From patchwork Wed Jun 9 14:04:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12310327 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2593FC48BCF for ; Wed, 9 Jun 2021 14:44:40 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id E7EC96139A for ; Wed, 9 Jun 2021 14:44:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7EC96139A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org 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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=0tXVbgB3F7vmuLRJebuwKkpNqhazY0mF0o+YSCF/1Uk=; b=Dr12GPikjvmDM2 YJta8qsiBOmfGQkIM5t3BDBTW+8ntnz99mVJLrSDvocFJOw5i5tksfT+8iS/Q71paiZdizpuyMU7z b2h5gVknoi2OJmFInS8skmH8MvIXrIQeL1+zwNkHhISMY01WKGp7RDyrA8tbxDMtM7kl8I1YZNCyQ Va5P/Tu7qOKH9S8imP2i9fEEQsQW6hhg9m7tOKqm0Jcjn0UywqVaTVbd3nFmZ6vbyfhvGXb67x5B6 A5bEAhH5AZ9hTVTm3BI4FYNgeOjcC0/IiYy9LI5gJIQrOT04WJba8aYAU8veFGT9oF3GuYtl/vCKc Mp+rFP9jsDvhy75hM+Lw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqzRb-00ENho-JA; Wed, 09 Jun 2021 14:44:35 +0000 Received: from lucky1.263xmail.com ([211.157.147.132]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqyof-00EBm2-98; Wed, 09 Jun 2021 14:04:23 +0000 Received: from localhost (unknown [192.168.167.235]) by lucky1.263xmail.com (Postfix) with ESMTP id E8599F48A2; Wed, 9 Jun 2021 22:04:16 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P31748T140095042557696S1623247454096580_; Wed, 09 Jun 2021 22:04:17 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Chris Morgan Subject: [PATCH v7 1/9] dt-bindings: rockchip-sfc: Bindings for Rockchip serial flash controller Date: Wed, 9 Jun 2021 22:04:04 +0800 Message-Id: <20210609140412.16058-2-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609140412.16058-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_070421_990933_643607F9 X-CRM114-Status: GOOD ( 30.54 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Chris Morgan Add bindings for the Rockchip serial flash controller. New device specific parameter of rockchip,sfc-no-dma included in documentation. Signed-off-by: Chris Morgan Signed-off-by: Jon Lin --- Changes in v7: - Fix up the sclk_sfc parent error in rk3036 - Unify to "rockchip,sfc" compatible id because all the feature update will have a new IP version, so the driver is used for the SFC IP in all SoCs - Change to use node "sfc" to name the SFC pinctrl group - Add subnode reg property check - Add rockchip_sfc_adjust_op_size to workaround in CMD + DUMMY case - Limit max_iosize to 32KB Changes in v6: - Add support in device trees for rv1126(Declared in series 5 but not submitted) - Change to use "clk_sfc" "hclk_sfc" as clock lable, since it does not affect interpretation and has been widely used - Support sfc tx_dual, tx_quad(Declared in series 5 but not submitted) - Simplify the code, such as remove "rockchip_sfc_register_all"(Declared in series 5 but not submitted) - Support SFC ver4 ver5(Declared in series 5 but not submitted) - Add author Chris Morgan and Jon Lin to spi-rockchip-sfc.c - Change to use devm_spi_alloc_master and spi_unregister_master Changes in v5: - Add support in device trees for rv1126 - Support sfc tx_dual, tx_quad - Simplify the code, such as remove "rockchip_sfc_register_all" - Support SFC ver4 ver5 Changes in v4: - Changing patch back to an "RFC". An engineer from Rockchip reached out to me to let me know they are working on this patch for upstream, I am submitting this v4 for the community to see however I expect Jon Lin (jon.lin@rock-chips.com) will submit new patches soon and these are the ones we should pursue for mainlining. Jon's patch series should include support for more hardware than this series. - Clean up documentation more and ensure it is correct per make dt_binding_check. - Add support in device trees for rk3036, rk3308, and rv1108. - Add ahb clock (hclk_sfc) support for rk3036. - Change rockchip_sfc_wait_fifo_ready() to use a switch statement. - Change IRQ code to only mark IRQ as handled if it handles the specific IRQ (DMA transfer finish) it is supposed to handle. Changes in v3: - Changed the name of the clocks to sfc/ahb (from clk-sfc/clk-hsfc). - Changed the compatible string from rockchip,sfc to rockchip,rk3036-sfc. A quick glance at the datasheets suggests this driver should work for the PX30, RK180x, RK3036, RK312x, RK3308 and RV1108 SoCs, and possibly more. However, I am currently only able to test this on a PX30 (an RK3326). The technical reference manuals appear to list the same registers for each device. - Corrected devicetree documentation for formatting and to note these changes. - Replaced the maintainer with Heiko Stuebner and myself, as we will take ownership of this going forward. - Noted that the device (per the reference manual) supports 4 CS, but I am only able to test a single CS (CS 0). - Reordered patches to comply with upstream rules. Changes in v2: - Reimplemented driver using spi-mem subsystem. - Removed power management code as I couldn't get it working properly. - Added device tree bindings for Odroid Go Advance. Changes in v1: hanges made in this new series versus the v8 of the old series: - Added function to read spi-rx-bus-width from device tree, in the event that the SPI chip supports 4x mode but only has 2 pins wired (such as the Odroid Go Advance). - Changed device tree documentation from txt to yaml format. - Made "reset" message a dev_dbg from a dev_info. - Changed read and write fifo functions to remove redundant checks. - Changed the write and read from relaxed to non-relaxed when starting the DMA transfer or reading the DMA IRQ. - Changed from dma_coerce_mask_and_coherent to just dma_set_mask_and_coherent. - Changed name of get_if_type to rockchip_sfc_get_if_type. .../devicetree/bindings/spi/rockchip-sfc.yaml | 88 +++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/rockchip-sfc.yaml diff --git a/Documentation/devicetree/bindings/spi/rockchip-sfc.yaml b/Documentation/devicetree/bindings/spi/rockchip-sfc.yaml new file mode 100644 index 000000000000..42e4198e92af --- /dev/null +++ b/Documentation/devicetree/bindings/spi/rockchip-sfc.