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charset="utf-8" From: Peng Fan Add bindings for i.MX93 System Reset Controller(SRC). SRC supports resets and power gating for mixes. Signed-off-by: Peng Fan Reviewed-by: Rob Herring --- .../bindings/soc/imx/fsl,imx93-src.yaml | 96 +++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx93-src= .yaml diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml b= /Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml new file mode 100644 index 000000000000..c1cc69b51981 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-src.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/imx/fsl,imx93-src.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX93 System Reset Controller + +maintainers: + - Peng Fan + +description: | + The System Reset Controller (SRC) is responsible for the generation of + all the system reset signals and boot argument latching. + + Its main functions are as follows, + - Deals with all global system reset sources from other modules, + and generates global system reset. + - Responsible for power gating of MIXs (Slices) and their memory + low power control. + +properties: + compatible: + items: + - const: fsl,imx93-src + - const: syscon + + reg: + maxItems: 1 + + ranges: true + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + +patternProperties: + "power-domain@[0-9a-f]+$": + + type: object + properties: + compatible: + items: + - const: fsl,imx93-src-slice + + '#power-domain-cells': + const: 0 + + reg: + items: + - description: mix slice register region + - description: mem slice register region + + clocks: + description: | + A number of phandles to clocks that need to be enabled + during domain power-up sequencing to ensure reset + propagation into devices located inside this power domain. + minItems: 1 + maxItems: 5 + + required: + - compatible + - '#power-domain-cells' + - reg + +required: + - compatible + - reg + - ranges + - '#address-cells' + - '#size-cells' + +additionalProperties: false + +examples: + - | + #include + + system-controller@44460000 { + compatible =3D "fsl,imx93-src", "syscon"; + reg =3D <0x44460000 0x10000>; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges; + + mediamix: power-domain@0 { + compatible =3D "fsl,imx93-src-slice"; + reg =3D <0x44462400 0x400>, <0x44465800 0x400>; + #power-domain-cells =3D <0>; + clocks =3D <&clk IMX93_CLK_MEDIA_AXI>, + <&clk IMX93_CLK_MEDIA_APB>; + }; + }; --=20 2.25.1 From nobody Sat Apr 18 02:47:59 2026 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 B7121CCA486 for ; Tue, 19 Jul 2022 07:34:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236701AbiGSHe2 (ORCPT ); Tue, 19 Jul 2022 03:34:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236796AbiGSHeO (ORCPT ); Tue, 19 Jul 2022 03:34:14 -0400 Received: from EUR05-DB8-obe.outbound.protection.outlook.com (mail-db8eur05on2045.outbound.protection.outlook.com [40.107.20.45]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1E5132DB5; 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Tue, 19 Jul 2022 07:34:08 +0000 From: "Peng Fan (OSS)" To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, l.stach@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, p.zabel@pengutronix.de, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, aisheng.dong@nxp.com, Peng Fan , Krzysztof Kozlowski Subject: [PATCH V6 2/6] dt-bindings: soc: add i.MX93 mediamix