From patchwork Sun Jul 17 09:15:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920465 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76DB4C43334 for ; Sun, 17 Jul 2022 09:18:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233322AbiGQJSI (ORCPT ); Sun, 17 Jul 2022 05:18:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232763AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9351B15FCD; Sun, 17 Jul 2022 02:16:31 -0700 (PDT) Received: from NTHCCAS01.nuvoton.com (NTHCCAS01.nuvoton.com [10.1.8.28]) by maillog.nuvoton.com (Postfix) with ESMTP id 1ADCB1C8118E; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCML01B.nuvoton.com (10.1.8.178) by NTHCCAS01.nuvoton.com (10.1.8.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Sun, 17 Jul 2022 17:16:27 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCML01B.nuvoton.com (10.1.8.178) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 8BAA463A4F; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 01/16] dt-bindings: timer: npcm: Add npcm845 compatible string Date: Sun, 17 Jul 2022 12:15:54 +0300 Message-ID: <20220717091609.122968-2-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add a compatible string for Nuvoton BMC NPCM845 timer. Signed-off-by: Tomer Maimon Acked-by: Krzysztof Kozlowski --- .../devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml index 0cbc26a72151..737af78ad70c 100644 --- a/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml +++ b/Documentation/devicetree/bindings/timer/nuvoton,npcm7xx-timer.yaml @@ -8,12 +8,14 @@ title: Nuvoton NPCM7xx timer maintainers: - Jonathan Neuschäfer + - Tomer Maimon properties: compatible: enum: - nuvoton,wpcm450-timer # for Hermon WPCM450 - nuvoton,npcm750-timer # for Poleg NPCM750 + - nuvoton,npcm845-timer # for Arbel NPCM845 reg: maxItems: 1 From patchwork Sun Jul 17 09:15:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920454 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B8D3CCA482 for ; Sun, 17 Jul 2022 09:16:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232487AbiGQJQb (ORCPT ); Sun, 17 Jul 2022 05:16:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229476AbiGQJQb (ORCPT ); Sun, 17 Jul 2022 05:16:31 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 0793915806; Sun, 17 Jul 2022 02:16:28 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id D30441C80504; Sun, 17 Jul 2022 17:16:26 +0800 (CST) Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:26 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:26 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 87FDA63A50; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 02/16] dt-bindings: watchdog: npcm: Add npcm845 compatible string Date: Sun, 17 Jul 2022 12:15:55 +0300 Message-ID: <20220717091609.122968-3-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add a compatible string for Nuvoton BMC NPCM845 watchdog. Signed-off-by: Tomer Maimon Acked-by: Krzysztof Kozlowski Acked-by: Guenter Roeck --- .../devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt index 9059f54dc023..866a958b8a2b 100644 --- a/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/nuvoton,npcm-wdt.txt @@ -6,7 +6,8 @@ expiry. Required properties: - compatible : "nuvoton,npcm750-wdt" for NPCM750 (Poleg), or - "nuvoton,wpcm450-wdt" for WPCM450 (Hermon). + "nuvoton,wpcm450-wdt" for WPCM450 (Hermon), or + "nuvoton,npcm845-wdt" for NPCM845 (Arbel). - reg : Offset and length of the register set for the device. - interrupts : Contain the timer interrupt with flags for falling edge. From patchwork Sun Jul 17 09:15:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920456 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4BB24CCA48B for ; Sun, 17 Jul 2022 09:16:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232775AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231229AbiGQJQb (ORCPT ); Sun, 17 Jul 2022 05:16:31 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2E31015FCD; Sun, 17 Jul 2022 02:16:29 -0700 (PDT) Received: from NTHCCAS01.nuvoton.com (NTHCCAS01.nuvoton.com [10.1.8.28]) by maillog.nuvoton.com (Postfix) with ESMTP id 1AA2F1C81177; Sun, 17 Jul 2022 17:16:27 +0800 (CST) Received: from NTHCML01A.nuvoton.com (10.1.8.177) by NTHCCAS01.nuvoton.com (10.1.8.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Sun, 17 Jul 2022 17:16:26 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCML01A.nuvoton.com (10.1.8.177) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:26 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:26 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 848C863A0A; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 03/16] dt-binding: clk: npcm845: Add binding for Nuvoton NPCM8XX Clock Date: Sun, 17 Jul 2022 12:15:56 +0300 Message-ID: <20220717091609.122968-4-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add binding for the Arbel BMC NPCM8XX Clock controller. Signed-off-by: Tomer Maimon Reviewed-by: Krzysztof Kozlowski Acked-by: Stephen Boyd --- .../bindings/clock/nuvoton,npcm845-clk.yaml | 49 +++++++++++++++++++ .../dt-bindings/clock/nuvoton,npcm845-clk.h | 49 +++++++++++++++++++ 2 files changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml create mode 100644 include/dt-bindings/clock/nuvoton,npcm845-clk.h diff --git a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml new file mode 100644 index 000000000000..771db2ddf026 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/nuvoton,npcm845-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NPCM8XX Clock Controller Binding + +maintainers: + - Tomer Maimon + +description: | + Nuvoton Arbel BMC NPCM8XX contains an integrated clock controller, which + generates and supplies clocks to all modules within the BMC. + +properties: + compatible: + enum: + - nuvoton,npcm845-clk + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + description: + See include/dt-bindings/clock/nuvoton,npcm8xx-clock.h for the full + list of NPCM8XX clock IDs. + +required: + - compatible + - reg + - '#clock-cells' + +additionalProperties: false + +examples: + - | + ahb { + #address-cells = <2>; + #size-cells = <2>; + + clock-controller@f0801000 { + compatible = "nuvoton,npcm845-clk"; + reg = <0x0 0xf0801000 0x0 0x1000>; + #clock-cells = <1>; + }; + }; +... diff --git a/include/dt-bindings/clock/nuvoton,npcm845-clk.h b/include/dt-bindings/clock/nuvoton,npcm845-clk.h new file mode 100644 index 000000000000..e5cce08b00e1 --- /dev/null +++ b/include/dt-bindings/clock/nuvoton,npcm845-clk.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (C) 2021 Nuvoton Technologies. + * Author: Tomer Maimon + * + * Device Tree binding constants for NPCM8XX clock controller. + */ + +#ifndef __DT_BINDINGS_CLOCK_NPCM8XX_H +#define __DT_BINDINGS_CLOCK_NPCM8XX_H + +#define NPCM8XX_CLK_CPU 0 +#define NPCM8XX_CLK_GFX_PIXEL 1 +#define NPCM8XX_CLK_MC 2 +#define NPCM8XX_CLK_ADC 3 +#define NPCM8XX_CLK_AHB 4 +#define NPCM8XX_CLK_TIMER 5 +#define NPCM8XX_CLK_UART 6 +#define NPCM8XX_CLK_UART2 7 +#define NPCM8XX_CLK_MMC 8 +#define NPCM8XX_CLK_SPI3 9 +#define NPCM8XX_CLK_PCI 10 +#define NPCM8XX_CLK_AXI 11 +#define NPCM8XX_CLK_APB4 12 +#define NPCM8XX_CLK_APB3 13 +#define NPCM8XX_CLK_APB2 14 +#define NPCM8XX_CLK_APB1 15 +#define NPCM8XX_CLK_APB5 16 +#define NPCM8XX_CLK_CLKOUT 17 +#define NPCM8XX_CLK_GFX 18 +#define NPCM8XX_CLK_SU 19 +#define NPCM8XX_CLK_SU48 20 +#define NPCM8XX_CLK_SDHC 21 +#define NPCM8XX_CLK_SPI0 22 +#define NPCM8XX_CLK_SPI1 23 +#define NPCM8XX_CLK_SPIX 24 +#define NPCM8XX_CLK_RG 25 +#define NPCM8XX_CLK_RCP 26 +#define NPCM8XX_CLK_PRE_ADC 27 +#define NPCM8XX_CLK_ATB 28 +#define NPCM8XX_CLK_PRE_CLK 29 +#define NPCM8XX_CLK_TH 30 +#define NPCM8XX_CLK_REFCLK 31 +#define NPCM8XX_CLK_SYSBYPCK 32 +#define NPCM8XX_CLK_MCBYPCK 33 + +#define NPCM8XX_NUM_CLOCKS (NPCM8XX_CLK_MCBYPCK + 1) + +#endif From patchwork Sun Jul 17 09:15:57 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920457 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BBF2CCA48D for ; Sun, 17 Jul 2022 09:16:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232902AbiGQJQe (ORCPT ); Sun, 17 Jul 2022 05:16:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35304 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232621AbiGQJQc (ORCPT ); Sun, 17 Jul 2022 05:16:32 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8BDDE15FD1; Sun, 17 Jul 2022 02:16:29 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id 496AE1C81178; Sun, 17 Jul 2022 17:16:27 +0800 (CST) Received: from NTHCCAS02.nuvoton.com (10.1.9.121) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS02.nuvoton.com (10.1.9.121) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:26 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:26 