boards: Adding Adafruit QT Py ESP32s3 support.

This adds support for the ESP32s3 based Adafruit QT Py, as well as its
PSRAM variant.

Signed-off-by: Ian Wakely <[email protected]>

boards/adafruit/qt_py_esp32s3/Kconfig

@@ -0,0 +1,6 @@
+# Copyright (c) 2024 Ian Wakely
+
+config HEAP_MEM_POOL_ADD_SIZE_BOARD
+	int
+	default 4096 if BOARD_ADAFRUIT_QT_PY_ESP32S3_ESP32S3_PROCPU
+	default 256 if BOARD_ADAFRUIT_QT_PY_ESP32S3_ESP32S3_APPCPU

boards/adafruit/qt_py_esp32s3/Kconfig.adafruit_qt_py_esp32s3

@@ -0,0 +1,9 @@
+# Adafruit ESP32S3 board configuration
+
+# Copyright (c) 2024 Ian Wakely
+
+config BOARD_ADAFRUIT_QT_PY_ESP32S3
+	select SOC_ESP32S3_WROOM_N8 if "$(BOARD_REVISION)" = ""
+	select SOC_ESP32S3_WROOM_N4R2 if "$(BOARD_REVISION)" = "psram"
+	select SOC_ESP32S3_PROCPU if BOARD_ADAFRUIT_QT_PY_ESP32S3_ESP32S3_PROCPU
+	select SOC_ESP32S3_APPCPU if BOARD_ADAFRUIT_QT_PY_ESP32S3_ESP32S3_APPCPU

boards/adafruit/qt_py_esp32s3/Kconfig.sysbuild

@@ -0,0 +1,10 @@
+# Copyright (c) 2023 Espressif Systems (Shanghai) Co., Ltd.
+# SPDX-License-Identifier: Apache-2.0
+
+choice BOOTLOADER
+	default BOOTLOADER_MCUBOOT
+endchoice
+
+choice BOOT_SIGNATURE_TYPE
+	default BOOT_SIGNATURE_TYPE_NONE
+endchoice

boards/adafruit/qt_py_esp32s3/adafruit_qt_py_esp32s3-pinctrl.dtsi

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2022 Google LLC
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/dt-bindings/pinctrl/esp-pinctrl-common.h>
+#include <dt-bindings/pinctrl/esp32s3-pinctrl.h>
+#include <zephyr/dt-bindings/pinctrl/esp32s3-gpio-sigmap.h>
+
+&pinctrl {
+	uart0_default: uart0_default {
+		group1 {
+			pinmux = <UART0_TX_GPIO5>;
+			output-high;
+		};
+		group2 {
+			pinmux = <UART0_RX_GPIO16>;
+			bias-pull-up;
+		};
+	};
+
+	spim2_default: spim2_default {
+		group1 {
+			pinmux = <SPIM2_MISO_GPIO37>,
+				 <SPIM2_SCLK_GPIO36>;
+		};
+		group2 {
+			pinmux = <SPIM2_MOSI_GPIO35>;
+			output-low;
+		};
+	};
+
+	spim3_ws2812_led: spim3_ws2812_led {
+		group1 {
+			pinmux = <SPIM3_MOSI_GPIO39>;
+			output-low;
+		};
+	};
+
+	i2c0_default: i2c0_default {
+		group1 {
+			pinmux = <I2C0_SDA_GPIO7>,
+				 <I2C0_SCL_GPIO6>;
+			bias-pull-up;
+			drive-open-drain;
+			output-high;
+		};
+	};
+
+	i2c1_default: i2c1_default {
+		group1 {
+			pinmux = <I2C1_SDA_GPIO41>,
+				 <I2C1_SCL_GPIO40>;
+			bias-pull-up;
+			drive-open-drain;
+			output-high;
+		};
+	};
+
+	twai_default: twai_default {
+		group1 {
+			pinmux = <TWAI_TX_GPIO9>,
+				<TWAI_RX_GPIO8>;
+		};
+	};
+};

