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[RFC,3/3] ARM: dts: alpine: add msi-x controller

Message ID 55114d07.1KCcWZQxU8BGF1iI%tsahee@annapurnalabs.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tsahee Zidenberg March 24, 2015, 11:39 a.m. UTC 
This patch adds devicetree entry for the msi-x controller in alpine.

Signed-off-by: Tsahee Zidenberg <tsahee@annapurnalabs.com>
---
 arch/arm/boot/dts/alpine.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/alpine.dtsi b/arch/arm/boot/dts/alpine.dtsi
index 48589ca..f92c9dd 100644
--- a/arch/arm/boot/dts/alpine.dtsi
+++ b/arch/arm/boot/dts/alpine.dtsi
@@ -111,6 +111,17 @@ 
 			reg = <0x0 0xfb070000 0x0 0x10000>;
 		};
 
+		/* MSIX Configuration */
+		msix: msix@0xfbe10000 {
+			compatible = "al,alpine-msix";
+			reg = <0x0 0xfbe10000 0x0 0x10000>;
+			interrupts = <GIC_SPI 96 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 159 IRQ_TYPE_EDGE_RISING>;
+			interrupt-controller;
+			msi-controller;
+			interrupt-parent = <&gic>;
+		};
+
 		/* Performance Monitor Unit */
 		pmu {
 			compatible = "arm,cortex-a15-pmu";
@@ -152,6 +163,8 @@ 
 					<0x4000 0 0 1 &gic 0 43 4>,
 					<0x4800 0 0 1 &gic 0 44 4>;
 
+			msi-parent = <&msix>;
+
 			/* 32 bit non prefetchable memory space */
 			ranges = <0x02000000 0x0 0xfe000000 0x0 0xfe000000 0x0 0x1000000>;