From patchwork Fri Aug 4 02:02:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Qiu X-Patchwork-Id: 13341108 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 1D60DC00528 for ; Fri, 4 Aug 2023 02:03:40 +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=ncBzqt8Poc6IC79QGA8alslRw4o6Nr5VjuXK+VoOCBU=; b=34uD47/FA9dEHG xmgSA2uMM48pxl6qRVbJvL1EgreUEWNcMfll7mijK78b5q0lPTDXVAn2vndFcXgPRzcnaVAiwc6Tg 1BEj5cxYODYkMLJrww8dWgz4+F1LoexgzbyAK/izcYeAKp0Avr6svol0Uk+b3VkcyLCfVLJwHdYpq rDDldzrZP+H2dyONzwwPBYoegiarsVfNvQA6jx90IMYx9uS4ZB/vErLYRXss0rTgLk2XVROcGAAQl BfJSTwOGezeFAcFt9j2uhKdoZRNl1WzIFScfBOTr/Uo4eW7/IkEtdDTWNQ+dZWEN5+QVR+7zJvy02 rpaKLsfuSi6SpqDEbSGg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRkAB-00BJzW-03; Fri, 04 Aug 2023 02:03:35 +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 1qRkA7-00BJxE-1E for linux-riscv@lists.infradead.org; Fri, 04 Aug 2023 02:03:33 +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 3EB2980DF; Fri, 4 Aug 2023 10:02:57 +0800 (CST) Received: from EXMBX068.cuchost.com (172.16.6.68) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 4 Aug 2023 10:02:56 +0800 Received: from williamqiu-virtual-machine.starfivetech.com (171.223.208.138) by EXMBX068.cuchost.com (172.16.6.68) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 4 Aug 2023 10:02:55 +0800 From: William Qiu To: , , , CC: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Emil Renner Berthing , Ziv Xu , William Qiu Subject: [PATCH v6 1/3] dt-bindings: qspi: cdns,qspi-nor: Add clocks for StarFive JH7110 SoC Date: Fri, 4 Aug 2023 10:02:52 +0800 Message-ID: <20230804020254.291239-2-william.qiu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230804020254.291239-1-william.qiu@starfivetech.com> References: <20230804020254.291239-1-william.qiu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS061.cuchost.com (172.16.6.21) To EXMBX068.cuchost.com (172.16.6.68) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230803_190331_607703_D959B570 X-CRM114-Status: GOOD ( 10.68 ) 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 The QSPI controller needs three clock items to work properly on StarFive JH7110 SoC, so there is need to change the maxItems's value to 3. Signed-off-by: William Qiu Reviewed-by: Hal Feng Reviewed-by: Conor Dooley --- .../devicetree/bindings/spi/cdns,qspi-nor.yaml | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml index 4f15f9a0cc34..cca81f89e252 100644 --- a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml +++ b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml @@ -86,7 +86,17 @@ properties: maxItems: 1 clocks: - maxItems: 1 + minItems: 1 + maxItems: 3 + + clock-names: + oneOf: + - items: + - const: ref + - items: + - const: ref + - const: ahb + - const: apb cdns,fifo-depth: description: From patchwork Fri Aug 4 02:02:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Qiu X-Patchwork-Id: 13341110 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 C06DFC0015E for ; Fri, 4 Aug 2023 02:03:44 +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=Cr6+pOqehn9VVuRFpQfbczpf0eSH0QxTpBo3ESnWhkU=; b=F4bUInLSzvrfeQ XTa6P0qLxZMc1Kkswl4JZ+OAqz/8+9Tt/Ri8MphsPWTEuCCt9BEN9C8cPOgsMoYtRKHoEx0thupu6 fMtaadCN7HNz6zNiP5C7Lc3vRc8sbJMNA5t6gmDm59FbLyA5tS3dRoW2BQWQL6LHVJVM9haLg/BmE W7LowP5SeVo0JaTw9oFikkl+QxTP0pUJwFZN2ripZrrmxljn2mGvZ94/aZs1hZ/EPlX3cfKkPh4Go qOS+Sv00t80lCzvNQN7YWXU7Cglpn8x81NdgXpglIq670K+s2hipawuC7k7/OfLhtWM9iZGL4Dyuq nhd5Bei7+F4ptTVEuM6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRkAE-00BK0e-0l; Fri, 04 Aug 2023 02:03:38 +0000 Received: from ex01.ufhost.com ([61.152.239.75]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRkAA-00BJy6-0g for linux-riscv@lists.infradead.org; Fri, 04 Aug 2023 02:03:36 +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 5724124DCFA; Fri, 4 Aug 2023 10:02:57 +0800 (CST) Received: from EXMBX068.cuchost.com (172.16.6.68) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 4 Aug 2023 10:02:57 +0800 Received: from williamqiu-virtual-machine.starfivetech.com (171.223.208.138) by EXMBX068.cuchost.com (172.16.6.68) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 4 Aug 2023 10:02:56 +0800 From: William Qiu To: , , , CC: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Emil Renner Berthing , Ziv Xu , William Qiu Subject: [PATCH v6 2/3] spi: cadence-quadspi: Add clock configuration for StarFive JH7110 QSPI Date: Fri, 4 Aug 2023 10:02:53 +0800 Message-ID: <20230804020254.291239-3-william.qiu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230804020254.291239-1-william.qiu@starfivetech.com> References: <20230804020254.291239-1-william.qiu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS061.cuchost.com (172.16.6.21) To EXMBX068.cuchost.com (172.16.6.68) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230803_190334_546537_8D6DE451 X-CRM114-Status: GOOD ( 17.99 ) 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 JH7110's clock initialization code to the driver. Signed-off-by: William Qiu Reviewed-by: Hal Feng --- drivers/spi/spi-cadence-quadspi.c | 67 +++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index abf10f92415d..16985e1fe610 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -47,6 +47,12 @@ #define CQSPI_OP_WIDTH(part) ((part).nbytes ? ilog2((part).buswidth) : 0) +enum { + CLK_QSPI_APB = 0, + CLK_QSPI_AHB, + CLK_QSPI_NUM, +}; + struct cqspi_st; struct cqspi_flash_pdata { @@ -64,6 +70,7 @@ struct cqspi_st { struct platform_device *pdev; struct spi_master *master; struct clk *clk; + struct clk *clks[CLK_QSPI_NUM]; unsigned int sclk; void __iomem *iobase; @@ -92,6 +99,8 @@ struct cqspi_st { bool wr_completion; bool slow_sram; bool apb_ahb_hazard; + + bool is_jh7110; /* Flag for StarFive JH7110 SoC */ }; struct cqspi_driver_platdata { @@ -100,6 +109,8 @@ struct cqspi_driver_platdata { int (*indirect_read_dma)(struct cqspi_flash_pdata *f_pdata, u_char *rxbuf, loff_t from_addr, size_t n_rx); u32 (*get_dma_status)(struct cqspi_st *cqspi); + int (*jh7110_clk_init)(struct platform_device *pdev, + struct cqspi_st *cqspi); }; /* Operation timeout value */ @@ -1630,6 +1641,51 @@ static int cqspi_setup_flash(struct cqspi_st *cqspi) return 0; } +static int cqspi_jh7110_clk_init(struct platform_device *pdev, struct cqspi_st *cqspi) +{ + static struct clk_bulk_data qspiclk[] = { + { .id = "apb" }, + { .id = "ahb" }, + }; + + int ret = 0; + + ret = devm_clk_bulk_get(&pdev->dev, ARRAY_SIZE(qspiclk), qspiclk); + if (ret) { + dev_err(&pdev->dev, "%s: failed to get qspi clocks\n", __func__); + return ret; + } + + cqspi->clks[CLK_QSPI_APB] = qspiclk[0].clk; + cqspi->clks[CLK_QSPI_AHB] = qspiclk[1].clk; + + ret = clk_prepare_enable(cqspi->clks[CLK_QSPI_APB]); + if (ret) { + dev_err(&pdev->dev, "%s: failed to enable CLK_QSPI_APB\n", __func__); + return ret; + } + + ret = clk_prepare_enable(cqspi->clks[CLK_QSPI_AHB]); + if (ret) { + dev_err(&pdev->dev, "%s: failed to enable CLK_QSPI_AHB\n", __func__); + goto disable_apb_clk; + } + + cqspi->is_jh7110 = true; + + return 0; + +disable_apb_clk: + clk_disable_unprepare(cqspi->clks[CLK_QSPI_APB]); + + return ret; +} + +static void cqspi_jh7110_disable_clk(struct platform_device *pdev, struct cqspi_st *cqspi) +{ + clk_disable_unprepare(cqspi->clks[CLK_QSPI_AHB]); + clk_disable_unprepare(cqspi->clks[CLK_QSPI_APB]); +} static int cqspi_probe(struct platform_device *pdev) { const struct cqspi_driver_platdata *ddata; @@ -1655,6 +1711,7 @@ static int cqspi_probe(struct platform_device *pdev) cqspi->pdev = pdev; cqspi->master = master; + cqspi->is_jh7110 = false; platform_set_drvdata(pdev, cqspi); /* Obtain configuration from OF. */ @@ -1766,6 +1823,12 @@ static int cqspi_probe(struct platform_device *pdev) if (ddata->quirks & CQSPI_NEEDS_APB_AHB_HAZARD_WAR) cqspi->apb_ahb_hazard = true; + if (ddata->jh7110_clk_init) { + ret = cqspi_jh7110_clk_init(pdev, cqspi); + if (ret) + goto probe_clk_failed; + } + if (of_device_is_compatible(pdev->dev.of_node, "xlnx,versal-ospi-1.0")) { ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); @@ -1830,6 +1893,9 @@ static void cqspi_remove(struct platform_device *pdev) clk_disable_unprepare(cqspi->clk); + if (cqspi->is_jh7110) + cqspi_jh7110_disable_clk(pdev, cqspi); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); } @@ -1897,6 +1963,7 @@ static const struct cqspi_driver_platdata versal_ospi = { static const struct cqspi_driver_platdata jh7110_qspi = { .quirks = CQSPI_DISABLE_DAC_MODE, + .jh7110_clk_init = cqspi_jh7110_clk_init, }; static const struct cqspi_driver_platdata pensando_cdns_qspi = { From patchwork Fri Aug 4 02:02:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Qiu X-Patchwork-Id: 13341109 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 A5865EB64DD for ; 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Fri, 04 Aug 2023 02:03:36 +0000 Received: from ex01.ufhost.com ([61.152.239.75]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qRkAA-00BJy5-0g for linux-riscv@lists.infradead.org; Fri, 04 Aug 2023 02:03:35 +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 ex01.ufhost.com (Postfix) with ESMTP id 041E724E188; Fri, 4 Aug 2023 10:02:58 +0800 (CST) Received: from EXMBX068.cuchost.com (172.16.6.68) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 4 Aug 2023 10:02:58 +0800 Received: from williamqiu-virtual-machine.starfivetech.com (171.223.208.138) by EXMBX068.cuchost.com (172.16.6.68) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 4 Aug 2023 10:02:57 +0800 From: William Qiu To: , , , CC: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Emil Renner Berthing , Ziv Xu , William Qiu Subject: [PATCH v6 3/3] riscv: dts: starfive: Add QSPI controller node for StarFive JH7110 SoC Date: Fri, 4 Aug 2023 10:02:54 +0800 Message-ID: <20230804020254.291239-4-william.qiu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230804020254.291239-1-william.qiu@starfivetech.com> References: <20230804020254.291239-1-william.qiu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS061.cuchost.com (172.16.6.21) To EXMBX068.cuchost.com (172.16.6.68) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230803_190334_545278_309D301F X-CRM114-Status: UNSURE ( 9.15 ) 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 the quad spi controller node for the StarFive JH7110 SoC. Co-developed-by: Ziv Xu Signed-off-by: Ziv Xu Signed-off-by: William Qiu Reviewed-by: Hal Feng --- .../jh7110-starfive-visionfive-2.dtsi | 36 +++++++++++++++++++ arch/riscv/boot/dts/starfive/jh7110.dtsi | 19 ++++++++++ 2 files changed, 55 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi index fa0061eb33a7..7f2d41ccc52d 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi @@ -143,6 +143,42 @@ &i2c6 { status = "okay"; }; +&qspi { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + nor_flash: flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + cdns,read-delay = <5>; + spi-max-frequency = <12000000>; + cdns,tshsl-ns = <1>; + cdns,tsd2d-ns = <1>; + cdns,tchsh-ns = <1>; + cdns,tslch-ns = <1>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + spl@0 { + reg = <0x0 0x80000>; + }; + uboot-env@f0000 { + reg = <0xf0000 0x10000>; + }; + uboot@100000 { + reg = <0x100000 0x400000>; + }; + reserved-data@600000 { + reg = <0x600000 0x1000000>; + }; + }; + }; +}; + &sysgpio { i2c0_pins: i2c0-0 { i2c-pins { diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi index ec2e70011a73..9740adc9df4e 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -473,6 +473,25 @@ i2c6: i2c@12060000 { status = "disabled"; }; + qspi: spi@13010000 { + compatible = "starfive,jh7110-qspi", "cdns,qspi-nor"; + reg = <0x0 0x13010000 0x0 0x10000>, + <0x0 0x21000000 0x0 0x400000>; + interrupts = <25>; + clocks = <&syscrg JH7110_SYSCLK_QSPI_REF>, + <&syscrg JH7110_SYSCLK_QSPI_AHB>, + <&syscrg JH7110_SYSCLK_QSPI_APB>; + clock-names = "ref", "ahb", "apb"; + resets = <&syscrg JH7110_SYSRST_QSPI_APB>, + <&syscrg JH7110_SYSRST_QSPI_AHB>, + <&syscrg JH7110_SYSRST_QSPI_REF>; + reset-names = "qspi", "qspi-ocp", "rstc_ref"; + cdns,fifo-depth = <256>; + cdns,fifo-width = <4>; + cdns,trigger-address = <0x0>; + status = "disabled"; + }; + syscrg: clock-controller@13020000 { compatible = "starfive,jh7110-syscrg"; reg = <0x0 0x13020000 0x0 0x10000>;