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

[Krzysztof Kozlowski]

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 at linaro.org>
Acked-by: Lee Jones <lee at kernel.org>
Reviewed-by: Sam Protsenko <semen.protsenko at linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar at samsung.com>
Reviewed-by: Sriranjani P <sriranjani.p at samsung.com>

---

Changes since v1:
1. Add Rb tags.

Cc: Sriranjani P <sriranjani.p at samsung.com>
Cc: Chanho Park <chanho61.park at samsung.com>
Cc: Sam Protsenko <semen.protsenko at linaro.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 at kernel.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 at 10010000 {
+        compatible = "samsung,exynos4-sysreg", "syscon";
+        reg = <0x10010000 0x400>;
+    };
-- 
2.34.1