Merge pull request #10367 from Neradoc/add-USB-host-teensy-40

dhalbert · web-flow · commit af8de21a603a · 2025-05-23T18:52:05.000+02:00
Enable USB host on teensy 4.0 (bottom pads)
diff --git a/ports/mimxrt10xx/boards/teensy40/mpconfigboard.h b/ports/mimxrt10xx/boards/teensy40/mpconfigboard.h
@@ -25,3 +25,6 @@
 
 #define DEFAULT_UART_BUS_RX (&pin_GPIO_AD_B0_03)
 #define DEFAULT_UART_BUS_TX (&pin_GPIO_AD_B0_02)
+
+#define CIRCUITPY_USB_DEVICE_INSTANCE 0
+#define CIRCUITPY_USB_HOST_INSTANCE 1
diff --git a/ports/mimxrt10xx/boards/teensy40/mpconfigboard.mk b/ports/mimxrt10xx/boards/teensy40/mpconfigboard.mk
@@ -7,4 +7,5 @@ CHIP_VARIANT = MIMXRT1062DVJ6A
 CHIP_FAMILY = MIMXRT1062
 FLASH = W25Q16JV
 CIRCUITPY__EVE = 1
+CIRCUITPY_USB_HOST = 1
 CIRCUITPY_SETTABLE_PROCESSOR_FREQUENCY = 1
diff --git a/ports/mimxrt10xx/boards/teensy40/pins.c b/ports/mimxrt10xx/boards/teensy40/pins.c
@@ -120,6 +120,10 @@ static const mp_rom_map_elem_t board_module_globals_table[] = {
     {MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&board_spi_obj)},
     {MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&board_uart_obj)},
 
+    // USB Host (pads)
+    {MP_ROM_QSTR(MP_QSTR_USB_HOST_DP), MP_ROM_PTR(&pin_USB_OTG2_DP)},
+    {MP_ROM_QSTR(MP_QSTR_USB_HOST_DM), MP_ROM_PTR(&pin_USB_OTG2_DN)},
+
     // other i2c ports defined
     {MP_OBJ_NEW_QSTR(MP_QSTR_SDA1), MP_ROM_PTR(&pin_GPIO_AD_B1_06)},
     {MP_OBJ_NEW_QSTR(MP_QSTR_SCL1), MP_ROM_PTR(&pin_GPIO_AD_B1_07)},
