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net: phy: broadcom: add support for BCM54210E

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It's Broadcom PHY simply described as single-port
RGMII 10/100/1000BASE-T PHY. It requires disabling delay skew and GTXCLK
bits.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rafał Miłecki 2017-01-27 14:07:01 +01:00 committed by David S. Miller
parent a00ebc464d
commit 0fc9ae1076
2 changed files with 34 additions and 1 deletions
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34
drivers/net/phy/broadcom.c
View File

@ -30,6 +30,22 @@ MODULE_DESCRIPTION("Broadcom PHY driver");
MODULE_AUTHOR("Maciej W. Rozycki");
MODULE_LICENSE("GPL");
static int bcm54210e_config_init(struct phy_device *phydev)
{
int val;
val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
val |= MII_BCM54XX_AUXCTL_MISC_WREN;
bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, val);
val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL);
val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
return 0;
}
static int bcm54810_config(struct phy_device *phydev)
{
int rc, val;
@ -230,7 +246,11 @@ static int bcm54xx_config_init(struct phy_device *phydev)
(phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
bcm54xx_adjust_rxrefclk(phydev);
if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) {
err = bcm54210e_config_init(phydev);
if (err)
return err;
} else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
err = bcm54810_config(phydev);
if (err)
return err;
@ -541,6 +561,17 @@ static struct phy_driver broadcom_drivers[] = {
.read_status = genphy_read_status,
.ack_interrupt = bcm_phy_ack_intr,
.config_intr = bcm_phy_config_intr,
}, {
.phy_id = PHY_ID_BCM54210E,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM54210E",
.features = PHY_GBIT_FEATURES,
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
.config_init = bcm54xx_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = bcm_phy_ack_intr,
.config_intr = bcm_phy_config_intr,
}, {
.phy_id = PHY_ID_BCM5461,
.phy_id_mask = 0xfffffff0,
@ -680,6 +711,7 @@ module_phy_driver(broadcom_drivers);
static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
{ PHY_ID_BCM5411, 0xfffffff0 },
{ PHY_ID_BCM5421, 0xfffffff0 },
{ PHY_ID_BCM54210E, 0xfffffff0 },
{ PHY_ID_BCM5461, 0xfffffff0 },
{ PHY_ID_BCM54612E, 0xfffffff0 },
{ PHY_ID_BCM54616S, 0xfffffff0 },

1
include/linux/brcmphy.h
View File

@ -17,6 +17,7 @@
#define PHY_ID_BCM5482 0x0143bcb0
#define PHY_ID_BCM5411 0x00206070
#define PHY_ID_BCM5421 0x002060e0
#define PHY_ID_BCM54210E 0x600d84a0
#define PHY_ID_BCM5464 0x002060b0
#define PHY_ID_BCM5461 0x002060c0
#define PHY_ID_BCM54612E 0x03625e60