add(build): Add initial ESP32-P4 skeleton

Required to start compilation. Board is currently hidden and many options are removed

boards.txt

@@ -162,6 +162,90 @@ esp32c2.menu.EraseFlash.all.upload.erase_cmd=-e
 
 ##############################################################
 
+esp32p4.name=ESP32P4 Dev Module
+esp32p4.hide=true
+
+esp32p4.bootloader.tool=esptool_py
+esp32p4.bootloader.tool.default=esptool_py
+
+esp32p4.upload.tool=esptool_py
+esp32p4.upload.tool.default=esptool_py
+esp32p4.upload.tool.network=esp_ota
+
+esp32p4.upload.maximum_size=1310720
+esp32p4.upload.maximum_data_size=327680
+esp32p4.upload.flags=
+esp32p4.upload.extra_flags=
+esp32p4.upload.use_1200bps_touch=false
+esp32p4.upload.wait_for_upload_port=false
+
+esp32p4.serial.disableDTR=false
+esp32p4.serial.disableRTS=false
+
+esp32p4.build.tarch=riscv32
+esp32p4.build.target=esp
+esp32p4.build.mcu=esp32p4
+esp32p4.build.core=esp32
+esp32p4.build.variant=esp32p4
+esp32p4.build.board=ESP32P4_DEV
+esp32p4.build.bootloader_addr=0x0
+
+esp32p4.build.cdc_on_boot=0
+esp32p4.build.f_cpu=400000000L
+esp32p4.build.flash_size=4MB
+esp32p4.build.flash_freq=80m
+esp32p4.build.img_freq=80m
+esp32p4.build.flash_mode=qio
+esp32p4.build.boot=qio
+esp32p4.build.partitions=default
+esp32p4.build.defines=
+
+## IDE 2.0 Seems to not update the value
+esp32p4.menu.JTAGAdapter.default=Disabled
+esp32p4.menu.JTAGAdapter.default.build.copy_jtag_files=0
+
+esp32p4.menu.CDCOnBoot.default=Disabled
+esp32p4.menu.CDCOnBoot.default.build.cdc_on_boot=0
+esp32p4.menu.CDCOnBoot.cdc=Enabled
+esp32p4.menu.CDCOnBoot.cdc.build.cdc_on_boot=1
+
+esp32p4.menu.PartitionScheme.default=Default 4MB with spiffs (1.2MB APP/1.5MB SPIFFS)
+esp32p4.menu.PartitionScheme.default.build.partitions=default
+esp32p4.menu.PartitionScheme.no_fs=No FS 4MB (2MB APP x2)
+esp32p4.menu.PartitionScheme.no_fs.build.partitions=no_fs
+esp32p4.menu.PartitionScheme.no_fs.upload.maximum_size=2031616
+esp32p4.menu.PartitionScheme.huge_app=Huge APP (3MB No OTA/1MB SPIFFS)
+esp32p4.menu.PartitionScheme.huge_app.build.partitions=huge_app
+esp32p4.menu.PartitionScheme.huge_app.upload.maximum_size=3145728
+esp32p4.menu.PartitionScheme.custom=Custom
+esp32p4.menu.PartitionScheme.custom.build.partitions=
+esp32p4.menu.PartitionScheme.custom.upload.maximum_size=16777216
+
+esp32p4.menu.UploadSpeed.921600=921600
+esp32p4.menu.UploadSpeed.921600.upload.speed=921600
+esp32p4.menu.UploadSpeed.115200=115200
+esp32p4.menu.UploadSpeed.115200.upload.speed=115200
+
+esp32p4.menu.DebugLevel.none=None
+esp32p4.menu.DebugLevel.none.build.code_debug=0
+esp32p4.menu.DebugLevel.error=Error
+esp32p4.menu.DebugLevel.error.build.code_debug=1
+esp32p4.menu.DebugLevel.warn=Warn
+esp32p4.menu.DebugLevel.warn.build.code_debug=2
+esp32p4.menu.DebugLevel.info=Info
+esp32p4.menu.DebugLevel.info.build.code_debug=3
+esp32p4.menu.DebugLevel.debug=Debug
+esp32p4.menu.DebugLevel.debug.build.code_debug=4
+esp32p4.menu.DebugLevel.verbose=Verbose
+esp32p4.menu.DebugLevel.verbose.build.code_debug=5
+
+esp32p4.menu.EraseFlash.none=Disabled
+esp32p4.menu.EraseFlash.none.upload.erase_cmd=
+esp32p4.menu.EraseFlash.all=Enabled
+esp32p4.menu.EraseFlash.all.upload.erase_cmd=-e
+
+##############################################################
+
 esp32h2.name=ESP32H2 Dev Module
 
 esp32h2.bootloader.tool=esptool_py

idf_component.yml

@@ -9,6 +9,7 @@ targets:
   - esp32c3
   - esp32c6
   - esp32h2
+  - esp32p4
 tags:
   - arduino
 files:

variants/esp32p4/pins_arduino.h

+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <stdint.h>
+#include "soc/soc_caps.h"
+
+#define PIN_NEOPIXEL 44
+// BUILTIN_LED can be used in new Arduino API digitalWrite() like in Blink.ino
+static const uint8_t LED_BUILTIN = SOC_GPIO_PIN_COUNT + PIN_NEOPIXEL;
+#define BUILTIN_LED LED_BUILTIN  // backward compatibility
+#define LED_BUILTIN LED_BUILTIN  // allow testing #ifdef LED_BUILTIN
+// RGB_BUILTIN and RGB_BRIGHTNESS can be used in new Arduino API rgbLedWrite()
+#define RGB_BUILTIN    LED_BUILTIN
+#define RGB_BRIGHTNESS 64
+
+// BOOT_MODE 35
+// BOOT_MODE2 36 pullup
+
+static const uint8_t TX = 37;
+static const uint8_t RX = 38;
+
+static const uint8_t SDA = 7;
+static const uint8_t SCL = 8;
+
+static const uint8_t SS = 10;
+static const uint8_t MOSI = 11;
+static const uint8_t MISO = 12;
+static const uint8_t SCK = 13;
+
+#endif /* Pins_Arduino_h */