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SubjectRe: [PATCH v4 1/7] dt-bindings: gpu: mali-bifrost: Add Mediatek MT8183
On Fri, Feb 07, 2020 at 01:26:21PM +0800, Nicolas Boichat wrote:
> Define a compatible string for the Mali Bifrost GPU found in
> Mediatek's MT8183 SoCs.
>
> Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
> Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
> ---
>
> v4:
> - Add power-domain-names description
> (kept Alyssa's reviewed-by as the change is minor)
> v3:
> - No change
>
> .../bindings/gpu/arm,mali-bifrost.yaml | 25 +++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
> index 4ea6a8789699709..0d93b3981445977 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
> @@ -62,6 +63,30 @@ allOf:
> minItems: 2
> required:
> - resets
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: mediatek,mt8183-mali
> + then:
> + properties:
> + sram-supply: true
> + power-domains:
> + description:
> + List of phandle and PM domain specifier as documented in
> + Documentation/devicetree/bindings/power/power_domain.txt
> + minItems: 3
> + maxItems: 3
> + power-domain-names:
> + items:
> + - const: core0
> + - const: core1
> + - const: 2d

AFAIK, there's no '2d' block in bifrost GPUs. A power domain for each
core group is correct though.

Rob

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