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riscv: sophgo: dts: add power key for pioneer box

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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>
This commit is contained in:
Chen Wang
2024-10-22 10:00:31 +08:00
committed by Inochi Amaoto
parent 45a544a62e
commit 128bded4bc
1 changed files with 15 additions and 0 deletions
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arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
+15
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@@ -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 {