linux-kernel - [PATCH v2 2/4] dt-bindings: soc: samsung: exynos-sysreg: split from syscon

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Date:   Sun, 27 Nov 2022 13:32:57 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Sam Protsenko <semen.protsenko@...aro.org>,
        Sriranjani P <sriranjani.p@...sung.com>,
        Chanho Park <chanho61.park@...sung.com>
Subject: [PATCH v2 2/4] dt-bindings: soc: samsung: exynos-sysreg: split from syscon

Split Samsung Exynos SoC SYSREG bindings to own file to narrow the
bindings and do not allow other parts of syscon.yaml.  This allows
further customization of Samsung SoC bindings.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Acked-by: Lee Jones <lee@...nel.org>
Reviewed-by: Sam Protsenko <semen.protsenko@...aro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>
Reviewed-by: Sriranjani P <sriranjani.p@...sung.com>

---

Changes since v1:
1. Add Rb tags.

Cc: Sriranjani P <sriranjani.p@...sung.com>
Cc: Chanho Park <chanho61.park@...sung.com>
Cc: Sam Protsenko <semen.protsenko@...aro.org>
---
 .../devicetree/bindings/mfd/syscon.yaml       |  6 ---
 .../soc/samsung/samsung,exynos-sysreg.yaml    | 39 +++++++++++++++++++
 2 files changed, 39 insertions(+), 6 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 1b01bd010431..b73ba1ea08f7 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -64,12 +64,6 @@ properties:
               - rockchip,rk3568-qos
               - rockchip,rk3588-qos
               - rockchip,rv1126-qos
-              - samsung,exynos3-sysreg
-              - samsung,exynos4-sysreg
-              - samsung,exynos5-sysreg
-              - samsung,exynos5433-sysreg
-              - samsung,exynos850-sysreg
-              - samsung,exynosautov9-sysreg
 
           - const: syscon
 
diff --git a/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml b/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml
new file mode 100644
index 000000000000..68064a5e339c
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/samsung/samsung,exynos-sysreg.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/samsung/samsung,exynos-sysreg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung Exynos SoC series System Registers (SYSREG)
+
+maintainers:
+  - Krzysztof Kozlowski <krzk@...nel.org>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - samsung,exynos3-sysreg
+              - samsung,exynos4-sysreg
+              - samsung,exynos5-sysreg
+              - samsung,exynos5433-sysreg
+              - samsung,exynos850-sysreg
+              - samsung,exynosautov9-sysreg
+          - const: syscon
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    system-controller@...10000 {
+        compatible = "samsung,exynos4-sysreg", "syscon";
+        reg = <0x10010000 0x400>;
+    };
-- 
2.34.1