On Thu, Jan 10, 2019 at 09:34:10AM -0800, John Stultz wrote:
> 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=p10=openSourceSoftware=10=1
>
> Cc: Tanglei Han
> Cc: Zhuangluan Su
> Cc: Ryan Grachek
> Cc: Manivannan Sadhasivam
> Cc: Wei Xu
> Cc: Rob Herring
> Cc: Mark Rutland
> Cc: linux-arm-ker...@lists.infradead.org
> Cc: devicet...@vger.kernel.org
> Signed-off-by: John Stultz
Acked-by: Manivannan Sadhasivam
Thanks,
Mani
> ---
> 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 20ae40d..4c8d682 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
> @@ -478,6 +478,8 @@
> compatible = "arm,pl011", "arm,primecell";
> reg = <0x0 0xfdf0 0x0 0x1000>;
> interrupts = ;
> + dma-names = "rx", "tx";
> + dmas = < 2 3>;
> clocks = <_ctrl HI3660_CLK_GATE_UART1>,
><_ctrl HI3660_CLK_GATE_UART1>;
> clock-names = "uartclk", "apb_pclk";
> @@ -490,6 +492,8 @@
> compatible = "arm,pl011", "arm,primecell";
> reg = <0x0 0xfdf03000 0x0 0x1000>;
> interrupts = ;
> + dma-names = "rx", "tx";
> + dmas = < 4 5>;
> clocks = <_ctrl HI3660_CLK_GATE_UART2>,
><_ctrl HI3660_PCLK>;
> clock-names = "uartclk", "apb_pclk";
> @@ -514,6 +518,8 @@
> compatible = "arm,pl011", "arm,primecell";
> reg = <0x0 0xfdf01000 0x0 0x1000>;
> interrupts = ;
> + dma-names = "rx", "tx";
> + dmas = < 6 7>;
> clocks = <_ctrl HI3660_CLK_GATE_UART4>,
><_ctrl HI3660_CLK_GATE_UART4>;
> clock-names = "uartclk", "apb_pclk";
> @@ -526,6 +532,8 @@
> compatible = "arm,pl011", "arm,primecell";
> reg = <0x0 0xfdf05000 0x0 0x1000>;
> interrupts = ;
> + dma-names = "rx", "tx";
> + dmas = < 8 9>;
> clocks = <_ctrl HI3660_CLK_GATE_UART5>,
><_ctrl HI3660_CLK_GATE_UART5>;
> clock-names = "uartclk", "apb_pclk";
> --
> 2.7.4
>