blk ctrl Date: Tue, 19 Jul 2022 15:35:37 +0800 Message-Id: <20220719073541.197788-3-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220719073541.197788-1-peng.fan@oss.nxp.com> References: <20220719073541.197788-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2P153CA0053.APCP153.PROD.OUTLOOK.COM (2603:1096:4:c6::22) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ea8033af-1990-45fa-1710-08da6959111b X-MS-TrafficTypeDiagnostic: DB7PR04MB4298:EE_ X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="utf-8" From: Peng Fan Add DT bindings for i.MX93 MEDIAMIX BLK CTRL. Signed-off-by: Peng Fan Reviewed-by: Krzysztof Kozlowski --- .../soc/imx/fsl,imx93-media-blk-ctrl.yaml | 80 +++++++++++++++++++ include/dt-bindings/power/fsl,imx93-power.h | 15 ++++ 2 files changed, 95 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx93-med= ia-blk-ctrl.yaml create mode 100644 include/dt-bindings/power/fsl,imx93-power.h diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-= ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-c= trl.yaml new file mode 100644 index 000000000000..792ebecec22d --- /dev/null +++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.ya= ml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/imx/fsl,imx93-media-blk-ctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP i.MX93 Media blk-ctrl + +maintainers: + - Peng Fan + +description: + The i.MX93 MEDIAMIX domain contains control and status registers known + as MEDIAMIX Block Control (MEDIAMIX BLK_CTRL). These registers include + clocking, reset, and miscellaneous top-level controls for peripherals + within the MEDIAMIX domain + +properties: + compatible: + items: + - const: fsl,imx93-media-blk-ctrl + - const: syscon + + reg: + maxItems: 1 + + '#power-domain-cells': + const: 1 + + power-domains: + maxItems: 1 + + clocks: + maxItems: 10 + + clock-names: + items: + - const: apb + - const: axi + - const: nic + - const: disp + - const: cam + - const: pxp + - const: lcdif + - const: isi + - const: csi + - const: dsi + +required: + - compatible + - reg + - power-domains + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include + #include + + media_blk_ctrl: system-controller@4ac10000 { + compatible =3D "fsl,imx93-media-blk-ctrl", "syscon"; + reg =3D <0x4ac10000 0x10000>; + power-domains =3D <&mediamix>; + clocks =3D <&clk IMX93_CLK_MEDIA_APB>, + <&clk IMX93_CLK_MEDIA_AXI>, + <&clk IMX93_CLK_NIC_MEDIA_GATE>, + <&clk IMX93_CLK_MEDIA_DISP_PIX>, + <&clk IMX93_CLK_CAM_PIX>, + <&clk IMX93_CLK_PXP_GATE>, + <&clk IMX93_CLK_LCDIF_GATE>, + <&clk IMX93_CLK_ISI_GATE>, + <&clk IMX93_CLK_MIPI_CSI_GATE>, + <&clk IMX93_CLK_MIPI_DSI_GATE>; + clock-names =3D "apb", "axi", "nic", "disp", "cam", + "pxp", "lcdif", "isi", "csi", "dsi"; + #power-domain-cells =3D <1>; + }; diff --git a/include/dt-bindings/power/fsl,imx93-power.h b/include/dt-bindi= ngs/power/fsl,imx93-power.h new file mode 100644 index 000000000000..17f9f015bf7d --- /dev/null +++ b/include/dt-bindings/power/fsl,imx93-power.