linux-kernel - [PATCH 2/4] dt-bindings: media: amlogic,gx-vdec: add bindings for G12A family

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Date:   Wed, 20 Nov 2019 12:14:28 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     mjourdan@...libre.com, devicetree@...r.kernel.org
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        linux-media@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] dt-bindings: media: amlogic,gx-vdec: add bindings for G12A family

Add bindings to support the Amlogic Video Decoder on the Amlogic G12A
family.

For the G12A family, a supplementary clock is needed to operate the
HEVC/VP9 decoder.

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 .../bindings/media/amlogic,gx-vdec.yaml       | 57 +++++++++++++++----
 1 file changed, 46 insertions(+), 11 deletions(-)

diff --git a/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml b/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
index 878944867d6e..8ea979bb97e6 100644
--- a/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
+++ b/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
@@ -27,12 +27,15 @@ description: |
 
 properties:
   compatible:
-    items:
+    oneOf:
+      - items:
+        - enum:
+          - amlogic,gxbb-vdec # GXBB (S905)
+          - amlogic,gxl-vdec # GXL (S905X, S905D)
+          - amlogic,gxm-vdec # GXM (S912)
+        - const: amlogic,gx-vdec
       - enum:
-        - amlogic,gxbb-vdec # GXBB (S905)
-        - amlogic,gxl-vdec # GXL (S905X, S905D)
-        - amlogic,gxm-vdec # GXM (S912)
-      - const: amlogic,gx-vdec
+        - amlogic,g12a-vdec # G12A (S905X2, S905D2)
 
   interrupts:
     minItems: 2
@@ -59,13 +62,9 @@ properties:
 
   clocks:
     minItems: 4
+    maxItems: 5
 
-  clock-names:
-    items:
-      - const: dos_parser
-      - const: dos
-      - const: vdec_1
-      - const: vdec_hevc
+  clock-names: true
 
   amlogic,ao-sysctrl:
     description: should point to the AOBUS sysctrl node
@@ -77,6 +76,42 @@ properties:
     allOf:
       - $ref: /schemas/types.yaml#/definitions/phandle
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - amlogic,gx-vdec
+
+    then:
+      properties:
+        clock-names:
+          minItems: 4
+          items:
+            - const: dos_parser
+            - const: dos
+            - const: vdec_1
+            - const: vdec_hevc
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - amlogic,g12a-vdec
+
+    then:
+      properties:
+        clock-names:
+          minItems: 5
+          items:
+            - const: dos_parser
+            - const: dos
+            - const: vdec_1
+            - const: vdec_hevc
+            - const: vdec_hevcf
+
 required:
   - compatible
   - reg
-- 
2.22.0