linux-kernel - [PATCHv2] arm64: dts: layerscape: add iommu-map property to pci nodes

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Message-Id: <20200302042027.15589-1-Zhiqiang.Hou@nxp.com>
Date:   Mon,  2 Mar 2020 12:20:27 +0800
From:   Zhiqiang Hou <Zhiqiang.Hou@....com>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, shawnguo@...nel.org
Cc:     leoyang.li@....com, laurentiu.tudor@....com, Xiaowei.Bao@....com,
        Hou Zhiqiang <Zhiqiang.Hou@....com>
Subject: [PATCHv2] arm64: dts: layerscape: add iommu-map property to pci nodes

From: Hou Zhiqiang <Zhiqiang.Hou@....com>

Add the iommu-map property to the pci nodes so that the firmware
fixes it up with the required values thus enabling iommu for
devices connected over pci.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@....com>
---
V2:
 - Removed the 'iommu-map' from ls1012a/ls1043a/ls1046a due to
   lack of SMMU node in upstream currently.

 arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi | 3 +++
 arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 4 ++++
 arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi | 6 ++++++
 3 files changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
index ec6013a8137d..36a799554620 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
@@ -494,6 +494,7 @@
 					<0000 0 0 2 &gic 0 0 0 110 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 0 111 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 0 112 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -519,6 +520,7 @@
 					<0000 0 0 2 &gic 0 0 0 115 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 0 116 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 0 117 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -544,6 +546,7 @@
 					<0000 0 0 2 &gic 0 0 0 120 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 0 121 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 0 122 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
index f96d06da96be..3944ef16ec60 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
@@ -648,6 +648,7 @@
 					<0000 0 0 2 &gic 0 0 0 110 4>,
 					<0000 0 0 3 &gic 0 0 0 111 4>,
 					<0000 0 0 4 &gic 0 0 0 112 4>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -669,6 +670,7 @@
 					<0000 0 0 2 &gic 0 0 0 115 4>,
 					<0000 0 0 3 &gic 0 0 0 116 4>,
 					<0000 0 0 4 &gic 0 0 0 117 4>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -690,6 +692,7 @@
 					<0000 0 0 2 &gic 0 0 0 120 4>,
 					<0000 0 0 3 &gic 0 0 0 121 4>,
 					<0000 0 0 4 &gic 0 0 0 122 4>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -711,6 +714,7 @@
 					<0000 0 0 2 &gic 0 0 0 125 4>,
 					<0000 0 0 3 &gic 0 0 0 126 4>,
 					<0000 0 0 4 &gic 0 0 0 127 4>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
diff --git a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
index 98a8f6def55e..ae1b113ab162 100644
--- a/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi
@@ -858,6 +858,7 @@
 					<0000 0 0 2 &gic 0 0 GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -885,6 +886,7 @@
 					<0000 0 0 2 &gic 0 0 GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -912,6 +914,7 @@
 					<0000 0 0 2 &gic 0 0 GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -939,6 +942,7 @@
 					<0000 0 0 2 &gic 0 0 GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -966,6 +970,7 @@
 					<0000 0 0 2 &gic 0 0 GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
@@ -993,6 +998,7 @@
 					<0000 0 0 2 &gic 0 0 GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 3 &gic 0 0 GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>,
 					<0000 0 0 4 &gic 0 0 GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
+			iommu-map = <0 &smmu 0 1>; /* Fixed-up by bootloader */
 			status = "disabled";
 		};
 
-- 
2.17.1