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Commit 0fc9ae10 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by David S. Miller
Browse files

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: default avatarRafał Miłecki <rafal@milecki.pl>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a00ebc46

drivers/net/phy/broadcom.c

+33 −1
Original line number Diff line number Diff line
@@ -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 },

include/linux/brcmphy.h

+1 −0
Original line number Diff line number Diff line
@@ -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