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Copyright 2022 NXP + */ + +#ifndef __DT_BINDINGS_IMX93_POWER_H__ +#define __DT_BINDINGS_IMX93_POWER_H__ + +#define IMX93_MEDIABLK_PD_MIPI_DSI 0 +#define IMX93_MEDIABLK_PD_MIPI_CSI 1 +#define IMX93_MEDIABLK_PD_PXP 2 +#define IMX93_MEDIABLK_PD_LCDIF 3 +#define IMX93_MEDIABLK_PD_ISI 4 + +#endif --=20 2.25.1 From nobody Sat Apr 18 02:47:59 2026 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 9867ECCA485 for ; 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charset="utf-8" From: Peng Fan Support controlling power domain managed by System Reset Controller(SRC). Current supported power domain is mediamix power domain. Signed-off-by: Peng Fan --- drivers/soc/imx/Kconfig | 8 ++ drivers/soc/imx/Makefile | 1 + drivers/soc/imx/imx93-pd.c | 163 ++++++++++++++++++++++++++++++++++++ drivers/soc/imx/imx93-src.c | 32 +++++++ 4 files changed, 204 insertions(+) create mode 100644 drivers/soc/imx/imx93-pd.c create mode 100644 drivers/soc/imx/imx93-src.c diff --git a/drivers/soc/imx/Kconfig b/drivers/soc/imx/Kconfig index a840494e849a..4b906791d6c7 100644 --- a/drivers/soc/imx/Kconfig +++ b/drivers/soc/imx/Kconfig @@ -20,4 +20,12 @@ config SOC_IMX8M support, it will provide the SoC info like SoC family, ID and revision etc. =20 +config SOC_IMX9 + tristate "i.MX9 SoC family support" + depends on ARCH_MXC || COMPILE_TEST + default ARCH_MXC && ARM64 + select SOC_BUS + help + If you say yes here, you get support for the NXP i.MX9 family + endmenu diff --git a/drivers/soc/imx/Makefile b/drivers/soc/imx/Makefile index 63cd29f6d4d2..a0baa2a01adb 100644 --- a/drivers/soc/imx/Makefile +++ b/drivers/soc/imx/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_IMX_GPCV2_PM_DOMAINS) +=3D gpcv2.o obj-$(CONFIG_SOC_IMX8M) +=3D soc-imx8m.o obj-$(CONFIG_SOC_IMX8M) +=3D imx8m-blk-ctrl.o obj-$(CONFIG_SOC_IMX8M) +=3D imx8mp-blk-ctrl.o +obj-$(CONFIG_SOC_IMX9) +=3D imx93-src.o imx93-pd.o diff --git a/drivers/soc/imx/imx93-pd.c b/drivers/soc/imx/imx93-pd.c new file mode 100644 index 000000000000..48437c303b78 --- /dev/null +++ b/drivers/soc/imx/imx93-pd.c @@ -0,0 +1,163 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2022 NXP + */ + +#include +#include +#include +#include +#include +#include +#include + +#define MIX_SLICE_SW_CTRL_OFF 0x20 +#define SLICE_SW_CTRL_PSW_CTRL_OFF_MASK BIT(4) +#define SLICE_SW_CTRL_PDN_SOFT_MASK BIT(31) + +#define MIX_FUNC_STAT_OFF 0xB4 + +#define FUNC_STAT_PSW_STAT_MASK BIT(0) +#define FUNC_STAT_RST_STAT_MASK BIT(2) +#define FUNC_STAT_ISO_STAT_MASK BIT(4) + +struct imx93_power_domain { + struct generic_pm_domain genpd; + struct device *dev; + void __iomem *addr; + struct clk_bulk_data *clks; + int num_clks; + bool init_off; +}; + +#define to_imx93_pd(_genpd) container_of(_genpd, struct imx93_power_domain= , genpd) + +static int imx93_pd_on(struct generic_pm_domain *genpd) +{ + struct imx93_power_domain *domain =3D to_imx93_pd(genpd); + void __iomem *addr =3D domain->addr; + u32 val; + int ret; + + ret =3D clk_bulk_prepare_enable(domain->num_clks, domain->clks); + if (ret) { + dev_err(domain->dev, "failed to enable clocks for domain: %s\n", genpd->= name); + return ret; + } + + val =3D readl(addr + MIX_SLICE_SW_CTRL_OFF); + val &=3D ~SLICE_SW_CTRL_PDN_SOFT_MASK; + writel(val, addr + MIX_SLICE_SW_CTRL_OFF); + + ret =3D readl_poll_timeout(addr + MIX_FUNC_STAT_OFF, val, + !(val & FUNC_STAT_ISO_STAT_MASK), 1, 10000); + if (ret) { + dev_err(domain->dev, "pd_on timeout: name: %s, stat: %x\n", genpd->name,= val); + return ret; + } + + return 0; +} + +static int imx93_pd_off(struct generic_pm_domain *genpd) +{ + struct imx93_power_domain *domain =3D to_imx93_pd(genpd); + void __iomem *addr =3D domain->addr; + int ret; + u32 val; + + /* Power off MIX */ + val =3D readl(addr + MIX_SLICE_SW_CTRL_OFF); + val |=3D SLICE_SW_CTRL_PDN_SOFT_MASK; + writel(val, addr + MIX_SLICE_SW_CTRL_OFF); + + ret =3D readl_poll_timeout(addr + MIX_FUNC_STAT_OFF, val, + val & FUNC_STAT_PSW_STAT_MASK, 1, 1000); + if (ret) { + dev_err(domain->dev, "pd_off timeout: name: %s, stat: %x\n", genpd->name= , val); + return ret; + } + + clk_bulk_disable_unprepare(domain->num_clks, domain->clks); + + return 0; +}; + +static int imx93_pd_remove(struct platform_device *pdev) +{ + struct imx93_power_domain *domain =3D platform_get_drvdata(pdev); + struct device *dev =3D &pdev->dev; + struct device_node *np =3D dev->of_node; + + if (!domain->init_off) + clk_bulk_disable_unprepare(domain->num_clks, domain->clks); + + of_genpd_del_provider(np); + pm_genpd_remove(&domain->genpd); + + return 0; +} + +static int imx93_pd_probe(struct platform_device *pdev) +{ + struct device *dev =3D &pdev->dev; + struct device_node *np =3D dev->of_node; + struct imx93_power_domain *domain; + int ret; + + domain =3D devm_kzalloc(dev, sizeof(*domain), GFP_KERNEL); + if (!domain) + return -ENOMEM; + domain->addr =3D devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(domain->addr)) + return PTR_ERR(domain->addr); + + + domain->num_clks =3D devm_clk_bulk_get_all(dev, &domain->clks); + if (domain->num_clks < 0) + return dev_err_probe(dev, domain->num_clks, "Failed to get domain's cloc= ks\n"); + + domain->genpd.name =3D dev_name(dev); + domain->genpd.power_off =3D imx93_pd_off; + domain->genpd.power_on =3D imx93_pd_on; + domain->dev =3D dev; + + domain->init_off =3D readl(domain->addr + MIX_FUNC_STAT_OFF) & FUNC_STAT_= ISO_STAT_MASK; + /* Just to sync the status of hardware */ + if (!domain->init_off) { + ret =3D clk_bulk_prepare_enable(domain->num_clks, domain->clks); + if (ret) { + dev_err(domain->dev, "failed to enable clocks for domain: %s\n", + domain->genpd.name); + return 0; + } + } + + ret =3D pm_genpd_init(&domain->genpd, NULL, domain->init_off); + if (ret) + return ret; + + platform_set_drvdata(pdev, domain); + + return of_genpd_add_provider_simple(np, &domain->genpd); +} + +static const struct of_device_id imx93_dt_ids[] =3D { + { .compatible =3D "fsl,imx93-src-slice" }, + { } +}; + +static struct platform_driver imx93_power_domain_driver =3D { + .driver =3D { + .name =3D "imx93_power_domain", + .owner =3D THIS_MODULE, + .of_match_table =3D imx93_dt_ids, + }, + .probe =3D imx93_pd_probe, + .remove =3D imx93_pd_remove, +}; +module_platform_driver(imx93_power_domain_driver); + +MODULE_AUTHOR("Peng Fan "); +MODULE_DESCRIPTION("NXP i.MX93 power domain driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/soc/imx/imx93-src.c b/drivers/soc/imx/imx93-src.c new file mode 100644 index 000000000000..6f14c241538e --- /dev/null +++ b/drivers/soc/imx/imx93-src.c @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2022 NXP + */ + +#include +#include +#include + +static int imx93_src_probe(struct platform_device *pdev) +{ + return devm_of_platform_populate(&pdev->dev); +} + +static const struct of_device_id imx93_dt_ids[] =3D { + { .compatible =3D "fsl,imx93-src" }, + { } +}; + +static struct platform_driver imx93_src_driver =3D { + .driver =3D { + .name =3D "imx93_src", + .owner =3D THIS_MODULE, + .of_match_table =3D imx93_dt_ids, + }, + .probe =3D imx93_src_probe, +}; +module_platform_driver(imx93_src_driver); + +MODULE_AUTHOR("Peng Fan "); +MODULE_DESCRIPTION("NXP i.MX93 src