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Message-Id: <1477510561-17035-2-git-send-email-jon.mason@broadcom.com>
Date: Wed, 26 Oct 2016 15:35:57 -0400
From: Jon Mason <jon.mason@...adcom.com>
To: David Miller <davem@...emloft.net>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Florian Fainelli <f.fainelli@...il.com>
Cc: rafal@...ecki.pl, bcm-kernel-feedback-list@...adcom.com,
netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Vikas Soni <vsoni@...adcom.com>
Subject: [PATCH 1/5] net: phy: broadcom: Add BCM54810 phy entry
From: Vikas Soni <vsoni@...adcom.com>
Add BCM54810 phy entry
Signed-off-by: Vikas Soni <vsoni@...adcom.com>
Signed-off-by: Jon Mason <jon.mason@...adcom.com>
---
drivers/net/phy/Kconfig | 2 +-
drivers/net/phy/broadcom.c | 65 ++++++++++++++++++++++++++++++++++++++++++++++
include/linux/brcmphy.h | 7 +++++
3 files changed, 73 insertions(+), 1 deletion(-)
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 45f68ea..31967ca 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -217,7 +217,7 @@ config BROADCOM_PHY
select BCM_NET_PHYLIB
---help---
Currently supports the BCM5411, BCM5421, BCM5461, BCM54616S, BCM5464,
- BCM5481 and BCM5482 PHYs.
+ BCM5481, BCM54810 and BCM5482 PHYs.
config CICADA_PHY
tristate "Cicada PHYs"
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index 870327e..cdce761 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -35,6 +35,35 @@ static int bcm54xx_auxctl_write(struct phy_device *phydev, u16 regnum, u16 val)
return phy_write(phydev, MII_BCM54XX_AUX_CTL, regnum | val);
}
+static int bcm54810_config(struct phy_device *phydev)
+{
+ int rc;
+
+ /* Disable BroadR-Reach */
+ rc = bcm_phy_write_exp(phydev, BCM54810_EXP_BROADREACH_LRE_MISC_CTL, 0);
+ if (rc < 0)
+ return rc;
+
+ /* SKEW DISABLE */
+ rc = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
+ 0xF0E0);
+ if (rc < 0)
+ return rc;
+
+ /* DELAY DISABLE */
+ rc = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
+ 0x7000);
+ if (rc < 0)
+ return rc;
+
+ /* DELAY DISABLE */
+ rc = bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, 0);
+ if (rc < 0)
+ return rc;
+
+ return 0;
+}
+
/* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
static int bcm50610_a0_workaround(struct phy_device *phydev)
{
@@ -207,6 +236,20 @@ 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) {
+ err = bcm54810_config(phydev);
+ if (err)
+ return err;
+
+ reg = phy_read(phydev, MII_BMCR);
+ if (reg < 0)
+ return reg;
+
+ err = phy_write(phydev, MII_BMCR, reg & ~BMCR_PDOWN);
+ if (err)
+ return err;
+ }
+
bcm54xx_phydsp_config(phydev);
return 0;
@@ -334,6 +377,15 @@ static int bcm5481_config_aneg(struct phy_device *phydev)
phy_write(phydev, 0x18, reg);
}
+ if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810 &&
+ phydev->dev_flags & PHY_BRCM_EXP_LANE_SWAP) {
+ /* LANE SWAP */
+ ret = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_SEL_ER + 0x9,
+ 0x11B);
+ if (ret < 0)
+ return ret;
+ }
+
return ret;
}
@@ -521,6 +573,18 @@ static struct phy_driver broadcom_drivers[] = {
.ack_interrupt = bcm_phy_ack_intr,
.config_intr = bcm_phy_config_intr,
}, {
+ .phy_id = PHY_ID_BCM54810,
+ .phy_id_mask = 0xfffffff0,
+ .name = "Broadcom BCM54810",
+ .features = PHY_GBIT_FEATURES |
+ SUPPORTED_Pause | SUPPORTED_Asym_Pause,
+ .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
+ .config_init = bcm54xx_config_init,
+ .config_aneg = bcm5481_config_aneg,
+ .read_status = genphy_read_status,
+ .ack_interrupt = bcm_phy_ack_intr,
+ .config_intr = bcm_phy_config_intr,
+}, {
.phy_id = PHY_ID_BCM5482,
.phy_id_mask = 0xfffffff0,
.name = "Broadcom BCM5482",
@@ -603,6 +667,7 @@ static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
{ PHY_ID_BCM54616S, 0xfffffff0 },
{ PHY_ID_BCM5464, 0xfffffff0 },
{ PHY_ID_BCM5481, 0xfffffff0 },
+ { PHY_ID_BCM54810, 0xfffffff0 },
{ PHY_ID_BCM5482, 0xfffffff0 },
{ PHY_ID_BCM50610, 0xfffffff0 },
{ PHY_ID_BCM50610M, 0xfffffff0 },
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h
index e7a3d9d..40e6ead 100644
--- a/include/linux/brcmphy.h
+++ b/include/linux/brcmphy.h
@@ -13,6 +13,7 @@
#define PHY_ID_BCM5241 0x0143bc30
#define PHY_ID_BCMAC131 0x0143bc70
#define PHY_ID_BCM5481 0x0143bca0
+#define PHY_ID_BCM54810 0x03625d00
#define PHY_ID_BCM5482 0x0143bcb0
#define PHY_ID_BCM5411 0x00206070
#define PHY_ID_BCM5421 0x002060e0
@@ -55,6 +56,8 @@
#define PHY_BRCM_EXT_IBND_TX_ENABLE 0x00002000
#define PHY_BRCM_CLEAR_RGMII_MODE 0x00004000
#define PHY_BRCM_DIS_TXCRXC_NOENRGY 0x00008000
+#define PHY_BRCM_EXP_LANE_SWAP 0x00010000
+
/* Broadcom BCM7xxx specific workarounds */
#define PHY_BRCM_7XXX_REV(x) (((x) >> 8) & 0xff)
#define PHY_BRCM_7XXX_PATCH(x) ((x) & 0xff)
@@ -187,6 +190,10 @@
#define BCM5482_SSD_SGMII_SLAVE_EN 0x0002 /* Slave mode enable */
#define BCM5482_SSD_SGMII_SLAVE_AD 0x0001 /* Slave auto-detection */
+/* BCM54810 Registers */
+#define BCM54810_EXP_BROADREACH_LRE_MISC_CTL (MII_BCM54XX_EXP_SEL_ER + 0x90)
+#define BCM54810_SHD_CLK_CTL 0x3
+
/*****************************************************************************/
/* Fast Ethernet Transceiver definitions. */
--
2.7.4
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