boards: nxp: add adc support for frdm_ke17z and frdm_ke17z512

Enabled adc driver support for ke17z and ke17z512.

Signed-off-by: Anke Xiao <anke.xiao@nxp.com>

boards/nxp/frdm_ke17z/doc/index.rst

@@ -55,6 +55,8 @@ features:
 +-----------+------------+-------------------------------------+
 | PINCTRL   | on-chip    | pinctrl                             |
 +-----------+------------+-------------------------------------+
+| ADC       | on-chip    | adc                                 |
++-----------+------------+-------------------------------------+
 | GPIO      | on-chip    | gpio                                |
 +-----------+------------+-------------------------------------+
 | UART      | on-chip    | uart                                |

boards/nxp/frdm_ke17z/frdm_ke17z-pinctrl.dtsi

@@ -8,6 +8,13 @@
 #include <nxp/kinetis/MKE17Z256VLL7-pinctrl.h>
 
 &pinctrl {
+	adc0_default: adc0_default {
+		group0 {
+			pinmux = <ADC0_SE0_PTE9>;
+			drive-strength = "low";
+			slew-rate = "slow";
+		};
+	};
 
 	lpuart0_default: lpuart0_default {
 		group0 {

boards/nxp/frdm_ke17z/frdm_ke17z.dts

@@ -69,6 +69,13 @@
 	pinctrl-names = "default";
 };
 
+&adc0 {
+	status = "okay";
+	sample-time = <12>;
+	pinctrl-0 = <&adc0_default>;
+	pinctrl-names = "default";
+};
+
 &lpi2c0 {
 	status = "okay";
 	pinctrl-0 = <&lpi2c0_default>;

boards/nxp/frdm_ke17z/frdm_ke17z.yaml

@@ -10,6 +10,7 @@ toolchain:
   - xtools
 supported:
   - gpio
+  - adc
   - uart
   - i2c
   - spi

boards/nxp/frdm_ke17z512/doc/index.rst

@@ -54,6 +54,8 @@ features:
 +-----------+------------+-------------------------------------+
 | SYSTICK   | on-chip    | systick                             |
 +-----------+------------+-------------------------------------+
+| ADC       | on-chip    | adc                                 |
++-----------+------------+-------------------------------------+
 | GPIO      | on-chip    | gpio                                |
 +-----------+------------+-------------------------------------+
 | UART      | on-chip    | uart polling;                       |

boards/nxp/frdm_ke17z512/frdm_ke17z512-pinctrl.dtsi

@@ -8,6 +8,13 @@
 #include <nxp/kinetis/MKE17Z512VLL9-pinctrl.h>
 
 &pinctrl {
+	adc0_default: adc0_default {
+		group0 {
+			pinmux = <ADC0_SE0_PTE9>;
+			drive-strength = "low";
+			slew-rate = "slow";
+		};
+	};
 
 	/* Configures pin routing and optionally pin electrical features. */
 	lpuart2_default: lpuart2_default {

boards/nxp/frdm_ke17z512/frdm_ke17z512.dts

@@ -69,6 +69,13 @@
 	current-speed = <115200>;
 };
 
+&adc0 {
+	status = "okay";
+	sample-time = <12>;
+	pinctrl-0 = <&adc0_default>;
+	pinctrl-names = "default";
+};
+
 &gpiod {
 	status = "okay";
 };

boards/nxp/frdm_ke17z512/frdm_ke17z512.yaml

@@ -16,6 +16,7 @@ toolchain:
   - xtools
 supported:
   - gpio
+  - adc
   - uart
   - i2c
   - spi