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Merge branch 'contrib/github_pr_15638_v5.4' into 'release/v5.4'

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fix(i2c): Fix clear bus issue in legacy i2c driver, etc. (backport v5.4)

See merge request espressif/esp-idf!38828
This commit is contained in:
morris
2025-05-09 10:38:11 +08:00
parent d2b2909f6a 94cbc9bbac
commit d62e3c7d14
16 changed files with 379 additions and 234 deletions
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45
components/hal/esp32p4/include/hal/i2c_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -919,36 +919,37 @@ static inline void i2c_ll_enable_controller_clock(i2c_dev_t *hw, bool en)
}
/**
* @brief Init I2C master
* @brief Set the I2C bus mode (Master or Slave)
*
* @param hw Beginning address of the peripheral registers
*
* @return None
* @param hw Pointer to the I2C hardware register structure.
* @param mode The desired I2C bus mode (Master or Slave).
*/
static inline void i2c_ll_master_init(i2c_dev_t *hw)
static inline void i2c_ll_set_mode(i2c_dev_t *hw, i2c_bus_mode_t mode)
{
typeof(hw->ctr) ctrl_reg;
ctrl_reg.val = 0;
ctrl_reg.ms_mode = 1;
ctrl_reg.sda_force_out = 0;
ctrl_reg.scl_force_out = 0;
hw->ctr.val = ctrl_reg.val;
hw->ctr.ms_mode = (mode == I2C_BUS_MODE_MASTER) ? 1 : 0;
}
/**
* @brief Init I2C slave
* @brief Enable or disable open-drain mode for I2C pins
*
* @param hw Beginning address of the peripheral registers
*
* @return None
* @param hw Pointer to the I2C hardware register structure.
* @param enable_od Boolean flag to enable or disable open-drain mode:
*/
static inline void i2c_ll_slave_init(i2c_dev_t *hw)
static inline void i2c_ll_enable_pins_open_drain(i2c_dev_t *hw, bool enable_od)
{
typeof(hw->ctr) ctrl_reg;
ctrl_reg.val = 0;
ctrl_reg.sda_force_out = 0;
ctrl_reg.scl_force_out = 0;
hw->ctr.val = ctrl_reg.val;
hw->ctr.sda_force_out = !enable_od;
hw->ctr.scl_force_out = !enable_od;
}
/**
* @brief Enable or disable arbitration for I2C communication.
*
* @param hw Pointer to the I2C hardware instance.
* @param enable_arbi Boolean flag to enable (true) or disable (false) arbitration.
*/
static inline void i2c_ll_enable_arbitration(i2c_dev_t *hw, bool enable_arbi)
{
hw->ctr.arbitration_en = enable_arbi;
}
/**