driver"); +MODULE_LICENSE("GPL"); --=20 2.25.1 From nobody Sat Apr 18 02:48:00 2026 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 385C4CCA481 for ; Tue, 19 Jul 2022 07:35:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235509AbiGSHe6 (ORCPT ); Tue, 19 Jul 2022 03:34:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236619AbiGSHeY (ORCPT ); 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Received: from DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) by DB7PR04MB4298.eurprd04.prod.outlook.com (2603:10a6:5:17::33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5438.23; Tue, 19 Jul 2022 07:34:17 +0000 Received: from DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::c0c2:ede7:3b85:1597]) by DU0PR04MB9417.eurprd04.prod.outlook.com ([fe80::c0c2:ede7:3b85:1597%3]) with mapi id 15.20.5438.023; Tue, 19 Jul 2022 07:34:17 +0000 From: "Peng Fan (OSS)" To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, l.stach@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, p.zabel@pengutronix.de, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, aisheng.dong@nxp.com, Peng Fan Subject: [PATCH V6 4/6] soc: imx: add i.MX93 media blk ctrl driver Date: Tue, 19 Jul 2022 15:35:39 +0800 Message-Id: <20220719073541.197788-5-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220719073541.197788-1-peng.fan@oss.nxp.com> References: <20220719073541.197788-1-peng.fan@oss.nxp.com> Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: SG2P153CA0053.APCP153.PROD.OUTLOOK.COM (2603:1096:4:c6::22) To DU0PR04MB9417.eurprd04.prod.outlook.com (2603:10a6:10:358::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a7890670-5963-4bcb-ffd7-08da69591627 X-MS-TrafficTypeDiagnostic: DB7PR04MB4298:EE_ X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="utf-8" From: Peng Fan Add i.MX93 mediamix blk ctrl support. Signed-off-by: Peng Fan --- drivers/soc/imx/Makefile | 2 +- drivers/soc/imx/imx93-blk-ctrl.c | 333 +++++++++++++++++++++++++++++++ 2 files changed, 334 insertions(+), 1 deletion(-) create mode 100644 drivers/soc/imx/imx93-blk-ctrl.c diff --git a/drivers/soc/imx/Makefile b/drivers/soc/imx/Makefile index a0baa2a01adb..754866e0a10d 100644 --- a/drivers/soc/imx/Makefile +++ b/drivers/soc/imx/Makefile @@ -7,4 +7,4 @@ obj-$(CONFIG_IMX_GPCV2_PM_DOMAINS) +=3D gpcv2.o obj-$(CONFIG_SOC_IMX8M) +=3D soc-imx8m.o obj-$(CONFIG_SOC_IMX8M) +=3D imx8m-blk-ctrl.o obj-$(CONFIG_SOC_IMX8M) +=3D imx8mp-blk-ctrl.o -obj-$(CONFIG_SOC_IMX9) +=3D imx93-src.o imx93-pd.o +obj-$(CONFIG_SOC_IMX9) +=3D imx93-src.o imx93-pd.o imx93-blk-ctrl.o diff --git a/drivers/soc/imx/imx93-blk-ctrl.c b/drivers/soc/imx/imx93-blk-c= trl.c new file mode 100644 index 000000000000..42be09688cf1 --- /dev/null +++ b/drivers/soc/imx/imx93-blk-ctrl.c @@ -0,0 +1,333 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/* + * Copyright 2022 NXP, Peng Fan + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#define BLK_SFT_RSTN 0x0 +#define BLK_CLK_EN 0x4 + +#define BLK_MAX_CLKS 4 + +struct imx93_blk_ctrl_domain; + +struct imx93_blk_ctrl { + struct device *dev; + struct regmap *regmap; + int num_clks; + struct clk_bulk_data clks[BLK_MAX_CLKS]; + struct imx93_blk_ctrl_domain *domains; + struct genpd_onecell_data onecell_data; +}; + +struct imx93_blk_ctrl_domain_data { + const char *name; + const char * const *clk_names; + int num_clks; + u32 rst_mask; + u32 clk_mask; + +}; + +#define DOMAIN_MAX_CLKS 4 + +struct