[PATCH v13 1/4] dt-bindings: gpu: mali-bifrost: Add Mediatek MT8183

From: Nicolas Boichat
Date: Wed Apr 21 2021 - 01:29:08 EST


Define a compatible string for the Mali Bifrost GPU found in
Mediatek's MT8183 SoCs.

Signed-off-by: Nicolas Boichat <drinkcat@xxxxxxxxxxxx>
---

(no changes since v12)

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(-)

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:
- |
--
2.31.1.368.gbe11c130af-goog