[PATCH 2/2] arm64: dts: sdm845: Add gpu and gmu device nodes

Jordan Crouse jcrouse at codeaurora.org
Fri Mar 16 11:51:52 PDT 2018


Add the nodes to describe the Adreno GPU and GMU devices.

Signed-off-by: Jordan Crouse <jcrouse at codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 119 +++++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 16b5f356ec96..854da6604417 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -312,4 +312,123 @@
 			};
 		};
 	};
+
+	adreno_smmu: arm,smmu-adreno at 5040000 {
+		compatible = "qcom,msm8996-smmu-v2";
+		reg = <0x5040000 0x10000>;
+		#iommu-cells = <1>;
+		#global-interrupts = <2>;
+		interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 231 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 364 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 365 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 366 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 367 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 368 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 369 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 370 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 371 IRQ_TYPE_EDGE_RISING>;
+		clocks = <&clock_gcc GCC_GPU_MEMNOC_GFX_CLK>,
+			 <&clock_gcc GCC_GPU_CFG_AHB_CLK>;
+		clock-names = "bus", "iface";
+
+		power-domains = <&clock_gpucc GPU_CX_GDSC>;
+	};
+
+	gpu_opp_table: adreno-opp-table {
+		compatible = "operating-points-v2";
+
+		opp-710000000 {
+			opp-hz = /bits/ 64 <710000000>;
+			qcom,level = <416>;
+		};
+
+		opp-675000000 {
+			opp-hz = /bits/ 64 <675000000>;
+			qcom,level = <384>;
+		};
+
+		opp-596000000 {
+			opp-hz = /bits/ 64 <596000000>;
+			qcom,level = <320>;
+		};
+
+		opp-520000000 {
+			opp-hz = /bits/ 64 <520000000>;
+			qcom,level = <256>;
+		};
+
+		opp-414000000 {
+			opp-hz = /bits/ 64 <414000000>;
+			qcom,level = <192>;
+		};
+
+		opp-342000000 {
+			opp-hz = /bits/ 64 <342000000>;
+			qcom,level = <128>;
+		};
+
+		opp-257000000 {
+			opp-hz = /bits/ 64 <257000000>;
+			qcom,level = <64>;
+		};
+	};
+
+	gpu at 5000000 {
+		compatible = "qcom,adreno-630.2", "qcom,adreno";
+		#stream-id-cells = <16>;
+
+		reg = <0x5000000 0x40000>;
+		reg-names = "kgsl_3d0_reg_memory";
+
+		/*
+		 * Look ma, no clocks! The GPU clocks and power are controlled
+		 * entirely by the GMU
+		 */
+
+		interrupts = <0 300 0>;
+		interrupt-names = "kgsl_3d0_irq";
+
+		iommus = <&adreno_smmu 0>;
+
+		operating-points-v2 = <&gpu_opp_table>;
+
+		gmu = <&gmu>;
+	};
+
+	gmu_opp_table: adreno-gmu-opp-table {
+		compatible = "operating-points-v2";
+
+		opp-400000000 {
+			opp-hz = /bits/ 64 <400000000>;
+			qcom,level = <128>;
+		};
+
+		opp-200000000 {
+			opp-hz = /bits/ 64 <200000000>;
+			qcom,level = <48>;
+		};
+	};
+
+	gmu: gmu at 506a000 {
+		compatible="qcom,adreno-gmu";
+
+		reg = <0x506a000 0x30000>, <0xb200000 0x300000>;
+		reg-names = "gmu", "gmu_pdc";
+
+		interrupts = <GIC_SPI 304 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 305 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "hfi", "gmu";
+
+		clocks = <&clock_gpucc GPU_CC_CX_GMU_CLK>,
+			<&clock_gpucc GPU_CC_CXO_CLK>,
+			<&clock_gcc GCC_DDRSS_GPU_AXI_CLK>,
+			<&clock_gcc GCC_GPU_MEMNOC_GFX_CLK>;
+		clock-names = "gmu", "cxo", "axi", "memnoc";
+
+		power-domains = <&clock_gpucc GPU_CX_GDSC>;
+		iommus = <&adreno_smmu 5>;
+
+		operating-points-v2 = <&gmu_opp_table>;
+	};
 };
-- 
2.16.1




More information about the linux-arm-kernel mailing list