Add the DMA controller node. Add the dma-request attributes for the OMAP4 I2C controllers.
Signed-off-by: Benoit Cousson <[email protected]> Cc: Grant Likely <[email protected]> Cc: Rob Herring <[email protected]> --- 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@0 { + compatible = "ti,omap4-sdma"; + ti,hwmods = "dma_system"; + dma-controller; + #dma-cells = <1>; + }; + gpio1: gpio@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@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@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@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@1 { -- 1.7.0.4 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
