shields: add GeeekPi Pico Breadboard Kit Plus

The new part of the Raspberry Pi Pico Breadboard shield by 52Pi is: * EP-0172: "Pico Breadboard Kit Plus" (geeekpi_pico_bb_plus) supported features: * display API (zephyr/samples/drivers/display) * LVGL stack (zephyr/samples/subsys/display/lvgl) * input API (zephyr/samples/subsys/input/input_dump) supported platforms: * Raspberry Pi Pico (rpi_pico) * Raspberry Pi Pico W (rpi_pico_w) * Waveshare RP2040 Plus 4MB (waveshare_rp2040_plus) * Waveshare RP2040 Plus 16MB (waveshare_rp2040_plus@16mb) Signed-off-by: Stephan Linz <[email protected]>
tiacsys · Jul 21, 2024 · fbebc0b · fbebc0b
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diff --git a/boards/shields/rpi_pico_bb/Kconfig.defconfig b/boards/shields/rpi_pico_bb/Kconfig.defconfig
@@ -0,0 +1,42 @@
+# Copyright (c) 2024 TiaC Systems
+# SPDX-License-Identifier: Apache-2.0
+
+config SHIELD_RPI_PICO_BB
+	bool
+	default y if SHIELD_GEEEKPI_PICO_BB_PLUS
+	default n
+
+config LV_Z_VDB_SIZE
+	default 32 if SHIELD_GEEEKPI_PICO_BB_PLUS
+	depends on SHIELD_RPI_PICO_BB && DISPLAY && LVGL
+
+config LV_Z_BITS_PER_PIXEL
+	default 16 if SHIELD_GEEEKPI_PICO_BB_PLUS
+	depends on SHIELD_RPI_PICO_BB && DISPLAY && LVGL
+
+choice LV_COLOR_DEPTH
+	default LV_COLOR_DEPTH_16 if SHIELD_GEEEKPI_PICO_BB_PLUS
+	depends on SHIELD_RPI_PICO_BB && DISPLAY && LVGL
+endchoice
+
+config LV_COLOR_16_SWAP
+	default y if SHIELD_GEEEKPI_PICO_BB_PLUS
+	depends on SHIELD_RPI_PICO_BB && DISPLAY && LVGL
+
+config INPUT
+	default y if DT_HAS_ZEPHYR_LVGL_BUTTON_INPUT_ENABLED
+	default y if DT_HAS_ZEPHYR_LVGL_KEYPAD_INPUT_ENABLED
+	default y if DT_HAS_ZEPHYR_LVGL_POINTER_INPUT_ENABLED
+	depends on SHIELD_RPI_PICO_BB && DISPLAY && LVGL
+
+config INPUT_GT911_INTERRUPT
+	default y if SHIELD_GEEEKPI_PICO_BB_PLUS
+	depends on SHIELD_RPI_PICO_BB && INPUT && LVGL
+
+config ADC
+	default y if DT_HAS_ADC_KEYS_ENABLED
+	depends on SHIELD_RPI_PICO_BB && INPUT && LVGL
+
+config REGULATOR
+	default y
+	depends on DT_HAS_REGULATOR_FIXED_ENABLED
diff --git a/boards/shields/rpi_pico_bb/Kconfig.shield b/boards/shields/rpi_pico_bb/Kconfig.shield
@@ -0,0 +1,5 @@
+# Copyright (c) 2024 TiaC Systems
+# SPDX-License-Identifier: Apache-2.0
+
+config SHIELD_GEEEKPI_PICO_BB_PLUS
+	def_bool $(shields_list_contains,geeekpi_pico_bb_plus)
diff --git a/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/gt911_320x480.dtsi b/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/gt911_320x480.dtsi
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2024 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <freq.h>
+
+&rpipico_i2c_tsc {
+	gt911_320x480: gt911@5d {
+		compatible = "goodix,gt911";
+		reg = <0x5d>;
+
+		status = "disabled";
+	};
+};
+
+tsc_panel: &gt911_320x480 {};
diff --git a/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpi_pico.overlay b/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpi_pico.overlay
@@ -0,0 +1,6 @@
+/*
+ * Copyright (c) 2024 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "rpipico_r3.dtsi"
diff --git a/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpi_pico_w.overlay b/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpi_pico_w.overlay
@@ -0,0 +1,6 @@
+/*
+ * Copyright (c) 2024 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "rpipico_r3.dtsi"