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 8A01D63A4D; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon Subject: [PATCH v9 04/16] clk: npcm8xx: add clock controller Date: Sun, 17 Jul 2022 12:15:57 +0300 Message-ID: <20220717091609.122968-5-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Nuvoton Arbel BMC NPCM8XX contains an integrated clock controller which generates and supplies clocks to all modules within the BMC. Signed-off-by: Tomer Maimon --- drivers/clk/Kconfig | 6 + drivers/clk/Makefile | 1 + drivers/clk/clk-npcm8xx.c | 610 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 617 insertions(+) create mode 100644 drivers/clk/clk-npcm8xx.c diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 48f8f4221e21..d2b58edbbe05 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -333,6 +333,12 @@ config COMMON_CLK_NXP help Support for clock providers on NXP platforms. +config COMMON_CLK_NPCM8XX + tristate "Clock driver for the NPCM8XX SoC Family" + depends on ARCH_NPCM || COMPILE_TEST + help + This driver supports the clocks on the Nuvoton BMC NPCM8XX SoC Family. + config COMMON_CLK_PALMAS tristate "Clock driver for TI Palmas devices" depends on MFD_PALMAS diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index d5db170d38d2..b0ec1184a744 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -49,6 +49,7 @@ obj-$(CONFIG_ARCH_MILBEAUT_M10V) += clk-milbeaut.o obj-$(CONFIG_ARCH_MOXART) += clk-moxart.o obj-$(CONFIG_ARCH_NOMADIK) += clk-nomadik.o obj-$(CONFIG_ARCH_NPCM7XX) += clk-npcm7xx.o +obj-$(CONFIG_COMMON_CLK_NPCM8XX) += clk-npcm8xx.o obj-$(CONFIG_ARCH_NSPIRE) += clk-nspire.o obj-$(CONFIG_COMMON_CLK_OXNAS) += clk-oxnas.o obj-$(CONFIG_COMMON_CLK_PALMAS) += clk-palmas.o diff --git a/drivers/clk/clk-npcm8xx.c b/drivers/clk/clk-npcm8xx.c new file mode 100644 index 000000000000..2533958d9918 --- /dev/null +++ b/drivers/clk/clk-npcm8xx.c @@ -0,0 +1,610 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Nuvoton NPCM8xx Clock Generator + * All the clocks are initialized by the bootloader, so this driver allow only + * reading of current settings directly from the hardware. + * + * Copyright (C) 2020 Nuvoton Technologies + * Author: Tomer Maimon + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define NPCM8XX_REF_CLK 25000000 + +struct npcm8xx_clk_pll { + struct clk_hw hw; + void __iomem *pllcon; + u8 flags; +}; + +#define to_npcm8xx_clk_pll(_hw) container_of(_hw, struct npcm8xx_clk_pll, hw) + +#define PLLCON_LOKI BIT(31) +#define PLLCON_LOKS BIT(30) +#define PLLCON_FBDV GENMASK(27, 16) +#define PLLCON_OTDV2 GENMASK(15, 13) +#define PLLCON_PWDEN BIT(12) +#define PLLCON_OTDV1 GENMASK(10, 8) +#define PLLCON_INDV GENMASK(5, 0) + +static unsigned long npcm8xx_clk_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct npcm8xx_clk_pll *pll = to_npcm8xx_clk_pll(hw); + unsigned long fbdv, indv, otdv1, otdv2; + unsigned int val; + u64 ret; + + if (parent_rate == 0) { + pr_debug("%s: parent rate is zero\n", __func__); + return 0; + } + + val = readl_relaxed(pll->pllcon); + + indv = FIELD_GET(PLLCON_INDV, val); + fbdv = FIELD_GET(PLLCON_FBDV, val); + otdv1 = FIELD_GET(PLLCON_OTDV1, val); + otdv2 = FIELD_GET(PLLCON_OTDV2, val); + + ret = (u64)parent_rate * fbdv; + do_div(ret, indv * otdv1 * otdv2); + + return ret; +} + +static const struct clk_ops npcm8xx_clk_pll_ops = { + .recalc_rate = npcm8xx_clk_pll_recalc_rate, +}; + +static struct clk_hw * +npcm8xx_clk_register_pll(struct device *dev, void __iomem *pllcon, + const char *name, const char *parent_name, + unsigned long flags) +{ + struct npcm8xx_clk_pll *pll; + struct clk_init_data init; + struct clk_hw *hw; + int ret; + + pll = devm_kzalloc(dev, sizeof(*pll), GFP_KERNEL); + if (!pll) + return ERR_PTR(-ENOMEM); + + pr_debug("%s reg, name=%s, p=%s\n", __func__, name, parent_name); + + init.name = name; + init.ops = &npcm8xx_clk_pll_ops; + init.parent_names = &parent_name; + init.num_parents = 1; + init.flags = flags; + + pll->pllcon = pllcon; + pll->hw.init = &init; + + hw = &pll->hw; + + ret = devm_clk_hw_register(dev, hw); + if (ret) + return ERR_PTR(ret); + + return hw; +} + +#define NPCM8XX_CLKEN1 (0x00) +#define NPCM8XX_CLKEN2 (0x28) +#define NPCM8XX_CLKEN3 (0x30) +#define NPCM8XX_CLKEN4 (0x70) +#define NPCM8XX_CLKSEL (0x04) +#define NPCM8XX_CLKDIV1 (0x08) +#define NPCM8XX_CLKDIV2 (0x2C) +#define NPCM8XX_CLKDIV3 (0x58) +#define NPCM8XX_CLKDIV4 (0x7C) +#define NPCM8XX_PLLCON0 (0x0C) +#define NPCM8XX_PLLCON1 (0x10) +#define NPCM8XX_PLLCON2 (0x54) +#define NPCM8XX_SWRSTR (0x14) +#define NPCM8XX_IRQWAKECON (0x18) +#define NPCM8XX_IRQWAKEFLAG (0x1C) +#define NPCM8XX_IPSRST1 (0x20) +#define NPCM8XX_IPSRST2 (0x24) +#define NPCM8XX_IPSRST3 (0x34) +#define NPCM8XX_WD0RCR (0x38) +#define NPCM8XX_WD1RCR (0x3C) +#define NPCM8XX_WD2RCR (0x40) +#define NPCM8XX_SWRSTC1 (0x44) +#define NPCM8XX_SWRSTC2 (0x48) +#define NPCM8XX_SWRSTC3 (0x4C) +#define NPCM8XX_SWRSTC4 (0x50) +#define NPCM8XX_CORSTC (0x5C) +#define NPCM8XX_PLLCONG (0x60) +#define NPCM8XX_AHBCKFI (0x64) +#define NPCM8XX_SECCNT (0x68) +#define NPCM8XX_CNTR25M (0x6C) +#define NPCM8XX_THRTL_CNT (0xC0) + +struct npcm8xx_clk_mux_data { + u8 shift; + u8 mask; + u32 *table; + const char *name; + const char * const *parent_names; + u8 num_parents; + unsigned long flags; + /* + * If this clock is exported via DT, set onecell_idx to constant + * defined in include/dt-bindings/clock/nuvoton, NPCM8XX-clock.h for + * this specific clock. Otherwise, set to -1. + */ + int onecell_idx; +}; + +struct npcm8xx_clk_div_data { + u32 reg; + u8 shift; + u8 width; + const char *name; + const char *parent_name; + u8 clk_divider_flags; + unsigned long flags; + /* + * If this clock is exported via DT, set onecell_idx to constant + * defined in include/dt-bindings/clock/nuvoton, NPCM8XX-clock.h for + * this specific clock. Otherwise, set to -1. + */ + int onecell_idx; +}; + +struct npcm8xx_clk_pll_data { + u32 reg; + const char *name; + const char *parent_name; + unsigned long flags; + /* + * If this clock is exported via DT, set onecell_idx to constant + * defined in include/dt-bindings/clock/nuvoton, NPCM8XX-clock.h for + * this specific clock. Otherwise, set to -1. + */ + int onecell_idx; +}; + +/* + * Single copy of strings used to refer to clocks within this driver indexed by + * above enum. + */ +#define NPCM8XX_CLK_S_REFCLK "refclk" +#define NPCM8XX_CLK_S_SYSBYPCK "sysbypck" +#define NPCM8XX_CLK_S_MCBYPCK "mcbypck" +#define NPCM8XX_CLK_S_PLL0 "pll0" +#define NPCM8XX_CLK_S_PLL1 "pll1" +#define NPCM8XX_CLK_S_PLL1_DIV2 "pll1_div2" +#define NPCM8XX_CLK_S_PLL2 "pll2" +#define NPCM8XX_CLK_S_PLL_GFX "pll_gfx" +#define NPCM8XX_CLK_S_PLL2_DIV2 "pll2_div2" +#define NPCM8XX_CLK_S_PIX_MUX "gfx_pixel" +#define NPCM8XX_CLK_S_MC_MUX "mc_phy" +#define NPCM8XX_CLK_S_CPU_MUX "cpu" /* AKA system clock */ +#define NPCM8XX_CLK_S_MC "mc" +#define NPCM8XX_CLK_S_AXI "axi" /* AKA CLK2 */ +#define NPCM8XX_CLK_S_AHB "ahb" /* AKA CLK4 */ +#define NPCM8XX_CLK_S_CLKOUT_MUX "clkout_mux" +#define NPCM8XX_CLK_S_UART_MUX "uart_mux" +#define NPCM8XX_CLK_S_SD_MUX "sd_mux" +#define NPCM8XX_CLK_S_GFXM_MUX "gfxm_mux" +#define NPCM8XX_CLK_S_SU_MUX "serial_usb_mux" +#define NPCM8XX_CLK_S_DVC_MUX "dvc_mux" +#define NPCM8XX_CLK_S_GFX_MUX "gfx_mux" +#define NPCM8XX_CLK_S_ADC_MUX "adc_mux" +#define NPCM8XX_CLK_S_SPI0 "spi0" +#define NPCM8XX_CLK_S_SPI1 "spi1" +#define NPCM8XX_CLK_S_SPI3 "spi3" +#define NPCM8XX_CLK_S_SPIX "spix" +#define NPCM8XX_CLK_S_APB1 "apb1" +#define NPCM8XX_CLK_S_APB2 "apb2" +#define NPCM8XX_CLK_S_APB3 "apb3" +#define NPCM8XX_CLK_S_APB4 "apb4" +#define NPCM8XX_CLK_S_APB5 "apb5" +#define NPCM8XX_CLK_S_APB19 "apb19" +#define NPCM8XX_CLK_S_TOCK "tock" +#define NPCM8XX_CLK_S_CLKOUT "clkout" +#define NPCM8XX_CLK_S_PRE_ADC "pre adc" +#define NPCM8XX_CLK_S_UART "uart" +#define NPCM8XX_CLK_S_UART2 "uart2" +#define NPCM8XX_CLK_S_TIMER "timer" +#define NPCM8XX_CLK_S_MMC "mmc" +#define NPCM8XX_CLK_S_SDHC "sdhc" +#define NPCM8XX_CLK_S_ADC "adc" +#define NPCM8XX_CLK_S_GFX "gfx0_gfx1_mem" +#define NPCM8XX_CLK_S_USBIF "serial_usbif" +#define NPCM8XX_CLK_S_USB_HOST "usb_host" +#define NPCM8XX_CLK_S_USB_BRIDGE "usb_bridge" +#define NPCM8XX_CLK_S_PCI "pci" +#define NPCM8XX_CLK_S_TH "th" +#define NPCM8XX_CLK_S_ATB "atb" +#define NPCM8XX_CLK_S_PRE_CLK "pre_clk" + +#define NPCM8XX_CLK_S_RG_MUX "rg_mux" +#define NPCM8XX_CLK_S_RCP_MUX "rcp_mux" +#define NPCM8XX_CLK_S_RG "rg" +#define NPCM8XX_CLK_S_RCP "rcp" + +static u32 pll_mux_table[] = {0, 1, 2, 3}; +static const char * const pll_mux_parents[] = { + NPCM8XX_CLK_S_PLL0, + NPCM8XX_CLK_S_PLL1, + NPCM8XX_CLK_S_REFCLK, + NPCM8XX_CLK_S_PLL2_DIV2, +}; + +static u32 cpuck_mux_table[] = {0, 1, 2, 3, 7}; +static const char * const