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Merge branch 'bugfix/gpio_usb_pin_pupd' into 'master'

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gpio: fix USB D+ pin cannot disable pullup

Closes IDFGH-7984

See merge request espressif/esp-idf!19191
This commit is contained in:
Song Ruo Jing
2022-08-22 17:18:05 +08:00
parent 7c2b137ffe 01143bd732
commit 72a15e3c7a
9 changed files with 110 additions and 0 deletions
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6
components/hal/esp32c3/include/hal/gpio_ll.h
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@@ -51,6 +51,12 @@ 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
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);
}

34
components/hal/esp32c3/include/hal/usb_phy_ll.h Normal file
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@@ -0,0 +1,34 @@
/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include "soc/usb_serial_jtag_struct.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Configures the internal PHY for USB_Serial_JTAG
*
* @param hw Start address of the USB Serial_JTAG registers
*/
static inline void usb_phy_ll_int_jtag_enable(usb_serial_jtag_dev_t *hw)
{
// USB_Serial_JTAG use internal PHY
hw->conf0.phy_sel = 0;
// Disable software control USB D+ D- pullup pulldown (Device FS: dp_pullup = 1)
hw->conf0.pad_pull_override = 0;
// Enable USB D+ pullup
hw->conf0.dp_pullup = 1;
// Enable USB pad function
hw->conf0.usb_pad_enable = 1;
}
#ifdef __cplusplus
}
#endif