Hi Fabien, On Wed, Aug 3, 2016 at 11:13 AM, Fabien Lahoudere <fabien.lahoudere@xxxxxxxxxxxxxxx> wrote: > In order to use sdma with UART, we need to add DMA configuration in device tree. > > Signed-off-by: Fabien Lahoudere <fabien.lahoudere@xxxxxxxxxxxxxxx> > --- > arch/arm/boot/dts/imx53.dtsi | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi > index cd17037..de545e2 100644 > --- a/arch/arm/boot/dts/imx53.dtsi > +++ b/arch/arm/boot/dts/imx53.dtsi > @@ -217,6 +217,8 @@ > clocks = <&clks IMX5_CLK_UART3_IPG_GATE>, > <&clks IMX5_CLK_UART3_PER_GATE>; > clock-names = "ipg", "per"; > + dmas = <&sdma 42 4 0>, <&sdma 43 4 0>; > + dma-names = "rx", "tx"; > status = "disabled"; > }; Care to add the dma channels for uart1 as well? Thanks -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