cpuck_mux_parents[] = { + NPCM8XX_CLK_S_PLL0, + NPCM8XX_CLK_S_PLL1, + NPCM8XX_CLK_S_REFCLK, + NPCM8XX_CLK_S_SYSBYPCK, + NPCM8XX_CLK_S_PLL2, +}; + +static u32 pixcksel_mux_table[] = {0, 2}; +static const char * const pixcksel_mux_parents[] = { + NPCM8XX_CLK_S_PLL_GFX, + NPCM8XX_CLK_S_REFCLK, +}; + +static u32 sucksel_mux_table[] = {2, 3}; +static const char * const sucksel_mux_parents[] = { + NPCM8XX_CLK_S_REFCLK, + NPCM8XX_CLK_S_PLL2_DIV2, +}; + +static u32 mccksel_mux_table[] = {0, 2, 3}; +static const char * const mccksel_mux_parents[] = { + NPCM8XX_CLK_S_PLL1_DIV2, + NPCM8XX_CLK_S_REFCLK, + NPCM8XX_CLK_S_MCBYPCK, +}; + +static u32 clkoutsel_mux_table[] = {0, 1, 2, 3, 4}; +static const char * const clkoutsel_mux_parents[] = { + NPCM8XX_CLK_S_PLL0, + NPCM8XX_CLK_S_PLL1, + NPCM8XX_CLK_S_REFCLK, + NPCM8XX_CLK_S_PLL_GFX, // divided by 2 + NPCM8XX_CLK_S_PLL2_DIV2, +}; + +static u32 gfxmsel_mux_table[] = {2, 3}; +static const char * const gfxmsel_mux_parents[] = { + NPCM8XX_CLK_S_REFCLK, + NPCM8XX_CLK_S_PLL2_DIV2, +}; + +static u32 dvcssel_mux_table[] = {2, 3}; +static const char * const dvcssel_mux_parents[] = { + NPCM8XX_CLK_S_REFCLK, + NPCM8XX_CLK_S_PLL2, +}; + +static const struct npcm8xx_clk_pll_data npcm8xx_plls[] = { + { NPCM8XX_PLLCON0, NPCM8XX_CLK_S_PLL0, NPCM8XX_CLK_S_REFCLK, 0, -1 }, + { NPCM8XX_PLLCON1, NPCM8XX_CLK_S_PLL1, NPCM8XX_CLK_S_REFCLK, 0, -1 }, + { NPCM8XX_PLLCON2, NPCM8XX_CLK_S_PLL2, NPCM8XX_CLK_S_REFCLK, 0, -1 }, + { NPCM8XX_PLLCONG, NPCM8XX_CLK_S_PLL_GFX, NPCM8XX_CLK_S_REFCLK, 0, -1 }, +}; + +static const struct npcm8xx_clk_mux_data npcm8xx_muxes[] = { + { 0, GENMASK(1, 0), cpuck_mux_table, NPCM8XX_CLK_S_CPU_MUX, + cpuck_mux_parents, ARRAY_SIZE(cpuck_mux_parents), CLK_IS_CRITICAL, + NPCM8XX_CLK_CPU }, + + { 4, GENMASK(1, 0), pixcksel_mux_table, NPCM8XX_CLK_S_PIX_MUX, + pixcksel_mux_parents, ARRAY_SIZE(pixcksel_mux_parents), 0, + NPCM8XX_CLK_GFX_PIXEL }, + + { 6, GENMASK(1, 0), pll_mux_table, NPCM8XX_CLK_S_SD_MUX, + pll_mux_parents, ARRAY_SIZE(pll_mux_parents), 0, -1 }, + + { 8, GENMASK(1, 0), pll_mux_table, NPCM8XX_CLK_S_UART_MUX, + pll_mux_parents, ARRAY_SIZE(pll_mux_parents), 0, -1 }, + + { 10, GENMASK(1, 0), sucksel_mux_table, NPCM8XX_CLK_S_SU_MUX, + sucksel_mux_parents, ARRAY_SIZE(sucksel_mux_parents), 0, -1 }, + + { 12, GENMASK(1, 0), mccksel_mux_table, NPCM8XX_CLK_S_MC_MUX, + mccksel_mux_parents, ARRAY_SIZE(mccksel_mux_parents), 0, -1 }, + + { 14, GENMASK(1, 0), pll_mux_table, NPCM8XX_CLK_S_ADC_MUX, + pll_mux_parents, ARRAY_SIZE(pll_mux_parents), 0, -1 }, + + { 16, GENMASK(1, 0), pll_mux_table, NPCM8XX_CLK_S_GFX_MUX, + pll_mux_parents, ARRAY_SIZE(pll_mux_parents), 0, -1 }, + + { 18, GENMASK(2, 0), clkoutsel_mux_table, NPCM8XX_CLK_S_CLKOUT_MUX, + clkoutsel_mux_parents, ARRAY_SIZE(clkoutsel_mux_parents), 0, -1 }, + + { 21, GENMASK(1, 0), gfxmsel_mux_table, NPCM8XX_CLK_S_GFXM_MUX, + gfxmsel_mux_parents, ARRAY_SIZE(gfxmsel_mux_parents), 0, -1 }, + + { 23, GENMASK(1, 0), dvcssel_mux_table, NPCM8XX_CLK_S_DVC_MUX, + dvcssel_mux_parents, ARRAY_SIZE(dvcssel_mux_parents), 0, -1 }, + + { 25, GENMASK(1, 0), pll_mux_table, NPCM8XX_CLK_S_RG_MUX, + pll_mux_parents, ARRAY_SIZE(pll_mux_parents), 0, -1 }, + + { 27, GENMASK(1, 0), pll_mux_table, NPCM8XX_CLK_S_RCP_MUX, + pll_mux_parents, ARRAY_SIZE(pll_mux_parents), 0, -1 }, +}; + +/* configurable dividers: */ +static const struct npcm8xx_clk_div_data npcm8xx_divs[] = { + { NPCM8XX_CLKDIV1, 28, 3, NPCM8XX_CLK_S_ADC, NPCM8XX_CLK_S_PRE_ADC, + CLK_DIVIDER_READ_ONLY | CLK_DIVIDER_POWER_OF_TWO, 0, + NPCM8XX_CLK_ADC }, + /* bit 30-28 ADCCKDIV*/ + { NPCM8XX_CLKDIV1, 26, 2, NPCM8XX_CLK_S_AHB, NPCM8XX_CLK_S_PRE_CLK, + CLK_DIVIDER_READ_ONLY, CLK_IS_CRITICAL, NPCM8XX_CLK_AHB }, + /* bit 28-26 CLK4DIV*/ + { NPCM8XX_CLKDIV1, 21, 5, NPCM8XX_CLK_S_PRE_ADC, + NPCM8XX_CLK_S_ADC_MUX, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_PRE_ADC }, + /* bit 25-21 PRE-ADCCKDIV*/ + { NPCM8XX_CLKDIV1, 16, 5, NPCM8XX_CLK_S_UART, + NPCM8XX_CLK_S_UART_MUX, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_UART }, + /* bit 20-16 UARTDIV*/ + { NPCM8XX_CLKDIV1, 11, 5, NPCM8XX_CLK_S_MMC, + NPCM8XX_CLK_S_SD_MUX, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_MMC }, + /* bit 15-11 MMCCKDIV*/ + { NPCM8XX_CLKDIV1, 6, 5, NPCM8XX_CLK_S_SPI3, + NPCM8XX_CLK_S_AHB, 0, 0, NPCM8XX_CLK_SPI3 }, + /* bit 10-6 AHB3CKDIV*/ + { NPCM8XX_CLKDIV1, 2, 4, NPCM8XX_CLK_S_PCI, + NPCM8XX_CLK_S_GFX_MUX, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_PCI }, + /* bit 5-2 PCICKDIV*/ + + { NPCM8XX_CLKDIV2, 30, 2, NPCM8XX_CLK_S_APB4, NPCM8XX_CLK_S_AHB, + CLK_DIVIDER_READ_ONLY | CLK_DIVIDER_POWER_OF_TWO, 0, + NPCM8XX_CLK_APB4 }, + /* bit 31-30 APB4CKDIV*/ + { NPCM8XX_CLKDIV2, 28, 2, NPCM8XX_CLK_S_APB3, NPCM8XX_CLK_S_AHB, + CLK_DIVIDER_READ_ONLY | CLK_DIVIDER_POWER_OF_TWO, 0, + NPCM8XX_CLK_APB3 }, + /* bit 29-28 APB3CKDIV*/ + { NPCM8XX_CLKDIV2, 26, 2, NPCM8XX_CLK_S_APB2, NPCM8XX_CLK_S_AHB, + CLK_DIVIDER_READ_ONLY | CLK_DIVIDER_POWER_OF_TWO, 0, + NPCM8XX_CLK_APB2 }, + /* bit 28-26 APB2CKDIV*/ + { NPCM8XX_CLKDIV2, 24, 2, NPCM8XX_CLK_S_APB1, NPCM8XX_CLK_S_AHB, + CLK_DIVIDER_READ_ONLY | CLK_DIVIDER_POWER_OF_TWO, 0, + NPCM8XX_CLK_APB1 }, + /* bit 25-24 APB1CKDIV*/ + { NPCM8XX_CLKDIV2, 22, 2, NPCM8XX_CLK_S_APB5, NPCM8XX_CLK_S_AHB, + CLK_DIVIDER_READ_ONLY | CLK_DIVIDER_POWER_OF_TWO, 0, + NPCM8XX_CLK_APB5 }, + /* bit 23-22 APB5CKDIV*/ + { NPCM8XX_CLKDIV2, 16, 5, NPCM8XX_CLK_S_CLKOUT, NPCM8XX_CLK_S_CLKOUT_MUX, + CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_CLKOUT }, + /* bit 20-16 CLKOUTDIV*/ + { NPCM8XX_CLKDIV2, 13, 3, NPCM8XX_CLK_S_GFX, NPCM8XX_CLK_S_GFX_MUX, + CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_GFX }, + /* bit 15-13 GFXCKDIV*/ + { NPCM8XX_CLKDIV2, 8, 5, NPCM8XX_CLK_S_USB_BRIDGE, NPCM8XX_CLK_S_SU_MUX, + CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_SU }, + /* bit 12-8 SUCKDIV*/ + { NPCM8XX_CLKDIV2, 4, 4, NPCM8XX_CLK_S_USB_HOST, NPCM8XX_CLK_S_SU_MUX, + CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_SU48 }, + /* bit 8-4 SU48CKDIV*/ + { NPCM8XX_CLKDIV2, 0, 4, NPCM8XX_CLK_S_SDHC, + NPCM8XX_CLK_S_SD_MUX, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_SDHC } + ,/* bit 3-0 SD1CKDIV*/ + + { NPCM8XX_CLKDIV3, 16, 8, NPCM8XX_CLK_S_SPI1, + NPCM8XX_CLK_S_AHB, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_SPI1 }, + /* bit 23-16 SPI1CKDV*/ + { NPCM8XX_CLKDIV3, 11, 5, NPCM8XX_CLK_S_UART2, + NPCM8XX_CLK_S_UART_MUX, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_UART2 }, + /* bit 15-11 UARTDIV2*/ + { NPCM8XX_CLKDIV3, 6, 5, NPCM8XX_CLK_S_SPI0, + NPCM8XX_CLK_S_AHB, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_SPI0 }, + /* bit 10-6 SPI0CKDV*/ + { NPCM8XX_CLKDIV3, 1, 5, NPCM8XX_CLK_S_SPIX, + NPCM8XX_CLK_S_AHB, CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_SPIX }, + /* bit 5-1 SPIXCKDV*/ + + { NPCM8XX_CLKDIV4, 28, 4, NPCM8XX_CLK_S_RG, NPCM8XX_CLK_S_RG_MUX, + CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_RG }, + /* bit 31-28 RGREFDIV*/ + { NPCM8XX_CLKDIV4, 12, 4, NPCM8XX_CLK_S_RCP, NPCM8XX_CLK_S_RCP_MUX, + CLK_DIVIDER_READ_ONLY, 0, NPCM8XX_CLK_RCP }, + /* bit 15-12 RCPREFDIV*/ + { NPCM8XX_THRTL_CNT, 0, 2, NPCM8XX_CLK_S_TH, NPCM8XX_CLK_S_CPU_MUX, + CLK_DIVIDER_READ_ONLY | CLK_DIVIDER_POWER_OF_TWO, 0, NPCM8XX_CLK_TH }, + /* bit 1-0 TH_DIV*/ +}; + +static DEFINE_SPINLOCK(npcm8xx_clk_lock); + +static int npcm8xx_clk_probe(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *npcm8xx_clk_data; + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + void __iomem *clk_base; + struct resource res; + struct clk_hw *hw; + int i, err; + + npcm8xx_clk_data = devm_kzalloc(dev, struct_size(npcm8xx_clk_data, hws, + NPCM8XX_NUM_CLOCKS), + GFP_KERNEL); + if (!npcm8xx_clk_data) + return -ENOMEM; + + err = of_address_to_resource(np, 0, &res); + if (err) { + dev_err(dev, "Failed to get resource, ret %d\n", err); + return err; + } + + clk_base = ioremap(res.start, resource_size(&res)); + if (!clk_base) { + dev_err(&pdev->dev, "Failed to remap I/O memory\n"); + return -ENOMEM; + } + + npcm8xx_clk_data->num = NPCM8XX_NUM_CLOCKS; + + for (i = 0; i < NPCM8XX_NUM_CLOCKS; i++) + npcm8xx_clk_data->hws[i] = ERR_PTR(-EPROBE_DEFER); + + /* Reference 25MHz clock */ + hw = clk_hw_register_fixed_rate(dev, "refclk", NULL, 0, NPCM8XX_REF_CLK); + if (IS_ERR(hw)) + return PTR_ERR(hw); + npcm8xx_clk_data->hws[NPCM8XX_CLK_REFCLK] = hw; + + /* Register plls */ + for (i = 0; i < ARRAY_SIZE(npcm8xx_plls); i++) { + const struct npcm8xx_clk_pll_data *pll_data = &npcm8xx_plls[i]; + + hw = npcm8xx_clk_register_pll(dev, clk_base + pll_data->reg, + pll_data->name, + pll_data->parent_name, + pll_data->flags); + if (IS_ERR(hw)) { + dev_err(dev, "npcm8xx_clk: Can't register pll\n"); + goto