boards: st: add adc1 peripheral for nucleo_h533re

This nucleo board inherit from the root `h5` dts some special nodes:
- `vbat` on adc1 channel 2
- `vref` on adc1 channel 17
- `die_temp` on adc1 channel 16

The issue is discussed here:
zephyrproject-rtos/zephyr#72914

(cherry picked from commit 648f6dc)

Original-Signed-off-by: Alex Fabre <alex.fabre@rtone.fr>
GitOrigin-RevId: 648f6dc
Change-Id: I73bbe54c7534709464e3d7eb23c6461b44c1932e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5666209
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Tested-by: Ting Shen <phoenixshen@chromium.org>
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>
Commit-Queue: Ting Shen <phoenixshen@chromium.org>

boards/st/nucleo_h533re/nucleo_h533re.dts

@@ -53,7 +53,9 @@
  pwm-led0 = &green_pwm_led;
  sw0 = &user_button;
  watchdog0 = &iwdg;
+ die-temp0 = &die_temp;
  volt-sensor0 = &vref;
+ volt-sensor1 = &vbat;
  };
 };
 
@@ -118,10 +120,26 @@
  };
 };
 
+&adc1 {
+ pinctrl-0 = <&adc1_inp0_pa0>; /* Arduino A0 */
+ pinctrl-names = "default";
+ st,adc-clock-source = <ASYNC>;
+ st,adc-prescaler = <8>;
+ status = "okay";
+};
+
+&die_temp {
+ status = "okay";
+};
+
 &vref {
  status = "okay";
 };
 
+&vbat {
+ status = "okay";
+};
+
 &rng {
  status = "okay";
 };

tests/drivers/adc/adc_api/boards/nucleo_h533re.overlay

@@ -0,0 +1,25 @@
+/*
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Copyright (c) Alex Fabre <alex.fabre@rtone.fr>
+ */
+
+/ {
+ zephyr,user {
+ /* adjust channel number according to pinmux in board.dts */
+ io-channels = <&adc1 0>;
+ };
+};
+
+&adc1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ channel@0 {
+ reg = <0>;
+ zephyr,gain = "ADC_GAIN_1";
+ zephyr,reference = "ADC_REF_INTERNAL";
+ zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+ zephyr,resolution = <12>;
+ };
+};