diff --git a/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpipico_r3-connect.dtsi b/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpipico_r3-connect.dtsi
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2024 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "rpipico_r3-pinctrl.dtsi"
+
+#include <freq.h>
+#include <zephyr/dt-bindings/i2c/i2c.h>
+
+&pico_spi0 {
+	pinctrl-0 = <&spi0_lcd>;
+	pinctrl-names = "default";
+	clock-frequency = <DT_FREQ_M(62)>;
+};
+
+rpipico_spi_lcd: &pico_spi0 {};
+
+&pico_i2c0 {
+	pinctrl-0 = <&i2c0_tsc>;
+	pinctrl-names = "default";
+	clock-frequency = <I2C_BITRATE_STANDARD>;
+};
+
+rpipico_i2c_tsc: &pico_i2c0 {};
+
+&pico_pwm {
+	pinctrl-0 = <&pwm_lcd_feedback>;
+	pinctrl-names = "default";
+};
+
+rpipico_pwm: &pico_pwm {};
+
+&pico_adc {
+	pinctrl-0 = <&adc_joystick>;
+	pinctrl-names = "default";
+	#address-cells = <1>;
+	#size-cells = <0>;
+};
+
+rpipico_adc: &pico_adc {};
+
+&pico_pio0 {
+	pico_pio0_ws2812: pico-pio0-ws2812 {
+		compatible = "worldsemi,ws2812-rpi_pico-pio";
+		pinctrl-0 = <&pio0_ws2812>;
+		pinctrl-names = "default";
+	};
+};
+
+rpipico_pio: &pico_pio0 {};
+pio_led_strip: &pico_pio0_ws2812 {};
diff --git a/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpipico_r3-pinctrl.dtsi b/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpipico_r3-pinctrl.dtsi
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2024 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/pinctrl/rpi-pico-rp2040-pinctrl.h>
+
+pwm_lcd_feedback: &pwm_pico {
+	group16_led {
+		pinmux = <PWM_0A_P16>;		/* GP16: PWM0CHA (0) */
+	};
+	group17_led {
+		pinmux = <PWM_0B_P17>;		/* GP17: PWM0CHB (1) */
+	};
+	group13_buzzer {
+		pinmux = <PWM_6B_P13>;		/* GP13: PWM6CHB (13) */
+	};
+};
+
+adc_joystick: &adc_pico {
+	group0_adc_x {
+		pinmux = <ADC_CH0_P26>;		/* GP26: ADC_CH0 */
+		input-enable;
+	};
+	group1_adc_y {
+		pinmux = <ADC_CH1_P27>;		/* GP27: ADC_CH1 */
+		input-enable;
+	};
+};
+
+&pinctrl {
+	spi0_lcd: spi0_lcd {
+		group235_spi {
+			pinmux = <SPI0_CSN_P5>,		/* GP5: SPI0_CSn */
+				 <SPI0_SCK_P2>,		/* GP2: SPI0_SCK */
+				 <SPI0_TX_P3>;		/* GP3: SPI0_TX */
+		};
+		group4_spi {
+			pinmux = <SPI0_RX_P4>;		/* GP4: SPI0_RX */
+			input-enable;
+		};
+	};
+
+	i2c0_tsc: i2c0_tsc {
+		group89_i2c {
+			pinmux = <I2C0_SDA_P8>,		/* GP8: I2C0_SDA */
+				 <I2C0_SCL_P9>;		/* GP9: I2C0_SCL */
+			bias-pull-up;
+			input-enable;
+			input-schmitt-enable;
+		};
+	};
+
+	pio0_ws2812: pio0_ws2812{
+		group12_pio {
+			pinmux = <PIO0_P12>;	/* GP12: PIO0 */
+		};
+	};
+};
diff --git a/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpipico_r3-tweaks.dtsi b/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpipico_r3-tweaks.dtsi
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2024 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pico_i2c0 {
+	compatible = "gpio-i2c";	/* I2C0_SDA_P8 and I2C0_SCL_P9 */
+	sda-gpios = <&rpipico_header 8 (GPIO_OPEN_DRAIN | GPIO_PULL_UP)>;
+	scl-gpios = <&rpipico_header 9 (GPIO_OPEN_DRAIN | GPIO_PULL_UP)>;
+	/delete-property/ resets;
+	/delete-property/ clocks;
+	/delete-property/ interrupts;
+	/delete-property/ interrupt-names;
+	/delete-property/ pinctrl-0;
+	/delete-property/ pinctrl-names;
+};
diff --git a/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpipico_r3.dtsi b/boards/shields/rpi_pico_bb/boards/geeekpi_pico_bb_plus/rpipico_r3.dtsi
