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boards: st: add adc-keys support for stm32c0116_dk

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Add support for stm32c0116_dk joystick based on adc-keys gem

Signed-off-by: Romain Pelletant <romainp@kickmaker.net>
This commit is contained in:
Romain Pelletant 2024-05-03 22:51:42 +02:00 • committed by Anas Nashif
commit 1cc3f22980
1 changed files with 47 additions and 1 deletions
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48
boards/st/stm32c0116_dk/stm32c0116_dk.dts
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@ -7,6 +7,7 @@
/dts-v1/;
#include <st/c0/stm32c011X6.dtsi>
#include <st/c0/stm32c011f(4-6)ux-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>
/ {
model = "STMicroelectronics STM32C0116-DK Discovery board";
@ -41,6 +42,38 @@
label = "reset button";
gpios = <&gpiof 2 GPIO_ACTIVE_LOW>;
status = "okay";
zephyr,code = <INPUT_KEY_0>;
};
};
adc-keys {
compatible = "adc-keys";
io-channels = <&adc1 8>;
keyup-threshold-mv = <3300>;
select_key {
press-thresholds-mv = <0>;
zephyr,code = <INPUT_KEY_SELECT>;
};
left_key {
press-thresholds-mv = <670>;
zephyr,code = <INPUT_KEY_LEFT>;
};
down_key {
press-thresholds-mv = <1320>;
zephyr,code = <INPUT_KEY_DOWN>;
};
up_key {
press-thresholds-mv = <2010>;
zephyr,code = <INPUT_KEY_UP>;
};
right_key {
press-thresholds-mv = <2650>;
zephyr,code = <INPUT_KEY_RIGHT>;
};
};
@ -109,8 +142,21 @@
pinctrl-0 = <&adc1_in8_pa8>;
pinctrl-names = "default";
st,adc-clock-source = <SYNC>;
st,adc-prescaler = <4>;
st,adc-prescaler = <2>;
status = "okay";
#address-cells = <1>;
#size-cells = <0>;
channel@8 {
reg = <0x8>;
zephyr,gain = "ADC_GAIN_1";
zephyr,reference = "ADC_REF_INTERNAL";
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
zephyr,resolution = <12>;
zephyr,vref-mv = <3300>;
};
};
&die_temp {