boards: arm: Add vref node and alias for STM32 SoCs

Add enabled vref node for all boards of supported STM32 SoC series which
have the required adc node enabled.

Add volt-sensor alias pointing to said vref node.

Signed-off-by: Kenneth J. Miller <ken@miller.ec>

boards/arm/96b_aerocore2/96b_aerocore2.dts

@@ -36,6 +36,7 @@
 	aliases {
 		led0 = &yellow_led_1;
 		led1 = &blue_led_2;
+		volt-sensor0 = &vref;
 	};
 
 };
@@ -179,3 +180,7 @@ zephyr_udc0: &usbotg_fs {
 &rng {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/b_u585i_iot02a/b_u585i_iot02a-common.dtsi

@@ -34,6 +34,7 @@
 		watchdog0 = &iwdg;
 		spi-flash0 = &mx25lm51245;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref1;
 	};
 };
 
@@ -211,3 +212,7 @@ zephyr_udc0: &usbotg_fs {
 &iwdg {
 	status = "okay";
 };
+
+&vref1 {
+	status = "okay";
+};

boards/arm/blackpill_f401cc/blackpill_f401cc.dts

@@ -38,6 +38,7 @@
 	aliases {
 		led0 = &user_led;
 		sw0 = &user_button;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -149,3 +150,7 @@ zephyr_udc0: &usbotg_fs {
 	apb1-prescaler = <2>;
 	apb2-prescaler = <1>;
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/blackpill_f401ce/blackpill_f401ce.dts

@@ -38,6 +38,7 @@
 	aliases {
 		led0 = &user_led;
 		sw0 = &user_button;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -149,3 +150,7 @@ zephyr_udc0: &usbotg_fs {
 	apb1-prescaler = <2>;
 	apb2-prescaler = <1>;
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/blackpill_f411ce/blackpill_f411ce.dts

@@ -39,6 +39,7 @@
 	aliases {
 		led0 = &user_led;
 		sw0 = &user_button;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -150,3 +151,7 @@ zephyr_udc0: &usbotg_fs {
 	apb1-prescaler = <2>;
 	apb2-prescaler = <1>;
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/disco_l475_iot1/disco_l475_iot1.dts

@@ -66,6 +66,7 @@
 		watchdog0 = &iwdg;
 		spi-flash0 = &mx25r6435f;
 		accel0 = &lsm6dsl;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -344,3 +345,7 @@ zephyr_udc0: &usbotg_fs {
 		};
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/mikroe_clicker_2/mikroe_clicker_2.dts

@@ -49,6 +49,7 @@
 		led1 = &ld2;
 		sw0 = &user_button_0;
 		sw1 = &user_button_1;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -143,6 +144,10 @@ zephyr_udc0: &usbotg_fs {
 	pinctrl-names = "default";
 };
 
+&vref {
+	status = "okay";
+};
+
 mikrobus_1_i2c: &i2c3 {};
 
 mikrobus_1_spi: &spi3 {};

boards/arm/nucleo_c031c6/nucleo_c031c6.dts

@@ -51,6 +51,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -113,3 +114,7 @@
 &die_temp {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f030r8/nucleo_f030r8.dts

@@ -41,6 +41,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -124,3 +125,7 @@
 &die_temp {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f031k6/nucleo_f031k6.dts

@@ -37,6 +37,7 @@
 	aliases {
 		led0 = &green_led_3;
 		pwm-led0 = &green_pwm_led;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -109,3 +110,7 @@
 		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f031k6/nucleo_f031k6.yaml

@@ -9,6 +9,7 @@ toolchain:
 ram: 4
 flash: 32
 supported:
+  - adc
   - i2c
   - spi
   - gpio

boards/arm/nucleo_f042k6/nucleo_f042k6.dts

@@ -37,6 +37,7 @@
 	aliases {
 		led0 = &green_led_3;
 		pwm-led0 = &green_pwm_led;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -104,3 +105,7 @@
 		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f070rb/nucleo_f070rb.dts

@@ -41,6 +41,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -118,3 +119,7 @@
 &die_temp {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f070rb/nucleo_f070rb.yaml

@@ -9,6 +9,7 @@ toolchain:
   - gnuarmemb
   - xtools
 supported:
+  - adc
   - arduino_gpio
   - arduino_i2c
   - arduino_spi

boards/arm/nucleo_f091rc/nucleo_f091rc.dts

@@ -52,6 +52,7 @@
 		pwm-led0 = &green_pwm_led;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -173,3 +174,7 @@
 		pinctrl-names = "default";
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f302r8/nucleo_f302r8.dts