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/rockchip-sfc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip Serial Flash Controller (SFC) + +maintainers: + - Heiko Stuebner + - Chris Morgan + +allOf: + - $ref: spi-controller.yaml# + +properties: + compatible: + oneOf: + - const: rockchip,sfc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: Bus Clock + - description: Module Clock + + clock-names: + items: + - const: clk_sfc + - const: hclk_sfc + + power-domains: + maxItems: 1 + + rockchip,sfc-no-dma: + description: Disable DMA and utilize FIFO mode only + type: boolean + +patternProperties: + "^flash@[0-3]$": + type: object + properties: + reg: + minimum: 0 + maximum: 3 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + sfc: spi@ff3a0000 { + compatible = "rockchip,sfc"; + reg = <0xff3a0000 0x4000>; + interrupts = ; + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; + clock-names = "clk_sfc", "hclk_sfc"; + pinctrl-0 = <&sfc_clk &sfc_cs &sfc_bus2>; + pinctrl-names = "default"; + power-domains = <&power PX30_PD_MMC_NAND>; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <108000000>; + spi-rx-bus-width = <2>; + spi-tx-bus-width = <2>; + }; + }; + +... From patchwork Wed Jun 9 14:04:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12310365 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0478C48BCD for ; Wed, 9 Jun 2021 14:56:17 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 67F4D611CC for ; Wed, 9 Jun 2021 14:56:17 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 67F4D611CC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org 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:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=sCPf6ffchN1RypxOYxeXxu3mAcU+r8AJOdnNnBjRR8k=; b=mWJnW5YFTMJJWH hEb80Hc1+0odk92GFQxaJTEpw2q5/pwgi/QGwKsVWDsgPRjUweklSm3MZc+4Sj9KFKhz1bg1K3UJE 2fSQTvpqZe0ruxJBkraRCuzjoatOLzbFQvYYmiwDSJLa0U0upDEvLlJO7beGLhT+7Oe2Y16jYqE4k AKYqxXo5I0yofjoC+pSlrAA+TkhFRUvsAFZySz73nPtIIDlpB4F2hJ7m0pwm59ufY+TO4x29eg9PJ eTYsYeRLSJKwlkpvsM8aGjwv6cnfvBSA8aQ9VoFNSWf9pjCfNXzj4ATwwCSWAUpC6Ar8ceygoOUMc Vn7PTLAPpmS7BP4+IMtA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqzcq-00ERO4-MK; Wed, 09 Jun 2021 14:56:12 +0000 Received: from lucky1.263xmail.com ([211.157.147.135]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqyon-00EBmp-3b; Wed, 09 Jun 2021 14:04:33 +0000 Received: from localhost (unknown [192.168.167.235]) by lucky1.263xmail.com (Postfix) with ESMTP id C275AAC950; Wed, 9 Jun 2021 22:04:17 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P31748T140095042557696S1623247454096580_; Wed, 09 Jun 2021 22:04:18 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <37bbce434085a776769ed9cc802d7942> X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Chris Morgan Subject: [PATCH v7 2/9] spi: rockchip-sfc: add rockchip serial flash controller Date: Wed, 9 Jun 2021 22:04:05 +0800 Message-Id: <20210609140412.16058-3-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609140412.16058-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_070430_102800_AD967C51 X-CRM114-Status: GOOD ( 28.67 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Chris Morgan Add the rockchip serial flash controller (SFC) driver. Signed-off-by: Chris Morgan Signed-off-by: Jon Lin --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/spi-rockchip-sfc.c | 676 +++++++++++++++++++++++++++++++++ 3 files changed, 686 insertions(+) create mode 100644 drivers/spi/spi-rockchip-sfc.c diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index e71a4c514f7b..d89e5f3c9107 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -658,6 +658,15 @@ config SPI_ROCKCHIP The main usecase of this controller is to use spi flash as boot device. +config SPI_ROCKCHIP_SFC + tristate "Rockchip Serial Flash Controller (SFC)" + depends on ARCH_ROCKCHIP || COMPILE_TEST + depends on HAS_IOMEM && HAS_DMA + help + This enables support for Rockchip serial flash controller. This + is a specialized controller used to access SPI flash on some + Rockchip SOCs. + config SPI_RB4XX tristate "Mikrotik RB4XX SPI master" depends on SPI_MASTER && ATH79 diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 13e54c45e9df..699db95c8441 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -95,6 +95,7 @@ obj-$(CONFIG_SPI_QCOM_GENI) += spi-geni-qcom.o obj-$(CONFIG_SPI_QCOM_QSPI) += spi-qcom-qspi.o obj-$(CONFIG_SPI_QUP) += spi-qup.o obj-$(CONFIG_SPI_ROCKCHIP) += spi-rockchip.o +obj-$(CONFIG_SPI_ROCKCHIP_SFC) += spi-rockchip-sfc.o obj-$(CONFIG_SPI_RB4XX) += spi-rb4xx.o obj-$(CONFIG_MACH_REALTEK_RTL) += spi-realtek-rtl.o obj-$(CONFIG_SPI_RPCIF) += spi-rpc-if.o diff --git a/drivers/spi/spi-rockchip-sfc.c b/drivers/spi/spi-rockchip-sfc.c new file mode 100644 index 000000000000..be2557c9af40 --- /dev/null +++ b/drivers/spi/spi-rockchip-sfc.c @@ -0,0 +1,676 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Rockchip Serial Flash Controller