[PATCH v3 1/9] dt-bindings: arm-smmu: Allow 3 power domains on SM6375 MMU500

[PATCH v3 1/9] dt-bindings: arm-smmu: Allow 3 power domains on SM6375 MMU500

[Konrad Dybcio]

The SMMU on SM6375 requires 3 power domains to be active. Add an
appropriate description of that.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 .../devicetree/bindings/iommu/arm,smmu.yaml   | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 28f5720824cd..348a73f3e5f0 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -200,7 +200,8 @@ properties:
     maxItems: 7
 
   power-domains:
-    maxItems: 1
+    minItems: 1
+    maxItems: 3
 
   nvidia,memory-controller:
     description: |
@@ -364,6 +365,26 @@ allOf:
             - description: interface clock required to access smmu's registers
                 through the TCU's programming interface.
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: qcom,sm6375-smmu-500
+    then:
+      properties:
+        power-domains:
+          items:
+            - description: SNoC MMU TBU RT GDSC
+            - description: SNoC MMU TBU NRT GDSC
+            - description: SNoC TURING MMU TBU0 GDSC
+
+      required:
+        - power-domains
+    else:
+      properties:
+        power-domains:
+          maxItems: 1
+
 examples:
   - |+
     /* SMMU with stream matching or stream indexing */
-- 
2.38.1


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Re: [PATCH v3 1/9] dt-bindings: arm-smmu: Allow 3 power domains on SM6375 MMU500

[Krzysztof Kozlowski]

On 15/11/2022 16:27, Konrad Dybcio wrote:
> The SMMU on SM6375 requires 3 power domains to be active. Add an
> appropriate description of that.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof


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Re: [PATCH v3 1/9] dt-bindings: arm-smmu: Allow 3 power domains on SM6375 MMU500

[Will Deacon]

On Tue, Nov 15, 2022 at 04:27:19PM +0100, Konrad Dybcio wrote:
> The SMMU on SM6375 requires 3 power domains to be active. Add an
> appropriate description of that.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
>  .../devicetree/bindings/iommu/arm,smmu.yaml   | 23 ++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)

Acked-by: Will Deacon <will@kernel.org>

Let me know if you'd like me to take this one via the Arm SMMU tree.

Will

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Re: [PATCH v3 1/9] dt-bindings: arm-smmu: Allow 3 power domains on SM6375 MMU500

[Bjorn Andersson]

On Fri, Nov 18, 2022 at 01:38:56PM +0000, Will Deacon wrote:
> On Tue, Nov 15, 2022 at 04:27:19PM +0100, Konrad Dybcio wrote:
> > The SMMU on SM6375 requires 3 power domains to be active. Add an
> > appropriate description of that.
> > 
> > Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> > ---
> >  .../devicetree/bindings/iommu/arm,smmu.yaml   | 23 ++++++++++++++++++-
> >  1 file changed, 22 insertions(+), 1 deletion(-)
> 
> Acked-by: Will Deacon <will@kernel.org>
> 
> Let me know if you'd like me to take this one via the Arm SMMU tree.
> 

Yes, please pick this through the SMMU tree.

Bjorn

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Re: [PATCH v3 1/9] dt-bindings: arm-smmu: Allow 3 power domains on SM6375 MMU500

[Will Deacon]

Hi Bjorn,

On Mon, Dec 05, 2022 at 02:56:40PM -0600, Bjorn Andersson wrote:
> On Fri, Nov 18, 2022 at 01:38:56PM +0000, Will Deacon wrote:
> > On Tue, Nov 15, 2022 at 04:27:19PM +0100, Konrad Dybcio wrote:
> > > The SMMU on SM6375 requires 3 power domains to be active. Add an
> > > appropriate description of that.
> > > 
> > > Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> > > ---
> > >  .../devicetree/bindings/iommu/arm,smmu.yaml   | 23 ++++++++++++++++++-
> > >  1 file changed, 22 insertions(+), 1 deletion(-)
> > 
> > Acked-by: Will Deacon <will@kernel.org>
> > 
> > Let me know if you'd like me to take this one via the Arm SMMU tree.
> > 
> 
> Yes, please pick this through the SMMU tree.

I've already sent my pull request for 6.2, so this will have to wait until
6.3 now (unless somebody else takes it in the meantime).

Will

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