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Merge "ARM: dts: msm: Enable qcom,power-always-on for GPU SMMUs on GKI targets"

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qctecmdr 2020-11-11 23:52:30 -08:00 • committed by Gerrit - the friendly Code Review server
commit 011b8f4435
4 changed files with 10 additions and 0 deletions
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7
bindings/iommu/arm,smmu.txt
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@ -182,6 +182,13 @@ conditions.
that interconnect votes will be maintained irrespective of
the CPUSS' state (awake or asleep).
- qcom,power-always-on:
Boolean property which indicates that votes for power
resources (i.e. regulators, clocks, buses) should
always be maintained. This is required when the latency
for the SMMU's operation is greatly increased by adding and
removing votes for power resources.
** Deprecated properties:
- mmu-masters (deprecated in favour of the generic "iommus" binding) :

1
qcom/msm-arm-smmu-holi.dtsi
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@ -7,6 +7,7 @@
#iommu-cells = <1>;
qcom,use-3-lvl-tables;
#global-interrupts = <2>;
qcom,power-always-on;
qcom,regulator-names = "vdd";
vdd-supply = <&gpu_cx_gdsc>;
clock-names = "gcc_gpu_memnoc_gfx_clk";

1
qcom/msm-arm-smmu-lahaina.dtsi
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@ -15,6 +15,7 @@
#address-cells = <1>;
ranges;
dma-coherent;
qcom,power-always-on;
qcom,regulator-names = "vdd";
vdd-supply = <&gpu_cc_cx_gdsc>;

1
qcom/msm-arm-smmu-shima.dtsi
View file

@ -15,6 +15,7 @@
#address-cells = <1>;
ranges;
dma-coherent;
qcom,power-always-on;
qcom,regulator-names = "vdd";
vdd-supply = <&gpu_cx_gdsc>;