Mask Rom key is connected to SARADC and can be read from OS.
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@xxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
index e63b2faee3b5..69abcf1e5611 100644
--- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
@@ -8,6 +8,7 @@
/dts-v1/;
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
#include <dt-bindings/pinctrl/rockchip.h>
#include <dt-bindings/usb/pd.h>
#include "rk3588.dtsi"
@@ -21,6 +22,20 @@ aliases {
mmc1 = &sdmmc;
};
+ adc-keys-0 {
+ compatible = "adc-keys";
+ io-channels = <&saradc 0>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1800000>;
+ poll-interval = <100>;
+
+ button-maskrom {
+ label = "Mask Rom";
+ linux,code = <KEY_SETUP>;
+ press-threshold-microvolt = <2000>;
+ };
+ };
+
chosen {
stdout-path = "serial2:1500000n8";
};
--
2.46.0
