]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
ARM: dts: rockchip: Add UART DMA support for rv1108
authorOtavio Salvador <otavio@ossystems.com.br>
Mon, 26 Nov 2018 17:35:05 +0000 (15:35 -0200)
committerHeiko Stuebner <heiko@sntech.de>
Tue, 27 Nov 2018 00:09:12 +0000 (01:09 +0100)
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>
arch/arm/boot/dts/rv1108.dtsi

index 300de8e1475bfd075c0b1b69eecb5be4fcdb3be4..17dbcf2571fdf4570bf719b7cb3d4dfb7a930b6f 100644 (file)
@@ -119,6 +119,8 @@ uart2: serial@10210000 {
                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 @@ uart1: serial@10220000 {
                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 @@ uart0: serial@10230000 {
                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";