dt-bindings: clock: samsung: convert Exynos4 to dtschema

Merge Exynos4210 and Exynos4412 clock controller bindings to existing DT
schema.

Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>

Author: krzk

Documentation/devicetree/bindings/clock/exynos4-clock.txt

@@ -23,6 +23,8 @@ properties:
           - samsung,exynos3250-cmu
           - samsung,exynos3250-cmu-dmc
           - samsung,exynos3250-cmu-isp
+          - samsung,exynos4210-clock
+          - samsung,exynos4412-clock
           - samsung,exynos5250-clock
       - items:
           - enum:
@@ -31,6 +33,7 @@ properties:
           - const: syscon
 
   clocks:
+    minItems: 1
     maxItems: 4
 
   "#clock-cells":

Documentation/devicetree/bindings/clock/samsung,exynos-clock.yaml

@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/samsung,exynos4412-isp-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung Exynos4412 SoC ISP clock controller
+
+maintainers:
+  - Chanwoo Choi <[email protected]>
+  - Krzysztof Kozlowski <[email protected]>
+  - Sylwester Nawrocki <[email protected]>
+  - Tomasz Figa <[email protected]>
+
+description: |
+  Clock controller for Samsung Exynos4412 SoC FIMC-ISP (Camera ISP)
+  All available clocks are defined as preprocessor macros in
+  dt-bindings/clock/ headers.
+
+properties:
+  compatible:
+    const: samsung,exynos4412-isp-clock
+
+  clocks:
+    items:
+      - description: CLK_ACLK200 from the main clock controller
+      - description: CLK_ACLK400_MCUISP from the main clock controller
+
+  clock-names:
+    items:
+      - const: aclk200
+      - const: aclk400_mcuisp
+
+  "#clock-cells":
+    const: 1
+
+  power-domains:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - "#clock-cells"
+  - clocks
+  - clock-names
+  - power-domains
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/exynos4412.h>
+    clock-controller@10048000 {
+        compatible = "samsung,exynos4412-isp-clock";
+        reg = <0x10048000 0x1000>;
+        #clock-cells = <1>;
+        power-domains = <&pd_isp>;
+        clocks = <&clock CLK_ACLK200>, <&clock CLK_ACLK400_MCUISP>;
+        clock-names = "aclk200", "aclk400_mcuisp";
+    };
+