diff options
Diffstat (limited to 'target/linux/generic/pending-5.15/729-net-phy-realtek-introduce-rtl822x_probe.patch')
| -rw-r--r-- | target/linux/generic/pending-5.15/729-net-phy-realtek-introduce-rtl822x_probe.patch | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.15/729-net-phy-realtek-introduce-rtl822x_probe.patch b/target/linux/generic/pending-5.15/729-net-phy-realtek-introduce-rtl822x_probe.patch new file mode 100644 index 0000000000..ae4a7dfa60 --- /dev/null +++ b/target/linux/generic/pending-5.15/729-net-phy-realtek-introduce-rtl822x_probe.patch @@ -0,0 +1,100 @@ +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) + +@@ -736,6 +741,25 @@ 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); +@@ -1009,6 +1030,7 @@ static struct phy_driver realtek_drvs[] + .match_phy_device = rtl8226_match_phy_device, + .get_features = rtl822x_get_features, + .config_aneg = rtl822x_config_aneg, ++ .probe = rtl822x_probe, + .read_status = rtl822x_read_status, + .suspend = genphy_suspend, + .resume = rtlgen_resume, +@@ -1022,6 +1044,7 @@ static struct phy_driver realtek_drvs[] + .name = "RTL8226B_RTL8221B 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, +@@ -1035,6 +1058,7 @@ 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, +@@ -1046,6 +1070,7 @@ 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, +@@ -1058,6 +1083,7 @@ 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, +@@ -1070,6 +1096,7 @@ 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, |