From patchwork Tue Jun 13 12:58:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13278772 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7027CEB64D9 for ; Tue, 13 Jun 2023 13:37:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=M3cdd4OsiY+WwbDjoxW4j7eIP+oDLS7xbho+Sm6IOiY=; b=R54bIJK6SeWIHF oc3PJcpH3a2w9RcI6tlZEO7xk1yprV9bopGVYgWIv7awVD+khMihSsExX7w5vE1jc3ZRkOiYFgagw GVeVsw46oJlH76Aj9guD3d9j8Yjz7mvYeZN6KXmNwTzynydbGy/KlC7OX2I6P9qlN2k8v2r8BuYRi tUF54cExDU68kcaHX2m5PDVcuGoeK7j/0VAxaYnKrrd5DzOtaafnyJekVKcpXOcby07WvSF27oir6 Ojfyy12Ci9KR7MmaRnVVKLjCPcH8a+yAeaUjpB+8P6o235AJiyIfQagFZeNWCLDC9lE1HJK44Gen/ E69A2Pcn8/ckRrUi8Nbw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q94Cy-008Cmf-2g; Tue, 13 Jun 2023 13:37:16 +0000 Received: from fd01.gateway.ufhost.com ([61.152.239.71]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q94Cv-008CdU-1M for linux-riscv@lists.infradead.org; Tue, 13 Jun 2023 13:37:15 +0000 Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id BB53A24DB83; Tue, 13 Jun 2023 21:36:11 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:55 +0800 Received: from localhost.localdomain (113.72.145.34) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:53 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Rob Herring" , Krzysztof Kozlowski , Philipp Zabel , Conor Dooley , Emil Renner Berthing CC: Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , "William Qiu" , , Subject: [PATCH v5 1/7] dt-bindings: clock: Add StarFive JH7110 PLL clock generator Date: Tue, 13 Jun 2023 20:58:46 +0800 Message-ID: <20230613125852.211636-2-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613125852.211636-1-xingyu.wu@starfivetech.com> References: <20230613125852.211636-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.145.34] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230613_063713_924226_B2BB2AA9 X-CRM114-Status: GOOD ( 13.04 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add bindings for the PLL clock generator on the JH7110 RISC-V SoC. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Xingyu Wu Reviewed-by: Conor Dooley --- .../bindings/clock/starfive,jh7110-pll.yaml | 46 +++++++++++++++++++ .../dt-bindings/clock/starfive,jh7110-crg.h | 6 +++ 2 files changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml new file mode 100644 index 000000000000..8aa8c7b8e42f --- /dev/null +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/starfive,jh7110-pll.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 PLL Clock Generator + +description: + This PLL are high speed, low jitter frequency synthesizers in JH7110. + Each PLL clocks work in integer mode or fraction mode by some dividers, + and the configuration registers and dividers are set in several syscon + registers. So pll node should be a child of SYS-SYSCON node. + The formula for calculating frequency is that, + Fvco = Fref * (NI + NF) / M / Q1 + +maintainers: + - Xingyu Wu + +properties: + compatible: + const: starfive,jh7110-pll + + clocks: + maxItems: 1 + description: Main Oscillator (24 MHz) + + '#clock-cells': + const: 1 + description: + See for valid indices. + +required: + - compatible + - clocks + - '#clock-cells' + +additionalProperties: false + +examples: + - | + pll-clock-controller { + compatible = "starfive,jh7110-pll"; + clocks = <&osc>; + #clock-cells = <1>; + }; diff --git a/include/dt-bindings/clock/starfive,jh7110-crg.h b/include/dt-bindings/clock/starfive,jh7110-crg.h index 06257bfd9ac1..086a6ddcf380 100644 --- a/include/dt-bindings/clock/starfive,jh7110-crg.h +++ b/include/dt-bindings/clock/starfive,jh7110-crg.h @@ -6,6 +6,12 @@ #ifndef __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ #define __DT_BINDINGS_CLOCK_STARFIVE_JH7110_CRG_H__ +/* PLL clocks */ +#define JH7110_CLK_PLL0_OUT 0 +#define JH7110_CLK_PLL1_OUT 1 +#define JH7110_CLK_PLL2_OUT 2 +#define JH7110_PLLCLK_END 3 + /* SYSCRG clocks */ #define JH7110_SYSCLK_CPU_ROOT 0 #define JH7110_SYSCLK_CPU_CORE 1 From patchwork Tue Jun 13 12:58:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13278769 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 99977EB64D8 for ; Tue, 13 Jun 2023 13:37:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=IJvVRNKcelUyfIav+YyHbMeDkuNW8lh/5KGWXZaE3qY=; b=jGPiZmymWMIMLT y/waXFGOmtn93jowImAZAi0DqabLa9Vq5okoDJtlMrl8FN7/PxXg8+2KBLvJ04qvINOet7cHstoRu h6NJ92o/2fFaiQDN9Nz59Sph6S3Bhe84EJVVPghTDTqvcCg98oiZwMBeUYw2kvna8OiW6PqiAW9mM bwIWPtMjSj+SmcLFQj/8G3XeByD5L5h51JF94W036UnJsODqCruhDmEz29xbtuoL9vaXOfIjxInlB Q8CG7c5auqeaDBqZOKLYUUplMeBx2g5EHakfmLp7EXaXLhY/H7f2aKIZc2QP7/Nkrh4spc57sYmcp rrdC9rI4uT6TzzKF9uCw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q94Co-008CjK-33; Tue, 13 Jun 2023 13:37:06 +0000 Received: from fd01.gateway.ufhost.com ([61.152.239.71]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q94Ci-008CdT-1F for linux-riscv@lists.infradead.org; Tue, 13 Jun 2023 13:37:05 +0000 Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id D58CB24DCF1; Tue, 13 Jun 2023 21:36:11 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:55 +0800 Received: from localhost.localdomain (113.72.145.34) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:54 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Rob Herring" , Krzysztof Kozlowski , Philipp Zabel , Conor Dooley , Emil Renner Berthing CC: Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , "William Qiu" , , Subject: [PATCH v5 2/7] dt-bindings: soc: starfive: Add StarFive syscon module Date: Tue, 13 Jun 2023 20:58:47 +0800 Message-ID: <20230613125852.211636-3-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613125852.211636-1-xingyu.wu@starfivetech.com> References: <20230613125852.211636-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.145.34] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230613_063700_889362_556F3331 X-CRM114-Status: GOOD ( 12.89 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: William Qiu Add documentation to describe StarFive System Controller Registers. Co-developed-by: Xingyu Wu Signed-off-by: Xingyu Wu Signed-off-by: William Qiu --- .../soc/starfive/starfive,jh7110-syscon.yaml | 62 +++++++++++++++++++ MAINTAINERS | 7 +++ 2 files changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml diff --git a/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml new file mode 100644 index 000000000000..a81190f8a54d --- /dev/null +++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 SoC system controller + +maintainers: + - William Qiu + +description: | + The StarFive JH7110 SoC system controller provides register information such + as offset, mask and shift to configure related modules such as MMC and PCIe. + +properties: + compatible: + oneOf: + - items: + - const: starfive,jh7110-sys-syscon + - const: syscon + - const: simple-mfd + - items: + - enum: + - starfive,jh7110-aon-syscon + - starfive,jh7110-stg-syscon + - const: syscon + + reg: + maxItems: 1 + + clock-controller: + $ref: /schemas/clock/starfive,jh7110-pll.yaml# + type: object + + "#power-domain-cells": + const: 1 + +required: + - compatible + - reg + +allOf: + - if: + properties: + compatible: + contains: + const: starfive,jh7110-aon-syscon + then: + required: + - "#power-domain-cells" + +additionalProperties: false + +examples: + - | + syscon@10240000 { + compatible = "starfive,jh7110-stg-syscon", "syscon"; + reg = <0x10240000 0x1000>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index f794002a192e..ae037ba7fc47 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20122,6 +20122,12 @@ S: Supported F: Documentation/devicetree/bindings/mmc/starfive* F: drivers/mmc/host/dw_mmc-starfive.c +STARFIVE JH7110 SYSCON +M: William Qiu +M: Xingyu Wu +S: Supported +F: Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml + STARFIVE JH71X0 CLOCK DRIVERS M: Emil Renner Berthing M: Hal Feng @@ -20159,6 +20165,7 @@ STARFIVE SOC DRIVERS M: Conor Dooley S: Maintained T: git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/ +F: Documentation/devicetree/bindings/soc/starfive/ F: drivers/soc/starfive/ STARFIVE TRNG DRIVER From patchwork Tue Jun 13 12:58:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13278778 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8DBDCEB64D7 for ; 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Tue, 13 Jun 2023 13:44:32 +0000 Received: from ex01.ufhost.com ([61.152.239.75]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q94Jw-008Dum-2Z for linux-riscv@lists.infradead.org; Tue, 13 Jun 2023 13:44:30 +0000 Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id ED47524E21E; Tue, 13 Jun 2023 21:43:56 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:56 +0800 Received: from localhost.localdomain (113.72.145.34) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:55 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Rob Herring" , Krzysztof Kozlowski , Philipp Zabel , Conor Dooley , Emil Renner Berthing CC: Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , "William Qiu" , , Subject: [PATCH v5 3/7] dt-bindings: clock: jh7110-syscrg: Add PLL clock inputs Date: Tue, 13 Jun 2023 20:58:48 +0800 Message-ID: <20230613125852.211636-4-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613125852.211636-1-xingyu.wu@starfivetech.com> References: <20230613125852.211636-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.145.34] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230613_064429_276795_68BDB1E5 X-CRM114-Status: UNSURE ( 7.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add optional PLL clock inputs from PLL clock generator. Signed-off-by: Xingyu Wu --- .../clock/starfive,jh7110-syscrg.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-syscrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-syscrg.yaml index 84373ae31644..5536e5f9e20b 100644 --- a/Documentation/devicetree/bindings/clock/starfive,jh7110-syscrg.yaml +++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-syscrg.yaml @@ -39,6 +39,33 @@ properties: - description: External TDM clock - description: External audio master clock + - items: + - description: Main Oscillator (24 MHz) + - description: GMAC1 RMII reference or GMAC1 RGMII RX + - description: External I2S TX bit clock + - description: External I2S TX left/right channel clock + - description: External I2S RX bit clock + - description: External I2S RX left/right channel clock + - description: External TDM clock + - description: External audio master clock + - description: PLL0 + - description: PLL1 + - description: PLL2 + + - items: + - description: Main Oscillator (24 MHz) + - description: GMAC1 RMII reference + - description: GMAC1 RGMII RX + - description: External I2S TX bit clock + - description: External I2S TX left/right channel clock + - description: External I2S RX bit clock + - description: External I2S RX left/right channel clock + - description: External TDM clock + - description: External audio master clock + - description: PLL0 + - description: PLL1 + - description: PLL2 + clock-names: oneOf: - items: @@ -64,6 +91,35 @@ properties: - const: tdm_ext - const: mclk_ext + - items: + - const: osc + - enum: + - gmac1_rmii_refin + - gmac1_rgmii_rxin + - const: i2stx_bclk_ext + - const: i2stx_lrck_ext + - const: i2srx_bclk_ext + - const: i2srx_lrck_ext + - const: tdm_ext + - const: mclk_ext + - const: pll0_out + - const: pll1_out + - const: pll2_out + + - items: + - const: osc + - const: gmac1_rmii_refin + - const: gmac1_rgmii_rxin + - const: i2stx_bclk_ext + - const: i2stx_lrck_ext + - const: i2srx_bclk_ext + - const: i2srx_lrck_ext + - const: tdm_ext + - const: mclk_ext + - const: pll0_out + - const: pll1_out + - const: pll2_out + '#clock-cells': const: 1 description: From patchwork Tue Jun 13 12:58:49 2023 Content-Type: text/plain; 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Tue, 13 Jun 2023 20:58:56 +0800 Received: from localhost.localdomain (113.72.145.34) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:55 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Rob Herring" , Krzysztof Kozlowski , Philipp Zabel , Conor Dooley , Emil Renner Berthing CC: Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , "William Qiu" , , Subject: [PATCH v5 4/7] clk: starfive: Add StarFive JH7110 PLL clock driver Date: Tue, 13 Jun 2023 20:58:49 +0800 Message-ID: <20230613125852.211636-5-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613125852.211636-1-xingyu.wu@starfivetech.com> References: <20230613125852.211636-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.145.34] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230613_063710_017931_C6537825 X-CRM114-Status: GOOD ( 25.54 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add driver for the StarFive JH7110 PLL clock controller and they work by reading and setting syscon registers. Co-developed-by: Emil Renner Berthing Signed-off-by: Emil Renner Berthing Signed-off-by: Xingyu Wu --- MAINTAINERS | 6 + drivers/clk/starfive/Kconfig | 8 + drivers/clk/starfive/Makefile | 1 + .../clk/starfive/clk-starfive-jh7110-pll.c | 507 ++++++++++++++++++ 4 files changed, 522 insertions(+) create mode 100644 drivers/clk/starfive/clk-starfive-jh7110-pll.c diff --git a/MAINTAINERS b/MAINTAINERS index ae037ba7fc47..e2ef606f5315 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20122,6 +20122,12 @@ S: Supported F: Documentation/devicetree/bindings/mmc/starfive* F: drivers/mmc/host/dw_mmc-starfive.c +STARFIVE JH7110 PLL CLOCK DRIVER +M: Xingyu Wu +S: Supported +F: Documentation/devicetree/bindings/clock/starfive,jh7110-pll.yaml +F: drivers/clk/starfive/clk-starfive-jh7110-pll.* + STARFIVE JH7110 SYSCON M: William Qiu M: Xingyu Wu diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig index 5d2333106f13..5195f7be5213 100644 --- a/drivers/clk/starfive/Kconfig +++ b/drivers/clk/starfive/Kconfig @@ -21,6 +21,14 @@ config CLK_STARFIVE_JH7100_AUDIO Say Y or M here to support the audio clocks on the StarFive JH7100 SoC. +config CLK_STARFIVE_JH7110_PLL + bool "StarFive JH7110 PLL clock support" + depends on ARCH_STARFIVE || COMPILE_TEST + default ARCH_STARFIVE + help + Say yes here to support the PLL clock controller on the + StarFive JH7110 SoC. + config CLK_STARFIVE_JH7110_SYS bool "StarFive JH7110 system clock support" depends on ARCH_STARFIVE || COMPILE_TEST diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile index