SM8450 and SM8550 both use a Qualcomm-modified MMU500 for their GPU.
In both cases, it requires a set of clocks to be enabled. Describe that.
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
.../devicetree/bindings/iommu/arm,smmu.yaml | 48 +++++++++++++++++++++-
1 file changed, 46 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index aa9e1c0895a5..19dba93a7654 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -89,6 +89,8 @@ properties:
- qcom,sm8150-smmu-500
- qcom,sm8250-smmu-500
- qcom,sm8350-smmu-500
+ - qcom,sm8450-smmu-500
+ - qcom,sm8550-smmu-500
- const: qcom,adreno-smmu
- const: qcom,smmu-500
- const: arm,mmu-500
@@ -453,6 +455,50 @@ allOf:
- description: Voter clock required for HLOS SMMU access
- description: Interface clock required for register access
+ - if:
+ properties:
+ compatible:
+ const: qcom,sm8450-smmu-500
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: gmu
+ - const: hub
+ - const: hlos
+ - const: bus
+ - const: iface
+ - const: ahb
+
+ clocks:
+ items:
+ - description: GMU clock
+ - description: GPU HUB clock
+ - description: HLOS vote clock
+ - description: GPU memory bus clock
+ - description: GPU SNoC bus clock
+ - description: GPU AHB clock
+
+ - if:
+ properties:
+ compatible:
+ const: qcom,sm8550-smmu-500
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: hlos
+ - const: bus
+ - const: iface
+ - const: ahb
+
+ clocks:
+ items:
+ - description: HLOS vote clock
+ - description: GPU memory bus clock
+ - description: GPU SNoC bus clock
+ - description: GPU AHB clock
+
# Disallow clocks for all other platforms with specific compatibles
- if:
properties:
@@ -473,8 +519,6 @@ allOf:
- qcom,sm6350-smmu-500
- qcom,sm6375-smmu-500
- qcom,sm8350-smmu-500
- - qcom,sm8450-smmu-500
- - qcom,sm8550-smmu-500
then:
properties:
clock-names: false
--
2.43.0