unregister_refclk; + } + + if (pll_data->onecell_idx >= 0) + npcm8xx_clk_data->hws[pll_data->onecell_idx] = hw; + } + + /* Register fixed dividers */ + hw = devm_clk_hw_register_fixed_factor(dev, NPCM8XX_CLK_S_PLL1_DIV2, + NPCM8XX_CLK_S_PLL1, 0, 1, 2); + if (IS_ERR(hw)) { + dev_err(dev, "npcm8xx_clk: Can't register fixed div\n"); + goto unregister_refclk; + } + + hw = devm_clk_hw_register_fixed_factor(dev, NPCM8XX_CLK_S_PLL2_DIV2, + NPCM8XX_CLK_S_PLL2, 0, 1, 2); + if (IS_ERR(hw)) { + dev_err(dev, "npcm8xx_clk: Can't register pll div2\n"); + goto unregister_refclk; + } + + hw = devm_clk_hw_register_fixed_factor(dev, NPCM8XX_CLK_S_PRE_CLK, + NPCM8XX_CLK_S_CPU_MUX, 0, 1, 2); + if (IS_ERR(hw)) { + dev_err(dev, "npcm8xx_clk: Can't register ckclk div2\n"); + goto unregister_refclk; + } + + hw = devm_clk_hw_register_fixed_factor(dev, NPCM8XX_CLK_S_AXI, + NPCM8XX_CLK_S_TH, 0, 1, 2); + if (IS_ERR(hw)) { + dev_err(dev, "npcm8xx_clk: Can't register axi div2\n"); + goto unregister_refclk; + } + + hw = devm_clk_hw_register_fixed_factor(dev, NPCM8XX_CLK_S_ATB, + NPCM8XX_CLK_S_AXI, 0, 1, 2); + if (IS_ERR(hw)) { + dev_err(dev, "npcm8xx_clk: Can't register atb div2\n"); + goto unregister_refclk; + } + + /* Register clock dividers specified in npcm8xx_divs */ + for (i = 0; i < ARRAY_SIZE(npcm8xx_divs); i++) { + const struct npcm8xx_clk_div_data *div_data = &npcm8xx_divs[i]; + + hw = devm_clk_hw_register_divider(dev, div_data->name, + div_data->parent_name, + div_data->flags, + clk_base + div_data->reg, + div_data->shift, + div_data->width, + div_data->clk_divider_flags, + &npcm8xx_clk_lock); + if (IS_ERR(hw)) { + dev_err(dev, "npcm8xx_clk: Can't register div table\n"); + goto unregister_refclk; + } + + if (div_data->onecell_idx >= 0) + npcm8xx_clk_data->hws[div_data->onecell_idx] = hw; + } + + /* Register muxes */ + for (i = 0; i < ARRAY_SIZE(npcm8xx_muxes); i++) { + const struct npcm8xx_clk_mux_data *mux_data = &npcm8xx_muxes[i]; + + hw = clk_hw_register_mux_table(dev, mux_data->name, + mux_data->parent_names, + mux_data->num_parents, + mux_data->flags, + clk_base + NPCM8XX_CLKSEL, + mux_data->shift, + mux_data->mask, 0, + mux_data->table, + &npcm8xx_clk_lock); + + if (IS_ERR(hw)) { + dev_err(dev, "npcm8xx_clk: Can't register mux\n"); + goto err_mux_clk; + } + + if (mux_data->onecell_idx >= 0) + npcm8xx_clk_data->hws[mux_data->onecell_idx] = hw; + } + + err = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + npcm8xx_clk_data); + if (err) { + dev_err(dev, "unable to add clk provider\n"); + hw = ERR_PTR(err); + goto err_mux_clk; + } + + return err; + +err_mux_clk: + while (i--) { + if (npcm8xx_muxes[i].onecell_idx >= 0) + clk_hw_unregister_mux(npcm8xx_clk_data->hws[npcm8xx_muxes[i].onecell_idx]); + } +unregister_refclk: + clk_hw_unregister(npcm8xx_clk_data->hws[NPCM8XX_CLK_REFCLK]); + return PTR_ERR(hw); +} + +static const struct of_device_id npcm8xx_clk_dt_ids[] = { + { .compatible = "nuvoton,npcm845-clk", }, + { } +}; + +static struct platform_driver npcm8xx_clk_driver = { + .probe = npcm8xx_clk_probe, + .driver = { + .name = "npcm8xx_clk", + .of_match_table = npcm8xx_clk_dt_ids, + }, +}; + +static int __init npcm8xx_clk_driver_init(void) +{ + return platform_driver_register(&npcm8xx_clk_driver); +} +arch_initcall(npcm8xx_clk_driver_init); + From patchwork Sun Jul 17 09:15:58 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920453 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DB00C43334 for ; Sun, 17 Jul 2022 09:16:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232348AbiGQJQb (ORCPT ); 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Sun, 17 Jul 2022 17:16:26 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:26 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 8664C63A4E; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 05/16] dt-bindings: reset: npcm: add GCR syscon property Date: Sun, 17 Jul 2022 12:15:58 +0300 Message-ID: <20220717091609.122968-6-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Describe syscon property that handles general control registers (GCR) in Nuvoton BMC NPCM reset driver. Signed-off-by: Tomer Maimon Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/reset/nuvoton,npcm750-reset.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml b/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml index fa5e4ea6400e..43a6e77cbf4e 100644 --- a/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml +++ b/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml @@ -19,6 +19,10 @@ properties: '#reset-cells': const: 2 + nuvoton,sysgcr: + $ref: /schemas/types.yaml#/definitions/phandle + description: a phandle to access GCR registers. + nuvoton,sw-reset-number: $ref: /schemas/types.yaml#/definitions/uint32 minimum: 1 @@ -31,6 +35,7 @@ required: - compatible - reg - '#reset-cells' + - nuvoton,sysgcr additionalProperties: false @@ -41,6 +46,7 @@ examples: compatible = "nuvoton,npcm750-reset"; reg = <0xf0801000 0x70>; #reset-cells = <2>; + nuvoton,sysgcr = <&gcr>; nuvoton,sw-reset-number = <2>; }; From patchwork Sun Jul 17 09:15:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920467 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C0217CCA47B for ; Sun, 17 Jul 2022 09:18:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233329AbiGQJSJ (ORCPT ); Sun, 17 Jul 2022 05:18:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35362 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232822AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 934D815FC6; Sun, 17 Jul 2022 02:16:31 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id 13BE21C81188; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCCAS03.nuvoton.com (10.1.20.28) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS03.nuvoton.com (10.1.20.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1847.3; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 8D1C663A4C; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon Subject: [PATCH v9 06/16] ARM: dts: nuvoton: add reset syscon property Date: Sun, 17 Jul 2022 12:15:59 +0300 Message-ID: <20220717091609.122968-7-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add nuvoton,sysgcr syscon property to the reset node to handle the general control registers. Signed-off-by: Tomer Maimon --- arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi b/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi index 3696980a3da1..8a2f29016291 100644 --- a/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi +++ b/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi @@ -110,6 +110,7 @@ rstc: rstc@f0801000 { compatible = "nuvoton,npcm750-reset"; reg = <0xf0801000 0x70>; #reset-cells = <2>; + nuvoton,sysgcr = <&gcr>; }; clk: clock-controller@f0801000 { From patchwork Sun Jul 17 09:16:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920458 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DF9CCCA485 for ; Sun, 17 Jul 2022 09:16:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232960AbiGQJQf (ORCPT ); Sun, 17 Jul 2022 05:16:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35352 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232764AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 8B34B1581E; Sun, 17 Jul 2022 02:16:31 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id 085CD1C81186; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCML01A.nuvoton.com (10.1.8.177) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCML01A.nuvoton.com (10.1.8.177) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 95C0063A52; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon Subject: [PATCH v9 07/16] reset: npcm: using syscon instead of device data Date: Sun, 17 Jul 2022 12:16:00 +0300 Message-ID: <20220717091609.122968-8-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Using syscon device tree property instead of device data to handle the NPCM general control registers. In case the syscon not found the code still search for nuvoton,npcm750-gcr to support DTS backward compatibility. Signed-off-by: Tomer Maimon --- drivers/reset/reset-npcm.