From e3e12f52b214121840b44c91de5b3e5af5d3eb84 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 03:04:41 +0000
Subject: [PATCH] rk3568 rt init
---
kernel/drivers/net/phy/motorcomm.c | 15 +++++++++++----
1 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/kernel/drivers/net/phy/motorcomm.c b/kernel/drivers/net/phy/motorcomm.c
index 2469a6a..5ec298a 100644
--- a/kernel/drivers/net/phy/motorcomm.c
+++ b/kernel/drivers/net/phy/motorcomm.c
@@ -573,7 +573,7 @@
static int yt8531_config_init(struct phy_device *phydev)
{
- int ret = 0;
+ int ret = 0, val;
#if (YTPHY8531A_XTAL_INIT)
ret = yt8531a_xtal_init(phydev);
@@ -591,10 +591,17 @@
return ret;
/* RXC, PHY_CLK_OUT and RXData Drive strength:
- * Drive strength of RXC = 4, PHY_CLK_OUT = 3, RXD0 = 4 (default)
- * If the io voltage is 3.3v, PHY_CLK_OUT = 2, set 0xa010 = 0x9acf
+ * Drive strength of RXC = 6, PHY_CLK_OUT = 3, RXD0 = 4 (default 1.8v)
+ * If the io voltage is 3.3v, PHY_CLK_OUT = 2, set 0xa010 = 0xdacf
*/
- ret = ytphy_write_ext(phydev, 0xa010, 0x9bcf);
+ ret = ytphy_write_ext(phydev, 0xa010, 0xdbcf);
+ if (ret < 0)
+ return ret;
+
+ /* Change 100M default BGS voltage from 0x294c to 0x274c */
+ val = ytphy_read_ext(phydev, 0x57);
+ val = (val & ~(0xf << 8)) | (7 << 8);
+ ret = ytphy_write_ext(phydev, 0x57, val);
if (ret < 0)
return ret;
--
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