linux-kernel - [PATCH v2 7/8] arm64: dts: qcom: qcs404: Define APPS IOMMU

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Date:   Thu,  9 May 2019 21:34:20 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        David Brown <david.brown@...aro.org>
Cc:     Ohad Ben-Cohen <ohad@...ery.com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 7/8] arm64: dts: qcom: qcs404: Define APPS IOMMU

The APPS IOMMU provides contexts for FastRPC, MDP and WLAN, among other
things.  Define these. We use the qcom_iommu binding because the
firmware restrictions in incompatible with the arm-smmu.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 arch/arm64/boot/dts/qcom/qcs404.dtsi | 85 ++++++++++++++++++++++++++++
 1 file changed, 85 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/qcs404.dtsi b/arch/arm64/boot/dts/qcom/qcs404.dtsi
index b213f6acad76..fcde4f0334c2 100644
--- a/arch/arm64/boot/dts/qcom/qcs404.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs404.dtsi
@@ -378,6 +378,91 @@
 			reg = <0x01937000 0x25000>;
 		};
 
+		apps_iommu: iommu@...0000 {
+			compatible = "qcom,qcs404-iommu", "qcom,msm-iommu-v1";
+			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>;
+
+			/* Define ranges such that the first bank is at 0x1000 */
+			ranges = <0 0x01e20000 0x40000>;
+
+			/* Bank 5: CDSP compute bank 1 */
+			iommu-ctx@...0 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x5000 0x1000>;
+				interrupts = <GIC_SPI 251 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 6: CDSP compute bank 2 */
+			iommu-ctx@...0 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x6000 0x1000>;
+				interrupts = <GIC_SPI 252 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 7: CDSP compute bank 3 */
+			iommu-ctx@...0 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x7000 0x1000>;
+				interrupts = <GIC_SPI 253 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 8: CDSP compute bank 4 */
+			iommu-ctx@...0 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x8000 0x1000>;
+				interrupts = <GIC_SPI 254 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 9: CDSP compute bank 5 */
+			iommu-ctx@...0 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x9000 0x1000>;
+				interrupts = <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 10: MDP */
+			iommu-ctx@...0 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0xa000 0x1000>;
+				interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 21: WLAN 0 */
+			iommu-ctx@...00 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x15000 0x1000>;
+				interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 23: ADSP compute bank 2 */
+			iommu-ctx@...00 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x17000 0x1000>;
+				interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 24: ADSP compute bank 3 */
+			iommu-ctx@...00 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x18000 0x1000>;
+				interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+			};
+
+			/* Bank 25: ADSP compute bank 4 */
+			iommu-ctx@...00 {
+				compatible = "qcom,msm-iommu-v1-ns";
+				reg = <0x19000 0x1000>;
+				interrupts = <GIC_SPI 109 IRQ_TYPE_LEVEL_HIGH>;
+			};
+		};
+
 		spmi_bus: spmi@...f000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg = <0x0200f000 0x001000>,
-- 
2.18.0