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feat(driver): support acquire/release clock source dependency for all drivers

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This commit is contained in:
wuzhenghui
2025-01-20 15:45:38 +08:00
parent 113f40a3e0
commit 65b7e70564
35 changed files with 135 additions and 102 deletions
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3
components/esp_driver_gptimer/src/gptimer_common.c
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@@ -99,6 +99,7 @@ esp_err_t gptimer_select_periph_clock(gptimer_t *timer, gptimer_clock_source_t s
periph_rtc_dig_clk8m_enable();
}
#endif // SOC_TIMER_GROUP_SUPPORT_RC_FAST
timer->clk_src = src_clk;
// get clock source frequency
ESP_RETURN_ON_ERROR(esp_clk_tree_src_get_freq_hz((soc_module_clk_t)src_clk, ESP_CLK_TREE_SRC_FREQ_PRECISION_CACHED, &counter_src_hz),
@@ -139,7 +140,6 @@ esp_err_t gptimer_select_periph_clock(gptimer_t *timer, gptimer_clock_source_t s
}
#endif // CONFIG_PM_ENABLE
esp_clk_tree_enable_src((soc_module_clk_t)src_clk, true);
// !!! HARDWARE SHARED RESOURCE !!!
// on some ESP chip, different peripheral's clock source setting are mixed in the same register
// so we need to make this done in an atomic way
@@ -147,7 +147,6 @@ esp_err_t gptimer_select_periph_clock(gptimer_t *timer, gptimer_clock_source_t s
timer_ll_set_clock_source(group_id, timer_id, src_clk);
timer_ll_enable_clock(group_id, timer_id, true);
}
timer->clk_src = src_clk;
uint32_t prescale = counter_src_hz / resolution_hz; // potential resolution loss here
timer_ll_set_clock_prescale(timer->hal.dev, timer_id, prescale);
timer->resolution_hz = counter_src_hz / prescale; // this is the real resolution