[PATCH 12/39] arm64: dts: qcom: sdm630: Add clocks and power domains to SMMU nodes

Konrad Dybcio
2021-07-28T22:26:27Z

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>

Add the required clocks and power domains for the SMMUs to work.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
---
arch/arm64/boot/dts/qcom/sdm630.dtsi | 31 +++++++++++++++++++++++++---
1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
index fd8f3678cf5d..9683efa4dbcb 100644
--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -563,9 +563,14 @@ snoc: interconnect@1626000 {
anoc2_smmu: iommu@16c0000 {
compatible = "qcom,sdm630-smmu-v2", "qcom,smmu-v2";
reg = <0x016c0000 0x40000>;
- #iommu-cells = <1>;

+ assigned-clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
+ assigned-clock-rates = <1000>;
+ clocks = <&rpmcc RPM_SMD_AGGR2_NOC_CLK>;
+ clock-names = "bus";
#global-interrupts = <2>;
+ #iommu-cells = <1>;
+
interrupts =
<GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 231 IRQ_TYPE_LEVEL_HIGH>,
@@ -904,9 +909,22 @@ sd-cd {
kgsl_smmu: iommu@5040000 {
compatible = "qcom,sdm630-smmu-v2", "qcom,smmu-v2";
reg = <0x05040000 0x10000>;
- #iommu-cells = <1>;

+ /*
+ * GX GDSC parent is CX. We need to bring up CX for SMMU
+ * but we need both up for Adreno. On the other hand, we
+ * need to manage the GX rpmpd domain in the adreno driver.
+ * Enable CX/GX GDSCs here so that we can manage just the GX
+ * RPM Power Domain in the Adreno driver.
+ */
+ power-domains = <&gpucc GPU_GX_GDSC>;
+ clocks = <&gcc GCC_GPU_CFG_AHB_CLK>,
+ <&gcc GCC_BIMC_GFX_CLK>,
+ <&gcc GCC_GPU_BIMC_GFX_CLK>;
+ clock-names = "iface", "mem", "mem_iface";
#global-interrupts = <2>;
+ #iommu-cells = <1>;
+
interrupts =
<GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 231 IRQ_TYPE_LEVEL_HIGH>,
@@ -1597,9 +1615,16 @@ blsp_i2c8: i2c@c1b8000 {
mmss_smmu: iommu@cd00000 {
compatible = "qcom,sdm630-smmu-v2", "qcom,smmu-v2";
reg = <0x0cd00000 0x40000>;
- #iommu-cells = <1>;

+ clocks = <&mmcc MNOC_AHB_CLK>,
+ <&mmcc BIMC_SMMU_AHB_CLK>,
+ <&rpmcc RPM_SMD_MMSSNOC_AXI_CLK>,
+ <&mmcc BIMC_SMMU_AXI_CLK>;
+ clock-names = "iface-mm", "iface-smmu",
+ "bus-mm", "bus-smmu";
#global-interrupts = <2>;
+ #iommu-cells = <1>;
+
interrupts =
<GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 231 IRQ_TYPE_LEVEL_HIGH>,
--
2.32.0