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5eec1df01e
- add support for rtl8224 2.5Gbps PHY - add support for PHY LEDs on RTL8211F Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
64 lines
2.0 KiB
Diff
64 lines
2.0 KiB
Diff
From d54ef6aea00e7a6ace439baade6ad0aa38ee4b04 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Mon, 3 Apr 2023 01:21:57 +0300
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Subject: [PATCH 287/326] net: phy: realtek: disable SGMII in-band AN for 2.5G
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PHYs
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MAC drivers don't use SGMII in-band autonegotiation unless told to do so
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in device tree using 'managed = "in-band-status"'. When using MDIO to
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access a PHY, in-band-status is unneeded as we have link-status via
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MDIO. Switch off SGMII in-band autonegotiation using magic values.
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Reported-by: Chen Minqiang <ptpt52@gmail.com>
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Reported-by: Chukun Pan <amadeus@jmu.edu.cn>
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Reported-by: Yevhen Kolomeiko <jarvis2709@gmail.com>
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Tested-by: Yevhen Kolomeiko <jarvis2709@gmail.com>
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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---
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drivers/net/phy/realtek.c | 27 +++++++++++++++++++++++++--
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1 file changed, 25 insertions(+), 2 deletions(-)
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--- a/drivers/net/phy/realtek.c
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+++ b/drivers/net/phy/realtek.c
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@@ -785,8 +785,8 @@ static int rtl822x_write_mmd(struct phy_
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static int rtl822xb_config_init(struct phy_device *phydev)
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{
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bool has_2500, has_sgmii;
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+ int ret, val;
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u16 mode;
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- int ret;
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has_2500 = test_bit(PHY_INTERFACE_MODE_2500BASEX,
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phydev->host_interfaces) ||
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@@ -836,7 +836,29 @@ static int rtl822xb_config_init(struct p
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if (ret < 0)
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return ret;
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- return phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x6f11, 0x8020);
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+ ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x6f11, 0x8020);
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+ if (ret < 0)
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+ return ret;
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+
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+ /* Disable SGMII AN */
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+ ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x7588, 0x2);
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+ if (ret < 0)
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+ return ret;
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+
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+ ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x7589, 0x71d0);
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+ if (ret < 0)
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+ return ret;
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+
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+ ret = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x7587, 0x3);
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+ if (ret < 0)
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+ return ret;
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+
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+ ret = phy_read_mmd_poll_timeout(phydev, MDIO_MMD_VEND1, 0x7587,
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+ val, !(val & BIT(0)), 500, 100000, false);
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+ if (ret < 0)
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+ return ret;
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+
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+ return 0;
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}
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static int rtl822xb_get_rate_matching(struct phy_device *phydev,
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