linux-kernel - [PATCH v3 03/11] dt-bindings: gpu: mali-bifrost: Allow up to 5 power domains for MT8192

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Date:   Thu, 23 Feb 2023 14:34:32 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     airlied@...il.com
Cc:     daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, steven.price@....com,
        alyssa.rosenzweig@...labora.com, matthias.bgg@...il.com,
        robh@...nel.org, dri-devel@...ts.freedesktop.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, wenst@...omium.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v3 03/11] dt-bindings: gpu: mali-bifrost: Allow up to 5 power domains for MT8192

MediaTek MT8192 (and similar) needs five power domains for the
Mali GPU and no sram-supply: change the binding to allow so.

Fixes: 5d82e74a97c2 ("dt-bindings: Add compatible for Mali Valhall (JM)")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 .../bindings/gpu/arm,mali-bifrost.yaml        | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
index ac174c17e25f..65fe139ceb83 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
@@ -63,7 +63,7 @@ properties:
 
   power-domains:
     minItems: 1
-    maxItems: 3
+    maxItems: 5
 
   power-domain-names: true
 
@@ -152,6 +152,7 @@ allOf:
             contains:
               enum:
                 - mediatek,mt8183-mali
+                - mediatek,mt8192-mali
     then:
       properties:
         power-domains:
@@ -179,6 +180,25 @@ allOf:
     else:
       properties:
         sram-supply: false
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8192-mali
+    then:
+      properties:
+        power-domains:
+          minItems: 5
+        power-domain-names:
+          items:
+            - const: core0
+            - const: core1
+            - const: core2
+            - const: core3
+            - const: core4
+      required:
+        - power-domains
+        - power-domain-names
   - if:
       properties:
         compatible:
-- 
2.39.2