From patchwork Fri Jun 2 08:49:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Qiu X-Patchwork-Id: 690126 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 76AC8C7EE2C for ; Fri, 2 Jun 2023 08:49:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234106AbjFBIt6 convert rfc822-to-8bit (ORCPT ); Fri, 2 Jun 2023 04:49:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48578 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234135AbjFBItc (ORCPT ); Fri, 2 Jun 2023 04:49:32 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA7C4E50; Fri, 2 Jun 2023 01:49:30 -0700 (PDT) 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 4EA04807D; Fri, 2 Jun 2023 16:49:28 +0800 (CST) Received: from EXMBX168.cuchost.com (172.16.6.78) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 2 Jun 2023 16:49:28 +0800 Received: from williamqiu-virtual-machine.starfivetech.com (171.223.208.138) by EXMBX168.cuchost.com (172.16.6.78) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 2 Jun 2023 16:49:27 +0800 From: William Qiu To: , , , CC: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Emil Renner Berthing , Ziv Xu , William Qiu Subject: [PATCH v2 1/3] dt-bindings: qspi: cdns,qspi-nor: Add clocks for StarFive JH7110 SoC Date: Fri, 2 Jun 2023 16:49:23 +0800 Message-ID: <20230602084925.215411-2-william.qiu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230602084925.215411-1-william.qiu@starfivetech.com> References: <20230602084925.215411-1-william.qiu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX168.cuchost.com (172.16.6.78) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.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. Other platforms do not have this constraint. Signed-off-by: William Qiu Reviewed-by: Hal Feng --- .../devicetree/bindings/spi/cdns,qspi-nor.yaml | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml index b310069762dd..b6a27171d965 100644 --- a/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml +++ b/Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml @@ -26,6 +26,15 @@ allOf: const: starfive,jh7110-qspi then: properties: + clocks: + maxItems: 3 + + clock-names: + items: + - const: ref_clk + - const: hclk + - const: pclk + resets: minItems: 2 maxItems: 3 @@ -38,6 +47,9 @@ allOf: else: properties: + clocks: + maxItems: 1 + resets: maxItems: 2 @@ -69,9 +81,6 @@ properties: interrupts: maxItems: 1 - clocks: - maxItems: 1 - cdns,fifo-depth: description: Size of the data FIFO in words. From patchwork Fri Jun 2 08:49:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Qiu X-Patchwork-Id: 688674 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 776ABC7EE2A for ; Fri, 2 Jun 2023 08:50:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234699AbjFBIt7 convert rfc822-to-8bit (ORCPT ); Fri, 2 Jun 2023 04:49:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234121AbjFBIte (ORCPT ); Fri, 2 Jun 2023 04:49:34 -0400 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B4131E51; Fri, 2 Jun 2023 01:49:31 -0700 (PDT) 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 1F96424E276; Fri, 2 Jun 2023 16:49:29 +0800 (CST) Received: from EXMBX168.cuchost.com (172.16.6.78) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 2 Jun 2023 16:49:29 +0800 Received: from williamqiu-virtual-machine.starfivetech.com (171.223.208.138) by EXMBX168.cuchost.com (172.16.6.78) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 2 Jun 2023 16:49:28 +0800 From: William Qiu To: , , , CC: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Emil Renner Berthing , Ziv Xu , William Qiu Subject: [PATCH v2 2/3] spi: cadence-quadspi: Add clock configuration for StarFive JH7110 QSPI Date: Fri, 2 Jun 2023 16:49:24 +0800 Message-ID: <20230602084925.215411-3-william.qiu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230602084925.215411-1-william.qiu@starfivetech.com> References: <20230602084925.215411-1-william.qiu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX168.cuchost.com (172.16.6.78) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Add QSPI clock operation in device probe. Signed-off-by: William Qiu Reviewed-by: Hal Feng --- drivers/spi/spi-cadence-quadspi.