The PicoBoy Color as additional board variant

boards/jsed/picoboy/Kconfig.defconfig

@@ -1,14 +1,9 @@
-# Copyright (c) 2023-2024 TiaC Systems
+# Copyright (c) 2023-2025 TiaC Systems
 # SPDX-License-Identifier: Apache-2.0
 
-config BOARD_PICOBOY_RP2040
-	bool
-	default y if BOARD_PICOBOY
-	default n
-
 config RP2_FLASH_W25Q080
 	default y
-	depends on BOARD_PICOBOY_RP2040
+	depends on BOARD_PICOBOY
 
 config CLOCK_CONTROL
 	default y
@@ -19,69 +14,97 @@ config RESET
 	default y
 	depends on DT_HAS_RASPBERRYPI_PICO_RESET_ENABLED
 
+config WATCHDOG
+	default y
+	depends on DT_HAS_RASPBERRYPI_PICO_WATCHDOG_ENABLED
+
+config DMA
+	default y
+	depends on DT_HAS_RASPBERRYPI_PICO_DMA_ENABLED
+
 config GPIO
 	default y
 	depends on DT_HAS_RASPBERRYPI_PICO_GPIO_ENABLED
 
+config PWM
+	default y
+	depends on DT_HAS_RASPBERRYPI_PICO_PWM_ENABLED
+
 config REGULATOR
 	default y
 	depends on DT_HAS_REGULATOR_FIXED_ENABLED
 
+config WDT_DISABLE_AT_BOOT
+	default y
+	depends on HAS_WDT_DISABLE_AT_BOOT
+
 config I2C_DW_CLOCK_SPEED
 	default 125
-	depends on I2C_DW && BOARD_PICOBOY_RP2040
+	depends on I2C_DW && BOARD_PICOBOY
+
+choice ST7789V_PIXEL_FORMAT
+	default ST7789V_RGB565 if BOARD_PICOBOY_RP2040_COLOR
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040_COLOR
+endchoice
 
 config LV_Z_VDB_SIZE
-	default 64
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	default 64 if BOARD_PICOBOY_RP2040
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 
 config LV_DPI_DEF
-	default 116 if BOARD_PICOBOY
-	default 148
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	default 116 if BOARD_PICOBOY_RP2040
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 
 config LV_Z_BITS_PER_PIXEL
-	default 1 if BOARD_PICOBOY
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	default 1 if BOARD_PICOBOY_RP2040
+	default 16 if BOARD_PICOBOY_RP2040_COLOR
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 
 choice LV_COLOR_DEPTH
-	default LV_COLOR_DEPTH_1 if BOARD_PICOBOY
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	default LV_COLOR_DEPTH_1 if BOARD_PICOBOY_RP2040
+	default LV_COLOR_DEPTH_16 if BOARD_PICOBOY_RP2040_COLOR
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 endchoice
 
+config LV_COLOR_16_SWAP
+	default y if BOARD_PICOBOY_RP2040_COLOR
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040_COLOR
+
 config LV_FONT_MONTSERRAT_8
-	default y if BOARD_PICOBOY
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	default y if BOARD_PICOBOY_RP2040
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 
 config LV_FONT_MONTSERRAT_10
-	default y if BOARD_PICOBOY
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	default y if BOARD_PICOBOY_RP2040
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 
 config LV_FONT_MONTSERRAT_12
-	default y if BOARD_PICOBOY
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	default y if BOARD_PICOBOY_RP2040
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 
 config LV_FONT_MONTSERRAT_14
-	default y if BOARD_PICOBOY
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	default y if BOARD_PICOBOY_RP2040
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 
 choice LV_FONT_DEFAULT
 	default LV_FONT_DEFAULT_MONTSERRAT_10 if !LV_CONF_MINIMAL
 	default LV_FONT_DEFAULT_UNSCII_8 if LV_CONF_MINIMAL
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	depends on DISPLAY && LVGL && BOARD_PICOBOY_RP2040
 endchoice
 
 config INPUT
+	default y if DT_HAS_ZEPHYR_LVGL_BUTTON_INPUT_ENABLED
 	default y if DT_HAS_ZEPHYR_LVGL_KEYPAD_INPUT_ENABLED
-	depends on BOARD_PICOBOY_RP2040 && DISPLAY && LVGL
+	depends on DISPLAY && LVGL && BOARD_PICOBOY
 
 config USB_SELF_POWERED
 	default n
-	depends on USB_DEVICE_STACK && BOARD_PICOBOY_RP2040
+	depends on USB_DEVICE_STACK && BOARD_PICOBOY
 
 config USB_MAX_POWER
-	default 125 if BOARD_PICOBOY	# 250mA
-	depends on USB_DEVICE_STACK && BOARD_PICOBOY_RP2040
+	default 125 if BOARD_PICOBOY_RP2040		# 250mA
+	default 125 if BOARD_PICOBOY_RP2040_COLOR	# 250mA
+	depends on USB_DEVICE_STACK && BOARD_PICOBOY
 
