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net: phy: phy_device: Call into the PHY driver to set LED blinking

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Linux LEDs can be requested to perform hardware accelerated
blinking. Pass this to the PHY driver, if it implements the op.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Andrew Lunn 2023-04-17 17:17:30 +02:00 • committed by David S. Miller
parent 2d3960e58e
commit 4e90101843
2 changed files with 30 additions and 0 deletions
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18
drivers/net/phy/phy_device.c
View file

@ -3005,6 +3005,22 @@ static int phy_led_set_brightness(struct led_classdev *led_cdev,
return err; return err;
} }
static int phy_led_blink_set(struct led_classdev *led_cdev,
unsigned long *delay_on,
unsigned long *delay_off)
{
struct phy_led *phyled = to_phy_led(led_cdev);
struct phy_device *phydev = phyled->phydev;
int err;
mutex_lock(&phydev->lock);
err = phydev->drv->led_blink_set(phydev, phyled->index,
delay_on, delay_off);
mutex_unlock(&phydev->lock);
return err;
}
static int of_phy_led(struct phy_device *phydev, static int of_phy_led(struct phy_device *phydev,
struct device_node *led) struct device_node *led)
{ {
@ -3027,6 +3043,8 @@ static int of_phy_led(struct phy_device *phydev,
if (phydev->drv->led_brightness_set) if (phydev->drv->led_brightness_set)
cdev->brightness_set_blocking = phy_led_set_brightness; cdev->brightness_set_blocking = phy_led_set_brightness;
if (phydev->drv->led_blink_set)
cdev->blink_set = phy_led_blink_set;
cdev->max_brightness = 1; cdev->max_brightness = 1;
init_data.devicename = dev_name(&phydev->mdio.dev); init_data.devicename = dev_name(&phydev->mdio.dev);
init_data.fwnode = of_fwnode_handle(led); init_data.fwnode = of_fwnode_handle(led);

12
include/linux/phy.h
View file

@ -1085,6 +1085,18 @@ struct phy_driver {
*/ */
int (*led_brightness_set)(struct phy_device *dev, int (*led_brightness_set)(struct phy_device *dev,
u8 index, enum led_brightness value); u8 index, enum led_brightness value);
/**
* @led_blink_set: Set a PHY LED brightness. Index indicates
* which of the PHYs led should be configured to blink. Delays
* are in milliseconds and if both are zero then a sensible
* default should be chosen. The call should adjust the
* timings in that case and if it can't match the values
* specified exactly.
*/
int (*led_blink_set)(struct phy_device *dev, u8 index,
unsigned long *delay_on,
unsigned long *delay_off);
}; };
#define to_phy_driver(d) container_of(to_mdio_common_driver(d), \ #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
struct phy_driver, mdiodrv) struct phy_driver, mdiodrv)