targets: add M5Stack Stamp-S3A (#5524)

* targets: add M5Stack Stamp-S3A

* targets: add Stamp-S3A smoke test

* targets: rename Stamp-S3A target

* targets: rename Stamp-S3A target

GNUmakefile

@@ -972,6 +972,8 @@ ifneq ($(XTENSA), 0)
 	@$(MD5SUM) test.bin
 	$(TINYGO) build -size short -o test.bin -target m5stack             examples/machinetest
 	@$(MD5SUM) test.bin
+	$(TINYGO) build -size short -o test.bin -target m5stamp-s3a         examples/machinetest
+	@$(MD5SUM) test.bin
 	$(TINYGO) build -size short -o test.bin -target m5stick-c           examples/machinetest
 	@$(MD5SUM) test.bin
 	$(TINYGO) build -size short -o test.bin -target m5paper             examples/machinetest

src/machine/board_m5stamp-s3a.go

@@ -0,0 +1,87 @@
+//go:build m5stamp_s3a
+
+// This file contains the pin mappings for the M5Stack Stamp-S3A module.
+//
+// M5Stack Stamp-S3A is an embedded module based on the Espressif ESP32-S3FN8
+// chip with 8MB flash, a programmable RGB LED, a user button, and 23 exposed
+// GPIOs.
+//
+// - https://docs.m5stack.com/en/core/Stamp-S3A
+
+package machine
+
+// Digital pins
+const (
+	G0  = GPIO0
+	G1  = GPIO1
+	G2  = GPIO2
+	G3  = GPIO3
+	G4  = GPIO4
+	G5  = GPIO5
+	G6  = GPIO6
+	G7  = GPIO7
+	G8  = GPIO8
+	G9  = GPIO9
+	G10 = GPIO10
+	G11 = GPIO11
+	G12 = GPIO12
+	G13 = GPIO13
+	G14 = GPIO14
+	G15 = GPIO15
+	G39 = GPIO39
+	G40 = GPIO40
+	G41 = GPIO41
+	G42 = GPIO42
+	G43 = GPIO43
+	G44 = GPIO44
+	G46 = GPIO46
+)
+
+// Button
+const (
+	BUTTON = GPIO0
+)
+
+// UART pins
+const (
+	UART_RX_PIN = GPIO44
+	UART_TX_PIN = GPIO43
+)
+
+// I2C pins
+const (
+	SDA_PIN = GPIO13
+	SCL_PIN = GPIO14
+)
+
+// SPI pins
+const (
+	SPI1_SCK_PIN  = GPIO36
+	SPI1_MISO_PIN = NoPin
+	SPI1_MOSI_PIN = GPIO35
+	SPI1_CS_PIN   = NoPin
+
+	SPI2_SCK_PIN  = NoPin
+	SPI2_MISO_PIN = NoPin
+	SPI2_MOSI_PIN = NoPin
+	SPI2_CS_PIN   = NoPin
+)
+
+// Display pins
+const (
+	DISPLAY_RST  = GPIO33
+	DISPLAY_DC   = GPIO34
+	DISPLAY_MOSI = GPIO35
+	DISPLAY_SCK  = GPIO36
+	DISPLAY_CS   = GPIO37
+	DISPLAY_BL   = GPIO38
+)
+
+// Onboard LEDs
+const (
+	// WS2812 is the data pin for the onboard addressable RGB LED.
+	WS2812 = GPIO21
+
+	// WS2812_POWER enables power for the onboard addressable RGB LED.
+	WS2812_POWER = GPIO38
+)

targets/m5stamp-s3a.json

@@ -0,0 +1,8 @@
+{
+    "inherits": [
+        "esp32s3"
+    ],
+    "build-tags": [
+        "m5stamp_s3a"
+    ]
+}