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clk_tree: Refactor rtc_clk.c by adding HAL layer for clock subsystem

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songruojing
2022-05-27 02:23:17 +08:00
parent 52769051e2
commit c8752cee6a
64 changed files with 5378 additions and 2048 deletions
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37
components/soc/esp32/include/soc/rtc.h
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@@ -47,6 +47,33 @@ extern "C" {
* - rtc_init: initialization
*/
/* Delays for various clock sources to be enabled/switched.
* All values are in microseconds.
*/
#define SOC_DELAY_PLL_DBIAS_RAISE 3
#define SOC_DELAY_PLL_ENABLE_WITH_150K 80
#define SOC_DELAY_PLL_ENABLE_WITH_32K 160
#define SOC_DELAY_RTC_FAST_CLK_SWITCH 3
#define SOC_DELAY_RTC_SLOW_CLK_SWITCH 300
#define SOC_DELAY_RC_FAST_ENABLE 50
#define SOC_DELAY_RC_FAST_DIGI_SWITCH 5
/* Core voltage needs to be increased in two cases:
* 1. running at 240 MHz
* 2. running with 80MHz Flash frequency
*
* There is a record in efuse which indicates the proper voltage for these two cases.
*/
#define RTC_CNTL_DBIAS_HP_VOLT (RTC_CNTL_DBIAS_1V25 - efuse_ll_get_vol_level_hp_inv())
#ifdef CONFIG_ESPTOOLPY_FLASHFREQ_80M
#define DIG_DBIAS_80M_160M RTC_CNTL_DBIAS_HP_VOLT
#else
#define DIG_DBIAS_80M_160M RTC_CNTL_DBIAS_1V10
#endif
#define DIG_DBIAS_240M RTC_CNTL_DBIAS_HP_VOLT
#define DIG_DBIAS_XTAL RTC_CNTL_DBIAS_1V10
#define DIG_DBIAS_2M RTC_CNTL_DBIAS_1V00
/**
* @brief Possible main XTAL frequency values.
*
@@ -84,7 +111,7 @@ typedef enum {
typedef struct rtc_clk_config_s {
rtc_xtal_freq_t xtal_freq : 8; //!< Main XTAL frequency
uint32_t cpu_freq_mhz : 10; //!< CPU frequency to set, in MHz
soc_rtc_fast_clk_src_t fast_clk_src : 1; //!< RTC_FAST_CLK clock source to choose
soc_rtc_fast_clk_src_t fast_clk_src : 2; //!< RTC_FAST_CLK clock source to choose
soc_rtc_slow_clk_src_t slow_clk_src : 2; //!< RTC_SLOW_CLK clock source to choose
uint32_t clk_8m_div : 3; //!< RTC 8M clock divider (division is by clk_8m_div+1, i.e. 0 means 8MHz frequency)
uint32_t slow_clk_dcap : 8; //!< RTC 150k clock adjustment parameter (higher value leads to lower frequency)
@@ -241,9 +268,9 @@ void rtc_clk_apll_coeff_set(uint32_t o_div, uint32_t sdm0, uint32_t sdm1, uint32
/**
* @brief Select source for RTC_SLOW_CLK
* @param slow_freq clock source (one of soc_rtc_slow_clk_src_t values)
* @param clk_src clock source (one of soc_rtc_slow_clk_src_t values)
*/
void rtc_clk_slow_src_set(soc_rtc_slow_clk_src_t slow_freq);
void rtc_clk_slow_src_set(soc_rtc_slow_clk_src_t clk_src);
/**
* @brief Get the RTC_SLOW_CLK source
@@ -267,9 +294,9 @@ uint32_t rtc_clk_slow_freq_get_hz(void);
/**
* @brief Select source for RTC_FAST_CLK
* @param fast_freq clock source (one of soc_rtc_fast_clk_src_t values)
* @param clk_src clock source (one of soc_rtc_fast_clk_src_t values)
*/
void rtc_clk_fast_src_set(soc_rtc_fast_clk_src_t fast_freq);
void rtc_clk_fast_src_set(soc_rtc_fast_clk_src_t clk_src);
/**
* @brief Get the RTC_FAST_CLK source