参考代码

components/system/include/drivers/chip/phy.h

@@ -0,0 +1,48 @@
+#ifndef __PHY_H__
+#define __PHY_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/* Defines the PHY link speed. This is align with the speed for MAC. */
+enum phy_speed
+{
+    PHY_SPEED_10M = 0U, /* PHY 10M speed. */
+    PHY_SPEED_100M      /* PHY 100M speed. */
+};
+
+/* Defines the PHY link duplex. */
+enum phy_duplex
+{
+    PHY_HALF_DUPLEX = 0U, /* PHY half duplex. */
+    PHY_FULL_DUPLEX       /* PHY full duplex. */
+};
+
+/*! @brief Defines the PHY loopback mode. */
+enum phy_loop
+{
+    PHY_LOCAL_LOOP = 0U, /* PHY local loopback. */
+    PHY_REMOTE_LOOP      /* PHY remote loopback. */
+};
+
+typedef struct
+{
+    enum phy_speed speed;
+    enum phy_duplex duplex;
+    enum phy_loop loop;
+} phy_param_t;
+
+int drv_phy_init(unsigned phy_addr, unsigned src_clock_hz, phy_param_t *param);
+int drv_phy_read(unsigned reg, unsigned *data);
+int drv_phy_write(unsigned reg, unsigned data);
+int drv_phy_loopback(unsigned mode, unsigned speed, unsigned enable);
+int drv_phy_get_link_status(unsigned *status);
+int drv_phy_get_link_speed_duplex(unsigned *speed, unsigned *duplex);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif