[v2,2/6] dt-bindings: arm-smmu: Document SM8650 GPU SMMU

Message ID 20240215-topic-sm8650-gpu-v2-2-6be0b4bf2e09@linaro.org
State New
Headers
Series drm/msm: Add support for the A750 GPU found on the SM8650 platform |

Commit Message

Neil Armstrong Feb. 15, 2024, 9:20 a.m. UTC
  Document the GPU SMMU found on the SM8650 platform.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
---
 Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
  

Comments

Neil Armstrong Feb. 15, 2024, 1:33 p.m. UTC | #1
On 15/02/2024 10:32, Dmitry Baryshkov wrote:
> On Thu, 15 Feb 2024 at 11:29, Neil Armstrong <neil.armstrong@linaro.org> wrote:
>>
>> On 15/02/2024 10:25, Dmitry Baryshkov wrote:
>>> On Thu, 15 Feb 2024 at 11:20, Neil Armstrong <neil.armstrong@linaro.org> wrote:
>>>>
>>>> Document the GPU SMMU found on the SM8650 platform.
>>>>
>>>> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
>>>> ---
>>>>    Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 7 +++++--
>>>>    1 file changed, 5 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
>>>> index a4042ae24770..3ad5c850f3bf 100644
>>>> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
>>>> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
>>>> @@ -93,6 +93,7 @@ properties:
>>>>                  - qcom,sm8350-smmu-500
>>>>                  - qcom,sm8450-smmu-500
>>>>                  - qcom,sm8550-smmu-500
>>>> +              - qcom,sm8650-smmu-500
>>>>              - const: qcom,adreno-smmu
>>>>              - const: qcom,smmu-500
>>>>              - const: arm,mmu-500
>>>> @@ -508,7 +509,10 @@ allOf:
>>>>      - if:
>>>>          properties:
>>>>            compatible:
>>>> -          const: qcom,sm8550-smmu-500
>>>> +          contains:
>>>> +            enum:
>>>> +              - qcom,sm8550-smmu-500
>>>> +              - qcom,sm8650-smmu-500
>>>
>>> Doesn't this cause warnings for non-GPU SMMU on this platform?
>>
>> No because it doesn't add those to required, it simply allows clock the properties.
> 
> Can we further constrain this branch so that it is applicable only to
> the Adreno SMMUs (and enforce requirement)? And maybe constrain the
> second if-branch so that it doesn't apply to the Adreno SMMUs?

Indeed, it's done like that for the a6 gpu, I'll send a fix for that

Neil

> 
>>
>>>
>>>>        then:
>>>>          properties:
>>>>            clock-names:
>>>> @@ -544,7 +548,6 @@ allOf:
>>>>                  - qcom,sdx65-smmu-500
>>>>                  - qcom,sm6350-smmu-500
>>>>                  - qcom,sm6375-smmu-500
>>>> -              - qcom,sm8650-smmu-500
>>>>                  - qcom,x1e80100-smmu-500
>>>>        then:
>>>>          properties:
>>>>
>>>> --
>>>> 2.34.1
>>>>
>>>
>>>
>>
> 
>
  

Patch

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index a4042ae24770..3ad5c850f3bf 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -93,6 +93,7 @@  properties:
               - qcom,sm8350-smmu-500
               - qcom,sm8450-smmu-500
               - qcom,sm8550-smmu-500
+              - qcom,sm8650-smmu-500
           - const: qcom,adreno-smmu
           - const: qcom,smmu-500
           - const: arm,mmu-500
@@ -508,7 +509,10 @@  allOf:
   - if:
       properties:
         compatible:
-          const: qcom,sm8550-smmu-500
+          contains:
+            enum:
+              - qcom,sm8550-smmu-500
+              - qcom,sm8650-smmu-500
     then:
       properties:
         clock-names:
@@ -544,7 +548,6 @@  allOf:
               - qcom,sdx65-smmu-500
               - qcom,sm6350-smmu-500
               - qcom,sm6375-smmu-500
-              - qcom,sm8650-smmu-500
               - qcom,x1e80100-smmu-500
     then:
       properties: