Re: [PATCH v8 6/7] arm64: dts: add dts nodes for MT6779

[Matthias Brugger]

On 14/07/2020 11:20, Hanks Chen wrote:
> this adds initial MT6779 dts settings for board support,
> including cpu, gic, timer, ccf, pinctrl, uart, sysirq...etc.
>
> Signed-off-by: Hanks Chen <hanks.chen@xxxxxxxxxxxx>
> ---
>   arch/arm64/boot/dts/mediatek/Makefile       |   1 +
>   arch/arm64/boot/dts/mediatek/mt6779-evb.dts |  31 +++
>   arch/arm64/boot/dts/mediatek/mt6779.dtsi    | 271 ++++++++++++++++++++
>   3 files changed, 303 insertions(+)
>   create mode 100644 arch/arm64/boot/dts/mediatek/mt6779-evb.dts
>   create mode 100644 arch/arm64/boot/dts/mediatek/mt6779.dtsi
[...]
> +
> +		uart0: serial@11002000 {
> +			compatible = "mediatek,mt6779-uart",
> +				     "mediatek,mt6577-uart";
> +			reg = <0 0x11002000 0 0x400>;
> +			interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART0>;
> +			clock-names = "baud", "bus";
> +			status = "disabled";
> +		};
> +
> +		uart1: serial@11003000 {
> +			compatible = "mediatek,mt6779-uart",
> +				     "mediatek,mt6577-uart";
> +			reg = <0 0x11003000 0 0x400>;
> +			interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART1>;
> +			clock-names = "baud", "bus";
> +			status = "disabled";
> +		};
> +
> +		uart2: serial@11004000 {
> +			compatible = "mediatek,mt6779-uart",
> +				     "mediatek,mt6577-uart";
> +			reg = <0 0x11004000 0 0x400>;
> +			interrupts = <GIC_SPI 117 IRQ_TYPE_LEVEL_LOW>;
> +			clocks = <&clk26m>, <&infracfg_ao CLK_INFRA_UART2>;
> +			clock-names = "baud", "bus";
> +			status = "disabled";
> +		};

Devicetree describes the HW we have. As far as I know, we have 4 UARTs on 
MT6779. So we should list them all here.

Regards,
Matthias