diff options
Diffstat (limited to 'include/generic-phy.h')
| -rw-r--r-- | include/generic-phy.h | 190 |
1 files changed, 136 insertions, 54 deletions
diff --git a/include/generic-phy.h b/include/generic-phy.h index f8eddeff67..bee4de8a0b 100644 --- a/include/generic-phy.h +++ b/include/generic-phy.h @@ -11,6 +11,29 @@ struct ofnode_phandle_args; +enum phy_mode { + PHY_MODE_INVALID, + PHY_MODE_USB_HOST, + PHY_MODE_USB_HOST_LS, + PHY_MODE_USB_HOST_FS, + PHY_MODE_USB_HOST_HS, + PHY_MODE_USB_HOST_SS, + PHY_MODE_USB_DEVICE, + PHY_MODE_USB_DEVICE_LS, + PHY_MODE_USB_DEVICE_FS, + PHY_MODE_USB_DEVICE_HS, + PHY_MODE_USB_DEVICE_SS, + PHY_MODE_USB_OTG, + PHY_MODE_UFS_HS_A, + PHY_MODE_UFS_HS_B, + PHY_MODE_PCIE, + PHY_MODE_ETHERNET, + PHY_MODE_MIPI_DPHY, + PHY_MODE_SATA, + PHY_MODE_LVDS, + PHY_MODE_DP +}; + /** * struct phy - A handle to (allowing control of) a single phy port. * @@ -69,73 +92,99 @@ struct phy_ops { int (*init)(struct phy *phy); /** - * exit - de-initialize the PHY device - * - * Hardware de-intialization should be done here. Every step done in - * init() should be undone here. - * This could be used to suspend the phy to reduce power consumption or - * to put the phy in a known condition before booting the OS (though it - * is NOT called automatically before booting the OS) - * If power_off() is not implemented, it must power down the phy. - * - * @phy: PHY port to be de-initialized - * Return: 0 if OK, or a negative error code - */ + * exit - de-initialize the PHY device + * + * Hardware de-intialization should be done here. Every step done in + * init() should be undone here. + * This could be used to suspend the phy to reduce power consumption or + * to put the phy in a known condition before booting the OS (though it + * is NOT called automatically before booting the OS) + * If power_off() is not implemented, it must power down the phy. + * + * @phy: PHY port to be de-initialized + * Return: 0 if OK, or a negative error code + */ int (*exit)(struct phy *phy); /** - * reset - resets a PHY device without shutting down - * - * @phy: PHY port to be reset - * - * During runtime, the PHY may need to be reset in order to - * re-establish connection etc without being shut down or exit. - * - * Return: 0 if OK, or a negative error code - */ + * reset - resets a PHY device without shutting down + * + * @phy: PHY port to be reset + * + * During runtime, the PHY may need to be reset in order to + * re-establish connection etc without being shut down or exit. + * + * Return: 0 if OK, or a negative error code + */ int (*reset)(struct phy *phy); /** - * power_on - power on a PHY device - * - * @phy: PHY port to be powered on - * - * During runtime, the PHY may need to be powered on or off several - * times. This function is used to power on the PHY. It relies on the - * setup done in init(). If init() is not implemented, it must take care - * of setting up the context (PLLs, ...) - * - * Return: 0 if OK, or a negative error code - */ + * power_on - power on a PHY device + * + * @phy: PHY port to be powered on + * + * During runtime, the PHY may need to be powered on or off several + * times. This function is used to power on the PHY. It relies on the + * setup done in init(). If init() is not implemented, it must take care + * of setting up the context (PLLs, ...) + * + * Return: 0 if OK, or a negative error code + */ int (*power_on)(struct phy *phy); /** - * power_off - power off a PHY device - * - * @phy: PHY port to be powered off - * - * During runtime, the PHY may need to be powered on or off several - * times. This function is used to power off the PHY. Except if - * init()/deinit() are not implemented, it must not de-initialize - * everything. - * - * Return: 0 if OK, or a negative error code - */ + * power_off - power off a PHY device + * + * @phy: PHY port to be powered off + * + * During runtime, the PHY may need to be powered on or off several + * times. This function is used to power off the PHY. Except if + * init()/deinit() are not implemented, it must not de-initialize + * everything. + * + * Return: 0 if OK, or a negative error code + */ int (*power_off)(struct phy *phy); /** - * configure - configure a PHY device - * - * @phy: PHY port to be configured - * @params: PHY Parameters, underlying data is specific to the PHY function - * - * During runtime, the PHY may need to be configured for it's main function. - * This function configures the PHY for it's main function following - * power_on/off() after beeing initialized. - * - * Return: 0 if OK, or a negative error code - */ + * configure - configure a PHY device + * + * @phy: PHY port to be configured + * @params: PHY Parameters, underlying data is specific to the PHY function + * + * During runtime, the PHY may need to be configured for it's main function. + * This function configures the PHY for it's main function following + * power_on/off() after being initialized. + * + * Return: 0 if OK, or a negative error code + */ int (*configure)(struct phy *phy, void *params); + + /** + * set_mode - set PHY device mode + * + * @phy: PHY port to be configured + * @mode: PHY mode + * @submode: PHY submode + * + * Configure PHY mode (e.g. USB, Ethernet, ...) and submode + * (e.g. for Ethernet this can be RGMII). + * + * Return: 0 if OK, or a negative error code + */ + int (*set_mode)(struct phy *phy, enum phy_mode mode, int submode); + + /** + * set_speed - set PHY device speed + * + * @phy: PHY port to be configured + * @speed: PHY speed + * + * Configure PHY speed (e.g. for Ethernet, this could be 10 or 100 ...). + * + * Return: 0 if OK, or a negative error code + */ + int (*set_speed)(struct phy *phy, int speed); }; /** @@ -206,6 +255,24 @@ int generic_phy_power_off(struct phy *phy); */ int generic_phy_configure(struct phy *phy, void *params); +/** + * generic_phy_set_mode() - set PHY device mode + * + * @phy: PHY port to be configured + * @mode: PHY mode + * @submode: PHY submode + * Return: 0 if OK, or a negative error code + */ +int generic_phy_set_mode(struct phy *phy, enum phy_mode mode, int submode); + +/** + * generic_phy_set_speed() - set PHY device speed + * + * @phy: PHY port to be configured + * @speed: PHY speed + * Return: 0 if OK, or a negative error code + */ +int generic_phy_set_speed(struct phy *phy, int speed); /** * generic_phy_get_by_index() - Get a PHY device by integer index. @@ -389,6 +456,21 @@ static inline int generic_phy_power_off(struct phy *phy) return 0; } +static inline int generic_phy_configure(struct phy *phy, void *params) +{ + return 0; +} + +static inline int generic_phy_set_mode(struct phy *phy, enum phy_mode mode, int submode) +{ + return 0; +} + +static inline int generic_phy_set_speed(struct phy *phy, int speed) +{ + return 0; +} + static inline int generic_phy_get_by_index(struct udevice *user, int index, struct phy *phy) { |