This patch enables to use DMAC for all UARTs that are connected to dmac_peri core for TinkerBoard. Only uart2 is connected different DMAC (dmac_bus_s) so keep current settings on this patch. Signed-off-by: Katsuhiro Suzuki <katsuhiro@xxxxxxxxxxxxx> --- arch/arm/boot/dts/rk3288-tinker.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/boot/dts/rk3288-tinker.dtsi b/arch/arm/boot/dts/rk3288-tinker.dtsi index 312582c1bd37..6efabeaf3c6d 100644 --- a/arch/arm/boot/dts/rk3288-tinker.dtsi +++ b/arch/arm/boot/dts/rk3288-tinker.dtsi @@ -491,10 +491,14 @@ &tsadc { }; &uart0 { + dmas = <&dmac_peri 1>, <&dmac_peri 2>; + dma-names = "tx", "rx"; status = "okay"; }; &uart1 { + dmas = <&dmac_peri 3>, <&dmac_peri 4>; + dma-names = "tx", "rx"; status = "okay"; }; @@ -503,10 +507,14 @@ &uart2 { }; &uart3 { + dmas = <&dmac_peri 7>, <&dmac_peri 8>; + dma-names = "tx", "rx"; status = "okay"; }; &uart4 { + dmas = <&dmac_peri 9>, <&dmac_peri 10>; + dma-names = "tx", "rx"; status = "okay"; }; -- 2.25.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip