Re: [PATCH v4 18/19] arm64: dts: exynos: google: Add initial Oriole/pixel 6 board support

[Sam Protsenko <semen.protsenko@xxxxxxxxxx>]

On Mon, Nov 20, 2023 at 3:21 PM Peter Griffin <peter.griffin@xxxxxxxxxx> wrote:
>
> Add initial board support for the Pixel 6 phone code named Oriole. This
> has been tested with a minimal busybox initramfs and boots to a shell.
>
> Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/exynos/Makefile           |  2 +
>  arch/arm64/boot/dts/exynos/google/Makefile    |  4 +
>  .../boot/dts/exynos/google/gs101-oriole.dts   | 79 +++++++++++++++++++
>  3 files changed, 85 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/exynos/google/Makefile
>  create mode 100644 arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
>
> diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
> index 6e4ba69268e5..44c24a8ad9e1 100644
> --- a/arch/arm64/boot/dts/exynos/Makefile
> +++ b/arch/arm64/boot/dts/exynos/Makefile
> @@ -1,4 +1,6 @@
>  # SPDX-License-Identifier: GPL-2.0
> +subdir-y += google
> +
>  dtb-$(CONFIG_ARCH_EXYNOS) += \
>         exynos5433-tm2.dtb              \
>         exynos5433-tm2e.dtb             \
> diff --git a/arch/arm64/boot/dts/exynos/google/Makefile b/arch/arm64/boot/dts/exynos/google/Makefile
> new file mode 100644
> index 000000000000..0a6d5e1fe4ee
> --- /dev/null
> +++ b/arch/arm64/boot/dts/exynos/google/Makefile
> @@ -0,0 +1,4 @@
> +# SPDX-License-Identifier: GPL-2.0
> +
> +dtb-$(CONFIG_ARCH_EXYNOS) += \
> +       gs101-oriole.dtb \
> diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
> new file mode 100644
> index 000000000000..111665490840
> --- /dev/null
> +++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
> @@ -0,0 +1,79 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Oriole Device Tree
> + *
> + * Copyright 2021-2023 Google,LLC
> + */
> +
> +/dts-v1/;
> +/plugin/;

Now that the dts is being built as a dtb (not dtbo), I don' think this
/plugin/ bit is needed here?

> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include "gs101-pinctrl.h"
> +#include "gs101.dtsi"
> +
> +/ {
> +       model = "Oriole";
> +       compatible = "google,gs101-oriole", "google,gs101";
> +
> +       chosen {
> +               bootargs = "earlycon=exynos4210,mmio32,0x10A00000 console=ttySAC0";
> +       };
> +
> +       gpio-keys {
> +               compatible = "gpio-keys";
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&key_voldown>, <&key_volup>, <&key_power>;
> +
> +               button-vol-down {
> +                       label = "KEY_VOLUMEDOWN";
> +                       linux,code = <KEY_VOLUMEDOWN>;
> +                       gpios = <&gpa7 3 GPIO_ACTIVE_LOW>;
> +                       wakeup-source;
> +               };
> +
> +               button-vol-up {
> +                       label = "KEY_VOLUMEUP";
> +                       linux,code = <KEY_VOLUMEUP>;
> +                       gpios = <&gpa8 1 GPIO_ACTIVE_LOW>;
> +                       wakeup-source;
> +               };
> +
> +               button-power {
> +                       label = "KEY_POWER";
> +                       linux,code = <KEY_POWER>;
> +                       gpios = <&gpa10 1 GPIO_ACTIVE_LOW>;
> +                       wakeup-source;
> +               };
> +       };
> +};
> +
> +&pinctrl_1 {
> +       key_voldown: key-voldown-pins {
> +               samsung,pins = "gpa7-3";
> +               samsung,pin-function = <0xf>;
> +               samsung,pin-pud = <0>;
> +               samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
> +       };
> +
> +       key_volup: key-volup-pins {
> +               samsung,pins = "gpa8-1";
> +               samsung,pin-function = <0xf>;
> +               samsung,pin-pud = <0>;
> +               samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
> +       };
> +};
> +
> +&pinctrl_0 {
> +       key_power: key-power-pins {
> +               samsung,pins = "gpa10-1";
> +               samsung,pin-function = <0xf>;
> +               samsung,pin-pud = <0>;
> +               samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
> +       };
> +};
> +
> +&watchdog_cl0 {
> +       timeout-sec = <30>;
> +};
> --
> 2.43.0.rc1.413.gea7ed67945-goog
>