openwrt/target/linux/brcm2708/patches-4.4/0404-ARM-bcm2835-add-interrupt-names-and-apply-correct-ma.patch

From b11585bc1bd969c750b3f02fd15a584b463602f8 Mon Sep 17 00:00:00 2001
From: Martin Sperl <kernel@martin.sperl.org>
Date: Sat, 23 Apr 2016 14:07:03 +0000
Subject: [PATCH 404/423] ARM: bcm2835: add interrupt-names and apply correct
 mapping

Add interrupt-names properties to dt and apply the correct
mapping between irq and dma channels.

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
---
 arch/arm/boot/dts/bcm2708_common.dtsi | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

--- a/arch/arm/boot/dts/bcm2708_common.dtsi
+++ b/arch/arm/boot/dts/bcm2708_common.dtsi
@@ -56,10 +56,32 @@
 				     <1 24>,
 				     <1 25>,
 				     <1 26>,
-				     <1 27>;
+				     /* dma channel 11-14 share one irq */
+				     <1 27>,
+				     <1 27>,
+				     <1 27>,
+				     <1 27>,
+				     /* unused shared irq for all channels */
+				     <1 28>;
+			interrupt-names = "dma0",
+					  "dma1",
+					  "dma2",
+					  "dma3",
+					  "dma4",
+					  "dma5",
+					  "dma6",
+					  "dma7",
+					  "dma8",
+					  "dma9",
+					  "dma10",
+					  "dma11",
+					  "dma12",
+					  "dma13",
+					  "dma14",
+					  "dma-shared-all";
 
 			#dma-cells = <1>;
-			brcm,dma-channel-mask = <0x0f34>;
+			brcm,dma-channel-mask = <0x7f34>;
 		};
 
 		intc: interrupt-controller@7e00b200 {