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[v12,1/4] dt-bindings: gpu: mali-bifrost: Add Mediatek MT8183

Message ID 20210421081831.v12.1.Ie74d3355761aab202d4825ac6f66d990bba0130e@changeid
State Accepted
Commit a7a596cd31151b08ad0273af3665dac8c0b93842
Headers show
Series [v12,1/4] dt-bindings: gpu: mali-bifrost: Add Mediatek MT8183 | expand

Commit Message

Nicolas Boichat April 21, 2021, 12:19 a.m. UTC 
Define a compatible string for the Mali Bifrost GPU found in
Mediatek's MT8183 SoCs.

Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
---

Changes in v12:
 - binding: Fix min/maxItems logic (Rob Herring)

Changes in v11:
 - binding: power-domain-names not power-domainS-names

Changes in v10:
 - Fix the binding to make sure sram-supply property can be provided.

Changes in v6:
 - Rebased, actually tested with recent mesa driver.

Changes in v5:
 - Rename "2d" power domain to "core2"

Changes in v4:
 - Add power-domain-names description
   (kept Alyssa's reviewed-by as the change is minor)

 .../bindings/gpu/arm,mali-bifrost.yaml        | 30 ++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
index 184492162e7e..b22cd8f1b015 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
@@ -17,6 +17,7 @@  properties:
     items:
       - enum:
           - amlogic,meson-g12a-mali
+          - mediatek,mt8183-mali
           - realtek,rtd1619-mali
           - rockchip,px30-mali
       - const: arm,mali-bifrost # Mali Bifrost GPU model/revision is fully discoverable
@@ -41,10 +42,13 @@  properties:
 
   mali-supply: true
 
+  sram-supply: true
+
   operating-points-v2: true
 
   power-domains:
-    maxItems: 1
+    minItems: 1
+    maxItems: 3
 
   resets:
     maxItems: 2
@@ -87,6 +91,30 @@  allOf:
     then:
       required:
         - resets
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8183-mali
+    then:
+      properties:
+        power-domains:
+          minItems: 3
+        power-domain-names:
+          items:
+            - const: core0
+            - const: core1
+            - const: core2
+
+      required:
+        - sram-supply
+        - power-domains
+        - power-domain-names
+    else:
+      properties:
+        power-domains:
+          maxItems: 1
+        sram-supply: false
 
 examples:
   - |