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

Matthias Brugger
2020-07-14T18:15:06Z

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@mediatek.com>
> ---
> 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