5af7d47cd7
Calling rtl822x_probe() on phy devices which uses the rtl822x_read_mmd() and rtl822x_write_mmd() functions makes no sense and the probe ends with an EOPNOTSUPP error. Signed-off-by: Martin Schiller <ms@dev.tdt.de>
85 lines
2.9 KiB
Diff
85 lines
2.9 KiB
Diff
From 9155098547fb1172d4fa536f3f6bc9d42f59d08c Mon Sep 17 00:00:00 2001
|
|
From: Daniel Golle <daniel@makrotopia.org>
|
|
Date: Sat, 22 Apr 2023 03:26:01 +0100
|
|
Subject: [PATCH] net: phy: realtek: setup ALDPS on RTL822x
|
|
|
|
Setup Link Down Power Saving Mode according the DTS property
|
|
just like for RTL821x 1GE PHYs.
|
|
|
|
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
|
|
---
|
|
drivers/net/phy/realtek.c | 11 +++++++++++
|
|
1 file changed, 11 insertions(+)
|
|
|
|
--- a/drivers/net/phy/realtek.c
|
|
+++ b/drivers/net/phy/realtek.c
|
|
@@ -62,6 +62,10 @@
|
|
#define RTL8221B_SERDES_OPTION_MODE_2500BASEX 2
|
|
#define RTL8221B_SERDES_OPTION_MODE_HISGMII 3
|
|
|
|
+#define RTL8221B_PHYCR1 0xa430
|
|
+#define RTL8221B_PHYCR1_ALDPS_EN BIT(2)
|
|
+#define RTL8221B_PHYCR1_ALDPS_XTAL_OFF_EN BIT(12)
|
|
+
|
|
#define RTL8366RB_POWER_SAVE 0x15
|
|
#define RTL8366RB_POWER_SAVE_ON BIT(12)
|
|
|
|
@@ -740,6 +744,25 @@ static int rtl8226_match_phy_device(stru
|
|
rtlgen_supports_2_5gbps(phydev);
|
|
}
|
|
|
|
+static int rtl822x_probe(struct phy_device *phydev)
|
|
+{
|
|
+ struct device *dev = &phydev->mdio.dev;
|
|
+ int val;
|
|
+
|
|
+ val = phy_read_mmd(phydev, RTL8221B_MMD_SERDES_CTRL, RTL8221B_PHYCR1);
|
|
+ if (val < 0)
|
|
+ return val;
|
|
+
|
|
+ if (of_property_read_bool(dev->of_node, "realtek,aldps-enable"))
|
|
+ val |= RTL8221B_PHYCR1_ALDPS_EN | RTL8221B_PHYCR1_ALDPS_XTAL_OFF_EN;
|
|
+ else
|
|
+ val &= ~(RTL8221B_PHYCR1_ALDPS_EN | RTL8221B_PHYCR1_ALDPS_XTAL_OFF_EN);
|
|
+
|
|
+ phy_write_mmd(phydev, RTL8221B_MMD_SERDES_CTRL, RTL8221B_PHYCR1, val);
|
|
+
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static int rtlgen_resume(struct phy_device *phydev)
|
|
{
|
|
int ret = genphy_resume(phydev);
|
|
@@ -1039,6 +1062,7 @@ static struct phy_driver realtek_drvs[]
|
|
.name = "RTL8226-CG 2.5Gbps PHY",
|
|
.get_features = rtl822x_get_features,
|
|
.config_aneg = rtl822x_config_aneg,
|
|
+ .probe = rtl822x_probe,
|
|
.read_status = rtl822x_read_status,
|
|
.suspend = genphy_suspend,
|
|
.resume = rtlgen_resume,
|
|
@@ -1050,6 +1074,7 @@ static struct phy_driver realtek_drvs[]
|
|
.name = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
|
|
.get_features = rtl822x_get_features,
|
|
.config_aneg = rtl822x_config_aneg,
|
|
+ .probe = rtl822x_probe,
|
|
.read_status = rtl822x_read_status,
|
|
.suspend = genphy_suspend,
|
|
.resume = rtlgen_resume,
|
|
@@ -1062,6 +1087,7 @@ static struct phy_driver realtek_drvs[]
|
|
.get_features = rtl822x_get_features,
|
|
.config_init = rtl8221b_config_init,
|
|
.config_aneg = rtl822x_config_aneg,
|
|
+ .probe = rtl822x_probe,
|
|
.read_status = rtl822x_read_status,
|
|
.suspend = genphy_suspend,
|
|
.resume = rtlgen_resume,
|
|
@@ -1074,6 +1100,7 @@ static struct phy_driver realtek_drvs[]
|
|
.get_features = rtl822x_get_features,
|
|
.config_aneg = rtl822x_config_aneg,
|
|
.config_init = rtl8221b_config_init,
|
|
+ .probe = rtl822x_probe,
|
|
.read_status = rtl822x_read_status,
|
|
.suspend = genphy_suspend,
|
|
.resume = rtlgen_resume,
|