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5fd518b6e3
Add driver support for PHY LEDs for MaxLinear/Intel GPY Ethernet PHYs. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
59 lines
1.9 KiB
Diff
59 lines
1.9 KiB
Diff
From eb89c79c1b8f17fc1611540768678e60df89ac42 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Thu, 10 Oct 2024 13:55:17 +0100
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Subject: [PATCH 3/4] net: phy: mxl-gpy: correctly describe LED polarity
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According the datasheet covering the LED (0x1b) register:
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0B Active High LEDx pin driven high when activated
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1B Active Low LEDx pin driven low when activated
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Make use of the now available 'active-high' property and correctly
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reflect the polarity setting which was previously inverted.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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Reviewed-by: Andrew Lunn <andrew@lunn.ch>
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Link: https://patch.msgid.link/180ccafa837f09908b852a8a874a3808c5ecd2d0.1728558223.git.daniel@makrotopia.org
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Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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---
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drivers/net/phy/mxl-gpy.c | 16 ++++++++++++----
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1 file changed, 12 insertions(+), 4 deletions(-)
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--- a/drivers/net/phy/mxl-gpy.c
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+++ b/drivers/net/phy/mxl-gpy.c
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@@ -981,7 +981,7 @@ static int gpy_led_hw_control_set(struct
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static int gpy_led_polarity_set(struct phy_device *phydev, int index,
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unsigned long modes)
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{
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- bool active_low = false;
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+ bool force_active_low = false, force_active_high = false;
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u32 mode;
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if (index >= GPY_MAX_LEDS)
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@@ -990,15 +990,23 @@ static int gpy_led_polarity_set(struct p
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for_each_set_bit(mode, &modes, __PHY_LED_MODES_NUM) {
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switch (mode) {
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case PHY_LED_ACTIVE_LOW:
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- active_low = true;
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+ force_active_low = true;
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+ break;
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+ case PHY_LED_ACTIVE_HIGH:
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+ force_active_high = true;
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break;
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default:
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return -EINVAL;
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}
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}
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- return phy_modify(phydev, PHY_LED, PHY_LED_POLARITY(index),
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- active_low ? 0 : PHY_LED_POLARITY(index));
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+ if (force_active_low)
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+ return phy_set_bits(phydev, PHY_LED, PHY_LED_POLARITY(index));
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+
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+ if (force_active_high)
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+ return phy_clear_bits(phydev, PHY_LED, PHY_LED_POLARITY(index));
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+
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+ unreachable();
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}
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static struct phy_driver gpy_drivers[] = {
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