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    Subject[PATCH] arm64: dts: rockchip: add rk3399 UART DMAs
    Date
    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@katsuster.net>
    ---
    arch/arm64/boot/dts/rockchip/rk3399.dtsi | 8 ++++++++
    1 file changed, 8 insertions(+)

    diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
    index 0301e3e01b38..4eed7aae6989 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";
    --
    2.20.1
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