linux-kernel - [PATCH 1/5] dt-bindings: soc: imx: add IOMUXC GPR support

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Date:   Fri, 23 Dec 2022 10:56:59 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, Peng Fan <peng.fan@....com>
Subject: [PATCH 1/5] dt-bindings: soc: imx: add IOMUXC GPR support

From: Peng Fan <peng.fan@....com>

Add binding doc for i.MX IOMUX Controller General Purpose Registers

Signed-off-by: Peng Fan <peng.fan@....com>
---
 .../bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml  | 57 +++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml

diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml
new file mode 100644
index 000000000000..1da1b758b4ae
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx-iomuxc-gpr.yaml
@@ -0,0 +1,57 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/imx/fsl,imx-iomuxc-gpr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale IOMUX Controller General Purpose Registers
+
+maintainers:
+  - Peng Fan <peng.fan@....com>
+
+description:
+  i.MX Processors have an IOMUXC General Purpose Register group for
+  various System Settings
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - const: fsl,imx8mq-iomuxc-gpr
+          - const: syscon
+          - const: simple-mfd
+      - items:
+          - enum:
+              - fsl,imx8mm-iomuxc-gpr
+              - fsl,imx8mn-iomuxc-gpr
+              - fsl,imx8mp-iomuxc-gpr
+          - const: syscon
+
+  reg:
+    maxItems: 1
+
+  mux-controller:
+    type: object
+    $ref: /schemas/mux/reg-mux.yaml
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  # Pinmux controller node
+  - |
+    iomuxc_gpr: syscon@...40000 {
+        compatible = "fsl,imx8mq-iomuxc-gpr", "syscon", "simple-mfd";
+        reg = <0x30340000 0x10000>;
+
+        mux: mux-controller {
+            compatible = "mmio-mux";
+            #mux-control-cells = <1>;
+            mux-reg-masks = <0x34 0x00000004>; /* MIPI_MUX_SEL */
+        };
+    };
+
+...
-- 
2.37.1