imx93_blk_ctrl_domain { + struct generic_pm_domain genpd; + const struct imx93_blk_ctrl_domain_data *data; + struct clk_bulk_data clks[DOMAIN_MAX_CLKS]; + struct imx93_blk_ctrl *bc; +}; + +struct imx93_blk_ctrl_data { + int max_reg; + const struct imx93_blk_ctrl_domain_data *domains; + const struct imx93_blk_ctrl_domain_data *bus; + int num_domains; +}; + +static const struct imx93_blk_ctrl_domain_data imx93_media_blk_ctl_bus_dat= a =3D { + .clk_names =3D (const char *[]){ "axi", "apb", "nic", }, + .num_clks =3D 3, +}; + +static inline struct imx93_blk_ctrl_domain * +to_imx93_blk_ctrl_domain(struct generic_pm_domain *genpd) +{ + return container_of(genpd, struct imx93_blk_ctrl_domain, genpd); +} + +static int imx93_blk_ctrl_power_on(struct generic_pm_domain *genpd) +{ + struct imx93_blk_ctrl_domain *domain =3D to_imx93_blk_ctrl_domain(genpd); + const struct imx93_blk_ctrl_domain_data *data =3D domain->data; + struct imx93_blk_ctrl *bc =3D domain->bc; + int ret; + + ret =3D clk_bulk_prepare_enable(bc->num_clks, bc->clks); + if (ret) { + dev_err(bc->dev, "failed to enable bus clocks\n"); + return ret; + } + + ret =3D clk_bulk_prepare_enable(data->num_clks, domain->clks); + if (ret) { + dev_err(bc->dev, "failed to enable clocks\n"); + return ret; + } + + ret =3D pm_runtime_get_sync(bc->dev); + if (ret < 0) { + pm_runtime_put_noidle(bc->dev); + dev_err(bc->dev, "failed to power up domain\n"); + goto disable_clk; + } + + /* ungate clk */ + regmap_clear_bits(bc->regmap, BLK_CLK_EN, data->clk_mask); + + /* release reset */ + regmap_set_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask); + + dev_info(bc->dev, "pd_on: name: %s\n", genpd->name); + + return 0; + +disable_clk: + clk_bulk_disable_unprepare(data->num_clks, domain->clks); + + return ret; +} + +static int imx93_blk_ctrl_power_off(struct generic_pm_domain *genpd) +{ + struct imx93_blk_ctrl_domain *domain =3D to_imx93_blk_ctrl_domain(genpd); + const struct imx93_blk_ctrl_domain_data *data =3D domain->data; + struct imx93_blk_ctrl *bc =3D domain->bc; + + dev_info(bc->dev, "pd_off: name: %s\n", genpd->name); + + regmap_clear_bits(bc->regmap, BLK_SFT_RSTN, data->rst_mask); + regmap_set_bits(bc->regmap, BLK_CLK_EN, data->clk_mask); + + pm_runtime_put(bc->dev); + + clk_bulk_disable_unprepare(data->num_clks, domain->clks); + + clk_bulk_disable_unprepare(bc->num_clks, bc->clks); + + return 0; +} + +static struct generic_pm_domain * +imx93_blk_ctrl_xlate(struct of_phandle_args *args, void *data) +{ + struct genpd_onecell_data *onecell_data =3D data; + unsigned int index =3D args->args[0]; + + if (args->args_count !=3D 1 || + index >=3D onecell_data->num_domains) + return ERR_PTR(-EINVAL); + + return onecell_data->domains[index]; +} + +static int imx93_blk_ctrl_probe(struct platform_device *pdev) +{ + const struct imx93_blk_ctrl_data *bc_data; + struct device *dev =3D &pdev->dev; + struct imx93_blk_ctrl *bc; + void __iomem *base; + int i, ret; + const struct imx93_blk_ctrl_domain_data *bus; + + struct regmap_config regmap_config =3D { + .reg_bits =3D 32, + .val_bits =3D 32, + .reg_stride =3D 4, + }; + + bc =3D devm_kzalloc(dev, sizeof(*bc), GFP_KERNEL); + if (!bc) + return -ENOMEM; + + bc->dev =3D dev; + + bc_data =3D of_device_get_match_data(dev); + + base =3D devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(base)) + return PTR_ERR(base); + + regmap_config.max_register =3D