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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sat, 18 May 2024 22:07:16 +0200
Subject: [PATCH 1/5] dt-bindings: soc: ti: am62-system-controller: add AM62
 syscon
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Message-Id: <20240518-dt-bindings-ti-soc-mfd-v1-1-b3952f104c9a@linaro.org>
References: <20240518-dt-bindings-ti-soc-mfd-v1-0-b3952f104c9a@linaro.org>
In-Reply-To: <20240518-dt-bindings-ti-soc-mfd-v1-0-b3952f104c9a@linaro.org>
To: Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, 
 Kishon Vijay Abraham I <kishon@kernel.org>, 
 Roger Quadros <rogerq@kernel.org>, Nishanth Menon <nm@ti.com>, 
 Vignesh Raghavendra <vigneshr@ti.com>, Tero Kristo <kristo@kernel.org>
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, 
 linux-arm-kernel@lists.infradead.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

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

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@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..d3bd67717999
--- /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 R/W
+
+maintainers:
+  - Kishon Vijay Abraham I <kishon@ti.com>
+  - Roger Quadros <rogerq@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@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@14 {
+            compatible = "ti,am654-chipid";
+            reg = <0x14 0x4>;
+            bootph-all;
+        };
+
+        syscon@4008 {
+            compatible = "ti,am62-usb-phy-ctrl", "syscon";
+            reg = <0x4008 0x4>;
+        };
+    };

-- 
2.43.0