linux-kernel - [PATCH v2] ARM64: dts: ls208xa: Add iommu-map property for pci

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Date:   Thu, 31 Aug 2017 14:57:17 +0530
From:   Bharat Bhushan <Bharat.Bhushan@....com>
To:     <robh+dt@...nel.org>, <ark.rutland@....com>, <will.deacon@....com>,
        <marc.zyngier@....com>, <oss@...error.net>, <Gang.Liu@....com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <catalin.marinas@....com>
CC:     Bharat Bhushan <Bharat.Bhushan@....com>
Subject: [PATCH v2] ARM64: dts: ls208xa: Add iommu-map property for pci

This patch adds iommu-map property for PCIe, which enables
SMMU for these devices on LS208xA devices.

Signed-off-by: Bharat Bhushan <Bharat.Bhushan@....com>
---
v1->v2
 - Corrected "RM64" to "ARM64"

 arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
index 94cdd30..67cf605 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi
@@ -606,6 +606,7 @@
 			num-lanes = <4>;
 			bus-range = <0x0 0xff>;
 			msi-parent = <&its>;
+			iommu-map = <0 &smmu 0 1>;	/* This is fixed-up by u-boot */
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 7>;
 			interrupt-map = <0000 0 0 1 &gic 0 0 0 109 4>,
@@ -627,6 +628,7 @@
 			num-lanes = <4>;
 			bus-range = <0x0 0xff>;
 			msi-parent = <&its>;
+			iommu-map = <0 &smmu 0 1>;	/* This is fixed-up by u-boot */
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 7>;
 			interrupt-map = <0000 0 0 1 &gic 0 0 0 114 4>,
@@ -648,6 +650,7 @@
 			num-lanes = <8>;
 			bus-range = <0x0 0xff>;
 			msi-parent = <&its>;
+			iommu-map = <0 &smmu 0 1>;	/* This is fixed-up by u-boot */
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 7>;
 			interrupt-map = <0000 0 0 1 &gic 0 0 0 119 4>,
@@ -669,6 +672,7 @@
 			num-lanes = <4>;
 			bus-range = <0x0 0xff>;
 			msi-parent = <&its>;
+			iommu-map = <0 &smmu 0 1>;	/* This is fixed-up by u-boot */
 			#interrupt-cells = <1>;
 			interrupt-map-mask = <0 0 0 7>;
 			interrupt-map = <0000 0 0 1 &gic 0 0 0 124 4>,
-- 
1.9.3