[PATCH V2 1/5] dt-bindings: soc: imx: add IOMUXC GPR support

From: Peng Fan (OSS)
Date: Tue Jan 03 2023 - 19:24:45 EST


From: Peng Fan <peng.fan@xxxxxxx>

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

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
---
.../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@xxxxxxx>
+
+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@30340000 {
+ 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