linux-kernel - [PATCH v3 1/4] arm64: dts: qcom: msm8976: Add IOMMU nodes

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Date: Sat, 13 Apr 2024 19:03:14 +0200
From: Adam Skladowski <a39.skl@...il.com>
To: 
Cc: phone-devel@...r.kernel.org,
	~postmarketos/upstreaming@...ts.sr.ht,
	Adam Skladowski <a39.skl@...il.com>,
	Andy Gross <agross@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/4] arm64: dts: qcom: msm8976: Add IOMMU nodes

Add the nodes describing the apps and gpu iommu and its context banks
that are found on msm8976 SoCs.

Signed-off-by: Adam Skladowski <a39.skl@...il.com>
---
 arch/arm64/boot/dts/qcom/msm8976.dtsi | 81 +++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8976.dtsi b/arch/arm64/boot/dts/qcom/msm8976.dtsi
index d2bb1ada361a..8bdcc1438177 100644
--- a/arch/arm64/boot/dts/qcom/msm8976.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8976.dtsi
@@ -808,6 +808,87 @@ tcsr: syscon@...7000 {
 			reg = <0x01937000 0x30000>;
 		};
 
+		apps_iommu: iommu@...0000 {
+			compatible = "qcom,msm8976-iommu", "qcom,msm-iommu-v2";
+			reg = <0x01ee0000 0x3000>;
+			ranges  = <0 0x01e20000 0x20000>;
+
+			clocks = <&gcc GCC_SMMU_CFG_CLK>,
+				 <&gcc GCC_APSS_TCU_CLK>;
+			clock-names = "iface", "bus";
+
+			qcom,iommu-secure-id = <17>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+			#iommu-cells = <1>;
+
+			/* VFE */
+			iommu-ctx@...00 {
+				compatible = "qcom,msm-iommu-v2-ns";
+				reg = <0x15000 0x1000>;
+				qcom,ctx-asid = <20>;
+				interrupts = <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* VENUS NS */
+			iommu-ctx@...00 {
+				compatible = "qcom,msm-iommu-v2-ns";
+				reg = <0x16000 0x1000>;
+				qcom,ctx-asid = <21>;
+				interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* MDP0 */
+			iommu-ctx@...00 {
+				compatible = "qcom,msm-iommu-v2-ns";
+				reg = <0x17000 0x1000>;
+				qcom,ctx-asid = <22>;
+				interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
+			};
+		};
+
+		gpu_iommu: iommu@...8000 {
+			compatible = "qcom,msm8976-iommu", "qcom,msm-iommu-v2";
+			ranges = <0 0x01f08000 0x8000>;
+
+			clocks = <&gcc GCC_SMMU_CFG_CLK>,
+				 <&gcc GCC_GFX3D_TCU_CLK>;
+			clock-names = "iface", "bus";
+
+			power-domains = <&gcc OXILI_CX_GDSC>;
+
+			qcom,iommu-secure-id = <18>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+			#iommu-cells = <1>;
+
+			/* gfx3d user */
+			iommu-ctx@0 {
+				compatible = "qcom,msm-iommu-v2-ns";
+				reg = <0x0 0x1000>;
+				qcom,ctx-asid = <0>;
+				interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* gfx3d secure */
+			iommu-ctx@...0 {
+				compatible = "qcom,msm-iommu-v2-sec";
+				reg = <0x1000 0x1000>;
+				qcom,ctx-asid = <2>;
+				interrupts = <GIC_SPI 241 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* gfx3d priv */
+			iommu-ctx@...0 {
+				compatible = "qcom,msm-iommu-v2-sec";
+				reg = <0x2000 0x1000>;
+				qcom,ctx-asid = <1>;
+				interrupts = <GIC_SPI 242 IRQ_TYPE_LEVEL_HIGH>;
+			};
+		};
+
 		spmi_bus: spmi@...f000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg = <0x0200f000 0x1000>,
-- 
2.44.0