boards/adafruit/qt_py_esp32s3/adafruit_qt_py_esp32s3_appcpu.dts

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2024 Ian Wakely
+ */
+
+/dts-v1/;
+
+#include <espressif/esp32s3/esp32s3_wroom_n8.dtsi>
+#include "adafruit_qt_py_esp32s3-pinctrl.dtsi"
+#include <espressif/partitions_0x0_amp.dtsi>
+
+/ {
+	model = "Adafruit QT Py ESP32S3 APPCPU";
+	compatible = "espressif,esp32s3";
+
+	chosen {
+		zephyr,sram = &sram1;
+		zephyr,ipc_shm = &shm0;
+		zephyr,ipc = &ipm0;
+		zephyr,flash = &flash0;
+		zephyr,code-partition = &slot0_appcpu_partition;
+	};
+};
+
+&trng0 {
+	status = "okay";
+};
+
+&ipm0 {
+	status = "okay";
+};

boards/adafruit/qt_py_esp32s3/adafruit_qt_py_esp32s3_appcpu.yaml

@@ -0,0 +1,27 @@
+identifier: adafruit_qt_py_esp32s3/esp32s3/appcpu
+name: Adafruit QT Py ESP32S3 APPCPU
+type: mcu
+arch: xtensa
+toolchain:
+  - zephyr
+supported:
+  - uart
+testing:
+  ignore_tags:
+    - net
+    - bluetooth
+    - flash
+    - cpp
+    - posix
+    - watchdog
+    - logging
+    - kernel
+    - pm
+    - gpio
+    - crypto
+    - eeprom
+    - heap
+    - cmsis_rtos
+    - jwt
+    - zdsp
+vendor: adafruit

boards/adafruit/qt_py_esp32s3/adafruit_qt_py_esp32s3_appcpu_defconfig

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_MAIN_STACK_SIZE=2048
+CONFIG_CLOCK_CONTROL=y

boards/adafruit/qt_py_esp32s3/adafruit_qt_py_esp32s3_appcpu_psram.overlay

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2024 Ian Wakely
+ */
+
+/delete-node/ &flash0;
+
+/ {
+	model = "Adafruit QT Py ESP32S3 PSRAM APPCPU";
+
+	soc {
+		flash: flash-controller@60002000 {
+			compatible = "espressif,esp32-flash-controller";
+			reg = <0x60002000 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			/* 4MB flash */
+			flash0: flash@0 {
+				compatible = "soc-nv-flash";
+				erase-block-size = <4096>;
+				write-block-size = <4>;
+				reg = <0x0 DT_SIZE_M(4)>;
+			};
+		};
+	};
+};
+
+/* 2MB psram */
+&psram0 {
+	reg = <0x3c000000 DT_SIZE_M(2)>;
+	status = "okay";
+};
+
+#include <espressif/partitions_0x0_amp.dtsi>

boards/adafruit/qt_py_esp32s3/adafruit_qt_py_esp32s3_appcpu_psram.yaml

@@ -0,0 +1,27 @@
+identifier: adafruit_qt_py_esp32s3@psram/esp32s3/appcpu
+name: Adafruit QT Py ESP32S3 PSRAM APPCPU
+type: mcu
+arch: xtensa
+toolchain:
+  - zephyr
+supported:
+  - uart
+testing:
+  ignore_tags:
+    - net
+    - bluetooth
+    - flash
+    - cpp
+    - posix
+    - watchdog
+    - logging
+    - kernel
+    - pm
+    - gpio
+    - crypto
+    - eeprom
+    - heap
+    - cmsis_rtos
+    - jwt
+    - zdsp
+vendor: adafruit