@@ -40,6 +40,7 @@
 	aliases {
 		led0 = &green_led_2;
 		sw0 = &user_button;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -122,3 +123,7 @@
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f303k8/nucleo_f303k8.dts

@@ -37,6 +37,7 @@
 	aliases {
 		led0 = &green_led_3;
 		pwm-led0 = &green_pwm_led;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -105,3 +106,7 @@
 		 <&rcc STM32_SRC_LSI RTC_SEL(2)>;
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f303k8/nucleo_f303k8.yaml

@@ -9,6 +9,7 @@ toolchain:
 ram: 12
 flash: 64
 supported:
+  - adc
   - i2c
   - spi
   - gpio

boards/arm/nucleo_f401re/nucleo_f401re.dts

@@ -51,6 +51,7 @@
 		pwm-led0 = &green_pwm_led;
 		watchdog0 = &wwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -178,3 +179,7 @@
 &wwdg {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f429zi/nucleo_f429zi.dts

@@ -53,6 +53,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -214,3 +215,7 @@ zephyr_udc0: &usbotg_fs {
 
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f446ze/nucleo_f446ze.dts

@@ -50,6 +50,7 @@
 		led1 = &blue_led_2;
 		led2 = &red_led_3;
 		sw0 = &user_button;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -215,3 +216,7 @@ zephyr_udc0: &usbotg_fs {
 		};
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f446ze/nucleo_f446ze.yaml

@@ -7,6 +7,7 @@ toolchain:
   - gnuarmemb
   - xtools
 supported:
+  - adc
   - arduino_gpio
   - arduino_i2c
   - arduino_spi

boards/arm/nucleo_f746zg/nucleo_f746zg.dts

@@ -60,6 +60,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -200,3 +201,7 @@ zephyr_udc0: &usbotg_fs {
 &backup_sram {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f767zi/nucleo_f767zi.dts

@@ -60,6 +60,7 @@
 		led2 = &red_led;
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -250,3 +251,7 @@ zephyr_udc0: &usbotg_fs {
 		};
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_f767zi/nucleo_f767zi.yaml

@@ -9,6 +9,7 @@ toolchain:
 ram: 512
 flash: 2048
 supported:
+  - adc
   - arduino_i2c
   - arduino_gpio
   - arduino_spi

boards/arm/nucleo_g070rb/nucleo_g070rb.dts

@@ -42,6 +42,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -160,3 +161,7 @@
 &cpu0 {
 	cpu-power-states = <&stop0 &stop1>;
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_g071rb/nucleo_g071rb.dts

@@ -43,6 +43,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -173,3 +174,7 @@
 		 <&rcc STM32_SRC_LSI LPTIM1_SEL(1)>;
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_g0b1re/nucleo_g0b1re.dts

@@ -44,6 +44,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -216,3 +217,7 @@ zephyr_udc0: &usb {
 		 <&rcc STM32_SRC_LSI LPTIM1_SEL(1)>;
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_g0b1re/nucleo_g0b1re.yaml

@@ -9,6 +9,7 @@ toolchain:
 ram: 144
 flash: 512
 supported:
+  - adc
   - arduino_gpio
   - arduino_i2c
   - arduino_spi

boards/arm/nucleo_g474re/nucleo_g474re.dts

@@ -57,6 +57,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -213,3 +214,7 @@
 	bus-speed-data = <1000000>;
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_h563zi/nucleo_h563zi-common.dtsi

@@ -165,3 +165,7 @@
 		};
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_h563zi/nucleo_h563zi.dts

@@ -28,6 +28,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		pwm-led0 = &pwm_led_1;
+		volt-sensor0 = &vref;
 	};
 };
 

boards/arm/nucleo_h743zi/nucleo_h743zi.dts

@@ -58,6 +58,7 @@
 		sw0 = &user_button;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -243,3 +244,7 @@ zephyr_udc0: &usbotg_fs {
 &iwdg1 {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_l073rz/nucleo_l073rz.dts

@@ -62,6 +62,7 @@
 		watchdog0 = &iwdg;
 		eeprom-0 = &eeprom;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -168,3 +169,7 @@
 &eeprom {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_l152re/nucleo_l152re.dts

@@ -42,6 +42,7 @@
 		eeprom-0 = &eeprom;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -138,3 +139,7 @@
 &dma1 {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_l412rb_p/nucleo_l412rb_p.dts

@@ -39,6 +39,7 @@
 	aliases {
 		led0 = &green_led;
 		sw0 = &user_button;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -135,3 +136,7 @@
 		};
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_l476rg/nucleo_l476rg.dts

@@ -39,6 +39,7 @@
 	aliases {
 		led0 = &green_led_2;
 		sw0 = &user_button;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -168,3 +169,7 @@
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_l4r5zi/nucleo_l4r5zi.dts

@@ -63,6 +63,7 @@
 		led2 = &red_led_0;
 		sw0 = &user_button;
 		pwm-led0 = &red_pwm_led;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -204,3 +205,7 @@ zephyr_udc0: &usbotg_fs {
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_l552ze_q/nucleo_l552ze_q-common.dtsi

@@ -35,6 +35,7 @@
 
 	aliases {
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -105,3 +106,7 @@
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_u575zi_q/nucleo_u575zi_q-common.dtsi

@@ -174,3 +174,7 @@
 	bus-speed-data = <1000000>;
 	status = "okay";
 };
+
+&vref1 {
+	status = "okay";
+};

boards/arm/nucleo_u575zi_q/nucleo_u575zi_q.dts

@@ -28,6 +28,7 @@
 		pwm-led0 = &pwm_led_1;
 		pwm-led1 = &pwm_led_2;
 		watchdog0 = &iwdg;
+		volt-sensor0 = &vref1;
 	};
 };
 

boards/arm/nucleo_u575zi_q/nucleo_u575zi_q.yaml

@@ -11,6 +11,7 @@ supported:
   - arduino_serial
   - arduino_spi
   - can
+  - adc
   - dac
   - gpio
   - i2c

boards/arm/nucleo_wb55rg/nucleo_wb55rg.dts

@@ -62,6 +62,7 @@
 		sw2 = &user_button_3;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -234,3 +235,7 @@ zephyr_udc0: &usb {
 
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/nucleo_wl55jc/nucleo_wl55jc.dts

@@ -61,6 +61,7 @@
 		lora0 = &lora;
 		watchdog0 = &iwdg;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -196,3 +197,7 @@
 		};
 	};
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/stm32f3_disco/stm32f3_disco.dts

@@ -72,6 +72,7 @@
 		watchdog0 = &iwdg;
 		accel0 = &lsm303dlhc_accel;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -233,3 +234,7 @@ zephyr_udc0: &usb {
 &dma1 {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/stm32f401_mini/stm32f401_mini.dts

@@ -38,6 +38,7 @@
 	aliases {
 		led0 = &user_led;
 		sw0 = &boot1;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -141,3 +142,7 @@ zephyr_udc0: &usbotg_fs {
 	apb1-prescaler = <2>;
 	apb2-prescaler = <1>;
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/stm32g081b_eval/stm32g081b_eval.dts

@@ -74,6 +74,7 @@
 		sw3 = &joy_right;
 		sw4 = &joy_up;
 		watchdog0 = &iwdg;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -212,3 +213,7 @@
 &iwdg {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/stm32g081b_eval/stm32g081b_eval.yaml

@@ -9,6 +9,7 @@ toolchain:
 ram: 32
 flash: 128
 supported:
+  - adc
   - uart
   - gpio
   - watchdog

boards/arm/stm32h573i_dk/stm32h573i_dk.dts

@@ -56,6 +56,7 @@
 		watchdog0 = &iwdg;
 		spi-flash0 = &mx25lm51245;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -245,3 +246,7 @@
 &die_temp {
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/stm32l496g_disco/stm32l496g_disco.dts

@@ -59,6 +59,7 @@
 		sw2 = &joy_right;
 		sw3 = &joy_up;
 		sw4 = &joy_left;
+		volt-sensor0 = &vref;
 	};
 
 };
@@ -164,3 +165,7 @@ zephyr_udc0: &usbotg_fs {
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/stm32l562e_dk/stm32l562e_dk_common.dtsi

@@ -32,6 +32,7 @@
 	aliases {
 		spi-flash0 = &mx25lm51245;
 		die-temp0 = &die_temp;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -236,3 +237,7 @@ zephyr_udc0: &usb {
 
 	cd-gpios = <&gpiof 2 GPIO_ACTIVE_LOW>;
 };
+
+&vref {
+	status = "okay";
+};

boards/arm/swan_r5/swan_r5.dts

@@ -51,6 +51,7 @@
 	aliases {
 		led0 = &led0;
 		sw0 = &user_button;
+		volt-sensor0 = &vref;
 	};
 };
 
@@ -193,3 +194,7 @@ zephyr_udc0: &usbotg_fs {
 	pinctrl-names = "default";
 	status = "okay";
 };
+
+&vref {
+	status = "okay";
+};