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arm64: dts: rockchip: Add user button to Radxa E20C

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Radxa E20C has two buttons, one SARADC maskrom button and one GPIO user
button.

Add support for the user button using a gpio-keys node.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20250304201642.831218-3-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Jonas Karlman 2025-03-04 20:16:35 +00:00 committed by Heiko Stuebner
parent 6a709e0034
commit ad8afc8813
1 changed files with 20 additions and 0 deletions
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20
arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
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@ -7,6 +7,7 @@
/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
#include "rk3528.dtsi"
@ -18,6 +19,19 @@ chosen {
stdout-path = "serial0:1500000n8";
};
gpio-keys {
compatible = "gpio-keys";
pinctrl-names = "default";
pinctrl-0 = <&user_key>;
button-user {
gpios = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
label = "USER";
linux,code = <BTN_1>;
wakeup-source;
};
};
leds {
compatible = "gpio-leds";
pinctrl-names = "default";
@ -50,6 +64,12 @@ led-wan {
};
&pinctrl {
gpio-keys {
user_key: user-key {
rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
leds {
lan_led_g: lan-led-g {
rockchip,pins = <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;