Commit 3425fe33 authored by Katsuhiro Suzuki's avatar Katsuhiro Suzuki Committed by Heiko Stuebner
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ARM: dts: rockchip: use DMA channels for UARTs for RK3288 



This patch enables to use DMAC for all UARTs that are connected to
dmac_peri core for Rochchip RK3288.

Only uart2 is connected different DMAC (dmac_bus_s) so keep current
settings on this patch.

Signed-off-by: default avatarKatsuhiro Suzuki <katsuhiro@katsuster.net>
Link: https://lore.kernel.org/r/20200315095115.10106-1-katsuhiro@katsuster.net


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent c0044dc7

arch/arm/boot/dts/rk3288.dtsi

+8 −0
Original line number Diff line number Diff line
@@ -420,6 +420,8 @@ 
		reg-io-width = <4>;

		clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;

		clock-names = "baudclk", "apb_pclk";

		dmas = <&dmac_peri 1>, <&dmac_peri 2>;

		dma-names = "tx", "rx";

		pinctrl-names = "default";

		pinctrl-0 = <&uart0_xfer>;

		status = "disabled";
@@ -433,6 +435,8 @@ 
		reg-io-width = <4>;

		clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;

		clock-names = "baudclk", "apb_pclk";

		dmas = <&dmac_peri 3>, <&dmac_peri 4>;

		dma-names = "tx", "rx";

		pinctrl-names = "default";

		pinctrl-0 = <&uart1_xfer>;

		status = "disabled";
@@ -459,6 +463,8 @@ 
		reg-io-width = <4>;

		clocks = <&cru SCLK_UART3>, <&cru PCLK_UART3>;

		clock-names = "baudclk", "apb_pclk";

		dmas = <&dmac_peri 7>, <&dmac_peri 8>;

		dma-names = "tx", "rx";

		pinctrl-names = "default";

		pinctrl-0 = <&uart3_xfer>;

		status = "disabled";
@@ -472,6 +478,8 @@ 
		reg-io-width = <4>;

		clocks = <&cru SCLK_UART4>, <&cru PCLK_UART4>;

		clock-names = "baudclk", "apb_pclk";

		dmas = <&dmac_peri 9>, <&dmac_peri 10>;

		dma-names = "tx", "rx";

		pinctrl-names = "default";

		pinctrl-0 = <&uart4_xfer>;

		status = "disabled";

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