From c2e322ae9f06be31ab5db1f29630f81469a37d75 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Sun, 27 Nov 2022 13:32:57 +0100
Subject: [PATCH] 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.

Acked-by: Lee Jones <lee@kernel.org>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Sriranjani P <sriranjani.p@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221127123259.20339-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@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 1b01bd0104316..b73ba1ea08f7d 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 0000000000000..68064a5e339cf
--- /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@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@10010000 {
+        compatible = "samsung,exynos4-sysreg", "syscon";
+        reg = <0x10010000 0x400>;
+    };
-- 
2.30.2