drivers: pwm: ledc: esp32c2: esp32c6: Fix clock frequency

Fix clock frequency for both devices.

Signed-off-by: Raffael Rostagno <raffael.rostagno@espressif.com>

drivers/pwm/pwm_led_esp32.c

@@ -22,6 +22,17 @@
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(pwm_ledc_esp32, CONFIG_PWM_LOG_LEVEL);
 
+#if SOC_LEDC_SUPPORT_APB_CLOCK
+#define CLOCK_SOURCE LEDC_APB_CLK
+#elif SOC_LEDC_SUPPORT_PLL_DIV_CLOCK
+#define CLOCK_SOURCE LEDC_SCLK
+#if defined(CONFIG_SOC_SERIES_ESP32C2)
+#define SCLK_CLK_FREQ MHZ(60)
+#elif defined(CONFIG_SOC_SERIES_ESP32C6)
+#define SCLK_CLK_FREQ MHZ(80)
+#endif
+#endif
+
 struct pwm_ledc_esp32_data {
 	ledc_hal_context_t hal;
 	struct k_sem cmd_sem;
@@ -350,12 +361,6 @@ static const struct pwm_driver_api pwm_led_esp32_api = {
 
 PINCTRL_DT_INST_DEFINE(0);
 
-#if SOC_LEDC_SUPPORT_APB_CLOCK
-	#define CLOCK_SOURCE	LEDC_APB_CLK
-#elif SOC_LEDC_SUPPORT_PLL_DIV_CLOCK
-	#define CLOCK_SOURCE	LEDC_SCLK
-#endif
-
 #define CHANNEL_CONFIG(node_id)                                                \
 	{                                                                      \
 		.idx = DT_REG_ADDR(node_id),                                   \