boards: quick_feather: enable GPIO driver

Enable GPIO driver for Quick Feather board.

Co-authored-by: Jan Kowalewski <jkowalewski@antmicro.com>

Signed-off-by: Wojciech Tatarski <wtatarski@antmicro.com>
Signed-off-by: Jan Kowalewski <jkowalewski@antmicro.com>

boards/arm/quick_feather/doc/index.rst

@@ -42,6 +42,8 @@ features:
 +===========+============+=====================================+
 | UART      | on-chip    | serial port                         |
 +-----------+------------+-------------------------------------+
+| GPIO      | on-chip    | gpio                                |
++-----------+------------+-------------------------------------+
 
 The default configuration can be found in the Kconfig file
 :zephyr_file:`boards/arm/quick_feather/quick_feather_defconfig`.

boards/arm/quick_feather/quick_feather.dts

@@ -18,12 +18,48 @@
 		zephyr,uart-pipe = &uart0;
 	};
 
+	aliases {
+		led0 = &blue_led;
+		led1 = &green_led;
+		led2 = &red_led;
+		sw0 = &button0;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		blue_led: led_0 {
+			gpios = <&gpio 4 GPIO_ACTIVE_HIGH>;
+			label = "LED 0";
+		};
+
+		green_led: led_1 {
+			gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
+			label = "LED 1";
+		};
+
+		red_led: led_2 {
+			gpios = <&gpio 6 GPIO_ACTIVE_HIGH>;
+			label = "LED 2";
+		};
+	};
+
+	buttons {
+		compatible = "gpio-keys";
+		button0: button_0 {
+			gpios = <&gpio 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "User Push Button 0";
+		};
+	};
 };
 
 &cpu0 {
 	clock-frequency = <61440000>;
 };
 
+&gpio {
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 	current-speed = <115200>;

boards/arm/quick_feather/quick_feather_defconfig

@@ -26,3 +26,6 @@ CONFIG_XIP=n
 CONFIG_FLASH=n
 CONFIG_FLASH_SIZE=0
 CONFIG_FLASH_BASE_ADDRESS=0x0
+
+# GPIO
+CONFIG_GPIO=y