linux-kernel - [PATCHv4 6/9] arm64: dts: ls1046a: add MSI dts node

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Date:   Wed, 5 Jul 2017 14:59:00 +0800
From:   Zhiqiang Hou <Zhiqiang.Hou@....com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <tglx@...utronix.de>, <jason@...edaemon.net>,
        <marc.zyngier@....com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <linux@...linux.org.uk>,
        <shawnguo@...nel.org>, <Minghuan.Lian@....com>
CC:     Hou Zhiqiang <Zhiqiang.Hou@....com>
Subject: [PATCHv4 6/9] arm64: dts: ls1046a: add MSI dts node

From: Minghuan Lian <Minghuan.Lian@....com>

LS1046a includes 3 MSI controllers.
Each controller supports 128 interrupts.

Signed-off-by: Minghuan Lian <Minghuan.Lian@....com>
Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@....com>
---
v4:
 - rebased code
v3-v2:
 - None
v2-v1:
 - change whitespace number

 .../interrupt-controller/fsl,ls-scfg-msi.txt       |  1 +
 arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi     | 31 ++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt
index 2755cd1..dde4552 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-scfg-msi.txt
@@ -6,6 +6,7 @@ Required properties:
 	      Layerscape PCIe MSI controller block such as:
               "fsl,ls1021a-msi"
               "fsl,ls1043a-msi"
+              "fsl,ls1046a-msi"
 - msi-controller: indicates that this is a PCIe MSI controller node
 - reg: physical base address of the controller and length of memory mapped.
 - interrupts: an interrupt to the parent interrupt controller.
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
index dc1640b..c8ff0ba 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
@@ -630,6 +630,37 @@
 			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clockgen 4 1>;
 		};
+
+		msi1: msi-controller@...0000 {
+			compatible = "fsl,ls1046a-msi";
+			msi-controller;
+			reg = <0x0 0x1580000 0x0 0x10000>;
+			interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 111 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 113 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		msi2: msi-controller@...0000 {
+			compatible = "fsl,ls1046a-msi";
+			msi-controller;
+			reg = <0x0 0x1590000 0x0 0x10000>;
+			interrupts = <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		msi3: msi-controller@...0000 {
+			compatible = "fsl,ls1046a-msi";
+			msi-controller;
+			reg = <0x0 0x15a0000 0x0 0x10000>;
+			interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 157 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
 	};
 
 	reserved-memory {
-- 
2.1.0.27.g96db324