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0a4b309f41
Backport initial LEDs hw control support. Currently this is limited to only rx/tx and link events for the netdev trigger but the API got accepted and the additional modes are working on and will be backported later. Refresh every patch and add the additional config flag for QCA8K new LEDs support. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
74 lines
2.4 KiB
Diff
74 lines
2.4 KiB
Diff
From 4e901018432e38eab35d2a352661ce4727795be1 Mon Sep 17 00:00:00 2001
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From: Andrew Lunn <andrew@lunn.ch>
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Date: Mon, 17 Apr 2023 17:17:30 +0200
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Subject: [PATCH 8/9] net: phy: phy_device: Call into the PHY driver to set LED
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blinking
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Linux LEDs can be requested to perform hardware accelerated
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blinking. Pass this to the PHY driver, if it implements the op.
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Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/phy/phy_device.c | 18 ++++++++++++++++++
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include/linux/phy.h | 12 ++++++++++++
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2 files changed, 30 insertions(+)
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--- a/drivers/net/phy/phy_device.c
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+++ b/drivers/net/phy/phy_device.c
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@@ -2959,6 +2959,22 @@ static int phy_led_set_brightness(struct
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return err;
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}
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+static int phy_led_blink_set(struct led_classdev *led_cdev,
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+ unsigned long *delay_on,
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+ unsigned long *delay_off)
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+{
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+ struct phy_led *phyled = to_phy_led(led_cdev);
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+ struct phy_device *phydev = phyled->phydev;
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+ int err;
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+
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+ mutex_lock(&phydev->lock);
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+ err = phydev->drv->led_blink_set(phydev, phyled->index,
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+ delay_on, delay_off);
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+ mutex_unlock(&phydev->lock);
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+
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+ return err;
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+}
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+
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static int of_phy_led(struct phy_device *phydev,
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struct device_node *led)
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{
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@@ -2981,6 +2997,8 @@ static int of_phy_led(struct phy_device
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if (phydev->drv->led_brightness_set)
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cdev->brightness_set_blocking = phy_led_set_brightness;
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+ if (phydev->drv->led_blink_set)
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+ cdev->blink_set = phy_led_blink_set;
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cdev->max_brightness = 1;
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init_data.devicename = dev_name(&phydev->mdio.dev);
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init_data.fwnode = of_fwnode_handle(led);
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--- a/include/linux/phy.h
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+++ b/include/linux/phy.h
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@@ -966,6 +966,18 @@ struct phy_driver {
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*/
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int (*led_brightness_set)(struct phy_device *dev,
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u8 index, enum led_brightness value);
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+
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+ /**
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+ * @led_blink_set: Set a PHY LED brightness. Index indicates
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+ * which of the PHYs led should be configured to blink. Delays
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+ * are in milliseconds and if both are zero then a sensible
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+ * default should be chosen. The call should adjust the
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+ * timings in that case and if it can't match the values
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+ * specified exactly.
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+ */
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+ int (*led_blink_set)(struct phy_device *dev, u8 index,
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+ unsigned long *delay_on,
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+ unsigned long *delay_off);
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};
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#define to_phy_driver(d) container_of(to_mdio_common_driver(d), \
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struct phy_driver, mdiodrv)
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