openwrt/target/linux/generic/pending-6.6/720-04-net-phy-realtek-introduce-rtl822x_probe.patch
Álvaro Fernández Rojas 56b19f0d50 generic: 6.6: backport upstream Realtek PHY patches
8989bad54113 net: phy: realtek: add RTL8125D-internal PHY
f87a17ed3b51 net: phy: realtek: merge the drivers for internal NBase-T PHY's

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit fedb1f86b50986a962c899d7406566d991e030ee)
2025-01-04 09:12:53 +01:00

101 lines
3.5 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
@@ -80,6 +80,10 @@
#define RTL822X_VND2_GANLPAR 0xa414
+#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)
@@ -1189,6 +1193,25 @@ static int rtl8251b_c45_match_phy_device
return rtlgen_is_c45_match(phydev, RTL_8251B, true);
}
+static int rtl822x_probe(struct phy_device *phydev)
+{
+ struct device *dev = &phydev->mdio.dev;
+ int val;
+
+ val = phy_read_mmd(phydev, MDIO_MMD_VEND1, 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, MDIO_MMD_VEND1, RTL8221B_PHYCR1, val);
+
+ return 0;
+}
+
static int rtlgen_resume(struct phy_device *phydev)
{
int ret = genphy_resume(phydev);
@@ -1460,6 +1483,7 @@ static struct phy_driver realtek_drvs[]
}, {
PHY_ID_MATCH_EXACT(0x001cc838),
.name = "RTL8226-CG 2.5Gbps PHY",
+ .probe = rtl822x_probe,
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
@@ -1471,6 +1495,7 @@ static struct phy_driver realtek_drvs[]
}, {
PHY_ID_MATCH_EXACT(0x001cc848),
.name = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
+ .probe = rtl822x_probe,
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
@@ -1484,6 +1509,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vb_cg_c22_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C22)",
+ .probe = rtl822x_probe,
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
@@ -1497,6 +1523,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vb_cg_c45_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
+ .probe = rtl822x_probe,
.soft_reset = genphy_soft_reset,
.config_init = rtl822xb_config_init,
.get_rate_matching = rtl822xb_get_rate_matching,
@@ -1508,6 +1535,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vn_cg_c22_match_phy_device,
.name = "RTL8221B-VM-CG 2.5Gbps PHY (C22)",
+ .probe = rtl822x_probe,
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
@@ -1521,6 +1549,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vn_cg_c45_match_phy_device,
.name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",
+ .probe = rtl822x_probe,
.soft_reset = genphy_soft_reset,
.config_init = rtl822xb_config_init,
.get_rate_matching = rtl822xb_get_rate_matching,