linux-kernel - [PATCH v2 3/3] dts: arm64/sdm845: Add node for qcom,smmu-v2

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Date:   Tue, 14 Aug 2018 15:57:40 +0530
From:   Vivek Gautam <vivek.gautam@...eaurora.org>
To:     joro@...tes.org, robh+dt@...nel.org, andy.gross@...aro.org,
        will.deacon@....com, iommu@...ts.linux-foundation.org,
        devicetree@...r.kernel.org
Cc:     mark.rutland@....com, robin.murphy@....com,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Vivek Gautam <vivek.gautam@...eaurora.org>
Subject: [PATCH v2 3/3] dts: arm64/sdm845: Add node for qcom,smmu-v2

Add device node for qcom,smmu-v2 available on sdm845.
This smmu is available only to GPU device.

Signed-off-by: Vivek Gautam <vivek.gautam@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 1c2be2082f33..bd1ec5fa5146 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -6,6 +6,7 @@
  */
 
 #include <dt-bindings/clock/qcom,gcc-sdm845.h>
+#include <dt-bindings/clock/qcom,gpucc-sdm845.h>
 #include <dt-bindings/clock/qcom,rpmh.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/soc/qcom,rpmh-rsc.h>
@@ -989,6 +990,28 @@
 			cell-index = <0>;
 		};
 
+		gpu_smmu: iommu@...0000 {
+			compatible = "qcom,sdm845-smmu-v2", "qcom,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>;
+			clock-names = "bus", "iface";
+			clocks = <&gcc GCC_GPU_MEMNOC_GFX_CLK>,
+				 <&gcc GCC_GPU_CFG_AHB_CLK>;
+
+			/*power-domains = <&gpucc GPU_CX_GDSC>;*/
+		};
+
 		apps_smmu: iommu@...00000 {
 			compatible = "qcom,sdm845-smmu-500", "arm,mmu-500";
 			reg = <0x15000000 0x80000>;
-- 
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