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[esp32] Fix GPIO strapping pins and add USB-JTAG warnings (#15105)

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Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com>
This commit is contained in:
Frédéric Metrich
2026-03-25 14:26:33 +00:00
committed by GitHub
co-authored by Claude Opus 4.6 Jonathan Swoboda
parent 6c981e83db
commit b66ff374a2
5 changed files with 37 additions and 13 deletions
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esphome/components/esp32/gpio_esp32_c3.py
+8
View File
@@ -14,6 +14,8 @@ _ESP32C3_SPI_PSRAM_PINS = {
17: "SPIQ",
}
_ESP32C3_USB_JTAG_PINS = {18, 19}
_ESP32C3_STRAPPING_PINS = {2, 8, 9}
_LOGGER = logging.getLogger(__name__)
@@ -26,6 +28,12 @@ def esp32_c3_validate_gpio_pin(value: int) -> int:
raise cv.Invalid(
f"This pin cannot be used on ESP32-C3s and is already used by the SPI/PSRAM interface (function: {_ESP32C3_SPI_PSRAM_PINS[value]})"
)
if value in _ESP32C3_USB_JTAG_PINS:
_LOGGER.warning(
"GPIO%d is used by the USB-Serial-JTAG interface."
" Using this pin as GPIO will conflict with USB-Serial-JTAG.",
value,
)
return value
esphome/components/esp32/gpio_esp32_c6.py
+9 -1
View File
@@ -18,7 +18,9 @@ _ESP32C6_SPI_PSRAM_PINS = {
30: "SPID",
}
_ESP32C6_STRAPPING_PINS = {8, 9, 15}
_ESP32C6_USB_JTAG_PINS = {12, 13}
_ESP32C6_STRAPPING_PINS = {4, 5, 8, 9, 15}
_LOGGER = logging.getLogger(__name__)
@@ -30,6 +32,12 @@ def esp32_c6_validate_gpio_pin(value: int) -> int:
raise cv.Invalid(
f"This pin cannot be used on ESP32-C6s and is already used by the SPI/PSRAM interface (function: {_ESP32C6_SPI_PSRAM_PINS[value]})"
)
if value in _ESP32C6_USB_JTAG_PINS:
_LOGGER.warning(
"GPIO%d is used by the USB-Serial-JTAG interface."
" Using this pin as GPIO will conflict with USB-Serial-JTAG.",
value,
)
return value
esphome/components/esp32/gpio_esp32_h2.py
+3 -3
View File
@@ -9,7 +9,7 @@ _ESP32H2_SPI_FLASH_PINS = {6, 7, 15, 16, 17, 18, 19, 20, 21}
_ESP32H2_USB_JTAG_PINS = {26, 27}
_ESP32H2_STRAPPING_PINS = {2, 3, 8, 9, 25}
_ESP32H2_STRAPPING_PINS = {8, 9, 25}
_LOGGER = logging.getLogger(__name__)
@@ -26,8 +26,8 @@ def esp32_h2_validate_gpio_pin(value: int) -> int:
)
if value in _ESP32H2_USB_JTAG_PINS:
_LOGGER.warning(
"GPIO%d is reserved for the USB-Serial-JTAG interface.\n"
"To use this pin as GPIO, USB-Serial-JTAG will be disabled.",
"GPIO%d is used by the USB-Serial-JTAG interface."
" Using this pin as GPIO will conflict with USB-Serial-JTAG.",
value,
)
esphome/components/esp32/gpio_esp32_p4.py
+2 -2
View File
@@ -20,8 +20,8 @@ def esp32_p4_validate_gpio_pin(value: int) -> int:
raise cv.Invalid(f"Invalid pin number: {value} (must be 0-54)")
if value in _ESP32P4_USB_JTAG_PINS:
_LOGGER.warning(
"GPIO%d is reserved for the USB-Serial-JTAG interface.\n"
"To use this pin as GPIO, USB-Serial-JTAG will be disabled.",
"GPIO%d is used by the USB-Serial-JTAG interface."
" Using this pin as GPIO will conflict with USB-Serial-JTAG.",
value,
)
esphome/components/esp32/gpio_esp32_s3.py
+15 -7
View File
@@ -5,7 +5,7 @@ import esphome.config_validation as cv
from esphome.const import CONF_INPUT, CONF_MODE, CONF_NUMBER
from esphome.pins import check_strapping_pin
_ESP_32S3_SPI_PSRAM_PINS = {
_ESP32S3_SPI_PSRAM_PINS = {
26: "SPICS1",
27: "SPIHD",
28: "SPIWP",
@@ -15,7 +15,7 @@ _ESP_32S3_SPI_PSRAM_PINS = {
32: "SPID",
}
_ESP_32_ESP32_S3R8_PSRAM_PINS = {
_ESP32S3R8_PSRAM_PINS = {
33: "SPIIO4",
34: "SPIIO5",
35: "SPIIO6",
@@ -23,7 +23,9 @@ _ESP_32_ESP32_S3R8_PSRAM_PINS = {
37: "SPIDQS",
}
_ESP_32S3_STRAPPING_PINS = {0, 3, 45, 46}
_ESP32S3_USB_JTAG_PINS = {19, 20}
_ESP32S3_STRAPPING_PINS = {0, 3, 45, 46}
_LOGGER = logging.getLogger(__name__)
@@ -32,11 +34,11 @@ def esp32_s3_validate_gpio_pin(value: int) -> int:
if value < 0 or value > 48:
raise cv.Invalid(f"Invalid pin number: {value} (must be 0-48)")
if value in _ESP_32S3_SPI_PSRAM_PINS:
if value in _ESP32S3_SPI_PSRAM_PINS:
raise cv.Invalid(
f"This pin cannot be used on ESP32-S3s and is already used by the SPI/PSRAM interface(function: {_ESP_32S3_SPI_PSRAM_PINS[value]})"
f"This pin cannot be used on ESP32-S3s and is already used by the SPI/PSRAM interface(function: {_ESP32S3_SPI_PSRAM_PINS[value]})"
)
if value in _ESP_32_ESP32_S3R8_PSRAM_PINS:
if value in _ESP32S3R8_PSRAM_PINS:
_LOGGER.warning(
"GPIO%d is used by the PSRAM interface on ESP32-S3R8 / ESP32-S3R8V and should be avoided on these models",
value,
@@ -46,6 +48,12 @@ def esp32_s3_validate_gpio_pin(value: int) -> int:
# These pins are not exposed in GPIO mux (reason unknown)
# but they're missing from IO_MUX list in datasheet
raise cv.Invalid(f"The pin GPIO{value} is not usable on ESP32-S3s.")
if value in _ESP32S3_USB_JTAG_PINS:
_LOGGER.warning(
"GPIO%d is used by the USB-Serial-JTAG interface."
" Using this pin as GPIO will conflict with USB-Serial-JTAG.",
value,
)
return value
@@ -61,5 +69,5 @@ def esp32_s3_validate_supports(value: dict[str, Any]) -> dict[str, Any]:
# All ESP32 pins support input mode
pass
check_strapping_pin(value, _ESP_32S3_STRAPPING_PINS, _LOGGER)
check_strapping_pin(value, _ESP32S3_STRAPPING_PINS, _LOGGER)
return value