Driver + * + * Copyright (c) 2017-2021, Rockchip Inc. + * Author: Shawn Lin + * Chris Morgan + * Jon Lin + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* System control */ +#define SFC_CTRL 0x0 +#define SFC_CTRL_PHASE_SEL_NEGETIVE BIT(1) +#define SFC_CTRL_CMD_BITS_SHIFT 8 +#define SFC_CTRL_ADDR_BITS_SHIFT 10 +#define SFC_CTRL_DATA_BITS_SHIFT 12 + +/* Interrupt mask */ +#define SFC_IMR 0x4 +#define SFC_IMR_RX_FULL BIT(0) +#define SFC_IMR_RX_UFLOW BIT(1) +#define SFC_IMR_TX_OFLOW BIT(2) +#define SFC_IMR_TX_EMPTY BIT(3) +#define SFC_IMR_TRAN_FINISH BIT(4) +#define SFC_IMR_BUS_ERR BIT(5) +#define SFC_IMR_NSPI_ERR BIT(6) +#define SFC_IMR_DMA BIT(7) + +/* Interrupt clear */ +#define SFC_ICLR 0x8 +#define SFC_ICLR_RX_FULL BIT(0) +#define SFC_ICLR_RX_UFLOW BIT(1) +#define SFC_ICLR_TX_OFLOW BIT(2) +#define SFC_ICLR_TX_EMPTY BIT(3) +#define SFC_ICLR_TRAN_FINISH BIT(4) +#define SFC_ICLR_BUS_ERR BIT(5) +#define SFC_ICLR_NSPI_ERR BIT(6) +#define SFC_ICLR_DMA BIT(7) + +/* FIFO threshold level */ +#define SFC_FTLR 0xc +#define SFC_FTLR_TX_SHIFT 0 +#define SFC_FTLR_TX_MASK 0x1f +#define SFC_FTLR_RX_SHIFT 8 +#define SFC_FTLR_RX_MASK 0x1f + +/* Reset FSM and FIFO */ +#define SFC_RCVR 0x10 +#define SFC_RCVR_RESET BIT(0) + +/* Enhanced mode */ +#define SFC_AX 0x14 + +/* Address Bit number */ +#define SFC_ABIT 0x18 + +/* Interrupt status */ +#define SFC_ISR 0x1c +#define SFC_ISR_RX_FULL_SHIFT BIT(0) +#define SFC_ISR_RX_UFLOW_SHIFT BIT(1) +#define SFC_ISR_TX_OFLOW_SHIFT BIT(2) +#define SFC_ISR_TX_EMPTY_SHIFT BIT(3) +#define SFC_ISR_TX_FINISH_SHIFT BIT(4) +#define SFC_ISR_BUS_ERR_SHIFT BIT(5) +#define SFC_ISR_NSPI_ERR_SHIFT BIT(6) +#define SFC_ISR_DMA_SHIFT BIT(7) + +/* FIFO status */ +#define SFC_FSR 0x20 +#define SFC_FSR_TX_IS_FULL BIT(0) +#define SFC_FSR_TX_IS_EMPTY BIT(1) +#define SFC_FSR_RX_IS_EMPTY BIT(2) +#define SFC_FSR_RX_IS_FULL BIT(3) +#define SFC_FSR_TXLV_MASK GENMASK(12, 8) +#define SFC_FSR_TXLV_SHIFT 8 +#define SFC_FSR_RXLV_MASK GENMASK(20, 16) +#define SFC_FSR_RXLV_SHIFT 16 + +/* FSM status */ +#define SFC_SR 0x24 +#define SFC_SR_IS_IDLE 0x0 +#define SFC_SR_IS_BUSY 0x1 + +/* Raw interrupt status */ +#define SFC_RISR 0x28 +#define SFC_RISR_RX_FULL BIT(0) +#define SFC_RISR_RX_UNDERFLOW BIT(1) +#define SFC_RISR_TX_OVERFLOW BIT(2) +#define SFC_RISR_TX_EMPTY BIT(3) +#define SFC_RISR_TRAN_FINISH BIT(4) +#define SFC_RISR_BUS_ERR BIT(5) +#define SFC_RISR_NSPI_ERR BIT(6) +#define SFC_RISR_DMA BIT(7) + +/* Version */ +#define SFC_VER 0x2C +#define SFC_VER_3 0x3 +#define SFC_VER_4 0x4 +#define SFC_VER_5 0x5 + +/* Master trigger */ +#define SFC_DMA_TRIGGER 0x80 + +/* Src or Dst addr for master */ +#define SFC_DMA_ADDR 0x84 + +/* Length control register extension 32GB */ +#define SFC_LEN_CTRL 0x88 +#define SFC_LEN_CTRL_TRB_SEL 1 +#define SFC_LEN_EXT 0x8C + +/* Command */ +#define SFC_CMD 0x100 +#define SFC_CMD_IDX_SHIFT 0 +#define SFC_CMD_DUMMY_SHIFT 8 +#define SFC_CMD_DIR_SHIFT 12 +#define SFC_CMD_DIR_RD 0 +#define SFC_CMD_DIR_WR 1 +#define SFC_CMD_ADDR_SHIFT 14 +#define SFC_CMD_ADDR_0BITS 0 +#define SFC_CMD_ADDR_24BITS 1 +#define SFC_CMD_ADDR_32BITS 2 +#define SFC_CMD_ADDR_XBITS 3 +#define SFC_CMD_TRAN_BYTES_SHIFT 16 +#define SFC_CMD_CS_SHIFT 30 + +/* Address */ +#define SFC_ADDR 0x104 + +/* Data */ +#define SFC_DATA 0x108 + +/* The controller and documentation reports that it supports up to 4 CS + * devices (0-3), however I have only been able to test a single CS (CS 0) + * due to the configuration of my device. + */ +#define SFC_MAX_CHIPSELECT_NUM 4 + +/* The SFC can transfer max 16KB - 1 at one time + * we set it to 15.5KB here for alignment. + */ +#define SFC_MAX_IOSIZE_VER3 (512 * 31) + +/* DMA is only enabled for large data transmission */ +#define SFC_DMA_TRANS_THRETHOLD (0x40) + +/* Maximum clock values from datasheet suggest keeping clock value under + * 150MHz. No minimum or average value is suggested, but the U-boot BSP driver + * has a minimum of 10MHz and a default of 80MHz which seems reasonable. + */ +#define SFC_MIN_SPEED_HZ (10 * 1000 * 1000) +#define SFC_DEFAULT_SPEED_HZ (80 * 1000 * 1000) +#define SFC_MAX_SPEED_HZ (150 * 1000 * 1000) + +struct rockchip_sfc { + struct device *dev; + void __iomem *regbase; + struct clk *hclk; + struct clk *clk; + u32 frequency; + /* virtual mapped addr for dma_buffer */ + void *buffer; + dma_addr_t dma_buffer; + struct completion cp; + bool use_dma; + u32 max_iosize; + u16 version; +}; + +static int rockchip_sfc_reset(struct rockchip_sfc *sfc) +{ + int err; + u32 status; + + writel_relaxed(SFC_RCVR_RESET, sfc->regbase + SFC_RCVR); + + err = readl_poll_timeout(sfc->regbase + SFC_RCVR, status, + !(status & SFC_RCVR_RESET), 20, + jiffies_to_usecs(HZ)); + if (err) + dev_err(sfc->dev, "SFC reset never finished\n"); + + /* Still need to clear the masked interrupt from RISR */ + writel_relaxed(0xFFFFFFFF, sfc->regbase + SFC_ICLR); + + dev_dbg(sfc->dev, "reset\n"); + + return err; +} + +static u16 rockchip_sfc_get_version(struct rockchip_sfc *sfc) +{ + return (u16)(readl(sfc->regbase + SFC_VER) & 0xffff); +} + +static u32 rockchip_sfc_get_max_iosize(struct rockchip_sfc *sfc) +{ + return SFC_MAX_IOSIZE_VER3; +} + +static int rockchip_sfc_init(struct rockchip_sfc *sfc) +{ + writel(0, sfc->regbase + SFC_CTRL); + if (rockchip_sfc_get_version(sfc) >= SFC_VER_4) + writel(SFC_LEN_CTRL_TRB_SEL, sfc->regbase + SFC_LEN_CTRL); + + return 0; +} + +static inline int rockchip_sfc_get_fifo_level(struct rockchip_sfc *sfc, int wr) +{ + u32 fsr = readl_relaxed(sfc->regbase + SFC_FSR); + int level; + + if (wr) + level = (fsr & SFC_FSR_TXLV_MASK) >> SFC_FSR_TXLV_SHIFT; + else + level = (fsr & SFC_FSR_RXLV_MASK) >> SFC_FSR_RXLV_SHIFT; + + return level; +} + +static int rockchip_sfc_wait_fifo_ready(struct rockchip_sfc *sfc, int wr, u32 timeout) +{ + unsigned long deadline = jiffies + timeout; + int level; + + while (!