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/drivers/reset/reset-npcm.c b/drivers/reset/reset-npcm.c index 2ea4d3136e15..b08f8d8a1d63 100644 --- a/drivers/reset/reset-npcm.c +++ b/drivers/reset/reset-npcm.c @@ -138,8 +138,7 @@ static int npcm_reset_xlate(struct reset_controller_dev *rcdev, } static const struct of_device_id npcm_rc_match[] = { - { .compatible = "nuvoton,npcm750-reset", - .data = (void *)"nuvoton,npcm750-gcr" }, + { .compatible = "nuvoton,npcm750-reset" }, { } }; @@ -160,10 +159,15 @@ static int npcm_usb_reset(struct platform_device *pdev, struct npcm_rc_data *rc) gcr_dt = (const char *) of_match_device(dev->driver->of_match_table, dev)->data; - gcr_regmap = syscon_regmap_lookup_by_compatible(gcr_dt); + gcr_regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "nuvoton,sysgcr"); if (IS_ERR(gcr_regmap)) { - dev_err(&pdev->dev, "Failed to find %s\n", gcr_dt); - return PTR_ERR(gcr_regmap); + dev_warn(&pdev->dev, "Failed to find nuvoton,sysgcr property, please update the device tree\n"); + dev_info(&pdev->dev, "Using nuvoton,npcm750-gcr for Poleg backward compatibility\n"); + gcr_regmap = syscon_regmap_lookup_by_compatible("nuvoton,npcm750-gcr"); + if (IS_ERR(gcr_regmap)) { + dev_err(&pdev->dev, "Failed to find nuvoton,npcm750-gcr"); + return PTR_ERR(gcr_regmap); + } } /* checking which USB device is enabled */ From patchwork Sun Jul 17 09:16:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920459 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE5D6CCA494 for ; Sun, 17 Jul 2022 09:16:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232938AbiGQJQe (ORCPT ); Sun, 17 Jul 2022 05:16:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35324 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232592AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7713915806; Sun, 17 Jul 2022 02:16:31 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id E672C1C8117C; Sun, 17 Jul 2022 17:16:27 +0800 (CST) Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 9F02263A53; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 08/16] dt-bindings: reset: npcm: Add support for NPCM8XX Date: Sun, 17 Jul 2022 12:16:01 +0300 Message-ID: <20220717091609.122968-9-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add binding document and device tree binding constants for Nuvoton BMC NPCM8XX reset controller. Signed-off-by: Tomer Maimon Acked-by: Krzysztof Kozlowski Acked-by: Philipp Zabel --- .../devicetree/bindings/reset/nuvoton,npcm750-reset.yaml | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml b/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml index 43a6e77cbf4e..d82e65e37cc0 100644 --- a/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml +++ b/Documentation/devicetree/bindings/reset/nuvoton,npcm750-reset.yaml @@ -11,7 +11,9 @@ maintainers: properties: compatible: - const: nuvoton,npcm750-reset + enum: + - nuvoton,npcm750-reset # Poleg NPCM7XX SoC + - nuvoton,npcm845-reset # Arbel NPCM8XX SoC reg: maxItems: 1 From patchwork Sun Jul 17 09:16:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920469 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D51F0C43334 for ; Sun, 17 Jul 2022 09:18:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232939AbiGQJSK (ORCPT ); Sun, 17 Jul 2022 05:18:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35450 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232972AbiGQJQf (ORCPT ); Sun, 17 Jul 2022 05:16:35 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 68AA115FE8; Sun, 17 Jul 2022 02:16:33 -0700 (PDT) Received: from NTHCCAS01.nuvoton.com (NTHCCAS01.nuvoton.com [10.1.8.28]) by maillog.nuvoton.com (Postfix) with ESMTP id 44B6E1C811E8; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCCAS02.nuvoton.com (10.1.9.121) by NTHCCAS01.nuvoton.com (10.1.8.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Sun, 17 Jul 2022 17:16:28 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS02.nuvoton.com (10.1.9.121) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id A892463A54; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon Subject: [PATCH v9 09/16] reset: npcm: Add NPCM8XX support Date: Sun, 17 Jul 2022 12:16:02 +0300 Message-ID: <20220717091609.122968-10-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Updated the NPCM reset driver to add support for Nuvoton BMC NPCM8XX SoC. As part of adding NPCM8XX support: - Add NPCM8XX specific compatible string. - Add NPCM8XX USB reset. - Add data to handle architecture-specific reset parameters. - Some of the Reset Id and number of resets are different from NPCM7XX. Signed-off-by: Tomer Maimon Acked-by: Philipp Zabel --- drivers/reset/reset-npcm.c | 211 ++++++++++++++++++++++++++++++------- 1 file changed, 173 insertions(+), 38 deletions(-) diff --git a/drivers/reset/reset-npcm.c b/drivers/reset/reset-npcm.c index b08f8d8a1d63..24c55efa98e5 100644 --- a/drivers/reset/reset-npcm.c +++ b/drivers/reset/reset-npcm.c @@ -17,13 +17,20 @@ /* NPCM7xx GCR registers */ #define NPCM_MDLR_OFFSET 0x7C -#define NPCM_MDLR_USBD0 BIT(9) -#define NPCM_MDLR_USBD1 BIT(8) -#define NPCM_MDLR_USBD2_4 BIT(21) -#define NPCM_MDLR_USBD5_9 BIT(22) +#define NPCM7XX_MDLR_USBD0 BIT(9) +#define NPCM7XX_MDLR_USBD1 BIT(8) +#define NPCM7XX_MDLR_USBD2_4 BIT(21) +#define NPCM7XX_MDLR_USBD5_9 BIT(22) + +/* NPCM8xx MDLR bits */ +#define NPCM8XX_MDLR_USBD0_3 BIT(9) +#define NPCM8XX_MDLR_USBD4_7 BIT(22) +#define NPCM8XX_MDLR_USBD8 BIT(24) +#define NPCM8XX_MDLR_USBD9 BIT(21) #define NPCM_USB1PHYCTL_OFFSET 0x140 #define NPCM_USB2PHYCTL_OFFSET 0x144 +#define NPCM_USB3PHYCTL_OFFSET 0x148 #define NPCM_USBXPHYCTL_RS BIT(28) /* NPCM7xx Reset registers */ @@ -49,12 +56,38 @@ #define NPCM_IPSRST3_USBPHY1 BIT(24) #define NPCM_IPSRST3_USBPHY2 BIT(25) +#define NPCM_IPSRST4 0x74 +#define NPCM_IPSRST4_USBPHY3 BIT(25) +#define NPCM_IPSRST4_USB_HOST2 BIT(31) + #define NPCM_RC_RESETS_PER_REG 32 #define NPCM_MASK_RESETS GENMASK(4, 0) +enum { + BMC_NPCM7XX = 0, + BMC_NPCM8XX, +}; + +static const u32 npxm7xx_ipsrst[] = {NPCM_IPSRST1, NPCM_IPSRST2, NPCM_IPSRST3}; +static const u32 npxm8xx_ipsrst[] = {NPCM_IPSRST1, NPCM_IPSRST2, NPCM_IPSRST3, + NPCM_IPSRST4}; + +struct npcm_reset_info { + u32 bmc_id; + u32 num_ipsrst; + const u32 *ipsrst; +}; + +static const struct npcm_reset_info npxm7xx_reset_info[] = { + {.bmc_id = BMC_NPCM7XX, .num_ipsrst = 3, .ipsrst = npxm7xx_ipsrst}}; +static const struct npcm_reset_info npxm8xx_reset_info[] = { + {.bmc_id = BMC_NPCM8XX, .num_ipsrst = 4, .ipsrst = npxm8xx_ipsrst}}; + struct npcm_rc_data { struct reset_controller_dev rcdev; struct notifier_block restart_nb; + const struct npcm_reset_info *info; + struct regmap *gcr_regmap; u32 sw_reset_number; void __iomem *base; spinlock_t lock; @@ -120,14 +153,24 @@ static int npcm_rc_status(struct reset_controller_dev *rcdev, static int npcm_reset_xlate(struct reset_controller_dev *rcdev, const struct of_phandle_args *reset_spec) { + struct npcm_rc_data *rc = to_rc_data(rcdev); unsigned int offset, bit; + bool offset_found = false; + int off_num; offset = reset_spec->args[0]; - if (offset != NPCM_IPSRST1 && offset != NPCM_IPSRST2 && - offset != NPCM_IPSRST3) { + for (off_num = 0 ; off_num < rc->info->num_ipsrst ; off_num++) { + if (offset == rc->info->ipsrst[off_num]) { + offset_found = true; + break; + } + } + + if (!offset_found) { dev_err(rcdev->dev, "Error reset register (0x%x)\n", offset); return -EINVAL; } + bit = reset_spec->args[1]; if (bit >= NPCM_RC_RESETS_PER_REG) { dev_err(rcdev->dev, "Error reset number (%d)\n", bit); @@ -138,49 +181,29 @@ static int npcm_reset_xlate(struct reset_controller_dev *rcdev, } static const struct of_device_id npcm_rc_match[] = { - { .compatible = "nuvoton,npcm750-reset" }, + { .compatible = "nuvoton,npcm750-reset", .data = &npxm7xx_reset_info}, + { .compatible = "nuvoton,npcm845-reset", .data = &npxm8xx_reset_info}, { } }; -/* - * The following procedure should be observed in USB PHY, USB device and - * USB host initialization at BMC boot - */ -static int npcm_usb_reset(struct platform_device *pdev, struct npcm_rc_data *rc) +static void npcm_usb_reset_npcm7xx(struct npcm_rc_data *rc) { u32 mdlr, iprst1, iprst2, iprst3; - struct device *dev = &pdev->dev; - struct regmap *gcr_regmap; u32 ipsrst1_bits = 0; u32 ipsrst2_bits = NPCM_IPSRST2_USB_HOST; u32 ipsrst3_bits = 0; - const char *gcr_dt; - - gcr_dt = (const char *) - of_match_device(dev->driver->of_match_table, dev)->data; - - gcr_regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "nuvoton,sysgcr"); - if (IS_ERR(gcr_regmap)) { - dev_warn(&pdev->dev, "Failed to find nuvoton,sysgcr property, please update the device tree\n"); - dev_info(&pdev->dev, "Using nuvoton,npcm750-gcr for Poleg backward compatibility\n"); - gcr_regmap = syscon_regmap_lookup_by_compatible("nuvoton,npcm750-gcr"); - if (IS_ERR(gcr_regmap)) { - dev_err(&pdev->dev, "Failed to find nuvoton,npcm750-gcr"); - return PTR_ERR(gcr_regmap); - } - } /* checking which USB device is enabled */ - regmap_read(gcr_regmap, NPCM_MDLR_OFFSET, &mdlr); - if (!(mdlr & NPCM_MDLR_USBD0)) + regmap_read(rc->gcr_regmap, NPCM_MDLR_OFFSET, &mdlr); + if (!(mdlr & NPCM7XX_MDLR_USBD0)) ipsrst3_bits |= NPCM_IPSRST3_USBD0; - if (!(mdlr & NPCM_MDLR_USBD1)) + if (!(mdlr & NPCM7XX_MDLR_USBD1)) ipsrst1_bits |= NPCM_IPSRST1_USBD1; - if (!(mdlr & NPCM_MDLR_USBD2_4)) + if (!