linux-kernel - [PATCH v2 1/2] dt-bindings: arm: sti: add STi platform syscon

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Message-Id: <20230212205107.8073-2-avolmat@me.com>
Date:   Sun, 12 Feb 2023 21:51:06 +0100
From:   Alain Volmat <avolmat@...com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Patrice Chotard <patrice.chotard@...s.st.com>
Cc:     Alain Volmat <avolmat@...com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] dt-bindings: arm: sti: add STi platform syscon

Add DT schema of STi platform syscon

Signed-off-by: Alain Volmat <avolmat@...com>
---
v2: update wording of commit log
    reorder compatible enum
    update example within the binding file

 .../bindings/soc/sti/st,sti-syscon.yaml       | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/sti/st,sti-syscon.yaml

diff --git a/Documentation/devicetree/bindings/soc/sti/st,sti-syscon.yaml b/Documentation/devicetree/bindings/soc/sti/st,sti-syscon.yaml
new file mode 100644
index 000000000000..5f97d9ff17fb
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/sti/st,sti-syscon.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/sti/st,sti-syscon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: STMicroelectronics STi platform sysconfig
+
+maintainers:
+  - Patrice Chotard <patrice.chotard@...s.st.com>
+
+description: |
+  Binding for the various sysconfig nodes used within the STi
+  platform device-tree to point to some common configuration
+  registers used by other nodes.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - st,stih407-core-syscfg
+          - st,stih407-flash-syscfg
+          - st,stih407-front-syscfg
+          - st,stih407-lpm-syscfg
+          - st,stih407-rear-syscfg
+          - st,stih407-sbc-reg-syscfg
+          - st,stih407-sbc-syscfg
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    syscfg_sbc: syscon@...0000 {
+        compatible = "st,stih407-sbc-syscfg", "syscon";
+        reg = <0x9620000 0x1000>;
+    };
+
+...
-- 
2.34.1