From 890723395fc73e8dfb3b7da0f5717750cfae83a0 Mon Sep 17 00:00:00 2001 From: Florian Meier Date: Mon, 13 Jan 2014 12:11:43 +0100 Subject: [PATCH] ARM: bcm2835: add dmaengine driver to device tree This adds the definitions for the BCM2835 dmaengine driver to the device tree. The dma-channel-mask is currently fixed. Later it should be set via the firmware. Signed-off-by: Florian Meier [swarren, fixed DT node sort order] Signed-off-by: Stephen Warren --- arch/arm/boot/dts/bcm2835.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi index beb8659..b176940 100644 --- a/arch/arm/boot/dts/bcm2835.dtsi +++ b/arch/arm/boot/dts/bcm2835.dtsi @@ -22,6 +22,27 @@ clock-frequency = <1000000>; }; + dma: dma@7e007000 { + compatible = "brcm,bcm2835-dma"; + reg = <0x7e007000 0xf00>; + interrupts = <1 16>, + <1 17>, + <1 18>, + <1 19>, + <1 20>, + <1 21>, + <1 22>, + <1 23>, + <1 24>, + <1 25>, + <1 26>, + <1 27>, + <1 28>; + + #dma-cells = <1>; + brcm,dma-channel-mask = <0x7f35>; + }; + intc: interrupt-controller { compatible = "brcm,bcm2835-armctrl-ic"; reg = <0x7e00b200 0x200>; -- 2.7.4