gpio: fix USB D+ pin cannot disable pullup

Internally, disable usb serial jtag DP pin's pullup when calling gpio_ll_pullup_dis and rtcio_ll_pullup_disable
At usb serial jtag setup/install, re-enable DP pin's pullup

Closes https://github.com/espressif/esp-idf/issues/9495
This commit is contained in:
songruojing
2022-07-22 15:52:54 +08:00
committed by Song Ruo Jing
parent 1669a5d861
commit 01143bd732
9 changed files with 110 additions and 0 deletions

View File

@@ -52,6 +52,14 @@ static inline void gpio_ll_pullup_en(gpio_dev_t *hw, uint32_t gpio_num)
*/
static inline void gpio_ll_pullup_dis(gpio_dev_t *hw, uint32_t gpio_num)
{
// The pull-up value of the USB pins are controlled by the pins pull-up value together with USB pull-up value
// USB DP pin is default to PU enabled
// Note that from esp32s3 ECO1, USB_EXCHG_PINS feature has been supported. If this efuse is burnt, the gpio pin
// which should be checked is USB_DM_GPIO_NUM instead.
if (gpio_num == USB_DP_GPIO_NUM) {
SET_PERI_REG_MASK(USB_SERIAL_JTAG_CONF0_REG, USB_SERIAL_JTAG_PAD_PULL_OVERRIDE);
CLEAR_PERI_REG_MASK(USB_SERIAL_JTAG_CONF0_REG, USB_SERIAL_JTAG_DP_PULLUP);
}
REG_CLR_BIT(GPIO_PIN_MUX_REG[gpio_num], FUN_PU);
}