Try to add DMA support to the uart nodes following the assignments made in the dts from the victoria vendor kernel here: https://consumer.huawei.com/en/opensource/detail/?siteCode=worldwide&keywords=p10&fileType=openSourceSoftware&pageSize=10&curPage=1
Cc: Tanglei Han <[email protected]> Cc: Zhuangluan Su <[email protected]> Cc: Ryan Grachek <[email protected]> Cc: Manivannan Sadhasivam <[email protected]> Cc: Wei Xu <[email protected]> Cc: Rob Herring <[email protected]> Cc: Mark Rutland <[email protected]> Cc: [email protected] Cc: [email protected] Acked-by: Manivannan Sadhasivam <[email protected]> Signed-off-by: John Stultz <[email protected]> --- v3: * Remove dma enablment on uart0 which would use reserved channel 0 --- arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi index 1734675..37a997a 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi @@ -484,6 +484,8 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xfdf00000 0x0 0x1000>; interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>; + dma-names = "rx", "tx"; + dmas = <&dma0 2 &dma0 3>; clocks = <&crg_ctrl HI3660_CLK_GATE_UART1>, <&crg_ctrl HI3660_CLK_GATE_UART1>; clock-names = "uartclk", "apb_pclk"; @@ -496,6 +498,8 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xfdf03000 0x0 0x1000>; interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>; + dma-names = "rx", "tx"; + dmas = <&dma0 4 &dma0 5>; clocks = <&crg_ctrl HI3660_CLK_GATE_UART2>, <&crg_ctrl HI3660_PCLK>; clock-names = "uartclk", "apb_pclk"; @@ -520,6 +524,8 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xfdf01000 0x0 0x1000>; interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>; + dma-names = "rx", "tx"; + dmas = <&dma0 6 &dma0 7>; clocks = <&crg_ctrl HI3660_CLK_GATE_UART4>, <&crg_ctrl HI3660_CLK_GATE_UART4>; clock-names = "uartclk", "apb_pclk"; @@ -532,6 +538,8 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xfdf05000 0x0 0x1000>; interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>; + dma-names = "rx", "tx"; + dmas = <&dma0 8 &dma0 9>; clocks = <&crg_ctrl HI3660_CLK_GATE_UART5>, <&crg_ctrl HI3660_CLK_GATE_UART5>; clock-names = "uartclk", "apb_pclk"; -- 2.7.4
