boards: arm: stm32l562e_dk: Enabling DAC1 support in device tree

This commit enables DAC1 support for stm32l562e_dk platform in
device tree.

Signed-off-by: Sidhdharth Yadav <[email protected]>

Author: sarthsmart

boards/arm/stm32l562e_dk/doc/index.rst

@@ -172,6 +172,8 @@ The Zephyr stm32l562e_dk board configuration supports the following hardware fea
 +-----------+------------+-------------------------------------+
 | PWM       | on-chip    | PWM                                 |
 +-----------+------------+-------------------------------------+
+| DAC       | on-chip    | DAC Controller                      |
++-----------+------------+-------------------------------------+
 
 Other hardware features are not yet supported on this Zephyr port.
 
@@ -196,6 +198,7 @@ Default Zephyr Peripheral Mapping:
 - USER_PB : PC13
 - LD10 : PG12
 - PWM_2_CH1 : PA0
+- DAC1 : PA4
 
 System Clock
 ------------

boards/arm/stm32l562e_dk/stm32l562e_dk.yaml

@@ -12,5 +12,6 @@ supported:
   - lptim
   - pwm
   - watchdog
+  - dac
 ram: 192
 flash: 512

boards/arm/stm32l562e_dk/stm32l562e_dk_common.dtsi

@@ -124,3 +124,8 @@
 		pinctrl-0 = <&tim2_ch1_pa0>;
 	};
 };
+
+&dac1 {
+	status = "okay";
+	pinctrl-0 = <&dac1_out1_pa4>;
+};

boards/arm/stm32l562e_dk/stm32l562e_dk_ns.yaml

@@ -10,5 +10,6 @@ supported:
   - i2c
   - lsm6dso
   - lptim
+  - dac
 ram: 192
 flash: 512