+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
* Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __GENERIC_PHY_H
#define __GENERIC_PHY_H
+#include <dm/ofnode.h>
+
+struct ofnode_phandle_args;
/**
* struct phy - A handle to (allowing control of) a single phy port.
* @args: The phy specifier values from device tree.
* @return 0 if OK, or a negative error code.
*/
- int (*of_xlate)(struct phy *phy,
- struct fdtdec_phandle_args *args);
+ int (*of_xlate)(struct phy *phy, struct ofnode_phandle_args *args);
/**
* init - initialize the hardware.
int (*power_off)(struct phy *phy);
};
+#ifdef CONFIG_PHY
/**
* generic_phy_init() - initialize the PHY port
struct phy *phy);
/**
+ * generic_phy_get_by_node() - Get a PHY device by integer index on ofnode
+ *
+ * @node: the device node
+ * @index: The index in the list of available PHYs
+ * @phy: A pointer to the PHY port
+ *
+ * This looks up a PHY device for a client device based on its ofnode and on
+ * its position in the list of the possible PHYs.
+ *
+ * example:
+ * usb1: usb_otg_ss@xxx {
+ * compatible = "xxx";
+ * reg = <xxx>;
+ * .
+ * .
+ * phys = <&usb2_phy>, <&usb3_phy>;
+ * .
+ * .
+ * };
+ * the USB2 phy can be accessed by passing index '0' and the USB3 phy can
+ * be accessed by passing index '1'
+ *
+ * @return 0 if OK, or a negative error code
+ */
+int generic_phy_get_by_node(ofnode node, int index, struct phy *phy);
+
+/**
* generic_phy_get_by_name() - Get a PHY device by its name.
*
* @user: the client device
int generic_phy_get_by_name(struct udevice *user, const char *phy_name,
struct phy *phy);
+#else /* CONFIG_PHY */
+
+static inline int generic_phy_init(struct phy *phy)
+{
+ return 0;
+}
+
+static inline int generic_phy_exit(struct phy *phy)
+{
+ return 0;
+}
+
+static inline int generic_phy_reset(struct phy *phy)
+{
+ return 0;
+}
+
+static inline int generic_phy_power_on(struct phy *phy)
+{
+ return 0;
+}
+
+static inline int generic_phy_power_off(struct phy *phy)
+{
+ return 0;
+}
+
+static inline int generic_phy_get_by_index(struct udevice *user, int index,
+ struct phy *phy)
+{
+ return 0;
+}
+
+static inline int generic_phy_get_by_name(struct udevice *user, const char *phy_name,
+ struct phy *phy)
+{
+ return 0;
+}
+
+#endif /* CONFIG_PHY */
+
+/**
+ * generic_phy_valid() - check if PHY port is valid
+ *
+ * @phy: the PHY port to check
+ * @return TRUE if valid, or FALSE
+ */
+static inline bool generic_phy_valid(struct phy *phy)
+{
+ return phy && phy->dev;
+}
+
#endif /*__GENERIC_PHY_H */