Merge branch 'refactor/regi2c_mst_clock_enable' into 'master'

refactor(regi2c): analog i2c mst clock should be enabled/disabled per usage

Closes IDF-10492 and IDF-10693

See merge request espressif/esp-idf!32682
This commit is contained in:
Song Ruo Jing
2024-11-05 15:15:26 +08:00
84 changed files with 449 additions and 212 deletions

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@@ -135,7 +135,7 @@ static inline void adc_ll_digi_set_fsm_time(uint32_t rst_wait, uint32_t start_wa
*/
static inline void adc_ll_set_sample_cycle(uint32_t sample_cycle)
{
/* Peripheral reg i2c has powered up in rtc_init, write directly */
/* Analog i2c master clock needs to be enabled for regi2c operations (done inside REGI2C_WRITE_MASK) */
REGI2C_WRITE_MASK(I2C_SAR_ADC, ADC_SAR1_SAMPLE_CYCLE_ADDR, sample_cycle);
}

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@@ -347,7 +347,7 @@ static inline __attribute__((always_inline)) uint32_t clk_ll_cpll_get_freq_mhz(u
unsigned chip_version = efuse_hal_chip_revision();
if (!ESP_CHIP_REV_ABOVE(chip_version, 1)) {
return xtal_freq_mhz * (div + 4) / (ref_div + 1);
} else
}
return xtal_freq_mhz * div / (ref_div + 1);
}

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@@ -21,25 +21,33 @@ extern "C" {
/**
* @brief Enable analog I2C master clock
*/
static inline __attribute__((always_inline)) void regi2c_ctrl_ll_master_enable_clock(bool en)
static inline __attribute__((always_inline)) void _regi2c_ctrl_ll_master_enable_clock(bool en)
{
LPPERI.clk_en.ck_en_lp_i2cmst = en;
}
// LPPERI.clk_en is a shared register, so this function must be used in an atomic way
#define regi2c_ctrl_ll_master_enable_clock(...) (void)__DECLARE_RCC_RC_ATOMIC_ENV; regi2c_ctrl_ll_master_enable_clock(__VA_ARGS__)
#define regi2c_ctrl_ll_master_enable_clock(...) (void)__DECLARE_RCC_RC_ATOMIC_ENV; _regi2c_ctrl_ll_master_enable_clock(__VA_ARGS__)
/**
* @brief Check whether analog I2C master clock is enabled
*/
static inline __attribute__((always_inline)) bool regi2c_ctrl_ll_master_is_clock_enabled(void)
{
return LPPERI.clk_en.ck_en_lp_i2cmst;
}
/**
* @brief Reset analog I2C master
*/
static inline __attribute__((always_inline)) void regi2c_ctrl_ll_master_reset(void)
static inline __attribute__((always_inline)) void _regi2c_ctrl_ll_master_reset(void)
{
LPPERI.reset_en.rst_en_lp_i2cmst = 1;
LPPERI.reset_en.rst_en_lp_i2cmst = 0;
}
// LPPERI.reset_en is a shared register, so this function must be used in an atomic way
#define regi2c_ctrl_ll_master_reset(...) (void)__DECLARE_RCC_RC_ATOMIC_ENV; regi2c_ctrl_ll_master_reset(__VA_ARGS__)
#define regi2c_ctrl_ll_master_reset(...) (void)__DECLARE_RCC_RC_ATOMIC_ENV; _regi2c_ctrl_ll_master_reset(__VA_ARGS__)
/**
* @brief Configure analog I2C master clock