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generic-phy: add configure op

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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>
This commit is contained in:
Neil Armstrong 2020-12-29 14:58:59 +01:00
parent afef20585a
commit f8da8a82c5
2 changed files with 34 additions and 0 deletions
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11
drivers/phy/phy-uclass.c
View file

@ -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;

23
include/generic-phy.h
View file

@ -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.