(mdlr & NPCM7XX_MDLR_USBD2_4)) ipsrst1_bits |= (NPCM_IPSRST1_USBD2 | NPCM_IPSRST1_USBD3 | NPCM_IPSRST1_USBD4); - if (!(mdlr & NPCM_MDLR_USBD0)) { + if (!(mdlr & NPCM7XX_MDLR_USBD0)) { ipsrst1_bits |= (NPCM_IPSRST1_USBD5 | NPCM_IPSRST1_USBD6); ipsrst3_bits |= (NPCM_IPSRST3_USBD7 | @@ -203,9 +226,9 @@ static int npcm_usb_reset(struct platform_device *pdev, struct npcm_rc_data *rc) writel(iprst3, rc->base + NPCM_IPSRST3); /* clear USB PHY RS bit */ - regmap_update_bits(gcr_regmap, NPCM_USB1PHYCTL_OFFSET, + regmap_update_bits(rc->gcr_regmap, NPCM_USB1PHYCTL_OFFSET, NPCM_USBXPHYCTL_RS, 0); - regmap_update_bits(gcr_regmap, NPCM_USB2PHYCTL_OFFSET, + regmap_update_bits(rc->gcr_regmap, NPCM_USB2PHYCTL_OFFSET, NPCM_USBXPHYCTL_RS, 0); /* deassert reset USB PHY */ @@ -215,9 +238,9 @@ static int npcm_usb_reset(struct platform_device *pdev, struct npcm_rc_data *rc) udelay(50); /* set USB PHY RS bit */ - regmap_update_bits(gcr_regmap, NPCM_USB1PHYCTL_OFFSET, + regmap_update_bits(rc->gcr_regmap, NPCM_USB1PHYCTL_OFFSET, NPCM_USBXPHYCTL_RS, NPCM_USBXPHYCTL_RS); - regmap_update_bits(gcr_regmap, NPCM_USB2PHYCTL_OFFSET, + regmap_update_bits(rc->gcr_regmap, NPCM_USB2PHYCTL_OFFSET, NPCM_USBXPHYCTL_RS, NPCM_USBXPHYCTL_RS); /* deassert reset USB devices*/ @@ -228,6 +251,118 @@ static int npcm_usb_reset(struct platform_device *pdev, struct npcm_rc_data *rc) writel(iprst1, rc->base + NPCM_IPSRST1); writel(iprst2, rc->base + NPCM_IPSRST2); writel(iprst3, rc->base + NPCM_IPSRST3); +} + +static void npcm_usb_reset_npcm8xx(struct npcm_rc_data *rc) +{ + u32 mdlr, iprst1, iprst2, iprst3, iprst4; + u32 ipsrst1_bits = 0; + u32 ipsrst2_bits = NPCM_IPSRST2_USB_HOST; + u32 ipsrst3_bits = 0; + u32 ipsrst4_bits = NPCM_IPSRST4_USB_HOST2 | NPCM_IPSRST4_USBPHY3; + + /* checking which USB device is enabled */ + regmap_read(rc->gcr_regmap, NPCM_MDLR_OFFSET, &mdlr); + if (!(mdlr & NPCM8XX_MDLR_USBD0_3)) { + ipsrst3_bits |= NPCM_IPSRST3_USBD0; + ipsrst1_bits |= (NPCM_IPSRST1_USBD1 | + NPCM_IPSRST1_USBD2 | + NPCM_IPSRST1_USBD3); + } + if (!(mdlr & NPCM8XX_MDLR_USBD4_7)) { + ipsrst1_bits |= (NPCM_IPSRST1_USBD4 | + NPCM_IPSRST1_USBD5 | + NPCM_IPSRST1_USBD6); + ipsrst3_bits |= NPCM_IPSRST3_USBD7; + } + + if (!(mdlr & NPCM8XX_MDLR_USBD8)) + ipsrst3_bits |= NPCM_IPSRST3_USBD8; + if (!(mdlr & NPCM8XX_MDLR_USBD9)) + ipsrst3_bits |= NPCM_IPSRST3_USBD9; + + /* assert reset USB PHY and USB devices */ + iprst1 = readl(rc->base + NPCM_IPSRST1); + iprst2 = readl(rc->base + NPCM_IPSRST2); + iprst3 = readl(rc->base + NPCM_IPSRST3); + iprst4 = readl(rc->base + NPCM_IPSRST4); + + iprst1 |= ipsrst1_bits; + iprst2 |= ipsrst2_bits; + iprst3 |= (ipsrst3_bits | NPCM_IPSRST3_USBPHY1 | + NPCM_IPSRST3_USBPHY2); + iprst2 |= ipsrst4_bits; + + writel(iprst1, rc->base + NPCM_IPSRST1); + writel(iprst2, rc->base + NPCM_IPSRST2); + writel(iprst3, rc->base + NPCM_IPSRST3); + writel(iprst4, rc->base + NPCM_IPSRST4); + + /* clear USB PHY RS bit */ + regmap_update_bits(rc->gcr_regmap, NPCM_USB1PHYCTL_OFFSET, + NPCM_USBXPHYCTL_RS, 0); + regmap_update_bits(rc->gcr_regmap, NPCM_USB2PHYCTL_OFFSET, + NPCM_USBXPHYCTL_RS, 0); + regmap_update_bits(rc->gcr_regmap, NPCM_USB3PHYCTL_OFFSET, + NPCM_USBXPHYCTL_RS, 0); + + /* deassert reset USB PHY */ + iprst3 &= ~(NPCM_IPSRST3_USBPHY1 | NPCM_IPSRST3_USBPHY2); + writel(iprst3, rc->base + NPCM_IPSRST3); + iprst4 &= ~NPCM_IPSRST4_USBPHY3; + writel(iprst4, rc->base + NPCM_IPSRST4); + + /* set USB PHY RS bit */ + regmap_update_bits(rc->gcr_regmap, NPCM_USB1PHYCTL_OFFSET, + NPCM_USBXPHYCTL_RS, NPCM_USBXPHYCTL_RS); + regmap_update_bits(rc->gcr_regmap, NPCM_USB2PHYCTL_OFFSET, + NPCM_USBXPHYCTL_RS, NPCM_USBXPHYCTL_RS); + regmap_update_bits(rc->gcr_regmap, NPCM_USB3PHYCTL_OFFSET, + NPCM_USBXPHYCTL_RS, NPCM_USBXPHYCTL_RS); + + /* deassert reset USB devices*/ + iprst1 &= ~ipsrst1_bits; + iprst2 &= ~ipsrst2_bits; + iprst3 &= ~ipsrst3_bits; + iprst4 &= ~ipsrst4_bits; + + writel(iprst1, rc->base + NPCM_IPSRST1); + writel(iprst2, rc->base + NPCM_IPSRST2); + writel(iprst3, rc->base + NPCM_IPSRST3); + writel(iprst4, rc->base + NPCM_IPSRST4); +} + +/* + * The following procedure should be observed in USB PHY, USB device and + * USB host initialization at BMC boot + */ +static int npcm_usb_reset(struct platform_device *pdev, struct npcm_rc_data *rc) +{ + struct device *dev = &pdev->dev; + + rc->gcr_regmap = syscon_regmap_lookup_by_phandle(dev->of_node, "nuvoton,sysgcr"); + if (IS_ERR(rc->gcr_regmap)) { + dev_warn(&pdev->dev, "Failed to find nuvoton,sysgcr property, please update the device tree\n"); + dev_info(&pdev->dev, "Using nuvoton,npcm750-gcr for Poleg backward compatibility\n"); + rc->gcr_regmap = syscon_regmap_lookup_by_compatible("nuvoton,npcm750-gcr"); + if (IS_ERR(rc->gcr_regmap)) { + dev_err(&pdev->dev, "Failed to find nuvoton,npcm750-gcr"); + return PTR_ERR(rc->gcr_regmap); + } + } + + rc->info = (const struct npcm_reset_info *) + of_match_device(dev->driver->of_match_table, dev)->data; + switch (rc->info->bmc_id) { + case BMC_NPCM7XX: + npcm_usb_reset_npcm7xx(rc); + break; + case BMC_NPCM8XX: + npcm_usb_reset_npcm8xx(rc); + break; + default: + return -ENODEV; + } return 0; } From patchwork Sun Jul 17 09:16:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920461 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2A625CCA483 for ; Sun, 17 Jul 2022 09:18:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233206AbiGQJSG (ORCPT ); Sun, 17 Jul 2022 05:18:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232809AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2D77615FE3; Sun, 17 Jul 2022 02:16:31 -0700 (PDT) Received: from NTHCCAS01.nuvoton.com (NTHCCAS01.nuvoton.com [10.1.8.28]) by maillog.nuvoton.com (Postfix) with ESMTP id 3B5FF1C811E5; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCML01B.nuvoton.com (10.1.8.178) by NTHCCAS01.nuvoton.com (10.1.8.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Sun, 17 Jul 2022 17:16:28 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCML01B.nuvoton.com (10.1.8.178) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id B506B63A55; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Rob Herring Subject: [PATCH v9 10/16] dt-bindings: arm: npcm: Add maintainer Date: Sun, 17 Jul 2022 12:16:03 +0300 Message-ID: <20220717091609.122968-11-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add Tomer Maimon to the maintainers list. Signed-off-by: Tomer Maimon Acked-by: Rob Herring --- Documentation/devicetree/bindings/arm/npcm/npcm.yaml | 1 + Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml | 1 + 2 files changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/npcm/npcm.yaml b/Documentation/devicetree/bindings/arm/npcm/npcm.yaml index 95e51378089c..ea9c3103761d 100644 --- a/Documentation/devicetree/bindings/arm/npcm/npcm.yaml +++ b/Documentation/devicetree/bindings/arm/npcm/npcm.yaml @@ -8,6 +8,7 @@ title: NPCM Platforms Device Tree Bindings maintainers: - Jonathan Neuschäfer + - Tomer Maimon properties: $nodename: diff --git a/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml index fcb211add7d3..aad7c85e787f 100644 --- a/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml +++ b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml @@ -8,6 +8,7 @@ title: Global Control Registers block in Nuvoton SoCs maintainers: - Jonathan Neuschäfer + - Tomer Maimon description: The Global Control Registers (GCR) are a block of registers in Nuvoton SoCs From patchwork Sun Jul 17 09:16:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920462 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0EC6C433EF for ; Sun, 17 Jul 2022 09:18:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233082AbiGQJSG (ORCPT ); Sun, 17 Jul 2022 05:18:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35366 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232823AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CD40715FD8; Sun, 17 Jul 2022 02:16:31 -0700 (PDT) Received: from NTHCCAS01.nuvoton.com (NTHCCAS01.nuvoton.com [10.1.8.28]) by maillog.nuvoton.com (Postfix) with ESMTP id 328161C81196; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCML01A.nuvoton.com (10.1.8.177) by NTHCCAS01.nuvoton.com (10.1.8.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Sun, 17 Jul 2022 17:16:28 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCML01A.nuvoton.com (10.1.8.177) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id BE56463A56; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 11/16] dt-bindings: arm: npcm: Add nuvoton,npcm845 compatible string Date: Sun, 17 Jul 2022 12:16:04 +0300 Message-ID: <20220717091609.122968-12-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add a compatible string for Nuvoton BMC NPCM845 SoC and a board specific device tree for the NPCM845 (Arbel) evaluation board. Signed-off-by: Tomer Maimon Reviewed-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/arm/npcm/npcm.