[PATCH v2 1/5] dt-bindings: soc: ti: am62-system-controller: add AM62 syscon

[Krzysztof Kozlowski]

Add dedicated binding for AM62 and AM62A wakeup system controller
registers, already used in the DTS to properly describe their children.

Reviewed-by: Conor Dooley <conor.dooley at microchip.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
 .../bindings/soc/ti/ti,am62-system-controller.yaml | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/ti/ti,am62-system-controller.yaml b/Documentation/devicetree/bindings/soc/ti/ti,am62-system-controller.yaml
new file mode 100644
index 000000000000..0cea0de5716a
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/ti/ti,am62-system-controller.yaml
@@ -0,0 +1,77 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/ti/ti,am62-system-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TI AM62 System Controller Registers
+
+maintainers:
+  - Kishon Vijay Abraham I <kishon at kernel.org>
+  - Roger Quadros <rogerq at kernel.org>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - ti,am62-system-controller
+          - ti,am62a-system-controller
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 1
+
+  ranges: true
+
+patternProperties:
+  "^chipid@[0-9a-f]+$":
+    type: object
+    $ref: /schemas/hwinfo/ti,k3-socinfo.yaml#
+
+  "^syscon@[0-9a-f]+$":
+    type: object
+    $ref: /schemas/mfd/syscon.yaml#
+    unevaluatedProperties: false
+    properties:
+      compatible:
+        items:
+          - const: ti,am62-usb-phy-ctrl
+          - const: syscon
+
+required:
+  - compatible
+  - reg
+  - "#address-cells"
+  - "#size-cells"
+  - ranges
+
+additionalProperties: false
+
+examples:
+  - |
+    syscon at 43000000 {
+        compatible = "ti,am62-system-controller", "syscon", "simple-mfd";
+        reg = <0x43000000 0x20000>;
+        bootph-all;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges = <0x0 0x43000000 0x20000>;
+
+        chipid at 14 {
+            compatible = "ti,am654-chipid";
+            reg = <0x14 0x4>;
+            bootph-all;
+        };
+
+        syscon at 4008 {
+            compatible = "ti,am62-usb-phy-ctrl", "syscon";
+            reg = <0x4008 0x4>;
+        };
+    };

-- 
2.43.0