(level = rockchip_sfc_get_fifo_level(sfc, wr))) { + if (time_after_eq(jiffies, deadline)) { + dev_warn(sfc->dev, "%s fifo timeout\n", wr ? "write" : "read"); + return -ETIMEDOUT; + } + udelay(1); + } + + return level; +} + +static void rockchip_sfc_adjust_op_work(struct spi_mem_op *op) +{ + if (unlikely(op->dummy.nbytes && !op->addr.nbytes)) { + /* + * SFC not support output DUMMY cycles right after CMD cycles, so + * treat it as ADDR cycles. + */ + op->addr.nbytes = op->dummy.nbytes; + op->addr.buswidth = op->dummy.buswidth; + op->addr.val = 0xFFFFFFFFF; + + op->dummy.nbytes = 0; + } +} + +static int rockchip_sfc_xfer_setup(struct rockchip_sfc *sfc, + struct spi_mem *mem, + const struct spi_mem_op *op, + u32 len) +{ + u32 ctrl = 0, cmd = 0; + + /* set CMD */ + cmd = op->cmd.opcode; + ctrl |= ((op->cmd.buswidth >> 1) << SFC_CTRL_CMD_BITS_SHIFT); + + /* set ADDR */ + if (op->addr.nbytes) { + if (op->addr.nbytes == 4) { + cmd |= SFC_CMD_ADDR_32BITS << SFC_CMD_ADDR_SHIFT; + } else if (op->addr.nbytes == 3) { + cmd |= SFC_CMD_ADDR_24BITS << SFC_CMD_ADDR_SHIFT; + } else { + cmd |= SFC_CMD_ADDR_XBITS << SFC_CMD_ADDR_SHIFT; + writel_relaxed(op->addr.nbytes * 8 - 1, sfc->regbase + SFC_ABIT); + } + + ctrl |= ((op->addr.buswidth >> 1) << SFC_CTRL_ADDR_BITS_SHIFT); + } + + /* set DUMMY */ + if (op->dummy.nbytes) { + if (op->dummy.buswidth == 4) + cmd |= op->dummy.nbytes * 2 << SFC_CMD_DUMMY_SHIFT; + else if (op->dummy.buswidth == 2) + cmd |= op->dummy.nbytes * 4 << SFC_CMD_DUMMY_SHIFT; + else + cmd |= op->dummy.nbytes * 8 << SFC_CMD_DUMMY_SHIFT; + } + + /* set DATA */ + if (sfc->version >= SFC_VER_4) /* Clear it if no data to transfer */ + writel(len, sfc->regbase + SFC_LEN_EXT); + else + cmd |= len << SFC_CMD_TRAN_BYTES_SHIFT; + if (len) { + if (op->data.dir == SPI_MEM_DATA_OUT) + cmd |= SFC_CMD_DIR_WR << SFC_CMD_DIR_SHIFT; + + ctrl |= ((op->data.buswidth >> 1) << SFC_CTRL_DATA_BITS_SHIFT); + } + if (!len && op->addr.nbytes) + cmd |= SFC_CMD_DIR_WR << SFC_CMD_DIR_SHIFT; + + /* set the Controller */ + ctrl |= SFC_CTRL_PHASE_SEL_NEGETIVE; + cmd |= mem->spi->chip_select << SFC_CMD_CS_SHIFT; + + dev_dbg(sfc->dev, "addr.nbytes=%x(x%d) dummy.nbytes=%x(x%d)\n", + op->addr.nbytes, op->addr.buswidth, + op->dummy.nbytes, op->dummy.buswidth); + dev_dbg(sfc->dev, "ctrl=%x cmd=%x addr=%llx len=%x\n", + ctrl, cmd, op->addr.val, len); + + writel(ctrl, sfc->regbase + SFC_CTRL); + writel(cmd, sfc->regbase + SFC_CMD); + if (op->addr.nbytes) + writel(op->addr.val, sfc->regbase + SFC_ADDR); + + return 0; +} + +static int rockchip_sfc_write_fifo(struct rockchip_sfc *sfc, const u8 *buf, int len) +{ + u8 bytes = len & 0x3; + u32 dwords; + int tx_level; + u32 write_words; + u32 tmp = 0; + + dwords = len >> 2; + while (dwords) { + tx_level = rockchip_sfc_wait_fifo_ready(sfc, SFC_CMD_DIR_WR, HZ); + if (tx_level < 0) + return tx_level; + write_words = min_t(u32, tx_level, dwords); + iowrite32_rep(sfc->regbase + SFC_DATA, buf, write_words); + buf += write_words << 2; + dwords -= write_words; + } + + /* write the rest non word aligned bytes */ + if (bytes) { + tx_level = rockchip_sfc_wait_fifo_ready(sfc, SFC_CMD_DIR_WR, HZ); + if (tx_level < 0) + return tx_level; + memcpy(&tmp, buf, bytes); + writel(tmp, sfc->regbase + SFC_DATA); + } + + return len; +} + +static int rockchip_sfc_read_fifo(struct rockchip_sfc *sfc, u8 *buf, int len) +{ + u8 bytes = len & 0x3; + u32 dwords; + u8 read_words; + int rx_level; + int tmp; + + /* word aligned access only */ + dwords = len >> 2; + while (dwords) { + rx_level = rockchip_sfc_wait_fifo_ready(sfc, SFC_CMD_DIR_RD, HZ); + if (rx_level < 0) + return rx_level; + read_words = min_t(u32, rx_level, dwords); + ioread32_rep(sfc->regbase + SFC_DATA, buf, read_words); + buf += read_words << 2; + dwords -= read_words; + } + + /* read the rest non word aligned bytes */ + if (bytes) { + rx_level = rockchip_sfc_wait_fifo_ready(sfc, SFC_CMD_DIR_RD, HZ); + if (rx_level < 0) + return rx_level; + tmp = readl_relaxed(sfc->regbase + SFC_DATA); + memcpy(buf, &tmp, bytes); + } + + return len; +} + +static int rockchip_sfc_fifo_transfer_dma(struct rockchip_sfc *sfc, dma_addr_t dma_buf, size_t len) +{ + u32 reg; + int err = 0; + + init_completion(&sfc->cp); + + writel(0xFFFFFFFF, sfc->regbase + SFC_ICLR); + + /* Enable transfer complete interrupt */ + reg = readl(sfc->regbase + SFC_IMR); + reg &= ~SFC_IMR_DMA; + writel(reg, sfc->regbase + SFC_IMR); + writel((u32)dma_buf, sfc->regbase + SFC_DMA_ADDR); + writel(0x1, sfc->regbase + SFC_DMA_TRIGGER); + + /* Wait for the interrupt. */ + if (!wait_for_completion_timeout(&sfc->cp, msecs_to_jiffies(2000))) { + dev_err(sfc->dev, "DMA wait for transfer finish timeout\n"); + err = -ETIMEDOUT; + } + + writel(0xFFFFFFFF, sfc->regbase + SFC_ICLR); + /* Disable transfer finish interrupt */ + reg = readl(sfc->regbase + SFC_IMR); + reg |= SFC_IMR_DMA; + writel(reg, sfc->regbase + SFC_IMR); + + return len; +} + +static int rockchip_sfc_xfer_data_poll(struct rockchip_sfc *sfc, + const struct spi_mem_op *op, u32 len) +{ + dev_dbg(sfc->dev, "xfer_poll len=%x\n", len); + + if (op->data.dir == SPI_MEM_DATA_OUT) + return rockchip_sfc_write_fifo(sfc, op->data.buf.out, len); + else + return rockchip_sfc_read_fifo(sfc, op->data.buf.in, len); +} + +static int rockchip_sfc_xfer_data_dma(struct rockchip_sfc *sfc, + const struct spi_mem_op *op, u32 len) +{ + int ret; + + dev_dbg(sfc->dev, "xfer_dma len=%x\n", len); + + if (op->data.dir == SPI_MEM_DATA_OUT) { + memcpy_toio(sfc->buffer, op->data.buf.out, len); + ret = rockchip_sfc_fifo_transfer_dma(sfc, sfc->dma_buffer, len); + } else { + ret = rockchip_sfc_fifo_transfer_dma(sfc, sfc->dma_buffer, len); + memcpy_fromio(op->data.buf.in, sfc->buffer, len); + } + + return ret; +} + +static int rockchip_sfc_xfer_done(struct rockchip_sfc *sfc, u32 timeout_us) +{ + int ret = 0; + u32 status; + + ret = readl_poll_timeout(sfc->regbase + SFC_SR, status, + !