boards/adafruit/qt_py_esp32s3/adafruit_qt_py_esp32s3_procpu.dts

@@ -0,0 +1,149 @@
+/*
+ * Copyright (c) 2023 Seeed Studio inc.
+ * Copyright (c) 2024 Ian Wakely
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/dts-v1/;
+
+#include <espressif/esp32s3/esp32s3_wroom_n8.dtsi>
+#include <zephyr/dt-bindings/led/led.h>
+#include <zephyr/dt-bindings/input/input-event-codes.h>
+#include "adafruit_qt_py_esp32s3-pinctrl.dtsi"
+#include "seeed_xiao_connector.dtsi"
+#include <espressif/partitions_0x0_amp.dtsi>
+
+/ {
+	model = "Adafruit QT Py ESP32S3 PROCPU";
+	compatible = "seeed,xiao-esp32s3";
+
+	chosen {
+		zephyr,sram = &sram1;
+		zephyr,console = &usb_serial;
+		zephyr,shell-uart = &usb_serial;
+		zephyr,flash = &flash0;
+		zephyr,code-partition = &slot0_partition;
+		zephyr,bt-hci = &esp32_bt_hci;
+	};
+
+	aliases {
+		i2c-0 = &i2c0;
+		watchdog0 = &wdt0;
+		led-strip = &led_strip;
+		sw0 = &button0;
+	};
+
+	buttons {
+		compatible = "gpio-keys";
+		button0: button_0 {
+			gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>;
+			label = "User button";
+			zephyr,code = <INPUT_KEY_0>;
+		};
+	};
+};
+
+&usb_serial {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0 = <&uart0_default>;
+	pinctrl-names = "default";
+};
+
+&i2c0 {
+	status = "okay";
+	clock-frequency = <I2C_BITRATE_STANDARD>;
+	pinctrl-0 = <&i2c0_default>;
+	pinctrl-names = "default";
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <I2C_BITRATE_STANDARD>;
+	pinctrl-0 = <&i2c1_default>;
+	pinctrl-names = "default";
+};
+
+&trng0 {
+	status = "okay";
+};
+
+&spi2 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+	pinctrl-0 = <&spim2_default>;
+	pinctrl-names = "default";
+};
+
+&spi3 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+	pinctrl-0 = <&spim3_ws2812_led>;
+	pinctrl-names = "default";
+
+	line-idle-low;
+
+	led_strip: ws2812@0 {
+		compatible = "worldsemi,ws2812-spi";
+
+		/* SPI */
+		reg = <0>; /* ignored, but necessary for SPI bindings */
+		spi-max-frequency = <6400000>;
+
+		/* WS2812 */
+		chain-length = <1>;
+		spi-cpha;
+		spi-one-frame = <0xf0>; /* 11110000: 625 ns high and 625 ns low */
+		spi-zero-frame = <0xc0>; /* 11000000: 312.5 ns high and 937.5 ns low */
+		color-mapping = <LED_COLOR_ID_GREEN
+				LED_COLOR_ID_RED
+				LED_COLOR_ID_BLUE>;
+	};
+};
+
+&gpio0 {
+	status = "okay";
+};
+
+&gpio1 {
+	status = "okay";
+
+	/*
+	 * Unlike some of the other Adafruit boards, the neopixel on this board has
+	 * its positive side hooked up to a GPIO pin rather than a positive voltage
+	 * rail to save on power. This will enable the LED on board initialization.
+	 */
+	neopixel-power-enable {
+		gpio-hog;
+		gpios = <6 GPIO_ACTIVE_HIGH>;
+		output-high;
+	};
+};
+
+&wdt0 {
+	status = "okay";
+};
+
+&twai {
+	pinctrl-0 = <&twai_default>;
+	pinctrl-names = "default";
+};
+
+&timer0 {
+	status = "okay";
+};
+
+&timer1 {
+	status = "okay";
+};
+
+&esp32_bt_hci {
+	status = "okay";
+};

boards/adafruit/qt_py_esp32s3/adafruit_qt_py_esp32s3_procpu.yaml

@@ -0,0 +1,19 @@
+identifier: adafruit_qt_py_esp32s3/esp32s3/procpu
+name: Adafruit QT Py ESP32S3 PROCPU
+type: mcu
+arch: xtensa
+toolchain:
+  - zephyr
+supported:
+  - gpio
+  - uart
+  - i2c
+  - i2s
+  - spi
+  - can
+  - counter
+  - watchdog
+  - entropy
+  - pwm
+  - dma
+vendor: adafruit