Merge branch 'fix/emac_pll' into 'master'

docs(esp_eth): added test to verify A/MPLL configuration

Closes IDF-11629

See merge request espressif/esp-idf!45978

components/soc/esp32p4/include/soc/Kconfig.soc_caps.in

@@ -1883,6 +1883,10 @@ config SOC_EMAC_SUPPORT_SLEEP_RETENTION
     bool
     default y
 
+config SOC_EMAC_REF_CLK_FROM_MPLL
+    bool
+    default y
+
 config SOC_JPEG_CODEC_SUPPORTED
     bool
     default y

components/soc/esp32p4/include/soc/soc_caps.h

@@ -720,6 +720,7 @@
 #define SOC_EMAC_USE_MULTI_IO_MUX                  (1)      /*!< Multiple GPIO pad options exist to connect EMAC signal via IO_MUX */
 #define SOC_EMAC_MII_USE_GPIO_MATRIX               (1)      /*!< EMAC MII signals are connected to GPIO pads via GPIO Matrix */
 #define SOC_EMAC_SUPPORT_SLEEP_RETENTION           (1)      /*!< EMAC supports register backup/restore in sleep mode */
+#define SOC_EMAC_REF_CLK_FROM_MPLL                 (1)      /*!< RMII REF CLK can use MPLL as internal clock source */
 
 /*--------------------------- JPEG --------------------------------*/
 #define SOC_JPEG_CODEC_SUPPORTED                  (1)