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Subject[PATCH] ARM: dts: rockchip: use DMA channels for UARTs of TinkerBoard
Date
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@katsuster.net>
---
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
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