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[v13,1/5] media: dt-bindings: media: renesas,vsp1: Document RZ/G2L VSPD bindings

Message ID 20220825132144.2619239-2-biju.das.jz@bp.renesas.com
State Superseded
Headers show
Series Add support for RZ/G2L VSPD | expand

Commit Message

Biju Das Aug. 25, 2022, 1:21 p.m. UTC 
Document VSPD found in RZ/G2L SoC. VSPD block is similar to VSP2-D
found on R-Car SoC's, but it does not have a version register and
it has 3 clocks compared to 1 clock on vsp1 and vsp2.

This patch introduces a new compatible 'renesas,r9a07g044-vsp2' to
handle these differences.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
v12->v13:
 * No change.
v11->v12:
 * No change.
v10->v11:
 * No change
v9->v10:
 * No change
v8->v9:
 * No change
v7->v8:
 * Added Clock-names to false for Non RZ/G2L SoC's
 * Replaced compatble 'renesas,rzg2l-vsp2'->'renesas,r9a07g044-vsp2'
 * Removed RZ/V2L SoC, will be added later after testing it.
 * Added Rb tag from Laurent.
v6->v7:
 * No change
v5->v6:
 * Removed LCDC reference clock description
 * Changed the clock name from du.0->aclk
v4->v5:
 * No change
v3->v4:
 * No change
v2->v3:
 * Added Rb tag from Krzysztof.
v1->v2:
 * Changed compatible from vsp2-rzg2l->rzg2l-vsp2
RFC->v1:
 * Updated commit description
 * Changed compatible from vsp2-r9a07g044->vsp2-rzg2l
 * Defined the clocks
 * Clock max Items is based on SoC Compatible string
RFC:
 * https://patchwork.kernel.org/project/linux-renesas-soc/patch/20220112174612.10773-20-biju.das.jz@bp.renesas.com/
---
 .../bindings/media/renesas,vsp1.yaml          | 53 ++++++++++++++-----
 1 file changed, 40 insertions(+), 13 deletions(-)
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Patch

diff --git a/Documentation/devicetree/bindings/media/renesas,vsp1.yaml b/Documentation/devicetree/bindings/media/renesas,vsp1.yaml
index 990e9c1dbc43..7a8f32473852 100644
--- a/Documentation/devicetree/bindings/media/renesas,vsp1.yaml
+++ b/Documentation/devicetree/bindings/media/renesas,vsp1.yaml
@@ -17,6 +17,7 @@  description:
 properties:
   compatible:
     enum:
+      - renesas,r9a07g044-vsp2 # RZ/G2L
       - renesas,vsp1 # R-Car Gen2 and RZ/G1
       - renesas,vsp2 # R-Car Gen3 and RZ/G2
 
@@ -26,8 +27,8 @@  properties:
   interrupts:
     maxItems: 1
 
-  clocks:
-    maxItems: 1
+  clocks: true
+  clock-names: true
 
   power-domains:
     maxItems: 1
@@ -50,17 +51,43 @@  required:
 
 additionalProperties: false
 
-if:
-  properties:
-    compatible:
-      items:
-        - const: renesas,vsp1
-then:
-  properties:
-    renesas,fcp: false
-else:
-  required:
-    - renesas,fcp
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,vsp1
+    then:
+      properties:
+        renesas,fcp: false
+    else:
+      required:
+        - renesas,fcp
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,r9a07g044-vsp2
+    then:
+      properties:
+        clocks:
+          items:
+            - description: Main clock
+            - description: Register access clock
+            - description: Video clock
+        clock-names:
+          items:
+            - const: aclk
+            - const: pclk
+            - const: vclk
+      required:
+        - clock-names
+    else:
+      properties:
+        clocks:
+          maxItems: 1
+        clock-names: false
 
 examples:
   # R8A7790 (R-Car H2) VSP1-S