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 6ddb2dfc0f00..21788472c7fb 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -63,6 +63,8 @@ struct cqspi_st { struct platform_device *pdev; struct spi_master *master; struct clk *clk; + struct clk_bulk_data *clks; + unsigned int num_clks; unsigned int sclk; void __iomem *iobase; @@ -1715,6 +1717,16 @@ static int cqspi_probe(struct platform_device *pdev) } if (of_device_is_compatible(pdev->dev.of_node, "starfive,jh7110-qspi")) { + cqspi->num_clks = devm_clk_bulk_get_all(dev, &cqspi->clks); + if (cqspi->num_clks < 0) { + dev_err(dev, "Cannot claim clock: %u\n", cqspi->num_clks); + return -EINVAL; + } + + ret = clk_bulk_prepare_enable(cqspi->num_clks, cqspi->clks); + if (ret) + dev_err(dev, "Cannot enable clock clks\n"); + rstc_ref = devm_reset_control_get_optional_exclusive(dev, "rstc_ref"); if (IS_ERR(rstc_ref)) { ret = PTR_ERR(rstc_ref); @@ -1816,6 +1828,9 @@ static void cqspi_remove(struct platform_device *pdev) clk_disable_unprepare(cqspi->clk); + if (of_device_is_compatible(pdev->dev.of_node, "starfive,jh7110-qspi")) + clk_bulk_disable_unprepare(cqspi->num_clks, cqspi->clks); + pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); } @@ -1831,6 +1846,9 @@ static int cqspi_suspend(struct device *dev) clk_disable_unprepare(cqspi->clk); + if (of_device_is_compatible(dev->of_node, "starfive,jh7110-qspi")) + clk_bulk_disable_unprepare(cqspi->num_clks, cqspi->clks); + return ret; } @@ -1840,6 +1858,8 @@ static int cqspi_resume(struct device *dev) struct spi_master *master = dev_get_drvdata(dev); clk_prepare_enable(cqspi->clk); + if (of_device_is_compatible(dev->of_node, "starfive,jh7110-qspi")) + clk_bulk_prepare_enable(cqspi->num_clks, cqspi->clks); cqspi_wait_idle(cqspi); cqspi_controller_init(cqspi); From patchwork Fri Jun 2 08:49:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Qiu X-Patchwork-Id: 688673 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FB6AC77B7A for ; Fri, 2 Jun 2023 08:50:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234914AbjFBIuX convert rfc822-to-8bit (ORCPT ); Fri, 2 Jun 2023 04:50:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234963AbjFBItv (ORCPT ); Fri, 2 Jun 2023 04:49:51 -0400 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F3EBE1AE; Fri, 2 Jun 2023 01:49:49 -0700 (PDT) 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 74D7380C1; Fri, 2 Jun 2023 16:49:48 +0800 (CST) Received: from EXMBX168.cuchost.com (172.16.6.78) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 2 Jun 2023 16:49:48 +0800 Received: from williamqiu-virtual-machine.starfivetech.com (171.223.208.138) by EXMBX168.cuchost.com (172.16.6.78) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Fri, 2 Jun 2023 16:49:28 +0800 From: William Qiu To: , , , CC: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Emil Renner Berthing , Ziv Xu , William Qiu Subject: [PATCH v2 3/3] riscv: dts: starfive: Add QSPI controller node for StarFive JH7110 SoC Date: Fri, 2 Jun 2023 16:49:25 +0800 Message-ID: <20230602084925.215411-4-william.qiu@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230602084925.215411-1-william.qiu@starfivetech.com> References: <20230602084925.215411-1-william.qiu@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [171.223.208.138] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX168.cuchost.com (172.16.6.78) X-YovoleRuleAgent: yovoleflag Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.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 | 32 +++++++++++++++++++ arch/riscv/boot/dts/starfive/jh7110.dtsi | 18 +++++++++++ 2 files changed, 50 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 2a6d81609284..22212c1150f9 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi @@ -126,6 +126,38 @@ &i2c6 { status = "okay"; }; +&qspi { + #address-cells = <1>; + #size-cells = <0>; + + 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 0x20000>; + }; + uboot@100000 { + reg = <0x100000 0x300000>; + }; + data@f00000 { + reg = <0xf00000 0x100000>; + }; + }; + }; +}; + &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 4c5fdb905da8..e1a51e57a851 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -440,6 +440,24 @@ 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_clk", "hclk", "pclk"; + 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>; + }; + syscrg: clock-controller@13020000 { compatible = "starfive,jh7110-syscrg"; reg = <0x0 0x13020000 0x0 0x10000>;