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/npcm/npcm.yaml b/Documentation/devicetree/bindings/arm/npcm/npcm.yaml index ea9c3103761d..43409e5721d5 100644 --- a/Documentation/devicetree/bindings/arm/npcm/npcm.yaml +++ b/Documentation/devicetree/bindings/arm/npcm/npcm.yaml @@ -27,4 +27,10 @@ properties: - nuvoton,npcm750-evb # NPCM750 evaluation board - const: nuvoton,npcm750 + - description: NPCM845 based boards + items: + - enum: + - nuvoton,npcm845-evb # NPCM845 evaluation board + - const: nuvoton,npcm845 + additionalProperties: true From patchwork Sun Jul 17 09:16:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920460 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 635D3CCA47B for ; Sun, 17 Jul 2022 09:18:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233169AbiGQJSF (ORCPT ); Sun, 17 Jul 2022 05:18:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35378 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232835AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 7EE6715FE4; Sun, 17 Jul 2022 02:16:32 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id 403BA1C811E6; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCCAS03.nuvoton.com (10.1.20.28) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:28 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS03.nuvoton.com (10.1.20.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1847.3; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id CB82D63A57; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 12/16] dt-bindings: arm: npcm: Add nuvoton,npcm845 GCR compatible string Date: Sun, 17 Jul 2022 12:16:05 +0300 Message-ID: <20220717091609.122968-13-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add a compatible string for Nuvoton BMC NPCM845 global control registers. Signed-off-by: Tomer Maimon Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml index aad7c85e787f..94e72f25b331 100644 --- a/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml +++ b/Documentation/devicetree/bindings/arm/npcm/nuvoton,gcr.yaml @@ -21,6 +21,7 @@ properties: - enum: - nuvoton,wpcm450-gcr - nuvoton,npcm750-gcr + - nuvoton,npcm845-gcr - const: syscon - const: simple-mfd From patchwork Sun Jul 17 09:16:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920463 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C03BBC43334 for ; Sun, 17 Jul 2022 09:18:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233313AbiGQJSH (ORCPT ); Sun, 17 Jul 2022 05:18:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35376 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232832AbiGQJQd (ORCPT ); Sun, 17 Jul 2022 05:16:33 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D351A15FDC; Sun, 17 Jul 2022 02:16:31 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id 35FC91C811E3; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id D8E9F63A58; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon Subject: [PATCH v9 13/16] arm64: npcm: Add support for Nuvoton NPCM8XX BMC SoC Date: Sun, 17 Jul 2022 12:16:06 +0300 Message-ID: <20220717091609.122968-14-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org This adds support for the Nuvoton NPCM8XX Board Management controller (BMC) SoC family. The NPCM8XX based quad-core Cortex-A35 ARMv8 architecture. Signed-off-by: Tomer Maimon --- MAINTAINERS | 2 ++ arch/arm64/Kconfig.platforms | 11 +++++++++++ 2 files changed, 13 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index f52543aedd61..69cb86b913cf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2448,9 +2448,11 @@ F: Documentation/devicetree/bindings/*/*npcm* F: Documentation/devicetree/bindings/arm/npcm/* F: arch/arm/boot/dts/nuvoton-npcm* F: arch/arm/mach-npcm/ +F: arch/arm64/boot/dts/nuvoton/ F: drivers/*/*npcm* F: drivers/*/*/*npcm* F: include/dt-bindings/clock/nuvoton,npcm7xx-clock.h +F: include/dt-bindings/clock/nuvoton,npcm8xx-clock.h ARM/NUVOTON WPCM450 ARCHITECTURE M: Jonathan Neuschäfer diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms index 4e6d635a1731..c68d1b4f8975 100644 --- a/arch/arm64/Kconfig.platforms +++ b/arch/arm64/Kconfig.platforms @@ -202,6 +202,17 @@ config ARCH_MXC This enables support for the ARMv8 based SoCs in the NXP i.MX family. +config ARCH_NPCM + bool "Nuvoton NPCM Architecture" + select PINCTRL + select GPIOLIB + select NPCM7XX_TIMER + select RESET_CONTROLLER + select MFD_SYSCON + help + General support for NPCM8xx BMC (Arbel). + Nuvoton NPCM8xx BMC based on the Cortex A35. + config ARCH_QCOM bool "Qualcomm Platforms" select GPIOLIB From patchwork Sun Jul 17 09:16:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920466 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B1F3C433EF for ; Sun, 17 Jul 2022 09:18:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233317AbiGQJSI (ORCPT ); Sun, 17 Jul 2022 05:18:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232944AbiGQJQf (ORCPT ); Sun, 17 Jul 2022 05:16:35 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 68AF815FF1; Sun, 17 Jul 2022 02:16:33 -0700 (PDT) Received: from NTHCCAS01.nuvoton.com (NTHCCAS01.nuvoton.com [10.1.8.28]) by maillog.nuvoton.com (Postfix) with ESMTP id 627291C811E9; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCCAS02.nuvoton.com (10.1.9.121) by NTHCCAS01.nuvoton.com (10.1.8.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Sun, 17 Jul 2022 17:16:28 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCCAS02.nuvoton.com (10.1.9.121) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:27 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:27 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id E5E5863A59; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 14/16] arm64: dts: nuvoton: Add initial NPCM8XX device tree Date: Sun, 17 Jul 2022 12:16:07 +0300 Message-ID: <20220717091609.122968-15-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org This adds initial device tree support for the Nuvoton NPCM845 Board Management controller (BMC) SoC family. The NPCM845 based quad-core Cortex-A35 ARMv8 architecture and have various peripheral IPs. Signed-off-by: Tomer Maimon Reviewed-by: Krzysztof Kozlowski --- arch/arm64/boot/dts/Makefile | 1 + .../dts/nuvoton/nuvoton-common-npcm8xx.dtsi | 170 ++++++++++++++++++ .../boot/dts/nuvoton/nuvoton-npcm845.dtsi | 76 ++++++++ 3 files changed, 247 insertions(+) create mode 100644 arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi create mode 100644 arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 1ba04e31a438..7b107fa7414b 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -19,6 +19,7 @@ subdir-y += lg subdir-y += marvell subdir-y += mediatek subdir-y += microchip +subdir-y += nuvoton subdir-y += nvidia subdir-y += qcom subdir-y += realtek diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi b/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi new file mode 100644 index 000000000000..aa7aac8c3774 --- /dev/null +++ b/arch/arm64/boot/dts/nuvoton/nuvoton-common-npcm8xx.dtsi @@ -0,0 +1,170 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2021 Nuvoton Technology tomer.maimon@nuvoton.com + +#include +#include +#include + +/ { + #address-cells = <2>; + #size-cells = <2>; + interrupt-parent = <&gic>; + + soc { + #address-cells = <2>; + #size-cells = <2>; + compatible = "simple-bus"; + interrupt-parent = <&gic>; + ranges; + + gcr: system-controller@f0800000 { + compatible = "nuvoton,npcm845-gcr", "syscon"; + reg = <0x0 0xf0800000 0x0 0x1000>; + }; + + gic: interrupt-controller@dfff9000 { + compatible = "arm,gic-400"; + reg = <0x0 0xdfff9000 0x0 0x1000>, + <0x0 0xdfffa000 0x0 0x2000>, + <0x0 0xdfffc000 0x0 0x2000>, + <0x0 0xdfffe000 0x0 0x2000>; + interrupts = ; + #interrupt-cells = <3>; + interrupt-controller; + #address-cells = <0>; + ppi-partitions { + ppi_cluster0: interrupt-partition-0 { + affinity = <&cpu0 &cpu1 &cpu2 &cpu3>; + }; + }; + }; + }; + + ahb { + #address-cells = <2>; + #size-cells = <2>; + compatible = "simple-bus"; + interrupt-parent = <&gic>; + ranges; + + rstc: reset-controller@f0801000 { + compatible = "nuvoton,npcm845-reset"; + reg = <0x0 0xf0801000 0x0 0x78>; + #reset-cells = <2>; + nuvoton,sysgcr = <&gcr>; + }; + + clk: clock-controller@f0801000 { + compatible = "nuvoton,npcm845-clk"; + #clock-cells = <1>; + reg = <0x0 0xf0801000 0x0 0x1000>; + }; + + apb { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&gic>; + ranges = <0x0 0x0 0xf0000000 0x00300000>, + <0xfff00000 0x0 0xfff00000 0x00016000>; + + timer0: timer@8000 { + compatible = "nuvoton,npcm845-timer"; + interrupts = ; + reg = <0x8000 0x1C>; + clocks = <&clk NPCM8XX_CLK_REFCLK>; + clock-names = "refclk"; + }; + + serial0: serial@0 { + compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart"; + reg = <0x0 0x1000>; + clocks = <&clk NPCM8XX_CLK_UART>; + interrupts = ; + reg-shift = <2>; + status = "disabled"; + }; + + serial1: serial@1000 { + compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart"; + reg = <0x1000 0x1000>; + clocks = <&clk NPCM8XX_CLK_UART>; + interrupts = ; + reg-shift = <2>; + status = "disabled"; + }; + + serial2: serial@2000 { + compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart"; + reg = <0x2000 0x1000>; + clocks = <&clk NPCM8XX_CLK_UART>; + interrupts = ; + reg-shift = <2>; + status = "disabled"; + }; + + serial3: serial@3000 { + compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart"; + reg = <0x3000 0x1000>; + clocks = <&clk NPCM8XX_CLK_UART>; + interrupts = ; + reg-shift = <2>; + status = "disabled"; + }; + + serial4: serial@4000 { + compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart"; + reg = <0x4000 0x1000>; + clocks = <&clk NPCM8XX_CLK_UART>; + interrupts = ; + reg-shift = <2>; + status = "disabled"; + }; + + serial5: serial@5000 { + compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart"; + reg = <0x5000 0x1000>; + clocks = <&clk NPCM8XX_CLK_UART>; + interrupts = ; + reg-shift = <2>; + status = "disabled"; + }; + + serial6: serial@6000 { + compatible = "nuvoton,npcm845-uart", "nuvoton,npcm750-uart"; + reg = <0x6000 0x1000>; + clocks = <&clk NPCM8XX_CLK_UART>; + interrupts = ; + reg-shift = <2>; + status = "disabled"; + }; + + watchdog0: watchdog@801c { + compatible = "nuvoton,npcm845-wdt", "nuvoton,npcm750-wdt"; + interrupts = ; + reg = <0x801c 0x4>; + status = "disabled"; + clocks = <&clk NPCM8XX_CLK_REFCLK>; + syscon = <&gcr>; + }; + + watchdog1: watchdog@901c { + compatible = "nuvoton,npcm845-wdt", "nuvoton,npcm750-wdt"; + interrupts = ; + reg = <0x901c 0x4>; + status = "disabled"; + clocks = <&clk NPCM8XX_CLK_REFCLK>; + syscon = <&gcr>; + }; + + watchdog2: watchdog@a01c { + compatible = "nuvoton,npcm845-wdt", "nuvoton,npcm750-wdt"; + interrupts = ; + reg = <0xa01c 0x4>; + status = "disabled"; + clocks = <&clk NPCM8XX_CLK_REFCLK>; + syscon = <&gcr>; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi new file mode 100644 index 000000000000..12118b75c0e6 --- /dev/null +++ b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845.dtsi @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2021 Nuvoton Technology tomer.maimon@nuvoton.com + +#include "nuvoton-common-npcm8xx.dtsi" + +/ { + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <2>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a35"; + clocks = <&clk NPCM8XX_CLK_CPU>; + reg = <0x0 0x0>; + next-level-cache = <&l2>; + enable-method = "psci"; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a35"; + clocks = <&clk NPCM8XX_CLK_CPU>; + reg = <0x0 0x1>; + next-level-cache = <&l2>; + enable-method = "psci"; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a35"; + clocks = <&clk NPCM8XX_CLK_CPU>; + reg = <0x0 0x2>; + next-level-cache = <&l2>; + enable-method = "psci"; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a35"; + clocks = <&clk NPCM8XX_CLK_CPU>; + reg = <0x0 0x3>; + next-level-cache = <&l2>; + enable-method = "psci"; + }; + + l2: l2-cache { + compatible = "cache"; + }; + }; + + arm-pmu { + compatible = "arm,cortex-a35-pmu"; + interrupts = , + , + , + ; + interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; +}; From patchwork Sun Jul 17 09:16:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920468 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D890C433EF for ; Sun, 17 Jul 2022 09:18:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233243AbiGQJSJ (ORCPT ); Sun, 17 Jul 2022 05:18:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232939AbiGQJQf (ORCPT ); Sun, 17 Jul 2022 05:16:35 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CC4DD15FCD; Sun, 17 Jul 2022 02:16:33 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id D2A251C811EA; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCML01A.nuvoton.com (10.1.8.177) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:28 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCML01A.nuvoton.com (10.1.8.177) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:28 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:28 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id EFB2063A5A; Sun, 17 Jul 2022 12:16:25 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 15/16] arm64: dts: nuvoton: Add initial NPCM845 EVB device tree Date: Sun, 17 Jul 2022 12:16:08 +0300 Message-ID: <20220717091609.122968-16-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Add initial Nuvoton NPCM845 evaluation board device tree. Signed-off-by: Tomer Maimon Reviewed-by: Krzysztof Kozlowski --- arch/arm64/boot/dts/nuvoton/Makefile | 2 ++ .../boot/dts/nuvoton/nuvoton-npcm845-evb.dts | 30 +++++++++++++++++++ 2 files changed, 32 insertions(+) create mode 100644 arch/arm64/boot/dts/nuvoton/Makefile create mode 100644 arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts diff --git a/arch/arm64/boot/dts/nuvoton/Makefile b/arch/arm64/boot/dts/nuvoton/Makefile new file mode 100644 index 000000000000..a99dab90472a --- /dev/null +++ b/arch/arm64/boot/dts/nuvoton/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_NPCM) += nuvoton-npcm845-evb.dtb diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts new file mode 100644 index 000000000000..a5ab2bc0f835 --- /dev/null +++ b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2021 Nuvoton Technology tomer.maimon@nuvoton.com + +/dts-v1/; +#include "nuvoton-npcm845.dtsi" + +/ { + model = "Nuvoton npcm845 Development Board (Device Tree)"; + compatible = "nuvoton,npcm845-evb", "nuvoton,npcm845"; + + aliases { + serial0 = &serial0; + }; + + chosen { + stdout-path = &serial0; + }; + + memory { + reg = <0x0 0x0 0x0 0x40000000>; + }; +}; + +&serial0 { + status = "okay"; +}; + +&watchdog1 { + status = "okay"; +}; From patchwork Sun Jul 17 09:16:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 12920464 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D7F5CCA482 for ; Sun, 17 Jul 2022 09:18:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233212AbiGQJSH (ORCPT ); Sun, 17 Jul 2022 05:18:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35444 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232964AbiGQJQf (ORCPT ); Sun, 17 Jul 2022 05:16:35 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 30ABD15FFD; Sun, 17 Jul 2022 02:16:34 -0700 (PDT) Received: from NTHCCAS04.nuvoton.com (NTHCCAS04.nuvoton.com [10.1.8.29]) by maillog.nuvoton.com (Postfix) with ESMTP id D92231C811EC; Sun, 17 Jul 2022 17:16:28 +0800 (CST) Received: from NTHCML01B.nuvoton.com (10.1.8.178) by NTHCCAS04.nuvoton.com (10.1.8.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:28 +0800 Received: from NTHCCAS01.nuvoton.com (10.1.8.28) by NTHCML01B.nuvoton.com (10.1.8.178) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Sun, 17 Jul 2022 17:16:28 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS01.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Sun, 17 Jul 2022 17:16:28 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 07F0663A5B; Sun, 17 Jul 2022 12:16:26 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , Tomer Maimon , Krzysztof Kozlowski Subject: [PATCH v9 16/16] arm64: defconfig: Add Nuvoton NPCM family support Date: Sun, 17 Jul 2022 12:16:09 +0300 Message-ID: <20220717091609.122968-17-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220717091609.122968-1-tmaimon77@gmail.com> References: <20220717091609.122968-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org Enable basic drivers for NPCM8XX booting up support: Architecture, Clock, and WD. Signed-off-by: Tomer Maimon Reviewed-by: Krzysztof Kozlowski --- arch/arm64/configs/defconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 7d1105343bc2..c4a237a84efa 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -49,6 +49,7 @@ CONFIG_ARCH_MEDIATEK=y CONFIG_ARCH_MESON=y CONFIG_ARCH_MVEBU=y CONFIG_ARCH_MXC=y +CONFIG_ARCH_NPCM=y CONFIG_ARCH_QCOM=y CONFIG_ARCH_RENESAS=y CONFIG_ARCH_ROCKCHIP=y @@ -627,6 +628,7 @@ CONFIG_RENESAS_RZG2LWDT=y CONFIG_UNIPHIER_WATCHDOG=y CONFIG_PM8916_WATCHDOG=m CONFIG_BCM2835_WDT=y +CONFIG_NPCM7XX_WATCHDOG=y CONFIG_MFD_ALTERA_SYSMGR=y CONFIG_MFD_BD9571MWV=y CONFIG_MFD_AXP20X_I2C=y @@ -1021,6 +1023,7 @@ CONFIG_COMMON_CLK_FSL_SAI=y CONFIG_COMMON_CLK_S2MPS11=y CONFIG_COMMON_CLK_PWM=y CONFIG_COMMON_CLK_VC5=y +CONFIG_COMMON_CLK_NPCM8XX=y CONFIG_COMMON_CLK_BD718XX=m CONFIG_CLK_RASPBERRYPI=m CONFIG_CLK_IMX8MM=y