Rework clocks/clock-names properties schema to properly describe
possible usage cases.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
.../devicetree/bindings/iommu/arm,smmu.yaml | 129 ++++++++++++++++--
1 file changed, 121 insertions(+), 8 deletions(-)
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index aa863811996f..99f34a40cfe2 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -161,16 +161,12 @@ properties:
present in such cases.
clock-names:
- items:
- - const: bus
- - const: iface
+ minItems: 1
+ maxItems: 7
clocks:
- items:
- - description: bus clock required for downstream bus access and for the
- smmu ptw
- - description: interface clock required to access smmu's registers
- through the TCU's programming interface.
+ minItems: 1
+ maxItems: 7
power-domains:
maxItems: 1
@@ -220,6 +216,123 @@ allOf:
reg:
maxItems: 1
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8998-smmu-v2
+ - qcom,sdm630-smmu-v2
+ then:
+ anyOf:
+ - properties:
+ clock-names:
+ items:
+ - const: bus
+ clocks:
+ items:
+ - description: bus clock required for downstream bus access and for
+ the smmu ptw
+ - properties:
+ clock-names:
+ items:
+ - const: iface
+ - const: mem
+ - const: mem_iface
+ clocks:
+ items:
+ - description: interface clock required to access smmu's registers
+ through the TCU's programming interface.
+ - description: bus clock required for memory access
+ - description: bus clock required for GPU memory access
+ - properties:
+ clock-names:
+ items:
+ - const: iface-mm
+ - const: iface-smmu
+ - const: bus-mm
+ - const: bus-smmu
+ clocks:
+ items:
+ - description: interface clock required to access mnoc's registers
+ through the TCU's programming interface.
+ - description: interface clock required to access smmu's registers
+ through the TCU's programming interface.
+ - description: bus clock required for downstream bus access
+ - description: bus clock required for the smmu ptw
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8996-smmu-v2
+ - qcom,sc7180-smmu-v2
+ - qcom,sdm845-smmu-v2
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: bus
+ - const: iface
+
+ clocks:
+ items:
+ - description: bus clock required for downstream bus access and for
+ the smmu ptw
+ - description: interface clock required to access smmu's registers
+ through the TCU's programming interface.
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: qcom,sc7280-smmu-500
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: gcc_gpu_memnoc_gfx_clk
+ - const: gcc_gpu_snoc_dvm_gfx_clk
+ - const: gpu_cc_ahb_clk
+ - const: gpu_cc_hlos1_vote_gpu_smmu_clk
+ - const: gpu_cc_cx_gmu_clk
+ - const: gpu_cc_hub_cx_int_clk
+ - const: gpu_cc_hub_aon_clk
+
+ clocks:
+ items:
+ - description: GPU memnoc_gfx clock
+ - description: GPU snoc_dvm_gfx clock
+ - description: GPU ahb clock
+ - description: GPU hlos1_vote_GPU smmu clock
+ - description: GPU cx_gmu clock
+ - description: GPU hub_cx_int clock
+ - description: GPU hub_aon clock
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sm8150-smmu-500
+ - qcom,sm8250-smmu-500
+ then:
+ properties:
+ clock-names:
+ items:
+ - const: ahb
+ - const: bus
+ - const: iface
+
+ clocks:
+ items:
+ - description: bus clock required for AHB bus access
+ - description: bus clock required for downstream bus access and for
+ the smmu ptw
+ - description: interface clock required to access smmu's registers
+ through the TCU's programming interface.
+
examples:
- |+
/* SMMU with stream matching or stream indexing */
--
2.35.1