(status & SFC_SR_IS_BUSY), + 20, timeout_us); + if (ret) { + dev_err(sfc->dev, "wait sfc idle timeout\n"); + rockchip_sfc_reset(sfc); + + ret = -EIO; + } + + return ret; +} + +static int rockchip_sfc_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op *op) +{ + struct rockchip_sfc *sfc = spi_master_get_devdata(mem->spi->master); + u32 len = op->data.nbytes; + int ret; + + if (unlikely(mem->spi->max_speed_hz != sfc->frequency)) { + ret = clk_set_rate(sfc->clk, mem->spi->max_speed_hz); + if (ret) + return ret; + sfc->frequency = mem->spi->max_speed_hz; + dev_dbg(sfc->dev, "set_freq=%dHz real_freq=%ldHz\n", + sfc->frequency, clk_get_rate(sfc->clk)); + } + + rockchip_sfc_adjust_op_work((struct spi_mem_op *)op); + + rockchip_sfc_xfer_setup(sfc, mem, op, len); + if (len) { + if (likely(sfc->use_dma) && !(len & 0x3) && len >= SFC_DMA_TRANS_THRETHOLD) + ret = rockchip_sfc_xfer_data_dma(sfc, op, len); + else + ret = rockchip_sfc_xfer_data_poll(sfc, op, len); + + if (ret != len) { + dev_err(sfc->dev, "xfer data failed ret %d dir %d\n", ret, op->data.dir); + + return -EIO; + } + } + + return rockchip_sfc_xfer_done(sfc, 100000); +} + +static int rockchip_sfc_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op) +{ + struct rockchip_sfc *sfc = spi_master_get_devdata(mem->spi->master); + + op->data.nbytes = min(op->data.nbytes, sfc->max_iosize); + + return 0; +} + +static const struct spi_controller_mem_ops rockchip_sfc_mem_ops = { + .exec_op = rockchip_sfc_exec_mem_op, + .adjust_op_size = rockchip_sfc_adjust_op_size, +}; + +static irqreturn_t rockchip_sfc_irq_handler(int irq, void *dev_id) +{ + struct rockchip_sfc *sfc = dev_id; + u32 reg; + + reg = readl(sfc->regbase + SFC_RISR); + + /* Clear interrupt */ + writel_relaxed(reg, sfc->regbase + SFC_ICLR); + + if (reg & SFC_RISR_DMA) + complete(&sfc->cp); + + return IRQ_HANDLED; +} + +static int rockchip_sfc_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct spi_master *master; + struct resource *res; + struct rockchip_sfc *sfc; + int ret; + + master = devm_spi_alloc_master(&pdev->dev, sizeof(*sfc)); + if (!master) + return -ENOMEM; + + master->mem_ops = &rockchip_sfc_mem_ops; + master->dev.of_node = pdev->dev.of_node; + master->mode_bits = SPI_TX_QUAD | SPI_TX_DUAL | SPI_RX_QUAD | SPI_RX_DUAL; + master->min_speed_hz = SFC_MIN_SPEED_HZ; + master->max_speed_hz = SFC_MAX_SPEED_HZ; + master->num_chipselect = SFC_MAX_CHIPSELECT_NUM; + + sfc = spi_master_get_devdata(master); + sfc->dev = dev; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + sfc->regbase = devm_ioremap_resource(dev, res); + if (IS_ERR(sfc->regbase)) + return PTR_ERR(sfc->regbase); + + sfc->clk = devm_clk_get(&pdev->dev, "clk_sfc"); + if (IS_ERR(sfc->clk)) { + dev_err(&pdev->dev, "Failed to get sfc interface clk\n"); + return PTR_ERR(sfc->clk); + } + + sfc->hclk = devm_clk_get(&pdev->dev, "hclk_sfc"); + if (IS_ERR(sfc->hclk)) { + dev_err(&pdev->dev, "Failed to get sfc ahb clk\n"); + return PTR_ERR(sfc->hclk); + } + + sfc->use_dma = !of_property_read_bool(sfc->dev->of_node, + "rockchip,sfc-no-dma"); + + if (sfc->use_dma) { + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); + if (ret) { + dev_warn(dev, "Unable to set dma mask\n"); + return ret; + } + + sfc->buffer = dmam_alloc_coherent(dev, SFC_MAX_IOSIZE_VER3, + &sfc->dma_buffer, + GFP_KERNEL); + if (!sfc->buffer) + return -ENOMEM; + } + + ret = clk_prepare_enable(sfc->hclk); + if (ret) { + dev_err(&pdev->dev, "Failed to enable ahb clk\n"); + goto err_hclk; + } + + ret = clk_prepare_enable(sfc->clk); + if (ret) { + dev_err(&pdev->dev, "Failed to enable interface clk\n"); + goto err_clk; + } + + /* Find the irq */ + ret = platform_get_irq(pdev, 0); + if (ret < 0) { + dev_err(dev, "Failed to get the irq\n"); + goto err_irq; + } + + ret = devm_request_irq(dev, ret, rockchip_sfc_irq_handler, + 0, pdev->name, sfc); + if (ret) { + dev_err(dev, "Failed to request irq\n"); + + return ret; + } + + ret = rockchip_sfc_init(sfc); + if (ret) + goto err_irq; + + sfc->max_iosize = rockchip_sfc_get_max_iosize(sfc); + sfc->version = rockchip_sfc_get_version(sfc); + + ret = spi_register_master(master); + if (ret) + goto err_irq; + + return 0; + +err_irq: + clk_disable_unprepare(sfc->clk); +err_clk: + clk_disable_unprepare(sfc->hclk); +err_hclk: + return ret; +} + +static int rockchip_sfc_remove(struct platform_device *pdev) +{ + struct spi_master *master = platform_get_drvdata(pdev); + struct rockchip_sfc *sfc = platform_get_drvdata(pdev); + + spi_unregister_master(master); + + clk_disable_unprepare(sfc->clk); + clk_disable_unprepare(sfc->hclk); + + return 0; +} + +static const struct of_device_id rockchip_sfc_dt_ids[] = { + { .compatible = "rockchip,sfc"}, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, rockchip_sfc_dt_ids); + +static