 # Workaround for not being able to have commas in macro arguments
 DT_CHOSEN_Z_CONSOLE := zephyr,console
@@ -92,7 +115,7 @@ DT_COMPAT_RPIPICO_USB := raspberrypi,pico-usbd
 DT_CHOSEN_CONSOLE_NODE := $(dt_chosen_path,$(DT_CHOSEN_Z_CONSOLE))
 DT_CHOSEN_CONSOLE_PARENT := $(dt_node_parent,$(DT_CHOSEN_CONSOLE_NODE))
 
-if BOARD_PICOBOY_RP2040 && \
+if BOARD_PICOBOY && \
 	$(dt_chosen_enabled,$(DT_CHOSEN_Z_CONSOLE)) && \
 	$(dt_compat_on_bus,$(DT_COMPAT_Z_CDC_ACM_UART),usb) && \
 	$(dt_node_has_compat,$(DT_CHOSEN_CONSOLE_PARENT),$(DT_COMPAT_RPIPICO_USB))

boards/jsed/picoboy/Kconfig.picoboy

@@ -1,4 +1,4 @@
-# Copyright (c) 2023-2024 TiaC Systems
+# Copyright (c) 2023-2025 TiaC Systems
 # SPDX-License-Identifier: Apache-2.0
 
 config BOARD_PICOBOY

boards/jsed/picoboy/board.cmake

@@ -1,5 +1,20 @@
-# Copyright (c) 2023-2024 TiaC Systems
+# Copyright (c) 2023-2025 TiaC Systems
 # SPDX-License-Identifier: Apache-2.0
 
+if("${NORMALIZED_BOARD_TARGET}" STREQUAL "picoboy_rp2040")
+  set(BOARD_FULL_NAME "The PicoBoy Mini-Handheld")
+elseif("${NORMALIZED_BOARD_TARGET}" STREQUAL "picoboy_rp2040_color")
+  set(BOARD_FULL_NAME "The PicoBoy Color (PBC) Mini-Handheld")
+else()
+  message(FATAL_ERROR "Unsupported board variant: "
+                      "'${BOARD}${BOARD_QUALIFIERS}'\n")
+endif()
+
+message(NOTICE "\n"
+  "\t---------------------------------------------------------------------\n"
+  "\t--- Build for: '${BOARD_FULL_NAME}'\n"
+  "\t---------------------------------------------------------------------\n"
+  )
+
 board_runner_args(uf2 "--board-id=RPI-RP2")
 include(${ZEPHYR_BASE}/boards/common/uf2.board.cmake)

boards/jsed/picoboy/board.yml

@@ -1,5 +1,8 @@
 boards:
   - name: picoboy
+    full_name: The PicoBoy
     vendor: jsed
     socs:
       - name: rp2040
+        variants:
+          - name: "color"