f3df7d957b1e..b48e539e52b0 100644 --- a/drivers/clk/starfive/Makefile +++ b/drivers/clk/starfive/Makefile @@ -4,5 +4,6 @@ obj-$(CONFIG_CLK_STARFIVE_JH71X0) += clk-starfive-jh71x0.o obj-$(CONFIG_CLK_STARFIVE_JH7100) += clk-starfive-jh7100.o obj-$(CONFIG_CLK_STARFIVE_JH7100_AUDIO) += clk-starfive-jh7100-audio.o +obj-$(CONFIG_CLK_STARFIVE_JH7110_PLL) += clk-starfive-jh7110-pll.o obj-$(CONFIG_CLK_STARFIVE_JH7110_SYS) += clk-starfive-jh7110-sys.o obj-$(CONFIG_CLK_STARFIVE_JH7110_AON) += clk-starfive-jh7110-aon.o diff --git a/drivers/clk/starfive/clk-starfive-jh7110-pll.c b/drivers/clk/starfive/clk-starfive-jh7110-pll.c new file mode 100644 index 000000000000..b10c142d456d --- /dev/null +++ b/drivers/clk/starfive/clk-starfive-jh7110-pll.c @@ -0,0 +1,507 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * StarFive JH7110 PLL Clock Generator Driver + * + * Copyright (C) 2023 StarFive Technology Co., Ltd. + * Copyright (C) 2023 Emil Renner Berthing + * + * This driver is about to register JH7110 PLL clock generator and support ops. + * The JH7110 have three PLL clock, PLL0, PLL1 and PLL2. + * Each PLL clocks work in integer mode or fraction mode by some dividers, + * and the configuration registers and dividers are set in several syscon registers. + * The formula for calculating frequency is: + * Fvco = Fref * (NI + NF) / M / Q1 + * Fref: OSC source clock rate + * NI: integer frequency dividing ratio of feedback divider, set by fbdiv[11:0]. + * NF: fractional frequency dividing ratio, set by frac[23:0]. NF = frac[23:0] / 2^24 = 0 ~ 0.999. + * M: frequency dividing ratio of pre-divider, set by prediv[5:0]. + * Q1: frequency dividing ratio of post divider, set by 2^postdiv1[1:0], eg. 1, 2, 4 or 8. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +/* this driver expects a 24MHz input frequency from the oscillator */ +#define JH7110_PLL_OSC_RATE 24000000UL + +#define JH7110_PLL0_PD_OFFSET 0x18 +#define JH7110_PLL0_DACPD_SHIFT 24 +#define JH7110_PLL0_DACPD_MASK BIT(24) +#define JH7110_PLL0_DSMPD_SHIFT 25 +#define JH7110_PLL0_DSMPD_MASK BIT(25) +#define JH7110_PLL0_FBDIV_OFFSET 0x1c +#define JH7110_PLL0_FBDIV_SHIFT 0 +#define JH7110_PLL0_FBDIV_MASK GENMASK(11, 0) +#define JH7110_PLL0_FRAC_OFFSET 0x20 +#define JH7110_PLL0_PREDIV_OFFSET 0x24 + +#define JH7110_PLL1_PD_OFFSET 0x24 +#define JH7110_PLL1_DACPD_SHIFT 15 +#define JH7110_PLL1_DACPD_MASK BIT(15) +#define JH7110_PLL1_DSMPD_SHIFT 16 +#define JH7110_PLL1_DSMPD_MASK BIT(16) +#define JH7110_PLL1_FBDIV_OFFSET 0x24 +#define JH7110_PLL1_FBDIV_SHIFT 17 +#define JH7110_PLL1_FBDIV_MASK GENMASK(28, 17) +#define JH7110_PLL1_FRAC_OFFSET 0x28 +#define JH7110_PLL1_PREDIV_OFFSET 0x2c + +#define JH7110_PLL2_PD_OFFSET 0x2c +#define JH7110_PLL2_DACPD_SHIFT 15 +#define JH7110_PLL2_DACPD_MASK BIT(15) +#define JH7110_PLL2_DSMPD_SHIFT 16 +#define JH7110_PLL2_DSMPD_MASK BIT(16) +#define JH7110_PLL2_FBDIV_OFFSET 0x2c +#define JH7110_PLL2_FBDIV_SHIFT 17 +#define JH7110_PLL2_FBDIV_MASK GENMASK(28, 17) +#define JH7110_PLL2_FRAC_OFFSET 0x30 +#define JH7110_PLL2_PREDIV_OFFSET 0x34 + +#define JH7110_PLL_FRAC_SHIFT 0 +#define JH7110_PLL_FRAC_MASK GENMASK(23, 0) +#define JH7110_PLL_POSTDIV1_SHIFT 28 +#define JH7110_PLL_POSTDIV1_MASK GENMASK(29, 28) +#define JH7110_PLL_PREDIV_SHIFT 0 +#define JH7110_PLL_PREDIV_MASK GENMASK(5, 0) + +enum jh7110_pll_mode { + JH7110_PLL_MODE_FRACTION, + JH7110_PLL_MODE_INTEGER, +}; + +struct jh7110_pll_preset { + unsigned long freq; + u32 frac; /* frac value should be decimals multiplied by 2^24 */ + unsigned fbdiv : 12; /* fbdiv value should be 8 to 4095 */ + unsigned prediv : 6; + unsigned postdiv1 : 2; + unsigned mode : 1; +}; + +struct jh7110_pll_info { + char *name; + const struct jh7110_pll_preset *presets; + unsigned int npresets; + struct { + unsigned int pd; + unsigned int fbdiv; + unsigned int frac; + unsigned int prediv; + } offsets; + struct { + u32 dacpd; + u32 dsmpd; + u32 fbdiv; + } masks; + struct { + char dacpd; + char dsmpd; + char fbdiv; + } shifts; +}; + +#define _JH7110_PLL(_idx, _name, _presets) \ + [_idx] = { \ + .name = _name, \ + .presets = _presets, \ + .npresets = ARRAY_SIZE(_presets), \ + .offsets = { \ + .pd = JH7110_PLL##_idx##_PD_OFFSET, \ + .fbdiv = JH7110_PLL##_idx##_FBDIV_OFFSET, \ + .frac = JH7110_PLL##_idx##_FRAC_OFFSET, \ + .prediv = JH7110_PLL##_idx##_PREDIV_OFFSET, \ + }, \ + .masks = { \ + .dacpd = JH7110_PLL##_idx##_DACPD_MASK, \ + .dsmpd = JH7110_PLL##_idx##_DSMPD_MASK, \ + .fbdiv = JH7110_PLL##_idx##_FBDIV_MASK, \ + }, \ + .shifts = { \ + .dacpd = JH7110_PLL##_idx##_DACPD_SHIFT, \ + .dsmpd = JH7110_PLL##_idx##_DSMPD_SHIFT, \ + .fbdiv = JH7110_PLL##_idx##_FBDIV_SHIFT, \ + }, \ + } +#define JH7110_PLL(idx, name, presets) _JH7110_PLL(idx, name, presets) + +struct jh7110_pll_data { + struct