Add the PHY configure op callback to the generic PHY uclass to permit configuring the PHY.
It's useful for MIPI DSI PHYs to setup the link timings.
Signed-off-by:Neil Armstrong narmstrong@baylibre.com Signed-off-by: Neil Armstrong narmstrong@baylibre.com --- drivers/phy/phy-uclass.c | 11 +++++++++++ include/generic-phy.h | 23 +++++++++++++++++++++++ 2 files changed, 34 insertions(+)
diff --git a/drivers/phy/phy-uclass.c b/drivers/phy/phy-uclass.c index ef03e3a502..43ffbcee0f 100644 --- a/drivers/phy/phy-uclass.c +++ b/drivers/phy/phy-uclass.c @@ -204,6 +204,17 @@ int generic_phy_power_off(struct phy *phy) return ret; }
+int generic_phy_configure(struct phy *phy, void *params) +{ + struct phy_ops const *ops; + + if (!generic_phy_valid(phy)) + return 0; + ops = phy_dev_ops(phy->dev); + + return ops->configure ? ops->configure(phy, params) : 0; +} + int generic_phy_get_bulk(struct udevice *dev, struct phy_bulk *bulk) { int i, ret, count; diff --git a/include/generic-phy.h b/include/generic-phy.h index 5ab34cda03..a17d900e4b 100644 --- a/include/generic-phy.h +++ b/include/generic-phy.h @@ -122,6 +122,20 @@ struct phy_ops { * @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 + */ + int (*configure)(struct phy *phy, void *params); };
/** @@ -183,6 +197,15 @@ int generic_phy_power_on(struct phy *phy); */ int generic_phy_power_off(struct phy *phy);
+/** + * generic_phy_configure() - configure a PHY device + * + * @phy: PHY port to be configured + * @params: PHY Parameters, underlying data is specific to the PHY function + * @return 0 if OK, or a negative error code + */ +int generic_phy_configure(struct phy *phy, void *params); +
/** * generic_phy_get_by_index() - Get a PHY device by integer index.