boards: cc3220sf_launchxl: Add dts support for led/buttons

Move LED/Button info from board.h to dts.

Signed-off-by: Kumar Gala <[email protected]>

Author: galak

boards/arm/cc3220sf_launchxl/board.h

@@ -6,20 +6,4 @@
 #ifndef __INC_BOARD_H
 #define __INC_BOARD_H
 
-/* Push button switch 2 */
-#define SW2_GPIO_PIN	6    /* GPIO22/Pin15 */
-#define SW2_GPIO_NAME	"GPIO_A2"
-
-/* Push button switch 3 */
-#define SW3_GPIO_PIN	5    /* GPIO13/Pin4 */
-#define SW3_GPIO_NAME	"GPIO_A1"
-
-/* Push button switch 0: Map to SW2 so zephyr button example works */
-#define SW0_GPIO_PIN	SW2_GPIO_PIN
-#define SW0_GPIO_NAME	SW2_GPIO_NAME
-
-/* Onboard GREEN LED */
-#define LED0_GPIO_PIN   3  /*GPIO11/Pin2 */
-#define LED0_GPIO_PORT  "GPIO_A1"
-
 #endif /* __INC_BOARD_H */

boards/arm/cc3220sf_launchxl/cc3220sf_launchxl.dts

@@ -10,13 +10,47 @@
 		uart-0 = &uart0;
 		uart-1 = &uart1;
 		i2c-0 = &i2c0;
+		led0 = &led0;
+		/* sw0/1 alias defined for compatibility with samples */
+		sw0 = &sw2;
+		sw1 = &sw3;
 	};
 
 	chosen {
 		zephyr,sram = &sram0;
 		zephyr,flash = &flash1;
 		zephyr,console = &uart0;
 	};
+
+	leds {
+		compatible = "gpio-leds";
+		led0: led_0 {
+			gpios = <&gpioa1 3 0>;
+			label = "Green LED";
+		};
+		led1: led_1 {
+			gpios = <&gpioa1 2 0>;
+			label = "Yellow LED";
+		};
+		led2: led_2 {
+			gpios = <&gpioa1 1 0>;
+			label = "Red LED";
+		};
+	};
+
+	buttons {
+		/* Push button 2 */
+		compatible = "gpio-keys";
+		sw2: button_0 {
+			gpios = <&gpioa2 6 GPIO_INT_ACTIVE_LOW>;
+			label = "Push button switch 2";
+		};
+		/* Push button 3 */
+		sw3: button_1 {
+			gpios = <&gpioa1 5 GPIO_INT_ACTIVE_LOW>;
+			label = "Push button switch 3";
+		};
+	};
 };
 
 &uart0 {