[PATCH 11/17] ASoC: dt-bindings: samsung-i2s: add specific compatibles for existing SoC

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Samsung Exynos SoC reuses several devices from older designs, thus
historically we kept the old (block's) compatible only.  This works fine
and there is no bug here, however guidelines expressed in
Documentation/devicetree/bindings/writing-bindings.rst state that:
1. Compatibles should be specific.
2. We should add new compatibles in case of bugs or features.

Add compatibles specific to each SoC in front of all old-SoC-like
compatibles.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>

---

I propose to take the patch through Samsung SoC (me). See cover letter
for explanation.
---
 .../mfd/samsung,exynos5433-lpass.yaml         |  2 +-
 .../bindings/sound/samsung-i2s.yaml           | 19 ++++++++++++-------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.yaml b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.yaml
index b97b06848729..f154103f32cc 100644
--- a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.yaml
+++ b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.yaml
@@ -85,7 +85,7 @@ examples:
         };
 
         i2s@11440000 {
-            compatible = "samsung,exynos7-i2s";
+            compatible = "samsung,exynos5433-i2s", "samsung,exynos7-i2s";
             reg = <0x11440000 0x100>;
             dmas = <&adma 0>, <&adma 2>;
             dma-names = "tx", "rx";
diff --git a/Documentation/devicetree/bindings/sound/samsung-i2s.yaml b/Documentation/devicetree/bindings/sound/samsung-i2s.yaml
index 30b3b6e9824b..f45f73b5056d 100644
--- a/Documentation/devicetree/bindings/sound/samsung-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/samsung-i2s.yaml
@@ -44,13 +44,18 @@ properties:
       frequencies supported by Exynos7 I2S and 7.1 channel TDM support
       for playback and capture TDM (Time division multiplexing) to allow
       transfer of multiple channel audio data on single data line.
-    enum:
-      - samsung,s3c6410-i2s
-      - samsung,s5pv210-i2s
-      - samsung,exynos5420-i2s
-      - samsung,exynos7-i2s
-      - samsung,exynos7-i2s1
-      - tesla,fsd-i2s
+    oneOf:
+      - enum:
+          - samsung,s3c6410-i2s
+          - samsung,s5pv210-i2s
+          - samsung,exynos5420-i2s
+          - samsung,exynos7-i2s
+          - samsung,exynos7-i2s1
+          - tesla,fsd-i2s
+      - items:
+          - enum:
+              - samsung,exynos5433-i2s
+          - const: samsung,exynos7-i2s
 
   '#address-cells':
     const: 1
-- 
2.34.1




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