[PATCH 2/5] dt-bindings: soc: ti: am645-system-controller: add AM654 syscon

[Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>]

Add dedicated binding for the AM654 MCU SCM system controller registers,
already used in the DTS to properly describe its children.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 .../soc/ti/ti,am654-system-controller.yaml         | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/ti/ti,am654-system-controller.yaml b/Documentation/devicetree/bindings/soc/ti/ti,am654-system-controller.yaml
new file mode 100644
index 000000000000..e79803e586ca
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/ti/ti,am654-system-controller.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/ti/ti,am654-system-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI AM654 System Controller Registers R/W
+
+maintainers:
+  - Kishon Vijay Abraham I <kishon@ti.com>
+  - Roger Quadros <rogerq@kernel.org>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - ti,am654-system-controller
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+  ranges: true
+
+patternProperties:
+  "^phy@[0-9a-f]+$":
+    type: object
+    $ref: /schemas/phy/ti,phy-gmii-sel.yaml#
+
+required:
+  - compatible
+  - reg
+  - "#address-cells"
+  - "#size-cells"
+  - ranges
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon@40f00000 {
+        compatible = "ti,am654-system-controller", "syscon", "simple-mfd";
+        reg = <0x40f00000 0x20000>;
+        ranges = <0x0 0x40f00000 0x20000>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        phy@4040 {
+            compatible = "ti,am654-phy-gmii-sel";
+            reg = <0x4040 0x4>;
+            #phy-cells = <1>;
+        };
+    };

-- 
2.43.0