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net: phy: motorcomm: Add 100m BGS voltage for RK631

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Signed-off-by: David Wu <david.wu@rock-chips.com>
Change-Id: I1a8fd4d428e0d3d6c8a0c6b3e2dd63c5d53590a5
This commit is contained in:
David Wu
2022-11-28 19:00:04 +08:00
committed by Tao Huang
parent 8a99863c84
commit 593076a706
1 changed files with 8 additions and 1 deletions
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9
drivers/net/phy/motorcomm.c
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@@ -563,7 +563,7 @@ static int yt8531S_config_init(struct phy_device *phydev)
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);
@@ -588,6 +588,13 @@ static int yt8531_config_init(struct phy_device *phydev)
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;
return ret;
}