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net: phy: micrel: Center FLP timing at 16ms 

Based on kernel commit 6270e1ae804a ("net/phy: micrel: Center FLP
timing at 16ms") by Jaeden Amero <jaeden.amero@ni.com>:

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Philipp Zabel 2016-02-02 12:17:33 +01:00 committed by Sascha Hauer
parent 9fc7b70a28
commit da89ee8f2e
1 changed files with 16 additions and 1 deletions
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17
drivers/net/phy/micrel.c
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@ -149,6 +149,11 @@ static int ksz9021_config_init(struct phy_device *phydev)
#define KSZ9031_PS_TO_REG 60
/* Extended registers */
/* MMD Address 0x0 */
#define MII_KSZ9031RN_FLP_BURST_TX_LO 3
#define MII_KSZ9031RN_FLP_BURST_TX_HI 4
/* MMD Address 0x2 */
#define MII_KSZ9031RN_CONTROL_PAD_SKEW 4
#define MII_KSZ9031RN_RX_DATA_PAD_SKEW 5
#define MII_KSZ9031RN_TX_DATA_PAD_SKEW 6
@ -192,6 +197,15 @@ static int ksz9031_of_load_skew_values(struct phy_device *phydev,
return 0;
}
static int ksz9031_center_flp_timing(struct phy_device *phydev)
{
/* Center KSZ9031RNX FLP timing at 16ms. */
phy_write_mmd_indirect(phydev, MII_KSZ9031RN_FLP_BURST_TX_HI, 0, 0x0006);
phy_write_mmd_indirect(phydev, MII_KSZ9031RN_FLP_BURST_TX_LO, 0, 0x1a80);
return genphy_restart_aneg(phydev);
}
static int ksz9031_config_init(struct phy_device *phydev)
{
const struct device_d *dev = &phydev->dev;
@ -227,7 +241,8 @@ static int ksz9031_config_init(struct phy_device *phydev)
MII_KSZ9031RN_TX_DATA_PAD_SKEW, 4,
tx_data_skews, 4);
}
return 0;
return ksz9031_center_flp_timing(phydev);
}
#define KSZ8873MLL_GLOBAL_CONTROL_4 0x06