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authorRafał Miłecki <rafal@milecki.pl>2017-01-27 16:07:01 +0300
committerDavid S. Miller <davem@davemloft.net>2017-01-27 19:29:18 +0300
commit0fc9ae107669760c2a8658cb5b5876dbe525e08d (patch)
tree0b246a31eb6096899a6bf732b9d8bda1821d9257 /drivers/net/phy/broadcom.c
parenta00ebc464d210dbb293212a7552e47d8ed645d66 (diff)
downloadlinux-0fc9ae107669760c2a8658cb5b5876dbe525e08d.tar.xz
net: phy: broadcom: add support for BCM54210E
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>
Diffstat (limited to 'drivers/net/phy/broadcom.c')
-rw-r--r--drivers/net/phy/broadcom.c34
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 97d1c057c0a1..794b9ec81ba5 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -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;
@@ -542,6 +562,17 @@ static struct phy_driver broadcom_drivers[] = {
.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,
.name = "Broadcom BCM5461",
@@ -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 },