boards: nxp: mimxrt1180_evk: add lpadc1 support

add lpadc1 ch0a/ch1a channel in pinctrl
set lpadc1 status ok

Signed-off-by: Lucien Zhao <lucien.zhao@nxp.com>

boards/nxp/mimxrt1180_evk/doc/index.rst

@@ -109,6 +109,8 @@ configuration supports the following hardware features:
 +-----------+------------+-------------------------------------+
 | ACMP      | on-chip    | analog comparator                   |
 +-----------+------------+-------------------------------------+
+| ADC       | on-chip    | adc                                 |
++-----------+------------+-------------------------------------+
 
 The default configuration can be found in the defconfig file:
 :zephyr_file:`boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm33_defconfig`

boards/nxp/mimxrt1180_evk/mimxrt1180_evk-pinctrl.dtsi

@@ -63,4 +63,14 @@
 			input-enable;
 		};
 	};
+
+	pinmux_lpadc1: pinmux_lpadc1 {
+		group0 {
+			pinmux = <&iomuxc_gpio_ad_16_adc1_ch0a>,
+				<&iomuxc_gpio_ad_14_adc1_ch1a>;
+			drive-strength = "high";
+			bias-pull-down;
+			slew-rate = "fast";
+		};
+	};
 };

boards/nxp/mimxrt1180_evk/mimxrt1180_evk.dtsi

@@ -81,3 +81,8 @@
 	pinctrl-0 = <&pinmux_lpi2c3>;
 	pinctrl-names = "default";
 };
+
+&lpadc1 {
+	pinctrl-0 = <&pinmux_lpadc1>;
+	pinctrl-names = "default";
+};

boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm33.dts

@@ -35,6 +35,9 @@
 	current-speed = <115200>;
 };
 
+&lpadc1 {
+	status = "okay";
+};
 
 &systick {
 	status = "okay";

boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm33.yaml

@@ -19,4 +19,5 @@ supported:
   - uart
   - i2c
   - counter
+  - adc
 vendor: nxp

boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm7.dts

@@ -27,6 +27,10 @@
 	current-speed = <115200>;
 };
 
+&lpadc1 {
+	status = "okay";
+};
+
 &systick {
 	status = "okay";
 };

boards/nxp/mimxrt1180_evk/mimxrt1180_evk_mimxrt1189_cm7.yaml

@@ -19,4 +19,5 @@ supported:
   - uart
   - i2c
   - counter
+  - adc
 vendor: nxp