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2024 TiaC Systems
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "rpipico_r3-connect.dtsi"
+#include "rpipico_r3-tweaks.dtsi"
+
+#include "st7796s_480x320.dtsi"
+#include "st7796s_rgb565.dtsi"
+#include "gt911_320x480.dtsi"
+#include "ws2812.dtsi"
+
+#include <zephyr/dt-bindings/gpio/gpio.h>
+#include <zephyr/dt-bindings/pwm/pwm.h>
+#include <zephyr/dt-bindings/adc/adc.h>
+
+&rpipico_spi_lcd {
+	status = "okay";
+	cs-gpios = <&rpipico_header 5 GPIO_ACTIVE_LOW>;		/* GP5 */
+};
+
+&mipi_dbi {
+	status = "okay";
+	reset-gpios = <&rpipico_header 7 GPIO_ACTIVE_LOW>;	/* GP7 */
+	dc-gpios = <&rpipico_header 6 GPIO_ACTIVE_HIGH>;	/* GP6 */
+	spi-dev = <&rpipico_spi_lcd>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+};
+
+&lcd_panel {
+	status = "okay";
+};
+
+&lvgl_pointer {
+	//invert-x;
+	invert-y;
+	swap-xy;
+};
+
+&tsc_panel {
+	status = "okay";
+	irq-gpios = <&rpipico_header 11 GPIO_ACTIVE_HIGH>;	/* GP11 */
+	reset-gpios = <&rpipico_header 10 GPIO_ACTIVE_LOW>;	/* GP10 */
+};
+
+&led_strip {
+	status = "okay";
+	gpios = <&rpipico_header 12 GPIO_ACTIVE_HIGH>;		/* GP12 */
+};
+
+&pio_led_strip {
+	status = "okay";
+};
+
+&rpipico_pio {
+	status = "okay";
+};
+
+&rpipico_pwm {
+	status = "okay";
+	divider-frac-0 = <15>;
+	divider-int-0 = <255>;
+	divider-frac-6 = <15>;
+	divider-int-6 = <255>;
+};
+
+&pwm_buzzer_0 {							/* GP13:PWM6CHB */
+	pwms = <&pwm 13 PWM_HZ(880) PWM_POLARITY_NORMAL>;
+};
+
+&pwm_led_0 {							/* GP16:PWM0A */
+	pwms = <&rpipico_pwm 0 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+};
+
+&pwm_led_1 {							/* GP17:PWM0B */
+	pwms = <&rpipico_pwm 1 PWM_MSEC(20) PWM_POLARITY_NORMAL>;
+};
+
+&led_0 {							/* GP16 */
+	gpios = <&rpipico_header 16 GPIO_ACTIVE_HIGH>;
+};
+
+&led_1 {							/* GP17 */
+	gpios = <&rpipico_header 17 GPIO_ACTIVE_HIGH>;
+};
+
+&button_0 {							/* GP14 */
+	gpios = <&rpipico_header 14 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+};
+
+&button_1 {							/* GP15 */
+	gpios = <&rpipico_header 15 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+};
+
+&joystick_axis_x_keys {						/* X@ADC0 */
+	io-channels = <&rpipico_adc 0>;
+	keyup-threshold-mv = <1850>;
+};
+
+&joystick_axis_x_key_0 {
+	press-thresholds-mv = <850>;				/* X@LEFT */
+};
+
+&joystick_axis_x_key_1 {
+	press-thresholds-mv = <2180>;				/* X@RIGHT */
+};
+
+&joystick_axis_y_keys {						/* Y@ADC1 */
+	io-channels = <&rpipico_adc 1>;
+	keyup-threshold-mv = <1850>;
+};
+
+&joystick_axis_y_key_0 {
+	press-thresholds-mv = <850>;				/* Y@DOWN */
+};
+
+&joystick_axis_y_key_1 {
+	press-thresholds-mv = <2180>;				/* Y@UP */
+};
+
+&joystick_axis_x {						/* X@ADC0 */
+	io-channels = <&rpipico_adc 0>;
+	in-deadzone = <500>;
+	in-min = <500>;
+	in-max = <4000>;
+};
+
+&joystick_axis_y {						/* Y@ADC1 */
+	io-channels = <&rpipico_adc 1>;
+	in-deadzone = <500>;
+	in-min = <500>;
+	in-max = <4000>;
+};
+
+&rpipico_adc {
+	status = "okay";
+
+	/delete-node/ channel@0;
+	channel@0 {						/* ADC0 */
+		reg = <0>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+
+	/delete-node/ channel@1;
+	channel@1 {						/* ADC1 */
+		reg = <1>;
+		zephyr,gain = "ADC_GAIN_1";
+		zephyr,reference = "ADC_REF_INTERNAL";
+		zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
+		zephyr,resolution = <12>;
+	};
+};