bc_data->max_reg; + bc->regmap =3D devm_regmap_init_mmio(dev, base, ®map_config); + if (IS_ERR(bc->regmap)) + return dev_err_probe(dev, PTR_ERR(bc->regmap), + "failed to init regmap\n"); + + bc->domains =3D devm_kcalloc(dev, bc_data->num_domains + 1, + sizeof(struct imx93_blk_ctrl_domain), + GFP_KERNEL); + if (!bc->domains) + return -ENOMEM; + + bus =3D bc_data->bus; + + bc->onecell_data.num_domains =3D bc_data->num_domains; + bc->onecell_data.xlate =3D imx93_blk_ctrl_xlate; + bc->onecell_data.domains =3D + devm_kcalloc(dev, bc_data->num_domains, + sizeof(struct generic_pm_domain *), GFP_KERNEL); + if (!bc->onecell_data.domains) + return -ENOMEM; + + for (i =3D 0; i < bus->num_clks; i++) + bc->clks[i].id =3D bus->clk_names[i]; + bc->num_clks =3D bus->num_clks; + + ret =3D devm_clk_bulk_get(dev, bc->num_clks, bc->clks); + if (ret) { + dev_err_probe(dev, ret, "failed to get bus clock\n"); + return ret; + } + + for (i =3D 0; i < bc_data->num_domains; i++) { + const struct imx93_blk_ctrl_domain_data *data =3D &bc_data->domains[i]; + struct imx93_blk_ctrl_domain *domain =3D &bc->domains[i]; + int j; + + domain->data =3D data; + + for (j =3D 0; j < data->num_clks; j++) + domain->clks[j].id =3D data->clk_names[j]; + + ret =3D devm_clk_bulk_get(dev, data->num_clks, domain->clks); + if (ret) { + dev_err_probe(dev, ret, "failed to get clock\n"); + goto cleanup_pds; + } + + domain->genpd.name =3D data->name; + domain->genpd.power_on =3D imx93_blk_ctrl_power_on; + domain->genpd.power_off =3D imx93_blk_ctrl_power_off; + domain->bc =3D bc; + + ret =3D pm_genpd_init(&domain->genpd, NULL, true); + if (ret) { + dev_err_probe(dev, ret, "failed to init power domain\n"); + goto cleanup_pds; + } + + bc->onecell_data.domains[i] =3D &domain->genpd; + } + + pm_runtime_enable(dev); + + ret =3D of_genpd_add_provider_onecell(dev->of_node, &bc->onecell_data); + if (ret) { + dev_err_probe(dev, ret, "failed to add power domain provider\n"); + goto cleanup_pds; + } + + + dev_set_drvdata(dev, bc); + + return 0; + +cleanup_pds: + for (i--; i >=3D 0; i--) + pm_genpd_remove(&bc->domains[i].genpd); + + return ret; +} + +static int imx93_blk_ctrl_remove(struct platform_device *pdev) +{ + struct imx93_blk_ctrl *bc =3D dev_get_drvdata(&pdev->dev); + int i; + + of_genpd_del_provider(pdev->dev.of_node); + + for (i =3D 0; bc->onecell_data.num_domains; i++) { + struct imx93_blk_ctrl_domain *domain =3D &bc->domains[i]; + + pm_genpd_remove(&domain->genpd); + } + + return 0; +} + +static const struct imx93_blk_ctrl_domain_data imx93_media_blk_ctl_domain_= data[] =3D { + [IMX93_MEDIABLK_PD_MIPI_DSI] =3D { + .name =3D "mediablk-mipi-dsi", + .clk_names =3D (const char *[]){ "dsi" }, + .num_clks =3D 1, + .rst_mask =3D BIT(11) | BIT(12), + .clk_mask =3D BIT(11) | BIT(12), + }, + [IMX93_MEDIABLK_PD_MIPI_CSI] =3D { + .name =3D "mediablk-mipi-csi", + .clk_names =3D (const char *[]){ "cam", "csi" }, + .num_clks =3D 2, + .rst_mask =3D BIT(9) | BIT(10), + .clk_mask =3D BIT(9) | BIT(10), + }, + [IMX93_MEDIABLK_PD_PXP] =3D { + .name =3D "mediablk-pxp", + .clk_names =3D (const char *[]){ "pxp" }, + .num_clks =3D 1, + .rst_mask =3D BIT(7) | BIT(8), + .clk_mask =3D BIT(7) | BIT(8), + }, + [IMX93_MEDIABLK_PD_LCDIF] =3D { + .name =3D "mediablk-lcdif", + .clk_names =3D (const char *[]){ "disp", "lcdif" }, + .num_clks =3D 2, + .rst_mask =3D BIT(4) | BIT(5) | BIT(6), + .clk_mask =3D BIT(4) | BIT(5) | BIT(6), + }, + [IMX93_MEDIABLK_PD_ISI] =3D { + .name =3D "mediablk-isi", + .clk_names =3D (const char *[]){ "isi" }, + .num_clks =3D 1, + .rst_mask =3D BIT(2) | BIT(3), + .clk_mask =3D BIT(2) | BIT(3), + }, +}; + +static const struct imx93_blk_ctrl_data imx93_media_blk_ctl_dev_data =3D { + .max_reg =3D 0x90, + .domains =3D imx93_media_blk_ctl_domain_data, + .bus =3D &imx93_media_blk_ctl_bus_data, + .num_domains =3D ARRAY_SIZE(imx93_media_blk_ctl_domain_data), +}; + +static const struct of_device_id imx93_blk_ctrl_of_match[] =3D { + { + .compatible =3D "fsl,imx93-media-blk-ctrl", + .data =3D &imx93_media_blk_ctl_dev_data + }, { + /* Sentinel */ + } +}; +MODULE_DEVICE_TABLE(of, imx93_blk_ctrl_of_match); + +static struct platform_driver imx93_blk_ctrl_driver =3D { + .probe =3D imx93_blk_ctrl_probe, + .remove =3D imx93_blk_ctrl_remove, + .driver =3D { + .name =3D "imx93-blk-ctrl", + .of_match_table =3D imx93_blk_ctrl_of_match, + }, +}; +module_platform_driver(imx93_blk_ctrl_driver); --=20 2.25.1 From nobody Sat Apr 18 02:48:00 2026 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 5BBA8CCA486 for ; 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charset="utf-8" From: Peng Fan Add i.MX93 SRC node Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx93.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts= /freescale/imx93.dtsi index f83a07c7c9b1..883d38920db4 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -161,6 +161,22 @@ clk: clock-controller@44450000 { status =3D "okay"; }; =20 + src: system-controller@44460000 { + compatible =3D "fsl,imx93-src", "syscon"; + reg =3D <0x44460000 0x10000>; + #address-cells =3D <1>; + #size-cells =3D <1>; + ranges; + + mediamix: power-domain@8 { + compatible =3D "fsl,imx93-src-slice"; + reg =3D <0x44462400 0x400>, <0x44465800 0x400>; + #power-domain-cells =3D <0>; + clocks =3D <&clk IMX93_CLK_MEDIA_AXI>, + <&clk IMX93_CLK_MEDIA_APB>; + }; + }; + anatop: anatop@44480000 { compatible =3D "fsl,imx93-anatop", "syscon"; reg =3D <0x44480000 0x10000>; --=20 2.25.1 From nobody Sat Apr 18 02:48:00 2026 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 799AECCA48A for ; 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charset="utf-8" From: Peng Fan Add i.MX93 mediamix blk ctrl node Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/imx93.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi b/arch/arm64/boot/dts= /freescale/imx93.dtsi index 883d38920db4..7b93e5037a27 100644 --- a/arch/arm64/boot/dts/freescale/imx93.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi @@ -7,6 +7,7 @@ #include #include #include +#include =20 #include "imx93-pinfunc.h" =20 @@ -346,5 +347,25 @@ gpio1: gpio@47400080 { #interrupt-cells =3D <2>; gpio-ranges =3D <&iomuxc 0 0 32>; }; + + media_blk_ctrl: power-controller@4ac10000 { + compatible =3D "fsl,imx93-media-blk-ctrl", "syscon"; + reg =3D <0x4ac10000 0x10000>; + power-domains =3D <&mediamix>; + clocks =3D <&clk IMX93_CLK_MEDIA_APB>, + <&clk IMX93_CLK_MEDIA_AXI>, + <&clk IMX93_CLK_NIC_MEDIA_GATE>, + <&clk IMX93_CLK_MEDIA_DISP_PIX>, + <&clk IMX93_CLK_CAM_PIX>, + <&clk IMX93_CLK_PXP_GATE>, + <&clk IMX93_CLK_LCDIF_GATE>, + <&clk IMX93_CLK_ISI_GATE>, + <&clk IMX93_CLK_MIPI_CSI_GATE>, + <&clk IMX93_CLK_MIPI_DSI_GATE>; + clock-names =3D "apb", "axi", "nic", "disp", "cam", + "pxp", "lcdif", "isi", "csi", "dsi"; + #power-domain-cells =3D <1>; + status =3D "disabled"; + }; }; }; --=20 2.25.1