[PATCH v2 1/3] dt-bindings: gpu: img,powervr-rogue: Document GX6250 GPU in Renesas R-Car M3-W/M3-W+

[Marek Vasut <marek.vasut+renesas@mailbox.org>]

Document Imagination Technologies PowerVR Rogue GX6250 BNVC 4.45.2.58
present in Renesas R-Car R8A77960 M3-W and R8A77961 M3-W+ SoC.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
---
Cc: Adam Ford <aford173@gmail.com>
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Frank Binns <frank.binns@imgtec.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Matt Coster <matt.coster@imgtec.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: devicetree@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linux-renesas-soc@vger.kernel.org
---
See https://gitlab.freedesktop.org/imagination/linux-firmware/-/issues/13
for related userspace bits.
---
V2: - Add RB from Conor
    - Fill in allOf section for Renesas GPU, set fixed clock/clock-names
      maxItems count to 3 and power-domains/power-domain-names count to 2.
    - Use renesas,r8a7796-gpu for R8A77960 compatible string
---
 .../bindings/gpu/img,powervr-rogue.yaml       | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
index c87d7bece0ecd..05fe9498dfa09 100644
--- a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
+++ b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
@@ -13,6 +13,12 @@ maintainers:
 properties:
   compatible:
     oneOf:
+      - items:
+          - enum:
+              - renesas,r8a7796-gpu
+              - renesas,r8a77961-gpu
+          - const: img,img-gx6250
+          - const: img,img-rogue
       - items:
           - enum:
               - ti,am62-gpu
@@ -146,6 +152,29 @@ allOf:
         clocks:
           maxItems: 1
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,r8a7796-gpu
+              - renesas,r8a77961-gpu
+    then:
+      properties:
+        clocks:
+          minItems: 3
+        clock-names:
+          minItems: 3
+        power-domains:
+          items:
+            - description: Power domain A
+            - description: Power domain B
+        power-domain-names:
+          minItems: 2
+      required:
+        - power-domains
+        - power-domain-names
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
-- 
2.51.0