clk_hw hw; + unsigned int idx; +}; + +struct jh7110_pll_priv { + struct device *dev; + struct regmap *regmap; + struct jh7110_pll_data pll[JH7110_PLLCLK_END]; +}; + +struct jh7110_pll_regvals { + u32 dacpd; + u32 dsmpd; + u32 fbdiv; + u32 frac; + u32 postdiv1; + u32 prediv; +}; + +/* + * Because the pll frequency is relatively fixed, + * it cannot be set arbitrarily, so it needs a specific configuration. + * PLL0 frequency should be multiple of 125MHz (USB frequency). + */ +static const struct jh7110_pll_preset jh7110_pll0_presets[] = { + { + .freq = 375000000, + .fbdiv = 125, + .prediv = 8, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 500000000, + .fbdiv = 125, + .prediv = 6, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 625000000, + .fbdiv = 625, + .prediv = 24, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 750000000, + .fbdiv = 125, + .prediv = 4, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 875000000, + .fbdiv = 875, + .prediv = 24, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1000000000, + .fbdiv = 125, + .prediv = 3, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1250000000, + .fbdiv = 625, + .prediv = 12, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1375000000, + .fbdiv = 1375, + .prediv = 24, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1500000000, + .fbdiv = 125, + .prediv = 2, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, +}; + +static const struct jh7110_pll_preset jh7110_pll1_presets[] = { + { + .freq = 1066000000, + .fbdiv = 533, + .prediv = 12, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1200000000, + .fbdiv = 50, + .prediv = 1, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1400000000, + .fbdiv = 350, + .prediv = 6, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1600000000, + .fbdiv = 200, + .prediv = 3, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, +}; + +static const struct jh7110_pll_preset jh7110_pll2_presets[] = { + { + .freq = 1188000000, + .fbdiv = 99, + .prediv = 2, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, { + .freq = 1228800000, + .fbdiv = 256, + .prediv = 5, + .postdiv1 = 0, + .mode = JH7110_PLL_MODE_INTEGER, + }, +}; + +static const struct jh7110_pll_info jh7110_plls[JH7110_PLLCLK_END] = { + JH7110_PLL(JH7110_CLK_PLL0_OUT, "pll0_out", jh7110_pll0_presets), + JH7110_PLL(JH7110_CLK_PLL1_OUT, "pll1_out", jh7110_pll1_presets), + JH7110_PLL(JH7110_CLK_PLL2_OUT, "pll2_out", jh7110_pll2_presets), +}; + +static struct jh7110_pll_data *jh7110_pll_data_from(struct clk_hw *hw) +{ + return container_of(hw, struct jh7110_pll_data, hw); +} + +static struct jh7110_pll_priv *jh7110_pll_priv_from(struct jh7110_pll_data *pll) +{ + return container_of(pll, struct jh7110_pll_priv, pll[pll->idx]); +} + +static void jh7110_pll_regvals_get(struct regmap *regmap, + const struct jh7110_pll_info *info, + struct jh7110_pll_regvals *ret) +{ + u32 val; + + regmap_read(regmap, info->offsets.pd, &val); + ret->dacpd = (val & info->masks.dacpd) >> info->shifts.dacpd; + ret->dsmpd = (val & info->masks.dsmpd) >> info->shifts.dsmpd; + + regmap_read(regmap, info->offsets.fbdiv, &val); + ret->fbdiv = (val & info->masks.fbdiv) >> info->shifts.fbdiv; + + regmap_read(regmap, info->offsets.frac, &val); + ret->frac = (val & JH7110_PLL_FRAC_MASK) >> JH7110_PLL_FRAC_SHIFT; + ret->postdiv1 = (val & JH7110_PLL_POSTDIV1_MASK) >> JH7110_PLL_POSTDIV1_SHIFT; + + regmap_read(regmap, info->offsets.prediv, &val); + ret->prediv = (val & JH7110_PLL_PREDIV_MASK) >> JH7110_PLL_PREDIV_SHIFT; +} + +static unsigned long jh7110_pll_recalc_rate(struct clk_hw *hw, unsigned long parent_rate) +{ + struct jh7110_pll_data *pll = jh7110_pll_data_from(hw); + struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll); + struct jh7110_pll_regvals val; + unsigned long rate; + + jh7110_pll_regvals_get(priv->regmap, &jh7110_plls[pll->idx], &val); + + /* + * dacpd = dsmpd = 0: fraction mode + * dacpd = dsmpd = 1: integer mode, frac value ignored + * + * rate = parent * (fbdiv + frac/2^24) / prediv / 2^postdiv1 + * = (parent * fbdiv + parent * frac / 2^24) / (prediv * 2^postdiv1) + */ + if (val.dacpd == 0 && val.dsmpd == 0) + rate = parent_rate * val.frac / (1UL << 24); + else if (val.dacpd == 1 && val.dsmpd == 1) + rate = 0; + else + return 0; + + rate += parent_rate * val.fbdiv; + rate /= val.prediv << val.postdiv1; + + return rate; +} + +static int jh7110_pll_determine_rate(struct clk_hw *hw, struct clk_rate_request *req) +{ + struct jh7110_pll_data *pll = jh7110_pll_data_from(hw); + const struct jh7110_pll_info *info = &jh7110_plls[pll->idx]; + const struct jh7110_pll_preset *selected = &info->presets[0]; + unsigned int idx; + + /* if the parent rate doesn't match our expectations the presets won't work */ + if (req->best_parent_rate != JH7110_PLL_OSC_RATE) { + req->rate = jh7110_pll_recalc_rate(hw, req->best_parent_rate); + return 0; + } + + /* find highest rate lower or equal to the requested rate */ + for (idx = 1; idx < info->npresets; idx++) { + const struct jh7110_pll_preset *val = &info->presets[idx]; + + if (req->rate < val->freq) + break; + + selected = val; + } + + req->rate = selected->freq; + return 0; +} + +static int jh7110_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct jh7110_pll_data *pll = jh7110_pll_data_from(hw); + struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll); + const struct jh7110_pll_info *info = &jh7110_plls[pll->idx]; + const struct jh7110_pll_preset *val; + unsigned int idx; + + /* if the parent rate doesn't match our expectations the presets won't work */ + if (parent_rate != JH7110_PLL_OSC_RATE) + return -EINVAL; + + for (idx = 0, val = &info->presets[0]; idx < info->npresets; idx++, val++) { + if (val->freq == rate) + goto found; + } + return -EINVAL; + +found: + if (val->mode == JH7110_PLL_MODE_FRACTION) + regmap_update_bits(priv->regmap, info->offsets.frac, JH7110_PLL_FRAC_MASK, + val->frac << JH7110_PLL_FRAC_SHIFT); + + regmap_update_bits(priv->regmap, info->offsets.pd, info->masks.dacpd, + (u32)val->mode << info->shifts.dacpd); + regmap_update_bits(priv->regmap, info->offsets.pd, info->masks.dsmpd, + (u32)val->mode << info->shifts.dsmpd); + regmap_update_bits(priv->regmap, info->offsets.prediv, JH7110_PLL_PREDIV_MASK, + (u32)val->prediv << JH7110_PLL_PREDIV_SHIFT); + regmap_update_bits(priv->regmap, info->offsets.fbdiv, info->masks.fbdiv, + val->fbdiv << info->shifts.fbdiv); + regmap_update_bits(priv->regmap, info->offsets.frac, JH7110_PLL_POSTDIV1_MASK, + (u32)val->postdiv1 << JH7110_PLL_POSTDIV1_SHIFT); + + return 0; +} + +#ifdef CONFIG_DEBUG_FS +static int jh7110_pll_registers_read(struct seq_file *s, void *unused) +{ + struct jh7110_pll_data *pll = s->private; + struct jh7110_pll_priv *priv = jh7110_pll_priv_from(pll); + struct jh7110_pll_regvals val; + + jh7110_pll_regvals_get(priv->regmap, &jh7110_plls[pll->idx], &val); + + seq_printf(s, "fbdiv=%u\n" + "frac=%u\n" + "prediv=%u\n" + "postdiv1=%u\n" + "dacpd=%u\n" + "dsmpd=%u\n", + val.fbdiv, val.frac, val.prediv, val.postdiv1, + val.dacpd, val.dsmpd); + + return 0; +} + +static int jh7110_pll_registers_open(struct inode *inode, struct file *f) +{ + return single_open(f, jh7110_pll_registers_read, inode->i_private); +} + +static const struct file_operations jh7110_pll_registers_ops = { + .owner = THIS_MODULE, + .open = jh7110_pll_registers_open, + .release = single_release, + .read = seq_read, + .llseek = seq_lseek +}; + +static void jh7110_pll_debug_init(struct clk_hw *hw, struct dentry *dentry) +{ + struct jh7110_pll_data *pll = jh7110_pll_data_from(hw); + + debugfs_create_file("registers", 0400, dentry, pll, + &jh7110_pll_registers_ops); +} +#else +#define jh7110_pll_debug_init NULL +#endif + +static const struct clk_ops jh7110_pll_ops = { + .recalc_rate = jh7110_pll_recalc_rate, + .determine_rate = jh7110_pll_determine_rate, + .set_rate = jh7110_pll_set_rate, + .debug_init = jh7110_pll_debug_init, +}; + +static struct clk_hw *jh7110_pll_get(struct of_phandle_args *clkspec, void *data) +{ + struct jh7110_pll_priv *priv = data; + unsigned int idx = clkspec->args[0]; + + if (idx < JH7110_PLLCLK_END) + return &priv->pll[idx].hw; + + return ERR_PTR(-EINVAL); +} + +static int jh7110_pll_probe(struct platform_device *pdev) +{ + struct jh7110_pll_priv *priv; + unsigned int idx; + int ret; + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->dev = &pdev->dev; + priv->regmap = syscon_node_to_regmap(priv->dev->of_node->parent); + if (IS_ERR(priv->regmap)) + return PTR_ERR(priv->regmap); + + for (idx = 0; idx < JH7110_PLLCLK_END; idx++) { + struct clk_parent_data parents = { + .index = 0, + }; + struct clk_init_data init = { + .name = jh7110_plls[idx].name, + .ops = &jh7110_pll_ops, + .parent_data = &parents, + .num_parents = 1, + .flags = 0, + }; + struct jh7110_pll_data *pll = &priv->pll[idx]; + + pll->hw.init = &init; + pll->idx = idx; + + ret = devm_clk_hw_register(&pdev->dev, &pll->hw); + if (ret) + return ret; + } + + return devm_of_clk_add_hw_provider(&pdev->dev, jh7110_pll_get, priv); +} + +static const struct of_device_id jh7110_pll_match[] = { + { .compatible = "starfive,jh7110-pll" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, jh7110_pll_match); + +static struct platform_driver jh7110_pll_driver = { + .driver = { + .name = "clk-starfive-jh7110-pll", + .of_match_table = jh7110_pll_match, + }, +}; +builtin_platform_driver_probe(jh7110_pll_driver, jh7110_pll_probe); From patchwork Tue Jun 13 12:58:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13278779 