ARM: dts: rockchip: Add UART DMA support for rv1108

Pass the 'dmas' property to the UART ports so that DMA can
be supported.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Tested-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm/boot/dts/rv1108.dtsi b/arch/arm/boot/dts/rv1108.dtsi
index 300de8e..17dbcf2 100644 (file)
--- a/arch/arm/boot/dts/rv1108.dtsi
+++ b/arch/arm/boot/dts/rv1108.dtsi
@@ -119,6 +119,8 @@
                clock-frequency = <24000000>;
                clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>;
                clock-names = "baudclk", "apb_pclk";
+               dmas = <&pdma 6>, <&pdma 7>;
+               #dma-cells = <2>;
                pinctrl-names = "default";
                pinctrl-0 = <&uart2m0_xfer>;
                status = "disabled";
@@ -133,6 +135,8 @@
                clock-frequency = <24000000>;
                clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
                clock-names = "baudclk", "apb_pclk";
+               dmas = <&pdma 4>, <&pdma 5>;
+               #dma-cells = <2>;
                pinctrl-names = "default";
                pinctrl-0 = <&uart1_xfer>;
                status = "disabled";
@@ -147,6 +151,8 @@
                clock-frequency = <24000000>;
                clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
                clock-names = "baudclk", "apb_pclk";
+               dmas = <&pdma 2>, <&pdma 3>;
+               #dma-cells = <2>;
                pinctrl-names = "default";
                pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
                status = "disabled";