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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?A/nFab6R18GT4rjLma2b8952NRbASIyo91QMRNdLgnRizvCi2M7SCWwq5vWZ?= =?us-ascii?Q?wVYZEQvgfRTA+j629kADViHuXuZMzebFunNuoLkbxhiJoHiw2QeEy1xVHP73?= =?us-ascii?Q?Opwqn1KE2IlI40cCGtQWLSCyeFlCfCG6iEIyGjTdkzD1hGWHu5yiMXBpF+h+?= =?us-ascii?Q?8useQ8uyFAkGcO3suWycER+DaNhTCrO28Dl8K6F9cuROTaVrXfSbe7Sb9zHd?= =?us-ascii?Q?oERS2QYwZFj6PlNoeiJYPbYkLGzXzWWQRBRUPiffgYlz1P/PItH67z2hVMg3?= =?us-ascii?Q?e3mN74Ulrk25FgafOJLgHdoF/Gek4O4fvUs9mHSNUNIPsfhnMcd1mzdKrkjh?= =?us-ascii?Q?Ql7X1dn2GlsU18b95MIb99GjSW3PwDR4aw6WlKLMuPXi+dIxsahn6pcPCL4P?= =?us-ascii?Q?lx7Opva3dkEoM8PrREdC3JL59EtbI7ow8vhEioaAEtr2GWoEYqVDnYAHczjR?= =?us-ascii?Q?bqLbvVAXc6jFUx3DReqqPSK5r65ULJ96J2HzrPn6TjgczdisgZsVgplxm8fn?= =?us-ascii?Q?c7n03L8pa8t9R3B2TgzRWYzLLV/rjH9jqrlYlWPUbvpkRbVOTlI28TjiRFTA?= =?us-ascii?Q?vQPgvbBvfZ2xKlKCCnrSLGuVzlFXij6hnP3cStVWchEwKapr+eplXUufdctA?= =?us-ascii?Q?jg1YUgu/4+J35aUM+JhbPhzlg+YIt334clz7iWqARHhSWd+AGABYSBv6s4rI?= =?us-ascii?Q?Ae1vqDYLXX84vZXeb+1/85Br7tKSNWEAlf2R+sl2ri4Dbqk7BC0CC8qk4aCI?= =?us-ascii?Q?MIzcO50s1m2T/2/tn2KeTy8mSonFfzW+pnQU0qsA5zt9UASKcXu/V7oaFDjX?= =?us-ascii?Q?DyBcSebaElSlNthxLdvu76z+CNZeXziFWj8/xQDKGICHQaxPBZKhWZvejJqs?= =?us-ascii?Q?7gHoCrN723aAf5ahJcQmDjBRV7FOJ3KUQjMWaMap0E03gE6gxqWomdm7yZv3?= =?us-ascii?Q?47wISUcSCcmU5UJR+HVJ6V+NDaQHPNV7HvagEZXkVJ1xP/Jqmi3sxodavAyk?= =?us-ascii?Q?FyglNkw5LuE7YFsrkjqakLbWXynZkiSQVVqa2zRHm4FuxH4rkR9QT5QcDy1C?= =?us-ascii?Q?asXHqiCPI7ZVcGTxV6ayXSDA7IkEU9HlP0tLTYDcF35Ou9tjSAAcZfuCNNdr?= =?us-ascii?Q?uLxPq5tOlIwA4z2rnBR6Jcn1DHr1O6VnxHSpoW1fPZ/Md0uZoZv9h4mtAVYX?= =?us-ascii?Q?JRixkz1n08W9oL69hSYas6sgyBQRSDvXz8THzQ/8ZoWXY0YbkUbsx4VDfdiD?= =?us-ascii?Q?eyHnaiWN9KhuUY+zBBL/Xo0d6NOpVHXx0mrHLrDqQU9aM1b7KyhN2cR5xhI/?= =?us-ascii?Q?8B+Gxx4SMi1rm8r5pct6d8veJYRQRvQ3GJU+807hNNtMBKzdy7jP1wWnCsre?= =?us-ascii?Q?5AaCog3ywMBs55tplJx+iXnc7n8l8sQgmt/3G/AzTMqUuBLAUfpSh9noe69T?= =?us-ascii?Q?C6X+KjIp5rmvYjCi53LFNjBk1+Jg/GSWcAvdyamSn6JTK1Tvxmhom1Ko/3x3?= =?us-ascii?Q?LBzuyhUJoVuZHjEbuoV9KvkIC9oIcgO9rHff7tMRWL8GEuq3Pkbjmo17ygSS?= =?us-ascii?Q?+Y5ak57o4TWssiJTs11Fk5HE/q5Xyk1jw4XBEPdf?= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: e543a3e0-cb50-4442-0ef2-08ddb0095ac7 X-MS-Exchange-CrossTenant-AuthSource: PAXPR04MB9642.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jun 2025 14:47:18.2855 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: WVuY9DkCWsUoiSBSrPyhX8a+2aH5E17wh+4oVDfvVWAYV/lpRnRHhhUCGXBhf4Fy2UiNoM6K/5P4Ypygp20UKg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV2PR04MB11304 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250620_074723_723839_43D56024 X-CRM114-Status: GOOD ( 22.26 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Jun 20, 2025 at 10:25:37AM +0800, Liu Ying wrote: > commit b0a5cde57cf1 ("dt-bindings: mfd: Explain lack of child dependency > in simple-mfd") pointed out that it's a mistake for a child device of > a simple MFD device to depend on the simple MFD device's clock resources. > fsl,imx8qxp-csr.yaml happens to make that mistake. To fix that, remove > fsl,imx8qxp-csr.yaml and use "simple-pm-bus" and "syscon" as the CSR node's > compatible strings in the examples of fsl,imx8qxp-pixel-link-msi-bus.yaml > to replace the wrong compatible strings which include "simple-mfd" and > "fsl,imx8qxp-mipi-lvds-csr". Since fsl,imx8qxp-pixel-link-msi-bus.yaml > as the last user of the CSR compatible strings no longer uses them, it's > safe to remove the fsl,imx8qxp-csr.yaml binding documentation. > > Fixes: 9b2c55b5403f ("dt-bindings: mfd: Add i.MX8qm/qxp Control and Status Registers module binding") > Fixes: c08645ea215c ("dt-bindings: bus: Add Freescale i.MX8qxp pixel link MSI bus binding") > Signed-off-by: Liu Ying Reviewed-by: Frank Li > --- > v2: > * Mention it's safe to remove fsl,imx8qxp-csr.yaml in commit message. (Frank) > > .../bus/fsl,imx8qxp-pixel-link-msi-bus.yaml | 7 +- > .../bindings/mfd/fsl,imx8qxp-csr.yaml | 192 ------------------ > 2 files changed, 5 insertions(+), 194 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/mfd/fsl,imx8qxp-csr.yaml > > diff --git a/Documentation/devicetree/bindings/bus/fsl,imx8qxp-pixel-link-msi-bus.yaml b/Documentation/devicetree/bindings/bus/fsl,imx8qxp-pixel-link-msi-bus.yaml > index 7e1ffc551046..4adbb7afa889 100644 > --- a/Documentation/devicetree/bindings/bus/fsl,imx8qxp-pixel-link-msi-bus.yaml > +++ b/Documentation/devicetree/bindings/bus/fsl,imx8qxp-pixel-link-msi-bus.yaml > @@ -103,11 +103,14 @@ examples: > clock-names = "msi", "ahb"; > power-domains = <&pd IMX_SC_R_DC_0>; > > - syscon@56221000 { > - compatible = "fsl,imx8qxp-mipi-lvds-csr", "syscon", "simple-mfd"; > + bus@56221000 { > + compatible = "simple-pm-bus", "syscon"; > reg = <0x56221000 0x1000>; > clocks = <&mipi_lvds_0_di_mipi_lvds_regs_lpcg IMX_LPCG_CLK_4>; > clock-names = "ipg"; > + #address-cells = <1>; > + #size-cells = <1>; > + ranges; > > pxl2dpi { > compatible = "fsl,imx8qxp-pxl2dpi"; > diff --git a/Documentation/devicetree/bindings/mfd/fsl,imx8qxp-csr.yaml b/Documentation/devicetree/bindings/mfd/fsl,imx8qxp-csr.yaml > deleted file mode 100644 > index 20067002cc4a..000000000000 > --- a/Documentation/devicetree/bindings/mfd/fsl,imx8qxp-csr.yaml > +++ /dev/null > @@ -1,192 +0,0 @@ > -# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > -%YAML 1.2 > ---- > -$id: http://devicetree.org/schemas/mfd/fsl,imx8qxp-csr.yaml# > -$schema: http://devicetree.org/meta-schemas/core.yaml# > - > -title: Freescale i.MX8qm/qxp Control and Status Registers Module > - > -maintainers: > - - Liu Ying > - > -description: | > - As a system controller, the Freescale i.MX8qm/qxp Control and Status > - Registers(CSR) module represents a set of miscellaneous registers of a > - specific subsystem. It may provide control and/or status report interfaces > - to a mix of standalone hardware devices within that subsystem. One typical > - use-case is for some other nodes to acquire a reference to the syscon node > - by phandle, and the other typical use-case is that the operating system > - should consider all subnodes of the CSR module as separate child devices. > - > -properties: > - $nodename: > - pattern: "^syscon@[0-9a-f]+$" > - > - compatible: > - items: > - - enum: > - - fsl,imx8qxp-mipi-lvds-csr > - - fsl,imx8qm-lvds-csr > - - const: syscon > - - const: simple-mfd > - > - reg: > - maxItems: 1 > - > - clocks: > - maxItems: 1 > - > - clock-names: > - const: ipg > - > -patternProperties: > - "^(ldb|phy|pxl2dpi)$": > - type: object > - description: The possible child devices of the CSR module. > - > -required: > - - compatible > - - reg > - - clocks > - - clock-names > - > -allOf: > - - if: > - properties: > - compatible: > - contains: > - const: fsl,imx8qxp-mipi-lvds-csr > - then: > - required: > - - pxl2dpi > - - ldb > - > - - if: > - properties: > - compatible: > - contains: > - const: fsl,imx8qm-lvds-csr > - then: > - required: > - - phy > - - ldb > - > -additionalProperties: false > - > -examples: > - - | > - #include > - #include > - mipi_lvds_0_csr: syscon@56221000 { > - compatible = "fsl,imx8qxp-mipi-lvds-csr", "syscon", "simple-mfd"; > - reg = <0x56221000 0x1000>; > - clocks = <&mipi_lvds_0_di_mipi_lvds_regs_lpcg IMX_LPCG_CLK_4>; > - clock-names = "ipg"; > - > - mipi_lvds_0_pxl2dpi: pxl2dpi { > - compatible = "fsl,imx8qxp-pxl2dpi"; > - fsl,sc-resource = ; > - power-domains = <&pd IMX_SC_R_MIPI_0>; > - > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > - > - port@0 { > - #address-cells = <1>; > - #size-cells = <0>; > - reg = <0>; > - > - mipi_lvds_0_pxl2dpi_dc0_pixel_link0: endpoint@0 { > - reg = <0>; > - remote-endpoint = <&dc0_pixel_link0_mipi_lvds_0_pxl2dpi>; > - }; > - > - mipi_lvds_0_pxl2dpi_dc0_pixel_link1: endpoint@1 { > - reg = <1>; > - remote-endpoint = <&dc0_pixel_link1_mipi_lvds_0_pxl2dpi>; > - }; > - }; > - > - port@1 { > - #address-cells = <1>; > - #size-cells = <0>; > - reg = <1>; > - > - mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch0: endpoint@0 { > - reg = <0>; > - remote-endpoint = <&mipi_lvds_0_ldb_ch0_mipi_lvds_0_pxl2dpi>; > - }; > - > - mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch1: endpoint@1 { > - reg = <1>; > - remote-endpoint = <&mipi_lvds_0_ldb_ch1_mipi_lvds_0_pxl2dpi>; > - }; > - }; > - }; > - }; > - > - mipi_lvds_0_ldb: ldb { > - #address-cells = <1>; > - #size-cells = <0>; > - compatible = "fsl,imx8qxp-ldb"; > - clocks = <&clk IMX_SC_R_LVDS_0 IMX_SC_PM_CLK_MISC2>, > - <&clk IMX_SC_R_LVDS_0 IMX_SC_PM_CLK_BYPASS>; > - clock-names = "pixel", "bypass"; > - power-domains = <&pd IMX_SC_R_LVDS_0>; > - > - channel@0 { > - #address-cells = <1>; > - #size-cells = <0>; > - reg = <0>; > - phys = <&mipi_lvds_0_phy>; > - phy-names = "lvds_phy"; > - > - port@0 { > - reg = <0>; > - > - mipi_lvds_0_ldb_ch0_mipi_lvds_0_pxl2dpi: endpoint { > - remote-endpoint = <&mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch0>; > - }; > - }; > - > - port@1 { > - reg = <1>; > - > - /* ... */ > - }; > - }; > - > - channel@1 { > - #address-cells = <1>; > - #size-cells = <0>; > - reg = <1>; > - phys = <&mipi_lvds_0_phy>; > - phy-names = "lvds_phy"; > - > - port@0 { > - reg = <0>; > - > - mipi_lvds_0_ldb_ch1_mipi_lvds_0_pxl2dpi: endpoint { > - remote-endpoint = <&mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch1>; > - }; > - }; > - > - port@1 { > - reg = <1>; > - > - /* ... */ > - }; > - }; > - }; > - }; > - > - mipi_lvds_0_phy: phy@56228300 { > - compatible = "fsl,imx8qxp-mipi-dphy"; > - reg = <0x56228300 0x100>; > - clocks = <&clk IMX_SC_R_LVDS_0 IMX_SC_PM_CLK_PHY>; > - clock-names = "phy_ref"; > - #phy-cells = <0>; > - fsl,syscon = <&mipi_lvds_0_csr>; > - power-domains = <&pd IMX_SC_R_MIPI_0>; > - }; > -- > 2.34.1 >