From: b-cousson@ti.com (Cousson, Benoit) Date: Fri, 27 Jan 2012 18:30:05 +0100 Subject: [RFC PATCH 2/2] arm/dts: OMAP4: Add dma-controller and dma-request for I2C Message-ID: <4F22DF1D.5020904@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add the DMA controller node. Add the dma-request attributes for the OMAP4 I2C controllers. Signed-off-by: Benoit Cousson Cc: Grant Likely Cc: Rob Herring --- arch/arm/boot/dts/omap4.dtsi | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index 2938ec8..2425108 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -104,6 +104,13 @@ <0x48240100 0x0100>; }; + sdma: sdma at 0 { + compatible = "ti,omap4-sdma"; + ti,hwmods = "dma_system"; + dma-controller; + #dma-cells = <1>; + }; + gpio1: gpio at 1 { compatible = "ti,omap4-gpio"; ti,hwmods = "gpio1"; @@ -205,6 +212,8 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c1"; + dma-request = <&sdma 27>, <&sdma 28>; + dma-request-names = "tx", "rx"; }; i2c2: i2c at 2 { @@ -212,6 +221,8 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c2"; + dma-request = <&sdma 29>, <&sdma 30>; + dma-request-names = "tx", "rx"; }; i2c3: i2c at 3 { @@ -219,6 +230,8 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c3"; + dma-request = <&sdma 25>, <&sdma 26>; + dma-request-names = "tx", "rx"; }; i2c4: i2c at 4 { @@ -226,6 +239,8 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c4"; + dma-request = <&sdma 124>, <&sdma 125>; + dma-request-names = "tx", "rx"; }; mcspi1: mcspi at 1 { -- 1.7.0.4