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CBA7BC3DA40 for ; 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Signed-off-by: Xingyu Wu --- drivers/clk/starfive/Kconfig | 1 + .../clk/starfive/clk-starfive-jh7110-sys.c | 45 +++++++++++-------- 2 files changed, 28 insertions(+), 18 deletions(-) diff --git a/drivers/clk/starfive/Kconfig b/drivers/clk/starfive/Kconfig index 5195f7be5213..978b78ec08b1 100644 --- a/drivers/clk/starfive/Kconfig +++ b/drivers/clk/starfive/Kconfig @@ -35,6 +35,7 @@ config CLK_STARFIVE_JH7110_SYS select AUXILIARY_BUS select CLK_STARFIVE_JH71X0 select RESET_STARFIVE_JH7110 if RESET_CONTROLLER + select CLK_STARFIVE_JH7110_PLL default ARCH_STARFIVE help Say yes here to support the system clock controller on the diff --git a/drivers/clk/starfive/clk-starfive-jh7110-sys.c b/drivers/clk/starfive/clk-starfive-jh7110-sys.c index e6031345ef05..d56f48013388 100644 --- a/drivers/clk/starfive/clk-starfive-jh7110-sys.c +++ b/drivers/clk/starfive/clk-starfive-jh7110-sys.c @@ -7,6 +7,7 @@ */ #include +#include #include #include #include @@ -386,6 +387,7 @@ EXPORT_SYMBOL_GPL(jh7110_reset_controller_register); static int __init jh7110_syscrg_probe(struct platform_device *pdev) { + bool use_fixed_pll = true; /* PLL clocks use fixed factor clocks or PLL driver */ struct jh71x0_clk_priv *priv; unsigned int idx; int ret; @@ -402,28 +404,29 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev) if (IS_ERR(priv->base)) return PTR_ERR(priv->base); - /* - * These PLL clocks are not actually fixed factor clocks and can be - * controlled by the syscon registers of JH7110. They will be dropped - * and registered in the PLL clock driver instead. - */ + if (!IS_ERR(devm_clk_get(priv->dev, "pll0_out"))) + use_fixed_pll = false; /* can get pll clocks from PLL driver */ + + /* Use fixed factor clocks if can not get the PLL clocks from DTS */ + if (use_fixed_pll) { /* 24MHz -> 1000.0MHz */ - priv->pll[0] = devm_clk_hw_register_fixed_factor(priv->dev, "pll0_out", - "osc", 0, 125, 3); - if (IS_ERR(priv->pll[0])) - return PTR_ERR(priv->pll[0]); + priv->pll[0] = devm_clk_hw_register_fixed_factor(priv->dev, "pll0_out", + "osc", 0, 125, 3); + if (IS_ERR(priv->pll[0])) + return PTR_ERR(priv->pll[0]); /* 24MHz -> 1066.0MHz */ - priv->pll[1] = devm_clk_hw_register_fixed_factor(priv->dev, "pll1_out", - "osc", 0, 533, 12); - if (IS_ERR(priv->pll[1])) - return PTR_ERR(priv->pll[1]); + priv->pll[1] = devm_clk_hw_register_fixed_factor(priv->dev, "pll1_out", + "osc", 0, 533, 12); + if (IS_ERR(priv->pll[1])) + return PTR_ERR(priv->pll[1]); /* 24MHz -> 1188.0MHz */ - priv->pll[2] = devm_clk_hw_register_fixed_factor(priv->dev, "pll2_out", - "osc", 0, 99, 2); - if (IS_ERR(priv->pll[2])) - return PTR_ERR(priv->pll[2]); + priv->pll[2] = devm_clk_hw_register_fixed_factor(priv->dev, "pll2_out", + "osc", 0, 99, 2); + if (IS_ERR(priv->pll[2])) + return PTR_ERR(priv->pll[2]); + } for (idx = 0; idx < JH7110_SYSCLK_END; idx++) { u32 max = jh7110_sysclk_data[idx].max; @@ -462,8 +465,14 @@ static int __init jh7110_syscrg_probe(struct platform_device *pdev) parents[i].fw_name = "tdm_ext"; else if (pidx == JH7110_SYSCLK_MCLK_EXT) parents[i].fw_name = "mclk_ext"; - else + else if (use_fixed_pll) parents[i].hw = priv->pll[pidx - JH7110_SYSCLK_PLL0_OUT]; + else if (pidx == JH7110_SYSCLK_PLL0_OUT) + parents[i].fw_name = "pll0_out"; + else if (pidx == JH7110_SYSCLK_PLL1_OUT) + parents[i].fw_name = "pll1_out"; + else if (pidx == JH7110_SYSCLK_PLL2_OUT) + parents[i].fw_name = "pll2_out"; } clk->hw.init = &init; From patchwork Tue Jun 13 12:58:51 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13278771 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DCEBCEB64D8 for ; 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Tue, 13 Jun 2023 13:37:16 +0000 Received: from fd01.gateway.ufhost.com ([61.152.239.71]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q94Ct-008CdV-10 for linux-riscv@lists.infradead.org; Tue, 13 Jun 2023 13:37:13 +0000 Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id ECF627FF9; Tue, 13 Jun 2023 21:36:11 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:58 +0800 Received: from localhost.localdomain (113.72.145.34) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:57 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Rob Herring" , Krzysztof Kozlowski , Philipp Zabel , Conor Dooley , Emil Renner Berthing CC: Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , "William Qiu" , , Subject: [PATCH v5 6/7] riscv: dts: starfive: jh7110: Add syscon nodes Date: Tue, 13 Jun 2023 20:58:51 +0800 Message-ID: <20230613125852.211636-7-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613125852.211636-1-xingyu.wu@starfivetech.com> References: <20230613125852.211636-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.145.34] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230613_063711_641961_663AF4F9 X-CRM114-Status: UNSURE ( 9.40 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: William Qiu Add stg_syscon/sys_syscon/aon_syscon/PLL nodes for JH7110 Soc. Co-developed-by: Xingyu Wu Signed-off-by: Xingyu Wu Signed-off-by: William Qiu Reviewed-by: Conor Dooley --- arch/riscv/boot/dts/starfive/jh7110.dtsi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi index 4c5fdb905da8..11dd4c9d64b0 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -353,6 +353,11 @@ i2c2: i2c@10050000 { status = "disabled"; }; + stg_syscon: syscon@10240000 { + compatible = "starfive,jh7110-stg-syscon", "syscon"; + reg = <0x0 0x10240000 0x0 0x1000>; + }; + uart3: serial@12000000 { compatible = "snps,dw-apb-uart"; reg = <0x0 0x12000000 0x0 0x10000>; @@ -457,6 +462,17 @@ syscrg: clock-controller@13020000 { #reset-cells = <1>; }; + sys_syscon: syscon@13030000 { + compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd"; + reg = <0x0 0x13030000 0x0 0x1000>; + + pllclk: clock-controller { + compatible = "starfive,jh7110-pll"; + clocks = <&osc>; + #clock-cells = <1>; + }; + }; + sysgpio: pinctrl@13040000 { compatible = "starfive,jh7110-sys-pinctrl"; reg = <0x0 0x13040000 0x0 0x10000>; @@ -486,6 +502,12 @@ aoncrg: clock-controller@17000000 { #reset-cells = <1>; }; + aon_syscon: syscon@17010000 { + compatible = "starfive,jh7110-aon-syscon", "syscon"; + reg = <0x0 0x17010000 0x0 0x1000>; + #power-domain-cells = <1>; + }; + aongpio: pinctrl@17020000 { compatible = "starfive,jh7110-aon-pinctrl"; reg = <0x0 0x17020000 0x0 0x10000>; From patchwork Tue Jun 13 12:58:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xingyu Wu X-Patchwork-Id: 13279041 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D46AFEB64D0 for ; Tue, 13 Jun 2023 16:30:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=IpkK5Qu+UNaebJVXsHaVJEAV/MrWDDcjo9MOZPIbWYs=; b=3r/yt5Pc70HoJI BgO0a7cR3fpBOZbJMdPsDVwUcXY4UsJ1PiEUPI2j5MqJcoQvZpr4G+HQY/XP3N+fNBjz3S+9VNNON UZnhWDbwfrVszJfo5wY3rzUvPWwnOnGnqioJ6iyzdAH2CKThheZSR/nvn7fi1ualKjFH12dxPuAGy RgyBFDZwBjlNS+7C9vb2pDpCHjjQTZl5bRp4LS63AYeO9T0VL9SPjEhmKQ58JB013oWqZVAX1mLpi 9UXKZh7HORbg6TLY/XaAMUbF4GadgVZMla6sTv+n3ZFLJqrIcfLwXQn1KWTbxk10q5+mz9E841UFf 7kDRL0Y90/yl3epupI9w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q96uC-008bFV-1F; Tue, 13 Jun 2023 16:30:04 +0000 Received: from fd01.gateway.ufhost.com ([61.152.239.71]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q96u6-008bC2-2q for linux-riscv@lists.infradead.org; Tue, 13 Jun 2023 16:30:02 +0000 Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 81C507FEF; Wed, 14 Jun 2023 00:29:22 +0800 (CST) Received: from EXMBX061.cuchost.com (172.16.6.61) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:59 +0800 Received: from localhost.localdomain (113.72.145.34) by EXMBX061.cuchost.com (172.16.6.61) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 13 Jun 2023 20:58:58 +0800 From: Xingyu Wu To: , , "Michael Turquette" , Stephen Boyd , "Rob Herring" , Krzysztof Kozlowski , Philipp Zabel , Conor Dooley , Emil Renner Berthing CC: Paul Walmsley , Palmer Dabbelt , Albert Ou , Hal Feng , Xingyu Wu , "William Qiu" , , Subject: [PATCH v5 7/7] riscv: dts: starfive: jh7110: Add PLL clock source in SYSCRG node Date: Tue, 13 Jun 2023 20:58:52 +0800 Message-ID: <20230613125852.211636-8-xingyu.wu@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230613125852.211636-1-xingyu.wu@starfivetech.com> References: <20230613125852.211636-1-xingyu.wu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.145.34] X-ClientProxiedBy: EXCAS062.cuchost.com (172.16.6.22) To EXMBX061.cuchost.com (172.16.6.61) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230613_092959_130680_E96243FE X-CRM114-Status: UNSURE ( 9.21 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Modify the SYSCRG node to add PLL clocks input from PLL clocks driver. Signed-off-by: Xingyu Wu Reviewed-by: Conor Dooley --- arch/riscv/boot/dts/starfive/jh7110.dtsi | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi index 11dd4c9d64b0..cdfd036a0e6c 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -452,12 +452,16 @@ syscrg: clock-controller@13020000 { <&gmac1_rgmii_rxin>, <&i2stx_bclk_ext>, <&i2stx_lrck_ext>, <&i2srx_bclk_ext>, <&i2srx_lrck_ext>, - <&tdm_ext>, <&mclk_ext>; + <&tdm_ext>, <&mclk_ext>, + <&pllclk JH7110_CLK_PLL0_OUT>, + <&pllclk JH7110_CLK_PLL1_OUT>, + <&pllclk JH7110_CLK_PLL2_OUT>; clock-names = "osc", "gmac1_rmii_refin", "gmac1_rgmii_rxin", "i2stx_bclk_ext", "i2stx_lrck_ext", "i2srx_bclk_ext", "i2srx_lrck_ext", - "tdm_ext", "mclk_ext"; + "tdm_ext", "mclk_ext", + "pll0_out", "pll1_out", "pll2_out"; #clock-cells = <1>; #reset-cells = <1>; };