struct platform_driver rockchip_sfc_driver = { + .driver = { + .name = "rockchip-sfc", + .of_match_table = rockchip_sfc_dt_ids, + }, + .probe = rockchip_sfc_probe, + .remove = rockchip_sfc_remove, +}; +module_platform_driver(rockchip_sfc_driver); + +MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("Rockchip Serial Flash Controller Driver"); +MODULE_AUTHOR("Shawn Lin "); +MODULE_AUTHOR("Chris Morgan "); +MODULE_AUTHOR("Jon Lin "); From patchwork Wed Jun 9 14:04:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12310349 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 878F1C48BCD for ; 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Wed, 09 Jun 2021 22:04:20 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Chris Morgan Subject: [PATCH v7 3/9] arm64: dts: rockchip: Add SFC to PX30 Date: Wed, 9 Jun 2021 22:04:06 +0800 Message-Id: <20210609140412.16058-4-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609140412.16058-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_070425_146542_26B0271E X-CRM114-Status: GOOD ( 10.24 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Chris Morgan Add a devicetree entry for the Rockchip SFC for the PX30 SOC. Signed-off-by: Chris Morgan Signed-off-by: Jon Lin --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None arch/arm64/boot/dts/rockchip/px30.dtsi | 38 ++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi b/arch/arm64/boot/dts/rockchip/px30.dtsi index 09baa8a167ce..d854f2577067 100644 --- a/arch/arm64/boot/dts/rockchip/px30.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30.dtsi @@ -966,6 +966,18 @@ status = "disabled"; }; + sfc: spi@ff3a0000 { + compatible = "rockchip,sfc"; + reg = <0x0 0xff3a0000 0x0 0x4000>; + interrupts = ; + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; + clock-names = "clk_sfc", "hclk_sfc"; + pinctrl-0 = <&sfc_clk &sfc_cs0 &sfc_bus4>; + pinctrl-names = "default"; + power-domains = <&power PX30_PD_MMC_NAND>; + status = "disabled"; + }; + nfc: nand-controller@ff3b0000 { compatible = "rockchip,px30-nfc"; reg = <0x0 0xff3b0000 0x0 0x4000>; @@ -1967,6 +1979,32 @@ }; }; + sfc { + sfc_bus4: sfc-bus4 { + rockchip,pins = + <1 RK_PA0 3 &pcfg_pull_none>, + <1 RK_PA1 3 &pcfg_pull_none>, + <1 RK_PA2 3 &pcfg_pull_none>, + <1 RK_PA3 3 &pcfg_pull_none>; + }; + + sfc_bus2: sfc-bus2 { + rockchip,pins = + <1 RK_PA0 3 &pcfg_pull_none>, + <1 RK_PA1 3 &pcfg_pull_none>; + }; + + sfc_cs0: sfc-cs0 { + rockchip,pins = + <1 RK_PA4 3 &pcfg_pull_none>; + }; + + sfc_clk: sfc-clk { + rockchip,pins = + <1 RK_PB1 3 &pcfg_pull_none>; + }; + }; + lcdc { lcdc_rgb_dclk_pin: lcdc-rgb-dclk-pin { rockchip,pins = From patchwork Wed Jun 9 14:04:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12310347 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E296C48BCF for ; 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Wed, 09 Jun 2021 22:04:21 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <4a89ae5862db913a75d604af23e72152> X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Elaine Zhang Subject: [PATCH v7 4/9] clk: rockchip: rk3036: fix up the sclk_sfc parent error Date: Wed, 9 Jun 2021 22:04:07 +0800 Message-Id: <20210609140412.16058-5-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609140412.16058-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_070427_461580_0F121C37 X-CRM114-Status: UNSURE ( 9.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Choose the correct pll Signed-off-by: Elaine Zhang Signed-off-by: Jon Lin --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None drivers/clk/rockchip/clk-rk3036.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c index 91d56ad45817..1986856d94b2 100644 --- a/drivers/clk/rockchip/clk-rk3036.c +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -121,6 +121,7 @@ PNAME(mux_pll_src_3plls_p) = { "apll", "dpll", "gpll" }; PNAME(mux_timer_p) = { "xin24m", "pclk_peri_src" }; PNAME(mux_pll_src_apll_dpll_gpll_usb480m_p) = { "apll", "dpll", "gpll", "usb480m" }; +PNAME(mux_pll_src_dmyapll_dpll_gpll_xin24_p) = { "dummy_apll", "dpll", "gpll", "xin24m" }; PNAME(mux_mmc_src_p) = { "apll", "dpll", "gpll", "xin24m" }; PNAME(mux_i2s_pre_p) = { "i2s_src", "i2s_frac", "ext_i2s", "xin12m" }; @@ -340,7 +341,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(16), 8, 2, MFLAGS, 10, 5, DFLAGS, RK2928_CLKGATE_CON(10), 4, GFLAGS), - COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_apll_dpll_gpll_usb480m_p, 0, + COMPOSITE(SCLK_SFC, "sclk_sfc", mux_pll_src_dmyapll_dpll_gpll_xin24_p, 0, RK2928_CLKSEL_CON(16), 0, 2, MFLAGS, 2, 5, DFLAGS, RK2928_CLKGATE_CON(10), 5, GFLAGS), From patchwork Wed Jun 9 14:13:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12310421 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8B9DAC48BCD for ; 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Wed, 09 Jun 2021 22:13:52 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Chris Morgan Subject: [PATCH v7 5/9] clk: rockchip: Add support for hclk_sfc on rk3036 Date: Wed, 9 Jun 2021 22:13:44 +0800 Message-Id: <20210609141348.19178-1-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609140412.16058-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_071356_202397_0B2A1333 X-CRM114-Status: GOOD ( 13.78 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Chris Morgan Add support for the bus clock for the serial flash controller on the rk3036. Taken from the Rockchip BSP kernel but not tested on real hardware (as I lack a 3036 based SoC to test). Signed-off-by: Chris Morgan Signed-off-by: Jon Lin --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None drivers/clk/rockchip/clk-rk3036.c | 2 +- include/dt-bindings/clock/rk3036-cru.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c index 1986856d94b2..828af715d92e 100644 --- a/drivers/clk/rockchip/clk-rk3036.c +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -404,7 +404,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { GATE(HCLK_OTG0, "hclk_otg0", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 13, GFLAGS), GATE(HCLK_OTG1, "hclk_otg1", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(7), 3, GFLAGS), GATE(HCLK_I2S, "hclk_i2s", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS), - GATE(0, "hclk_sfc", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(3), 14, GFLAGS), + GATE(HCLK_SFC, "hclk_sfc", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 14, GFLAGS), GATE(HCLK_MAC, "hclk_mac", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 5, GFLAGS), /* pclk_peri gates */ diff --git a/include/dt-bindings/clock/rk3036-cru.h b/include/dt-bindings/clock/rk3036-cru.h index 35a5a01f9697..a96a9870ad59 100644 --- a/include/dt-bindings/clock/rk3036-cru.h +++ b/include/dt-bindings/clock/rk3036-cru.h @@ -81,6 +81,7 @@ #define HCLK_OTG0 449 #define HCLK_OTG1 450 #define HCLK_NANDC 453 +#define HCLK_SFC 454 #define HCLK_SDMMC 456 #define HCLK_SDIO 457 #define HCLK_EMMC 459 From patchwork Wed Jun 9 14:13:45 2021 Content-Type: text/plain; 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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqzu1-00EX1T-44; Wed, 09 Jun 2021 15:13:57 +0000 Received: from lucky1.263xmail.com ([211.157.147.133]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqyxz-00EEq7-6E; Wed, 09 Jun 2021 14:14:00 +0000 Received: from localhost (unknown [192.168.167.235]) by lucky1.263xmail.com (Postfix) with ESMTP id 59E27CD975; Wed, 9 Jun 2021 22:13:54 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P31748T140095021577984S1623248030099962_; Wed, 09 Jun 2021 22:13:54 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <6e9b8c89d5308aec48f5cbad6c2d8894> X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Chris Morgan Subject: [PATCH v7 6/9] arm: dts: rockchip: Add SFC to RK3036 Date: Wed, 9 Jun 2021 22:13:45 +0800 Message-Id: <20210609141348.19178-2-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609141348.19178-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> <20210609141348.19178-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_071359_635320_FBA3A23E X-CRM114-Status: GOOD ( 10.32 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Chris Morgan Add a devicetree entry for the Rockchip SFC for the RK3036 SOC. Signed-off-by: Chris Morgan Signed-off-by: Jon Lin --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None arch/arm/boot/dts/rk3036.dtsi | 42 +++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi index e24230d50a78..06e37be81393 100644 --- a/arch/arm/boot/dts/rk3036.dtsi +++ b/arch/arm/boot/dts/rk3036.dtsi @@ -206,6 +206,17 @@ status = "disabled"; }; + sfc: spi@10208000 { + compatible = "rockchip,sfc"; + reg = <0x10208000 0x4000>; + interrupts = ; + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; + clock-names = "clk_sfc", "hclk_sfc"; + pinctrl-0 = <&sfc_clk &sfc_cs0 &sfc_bus4>; + pinctrl-names = "default"; + status = "disabled"; + }; + sdmmc: mmc@10214000 { compatible = "rockchip,rk3036-dw-mshc", "rockchip,rk3288-dw-mshc"; reg = <0x10214000 0x4000>; @@ -684,6 +695,37 @@ }; }; + sfc { + sfc_bus4: sfc-bus4 { + rockchip,pins = + <1 RK_PD0 3 &pcfg_pull_none>, + <1 RK_PD1 3 &pcfg_pull_none>, + <1 RK_PD2 3 &pcfg_pull_none>, + <1 RK_PD3 3 &pcfg_pull_none>; + }; + + sfc_bus2: sfc-bus2 { + rockchip,pins = + <1 RK_PD0 3 &pcfg_pull_none>, + <1 RK_PD1 3 &pcfg_pull_none>; + }; + + sfc_cs0: sfc-cs0 { + rockchip,pins = + <2 RK_PA2 3 &pcfg_pull_none>; + }; + + sfc_cs1: sfc-cs1 { + rockchip,pins = + <2 RK_PA3 3 &pcfg_pull_none>; + }; + + sfc_clk: sfc-clk { + rockchip,pins = + <2 RK_PA4 3 &pcfg_pull_none>; + }; + }; + emac { emac_xfer: emac-xfer { rockchip,pins = <2 RK_PB2 1 &pcfg_pull_default>, /* crs_dvalid */ From patchwork Wed Jun 9 14:13:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12310483 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63016C48BCD for ; 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Wed, 09 Jun 2021 22:14:01 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Chris Morgan Subject: [PATCH v7 7/9] arm: dts: rockchip: Add SFC to RV1108 Date: Wed, 9 Jun 2021 22:13:46 +0800 Message-Id: <20210609141348.19178-3-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609141348.19178-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> <20210609141348.19178-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_071407_141720_90F33EB6 X-CRM114-Status: GOOD ( 10.19 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Chris Morgan Add a devicetree entry for the Rockchip SFC for the RV1108 SOC. Signed-off-by: Chris Morgan Signed-off-by: Jon Lin --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None arch/arm/boot/dts/rv1108.dtsi | 37 +++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi index 884872ca5207..6d4f289aff53 100644 --- a/arch/arm/boot/dts/rv1108.dtsi +++ b/arch/arm/boot/dts/rv1108.dtsi @@ -536,6 +536,17 @@ status = "disabled"; }; + sfc: spi@301c0000 { + compatible = "rockchip,sfc"; + reg = <0x301c0000 0x4000>; + interrupts = ; + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; + clock-names = "clk_sfc", "hclk_sfc"; + pinctrl-0 = <&sfc_clk &sfc_cs0 &sfc_bus4>; + pinctrl-names = "default"; + status = "disabled"; + }; + gmac: eth@30200000 { compatible = "rockchip,rv1108-gmac"; reg = <0x30200000 0x10000>; @@ -704,6 +715,32 @@ }; }; + sfc { + sfc_bus4: sfc-bus4 { + rockchip,pins = + <2 RK_PA0 3 &pcfg_pull_none>, + <2 RK_PA1 3 &pcfg_pull_none>, + <2 RK_PA2 3 &pcfg_pull_none>, + <2 RK_PA3 3 &pcfg_pull_none>; + }; + + sfc_bus2: sfc-bus2 { + rockchip,pins = + <2 RK_PA0 3 &pcfg_pull_none>, + <2 RK_PA1 3 &pcfg_pull_none>; + }; + + sfc_cs0: sfc-cs0 { + rockchip,pins = + <2 RK_PB4 3 &pcfg_pull_none>; + }; + + sfc_clk: sfc-clk { + rockchip,pins = + <2 RK_PB7 2 &pcfg_pull_none>; + }; + }; + gmac { rmii_pins: rmii-pins { rockchip,pins = <1 RK_PC5 2 &pcfg_pull_none>, From patchwork Wed Jun 9 14:13:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12310501 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1AB6EC48BCD for ; 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Wed, 09 Jun 2021 22:14:03 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <5651dec64cfa039366d22cf162226f94> X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Chris Morgan Subject: [PATCH v7 8/9] arm64: dts: rockchip: Add SFC to RK3308 Date: Wed, 9 Jun 2021 22:13:47 +0800 Message-Id: <20210609141348.19178-4-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609141348.19178-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> <20210609141348.19178-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_071413_170594_2B784903 X-CRM114-Status: GOOD ( 10.14 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Chris Morgan Add a devicetree entry for the Rockchip SFC for the RK3308 SOC. Signed-off-by: Chris Morgan Signed-off-by: Jon Lin --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None arch/arm64/boot/dts/rockchip/rk3308.dtsi | 37 ++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi index 0c5fa9801e6f..cb8d96235986 100644 --- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi @@ -637,6 +637,17 @@ status = "disabled"; }; + sfc: spi@ff4c0000 { + compatible = "rockchip,sfc"; + reg = <0x0 0xff4c0000 0x0 0x4000>; + interrupts = ; + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; + clock-names = "clk_sfc", "hclk_sfc"; + pinctrl-0 = <&sfc_clk &sfc_cs0 &sfc_bus4>; + pinctrl-names = "default"; + status = "disabled"; + }; + cru: clock-controller@ff500000 { compatible = "rockchip,rk3308-cru"; reg = <0x0 0xff500000 0x0 0x1000>; @@ -910,6 +921,32 @@ }; }; + sfc { + sfc_bus4: sfc-bus4 { + rockchip,pins = + <3 RK_PA0 3 &pcfg_pull_none>, + <3 RK_PA1 3 &pcfg_pull_none>, + <3 RK_PA2 3 &pcfg_pull_none>, + <3 RK_PA3 3 &pcfg_pull_none>; + }; + + sfc_bus2: sfc-bus2 { + rockchip,pins = + <3 RK_PA0 3 &pcfg_pull_none>, + <3 RK_PA1 3 &pcfg_pull_none>; + }; + + sfc_cs0: sfc-cs0 { + rockchip,pins = + <3 RK_PA4 3 &pcfg_pull_none>; + }; + + sfc_clk: sfc-clk { + rockchip,pins = + <3 RK_PA5 3 &pcfg_pull_none>; + }; + }; + gmac { rmii_pins: rmii-pins { rockchip,pins = From patchwork Wed Jun 9 14:13:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12310503 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B4F91C48BCF for ; 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Wed, 09 Jun 2021 22:14:04 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <01d169ac8a5294d6bfa7521f5b86bbb1> X-RL-SENDER: jon.lin@rock-chips.com X-SENDER: jon.lin@rock-chips.com X-LOGIN-NAME: jon.lin@rock-chips.com X-FST-TO: linux-spi@vger.kernel.org X-RCPT-COUNT: 20 X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Jon Lin To: linux-spi@vger.kernel.org Cc: jon.lin@rock-chips.com, broonie@kernel.org, robh+dt@kernel.org, heiko@sntech.de, jbx6244@gmail.com, hjc@rock-chips.com, yifeng.zhao@rock-chips.com, sugar.zhang@rock-chips.com, linux-rockchip@lists.infradead.org, linux-mtd@lists.infradead.org, p.yadav@ti.com, macroalpha82@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mturquette@baylibre.com, sboyd@kernel.org, linux-clk@vger.kernel.org, Chris Morgan Subject: [PATCH v7 9/9] arm64: dts: rockchip: Enable SFC for Odroid Go Advance Date: Wed, 9 Jun 2021 22:13:48 +0800 Message-Id: <20210609141348.19178-5-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609141348.19178-1-jon.lin@rock-chips.com> References: <20210609140412.16058-1-jon.lin@rock-chips.com> <20210609141348.19178-1-jon.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_071421_593365_9E1FFFEE X-CRM114-Status: GOOD ( 11.73 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Chris Morgan This enables the Rockchip Serial Flash Controller for the Odroid Go Advance. Note that while the attached SPI NOR flash and the controller both support quad read mode, only 2 of the required 4 pins are present. The rx and tx bus width is set to 2 for this reason. Signed-off-by: Chris Morgan Signed-off-by: Jon Lin --- Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: None Changes in v1: None .../boot/dts/rockchip/rk3326-odroid-go2.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts b/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts index 49c97f76df77..f78e11dd8447 100644 --- a/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts +++ b/arch/arm64/boot/dts/rockchip/rk3326-odroid-go2.dts @@ -484,6 +484,22 @@ status = "okay"; }; +&sfc { + pinctrl-0 = <&sfc_clk &sfc_cs0 &sfc_bus2>; + pinctrl-names = "default"; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <108000000>; + spi-rx-bus-width = <2>; + spi-tx-bus-width = <2>; + }; +}; + &tsadc { status = "okay"; };