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

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This commit is contained in:
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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3
components/soc/esp32c3/include/soc/clk_tree_defs.h
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@@ -63,6 +63,7 @@ typedef enum {
SOC_CPU_CLK_SRC_XTAL = 0, /*!< Select XTAL_CLK as CPU_CLK source */
SOC_CPU_CLK_SRC_PLL = 1, /*!< Select PLL_CLK as CPU_CLK source (PLL_CLK is the output of 40MHz crystal oscillator frequency multiplier, can be 480MHz or 320MHz) */
SOC_CPU_CLK_SRC_RC_FAST = 2, /*!< Select RC_FAST_CLK as CPU_CLK source */
SOC_CPU_CLK_SRC_INVALID, /*!< Invalid CPU_CLK source */
} soc_cpu_clk_src_t;
/**
@@ -73,6 +74,7 @@ typedef enum {
SOC_RTC_SLOW_CLK_SRC_RC_SLOW = 0, /*!< Select RC_SLOW_CLK as RTC_SLOW_CLK source */
SOC_RTC_SLOW_CLK_SRC_XTAL32K = 1, /*!< Select XTAL32K_CLK as RTC_SLOW_CLK source */
SOC_RTC_SLOW_CLK_SRC_RC_FAST_D256 = 2, /*!< Select RC_FAST_D256_CLK (referred as FOSC_DIV or 8m_d256/8md256 in TRM and reg. description) as RTC_SLOW_CLK source */
SOC_RTC_SLOW_CLK_SRC_INVALID, /*!< Invalid RTC_SLOW_CLK source */
} soc_rtc_slow_clk_src_t;
/**
@@ -83,6 +85,7 @@ typedef enum {
SOC_RTC_FAST_CLK_SRC_XTAL_D2 = 0, /*!< Select XTAL_D2_CLK (may referred as XTAL_CLK_DIV_2) as RTC_FAST_CLK source */
SOC_RTC_FAST_CLK_SRC_XTAL_DIV = SOC_RTC_FAST_CLK_SRC_XTAL_D2, /*!< Alias name for `SOC_RTC_FAST_CLK_SRC_XTAL_D2` */
SOC_RTC_FAST_CLK_SRC_RC_FAST = 1, /*!< Select RC_FAST_CLK as RTC_FAST_CLK source */
SOC_RTC_FAST_CLK_SRC_INVALID, /*!< Invalid RTC_FAST_CLK source */
} soc_rtc_fast_clk_src_t;
// Naming convention: SOC_MOD_CLK_{[upstream]clock_name}_[attr]

46
components/soc/esp32c3/include/soc/rtc.h
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@@ -67,18 +67,20 @@ extern "C" {
#define RTC_CNTL_DBIAS_1V25 30
#define RTC_CNTL_DBIAS_1V30 31 //voltage is about 1.34v in fact
#define DELAY_FAST_CLK_SWITCH 3
#define DELAY_SLOW_CLK_SWITCH 300
#define DELAY_8M_ENABLE 50
/* Number of 8M/256 clock cycles to use for XTAL frequency estimation.
* 10 cycles will take approximately 300 microseconds.
/* Delays for various clock sources to be enabled/switched.
* All values are in microseconds.
*/
#define XTAL_FREQ_EST_CYCLES 10
#define DIG_DBIAS_80M RTC_CNTL_DBIAS_1V20
#define DIG_DBIAS_160M RTC_CNTL_DBIAS_1V20
#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:
* Currently, ESP32C3 never adjust its wake voltage in runtime
* Only sets dig/rtc voltage dbias at startup time
*/
#define DIG_DBIAS_80M RTC_CNTL_DBIAS_1V20
#define DIG_DBIAS_160M RTC_CNTL_DBIAS_1V20
#define DIG_DBIAS_XTAL RTC_CNTL_DBIAS_1V10
#define DIG_DBIAS_2M RTC_CNTL_DBIAS_1V00
@@ -163,7 +165,7 @@ typedef enum {
typedef struct {
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_rtc_clk_div : 8;
uint32_t clk_8m_clk_div : 3; //!< RTC 8M clock divider (division is by clk_8m_div+1, i.e. 0 means 8MHz frequency)
@@ -185,20 +187,6 @@ typedef struct {
.clk_8m_dfreq = RTC_CNTL_CK8M_DFREQ_DEFAULT, \
}
typedef struct {
uint32_t dac : 6;
uint32_t dres : 3;
uint32_t dgm : 3;
uint32_t dbuf: 1;
} x32k_config_t;
#define X32K_CONFIG_DEFAULT() { \
.dac = 3, \
.dres = 3, \
.dgm = 3, \
.dbuf = 1, \
}
typedef struct {
uint16_t wifi_powerup_cycles : 7;
uint16_t wifi_wait_cycles : 9;
@@ -317,9 +305,9 @@ bool rtc_clk_8md256_enabled(void);
/**
* @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
@@ -343,9 +331,9 @@ 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