Add QIO/QOUT/DIO/DOUT select for esptool.py

components/esptool_py/Kconfig.projbuild

@@ -46,4 +46,28 @@ config ESPTOOLPY_COMPRESSED
 		decompress it on the fly before flashing it. For most payloads, this should result in a
 		speed increase.
 
+choice ESPTOOLPY_FLASHMODE
+	prompt "Flash SPI mode"
+	default ESPTOOLPY_FLASHMODE_QIO
+	help
+		Mode the flash chip is flashed in, as well as the default mode for the
+		binary to run in.
+
+config ESPTOOLPY_FLASHMODE_QIO
+	bool "QIO"
+config ESPTOOLPY_FLASHMODE_QOUT
+	bool "QOUT"
+config ESPTOOLPY_FLASHMODE_DIO
+	bool "DIO"
+config ESPTOOLPY_FLASHMODE_DOUT
+	bool "DOUT"
+endchoice
+
+config ESPTOOLPY_FLASHMODE
+	string
+	default "qio" if ESPTOOLPY_FLASHMODE_QIO
+	default "qout" if ESPTOOLPY_FLASHMODE_QOUT
+	default "dio" if ESPTOOLPY_FLASHMODE_DIO
+	default "dout" if ESPTOOLPY_FLASHMODE_DOUT
+
 endmenu

components/esptool_py/Makefile.projbuild

@@ -2,6 +2,7 @@
 # components have their own flash targets that can use these variables.
 ESPPORT ?= $(CONFIG_ESPTOOLPY_PORT)
 ESPBAUD ?= $(CONFIG_ESPTOOLPY_BAUD)
+ESPFLASHMODE ?= $(CONFIG_ESPTOOLPY_FLASHMODE)
 
 PYTHON ?= $(call dequote,$(CONFIG_PYTHON))
 
@@ -12,12 +13,12 @@ PYTHON ?= $(call dequote,$(CONFIG_PYTHON))
 ESPTOOLPY := $(PYTHON) $(IDF_PATH)/bin/esptool.py --chip esp32
 ESPTOOLPY_SERIAL := $(ESPTOOLPY) --port $(ESPPORT) --baud $(ESPBAUD)
 
-ESPTOOLPY_WRITE_FLASH=$(ESPTOOLPY_SERIAL) write_flash $(if $(CONFIG_ESPTOOLPY_COMPRESSED),-z)
+ESPTOOLPY_WRITE_FLASH=$(ESPTOOLPY_SERIAL) write_flash $(if $(CONFIG_ESPTOOLPY_COMPRESSED),-z) --flash_mode $(ESPFLASHMODE)
 
 ESPTOOL_ALL_FLASH_ARGS += $(CONFIG_APP_OFFSET) $(APP_BIN)
 
 $(APP_BIN): $(APP_ELF)
-	$(Q) $(ESPTOOLPY) elf2image -o $@ $<
+	$(Q) $(ESPTOOLPY) elf2image --flash_mode $(ESPFLASHMODE) -o $@ $<
 
 flash: all_binaries
 	@echo "Flashing project app to $(CONFIG_APP_OFFSET)..."