clk: initialize wifi lp_clk in esp_perip_clk_init

components/esp_system/port/soc/esp32c6/clk.c

@@ -180,6 +180,23 @@ void rtc_clk_select_rtc_slow_clk(void)
 __attribute__((weak)) void esp_perip_clk_init(void)
 {
     modem_clock_domain_pmu_state_icg_map_init();
+
+    /* During system initialization, the low-power clock source of the modem
+     * (WiFi, BLE or Coexist) follows the configuration of the slow clock source
+     * of the system. If the WiFi, BLE or Coexist module needs a higher
+     * precision sleep clock (for example, the BLE needs to use the main XTAL
+     * oscillator (40 MHz) to provide the clock during the sleep process in some
+     * scenarios), the module needs to switch to the required clock source by
+     * itself. */ //TODO - WIFI-5233
+    soc_rtc_slow_clk_src_t rtc_slow_clk_src = rtc_clk_slow_src_get();
+    modem_clock_lpclk_src_t modem_lpclk_src = (modem_clock_lpclk_src_t) ( \
+                  (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC_SLOW)  ? MODEM_CLOCK_LPCLK_SRC_RC_SLOW \
+                : (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_XTAL32K)  ? MODEM_CLOCK_LPCLK_SRC_XTAL32K  \
+                : (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_RC32K)    ? MODEM_CLOCK_LPCLK_SRC_RC32K    \
+                : (rtc_slow_clk_src == SOC_RTC_SLOW_CLK_SRC_OSC_SLOW) ? MODEM_CLOCK_LPCLK_SRC_EXT32K   \
+                : SOC_RTC_SLOW_CLK_SRC_RC_SLOW);
+    modem_clock_select_lp_clock_source(PERIPH_WIFI_MODULE, modem_lpclk_src, 0);
+
     ESP_EARLY_LOGW(TAG, "esp_perip_clk_init() has not been implemented yet");
 #if 0 // TODO: IDF-5658
     uint32_t common_perip_clk, hwcrypto_perip_clk, wifi_bt_sdio_clk = 0;