Re: [PATCH 2/2] imx53.dtsi : Add DMA configuration for UART
From: Fabio Estevam <hidden>
Date: 2016-08-03 14:26:51
Also in:
linux-arm-kernel, lkml
Possibly related (same subject, not in this thread)
- 2016-08-08 · [PATCH 2/2] imx53.dtsi : Add DMA configuration for UART · Fabien Lahoudere <hidden>
Hi Fabien, On Wed, Aug 3, 2016 at 11:13 AM, Fabien Lahoudere [off-list ref] wrote:
quoted hunk ↗ jump to hunk
In order to use sdma with UART, we need to add DMA configuration in device tree. Signed-off-by: Fabien Lahoudere <fabien.lahoudere-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org> --- 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-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html