alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-10-05 20:47:46 -04:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

sdm: adopt clock tree

Browse Source
This commit is contained in:
laokaiyao 2023-02-26 19:33:25 +08:00 committed by morris
parent fd5bfb2cd4
commit 754aa7d128
1 changed files with 19 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
components/driver/sigma_delta/sdm.c
View File

@ -19,6 +19,7 @@
#include "esp_log.h"
#include "esp_check.h"
#include "esp_pm.h"
#include "clk_tree.h"
#include "driver/gpio.h"
#include "driver/sdm.h"
#include "hal/gpio_hal.h"
@ -209,46 +210,27 @@ esp_err_t sdm_new_channel(const sdm_config_t *config, sdm_channel_handle_t *ret_
ESP_GOTO_ON_FALSE(group->clk_src == 0 || group->clk_src == config->clk_src, ESP_ERR_INVALID_ARG, err, TAG, "clock source conflict");
uint32_t src_clk_hz = 0;
switch (config->clk_src) {
#if SOC_SDM_CLK_SUPPORT_APB
case SDM_CLK_SRC_APB:
src_clk_hz = esp_clk_apb_freq();
ESP_GOTO_ON_ERROR(clk_tree_src_get_freq_hz((soc_module_clk_t)config->clk_src,
CLK_TREE_SRC_FREQ_PRECISION_CACHED, &src_clk_hz), err, TAG, "get source clock frequency failed");
#if CONFIG_PM_ENABLE
sprintf(chan->pm_lock_name, "sdm_%d_%d", group->group_id, chan_id); // e.g. sdm_0_0
ret = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, chan->pm_lock_name, &chan->pm_lock);
ESP_RETURN_ON_ERROR(ret, TAG, "create APB_FREQ_MAX lock failed");
#endif
break;
#endif // SOC_SDM_CLK_SUPPORT_APB
esp_pm_lock_type_t pm_type = ESP_PM_NO_LIGHT_SLEEP;
#if SOC_SDM_CLK_SUPPORT_XTAL
case SDM_CLK_SRC_XTAL:
src_clk_hz = esp_clk_xtal_freq();
break;
#endif // SOC_SDM_CLK_SUPPORT_XTAL
#if SOC_SDM_CLK_SUPPORT_PLL_F80M
case SDM_CLK_SRC_PLL_F80M:
src_clk_hz = 80 * 1000 * 1000;
#if CONFIG_PM_ENABLE
sprintf(chan->pm_lock_name, "sdm_%d_%d", group->group_id, chan_id); // e.g. sdm_0_0
ret = esp_pm_lock_create(ESP_PM_NO_LIGHT_SLEEP, 0, chan->pm_lock_name, &chan->pm_lock);
ESP_RETURN_ON_ERROR(ret, TAG, "create NO_LIGHT_SLEEP lock failed");
#endif // CONFIG_PM_ENABLE
break;
#endif // SOC_SDM_CLK_SUPPORT_PLL_F80M
#if SOC_SDM_CLK_SUPPORT_PLL_F48M
case SDM_CLK_SRC_PLL_F48M:
src_clk_hz = 48 * 1000 * 1000;
#if CONFIG_PM_ENABLE
sprintf(chan->pm_lock_name, "sdm_%d_%d", group->group_id, chan_id); // e.g. sdm_0_0
ret = esp_pm_lock_create(ESP_PM_NO_LIGHT_SLEEP, 0, chan->pm_lock_name, &chan->pm_lock);
ESP_RETURN_ON_ERROR(ret, TAG, "create NO_LIGHT_SLEEP lock failed");
#endif // CONFIG_PM_ENABLE
break;
#endif // SOC_SDM_CLK_SUPPORT_PLL_F48M
default:
ESP_GOTO_ON_FALSE(false, ESP_ERR_NOT_SUPPORTED, err, TAG, "clock source %d is not support", config->clk_src);
break;
if (config->clk_src == SDM_CLK_SRC_XTAL) {
pm_type = -1;
}
#endif // SOC_SDM_CLK_SUPPORT_XTAL
#if SOC_SDM_CLK_SUPPORT_APB
if (config->clk_src == SDM_CLK_SRC_APB) {
pm_type = ESP_PM_APB_FREQ_MAX;
}
#endif // SOC_SDM_CLK_SUPPORT_APB
if (pm_type >= 0) {
sprintf(chan->pm_lock_name, "sdm_%d_%d", group->group_id, chan_id); // e.g. sdm_0_0
ret = esp_pm_lock_create(pm_type, 0, chan->pm_lock_name, &chan->pm_lock);
ESP_RETURN_ON_ERROR(ret, TAG, "create %s lock failed", chan->pm_lock_name);
}
#endif // CONFIG_PM_ENABLE
group->clk_src = config->clk_src;
// SDM clock comes from IO MUX, but IO MUX clock might be shared with other submodules as well