Add UART dma channels as specified by the rk3399 TRM. Refer: RK3399 TRM V1.4: Chapter 12 DMA Controller Signed-off-by: Katsuhiro Suzuki <katsuhiro@xxxxxxxxxxxxx> --- Changes from v1: - Add dma property for UART4 --- arch/arm64/boot/dts/rockchip/rk3399.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 0301e3e01b38..31e487202676 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -635,6 +635,8 @@ clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>; clock-names = "baudclk", "apb_pclk"; interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH 0>; + dmas = <&dmac_peri 0>, <&dmac_peri 1>; + dma-names = "tx", "rx"; reg-shift = <2>; reg-io-width = <4>; pinctrl-names = "default"; @@ -648,6 +650,8 @@ clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>; clock-names = "baudclk", "apb_pclk"; interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH 0>; + dmas = <&dmac_peri 2>, <&dmac_peri 3>; + dma-names = "tx", "rx"; reg-shift = <2>; reg-io-width = <4>; pinctrl-names = "default"; @@ -661,6 +665,8 @@ clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>; clock-names = "baudclk", "apb_pclk"; interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH 0>; + dmas = <&dmac_peri 4>, <&dmac_peri 5>; + dma-names = "tx", "rx"; reg-shift = <2>; reg-io-width = <4>; pinctrl-names = "default"; @@ -674,6 +680,8 @@ clocks = <&cru SCLK_UART3>, <&cru PCLK_UART3>; clock-names = "baudclk", "apb_pclk"; interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH 0>; + dmas = <&dmac_peri 6>, <&dmac_peri 7>; + dma-names = "tx", "rx"; reg-shift = <2>; reg-io-width = <4>; pinctrl-names = "default"; @@ -1152,6 +1160,8 @@ clocks = <&pmucru SCLK_UART4_PMU>, <&pmucru PCLK_UART4_PMU>; clock-names = "baudclk", "apb_pclk"; interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH 0>; + dmas = <&dmac_peri 8>, <&dmac_peri 9>; + dma-names = "tx", "rx"; reg-shift = <2>; reg-io-width = <4>; pinctrl-names = "default"; -- 2.20.1 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip
