boards: sf32lb52_devkit_lcd: define buttons and led

Define the two keys and LED available in the board. Also enable
CONFIG_GPIO=y (considered minimal in Zephyr).

Signed-off-by: Gerard Marull-Paretas <[email protected]>

Author: gmarull

boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd.dts

@@ -7,6 +7,8 @@
 
 #include <sifli/sf32lb52x.dtsi>
 #include <sifli/sf32lb52x-ram012.dtsi>
+#include <zephyr/dt-bindings/gpio/gpio.h>
+#include <zephyr/dt-bindings/input/input-event-codes.h>
 
 #include "sf32lb52_devkit_lcd-pinctrl.dtsi"
 
@@ -20,6 +22,37 @@
 		zephyr,console = &usart1;
 		zephyr,shell-uart = &usart1;
 	};
+
+	buttons {
+		compatible = "gpio-keys";
+
+		key1: key1 {
+			label = "KEY1";
+			gpios = <&gpioa_32_44 2 GPIO_ACTIVE_HIGH>;
+			zephyr,code = <INPUT_KEY_1>;
+		};
+
+		key2: key2 {
+			label = "KEY2";
+			gpios = <&gpioa_00_31 11 GPIO_ACTIVE_HIGH>;
+			zephyr,code = <INPUT_KEY_2>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led0: led0 {
+			label = "LED0";
+			gpios = <&gpioa_00_31 26 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	aliases {
+		led0 = &led0;
+		sw0 = &key1;
+		sw1 = &key2;
+	};
 };
 
 &cpu0 {
@@ -43,6 +76,14 @@
 	};
 };
 
+&gpioa_00_31 {
+	status = "okay";
+};
+
+&gpioa_32_44 {
+	status = "okay";
+};
+
 &mpi2 {
 	status = "okay";
 

boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd.yaml

@@ -11,4 +11,5 @@ toolchain:
   - zephyr
 supported:
   - uart
+  - gpio
 vendor: sifli

boards/sifli/sf32lb52_devkit_lcd/sf32lb52_devkit_lcd_defconfig

@@ -5,6 +5,7 @@ CONFIG_ARM_MPU=y
 CONFIG_HW_STACK_PROTECTION=y
 
 CONFIG_SERIAL=y
+CONFIG_GPIO=y
 
 CONFIG_CONSOLE=y
 CONFIG_UART_CONSOLE=y