boards/jsed/picoboy/color-joystick.dtsi

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2024-2025 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/input/input-event-codes.h>
+#include <zephyr/dt-bindings/lvgl/lvgl.h>
+#include <zephyr/dt-bindings/gpio/gpio.h>
+
+/ {
+	aliases {
+		sw0 = &button_back;
+		sw1 = &button_forward;
+		sw2 = &joystick_enter;
+		sw3 = &joystick_up;
+		sw4 = &joystick_right;
+		sw5 = &joystick_down;
+		sw6 = &joystick_left;
+	};
+
+	lvgl_buttons: lvgl-buttons {
+		compatible = "zephyr,lvgl-button-input";
+		input = <&gpio_keys>;
+		input-codes = <INPUT_KEY_FORWARD>;
+		coordinates = <120 140>;
+	};
+
+	lvgl_keypad: lvgl-keypad {
+		compatible = "zephyr,lvgl-keypad-input";
+		input = <&gpio_keys>;
+		input-codes = <INPUT_KEY_LEFT INPUT_KEY_RIGHT
+			       INPUT_KEY_UP INPUT_KEY_DOWN
+			       INPUT_KEY_ENTER>;
+		lvgl-codes = <LV_KEY_LEFT LV_KEY_RIGHT
+			      LV_KEY_UP LV_KEY_DOWN
+			      LV_KEY_ENTER>;
+	};
+
+	gpio_keys: gpio_keys {
+		compatible = "gpio-keys";
+		status = "okay";
+
+		button_back: button_back {
+			gpios = <&gpio0 27 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			zephyr,code = <INPUT_KEY_BACK>;
+			label = "User button BACK";
+		};
+		button_forward: button_forward {
+			gpios = <&gpio0 28 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			zephyr,code = <INPUT_KEY_FORWARD>;
+			label = "User button FORWARD";
+		};
+		joystick_enter: joystick_enter {
+			gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			zephyr,code = <INPUT_KEY_ENTER>;
+			label = "User joystick ENTER";
+		};
+		joystick_up: joystick_up {
+			gpios = <&gpio0 4 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			zephyr,code = <INPUT_KEY_UP>;
+			label = "User joystick UP";
+		};
+		joystick_right: joystick_right {
+			gpios = <&gpio0 1 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			zephyr,code = <INPUT_KEY_RIGHT>;
+			label = "User joystick RIGHT";
+		};
+		joystick_down: joystick_down {
+			gpios = <&gpio0 2 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			zephyr,code = <INPUT_KEY_DOWN>;
+			label = "User joystick DOWN";
+		};
+		joystick_left: joystick_left {
+			gpios = <&gpio0 3 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			zephyr,code = <INPUT_KEY_LEFT>;
+			label = "User joystick LEFT";
+		};
+	};
+};
+
+&gpio0 {
+	status = "okay";
+};

boards/jsed/picoboy/color-lcd.dtsi

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2024-2025 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <freq.h>
+#include <zephyr/dt-bindings/gpio/gpio.h>
+
+/ {
+	chosen {
+		zephyr,display = &lcd_panel;
+	};
+
+	lcd_backlight_en: lcd_backlight_en {
+		compatible = "regulator-fixed";
+		enable-gpios = <&gpio0 26 GPIO_ACTIVE_HIGH>;
+		regulator-name = "lcd_backlight_enable";
+		regulator-boot-on;
+	};
+
+	mipi_dbi_spi0: mipi_dbi_spi0 {
+		compatible = "zephyr,mipi-dbi-spi";
+		status = "okay";
+
+		reset-gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
+		dc-gpios = <&gpio0 8 GPIO_ACTIVE_HIGH>;
+		spi-dev = <&spi0>;
+		write-only;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		/* LCD with ST7789V controller. */
+		st7789v_240x280: st7789v@0 {
+			compatible = "sitronix,st7789v";
+			status = "okay";
+
+			reg = <0>;
+			mipi-max-frequency = <DT_FREQ_M(20)>;
+			mipi-mode = "MIPI_DBI_MODE_SPI_4WIRE";
+
+			width = <240>;		/* portrait */
+			height = <280>;		/* portrait */
+			x-offset = <0>;		/* portrait */
+			y-offset = <20>;	/* portrait */
+
+			vcom = <0x1f>;
+			gctrl = <0x35>;
+			vrhs = <0x12>;
+			vdvs = <0x20>;
+		//	mdac = <0x00>;		/* portrait */
+		//	mdac = <0x40>;		/* portrait, mirrored */
+			mdac = <0xC0>;		/* portrait, overhead */
+		//	mdac = <0x80>;		/* portrait, upsidedown */
+			colmod = <0x05>;	/* 16-bit, RGB565 */
+			gamma = <0x01>;
+			lcm = <0x2C>;
+			porch-param = [0C 0C 00 33 33];
+			cmd2en-param = [5A 69 02 01];
+			pwctrl1-param = [A4 A1];
+			pvgam-param = [D0 08 11 08 0C 15 39 33 50 36 13 14 29 2D];
+			nvgam-param = [D0 08 10 08 06 06 39 44 51 0B 16 14 2F 31];
+			ram-param = [00 F0];
+			rgb-param = [CD 08 14];
+		};
+	};
+};
+
+lcd_panel: &st7789v_240x280 {};
+
+&spi0 {
+	status = "okay";
+
+	clock-frequency = <DT_FREQ_M(20)>;
+	cs-gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
+};
+
+&gpio0 {
+	status = "okay";
+};