diff options
| author | Chen Wang <unicorn_wang@outlook.com> | 2024-10-08 09:43:52 +0800 |
|---|---|---|
| committer | Inochi Amaoto <inochiama@gmail.com> | 2024-10-22 10:00:31 +0800 |
| commit | 128bded4bc5253b94c66acd63bef03f16148ae4f (patch) | |
| tree | 188428ab324d6901eccb2d6cdea8b2a9fcb8e7d9 /arch/riscv/boot | |
| parent | 45a544a62ef7cac9ecc69585a90da72ca68af898 (diff) | |
riscv: sophgo: dts: add power key for pioneer box
There is a power button on the front panel of the pioneer box.
Short pressing the button will trigger the onboard MCU to
notify SG2042 through GPIO22 to enter the power-off process.
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/12e65a99f1b52c52b7372e900a203063b30c74b5.1728350655.git.unicorn_wang@outlook.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Diffstat (limited to 'arch/riscv/boot')
| -rw-r--r-- | arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts index a3f9d6f22566..be596d01ff8d 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts +++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts @@ -5,6 +5,9 @@ #include "sg2042.dtsi" +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/input/input.h> + / { model = "Milk-V Pioneer"; compatible = "milkv,pioneer", "sophgo,sg2042"; @@ -12,6 +15,18 @@ chosen { stdout-path = "serial0"; }; + + gpio-power { + compatible = "gpio-keys"; + + key-power { + label = "Power Key"; + linux,code = <KEY_POWER>; + gpios = <&port0a 22 GPIO_ACTIVE_HIGH>; + linux,input-type = <EV_KEY>; + debounce-interval = <100>; + }; + }; }; &cgi_main { |