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Date: Wed, 22 Oct 2014 20:26:44 +0200
From: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
To: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Antoine Ténart
<antoine.tenart@...e-electrons.com>,
Florian Fainelli <f.fainelli@...il.com>,
linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/9] phy: marvell: Add support for 88E3016 FastEthernet PHY
Marvell 88E3016 is a FastEthernet PHY that also can be found in Marvell
Berlin SoCs as integrated PHY.
Tested-by: Antoine Ténart <antoine.tenart@...e-electrons.com>
Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>
---
Cc: "David S. Miller" <davem@...emloft.net>
Cc: "Antoine Ténart" <antoine.tenart@...e-electrons.com>
Cc: Florian Fainelli <f.fainelli@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
drivers/net/phy/marvell.c | 46 +++++++++++++++++++++++++++++++++++++++++++++
include/linux/marvell_phy.h | 1 +
2 files changed, 47 insertions(+)
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index bd37e45c89c0..d2b2f2f795d5 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -118,6 +118,9 @@
#define MII_M1116R_CONTROL_REG_MAC 21
+#define MII_88E3016_PHY_SPEC_CTRL 0x10
+#define MII_88E3016_DISABLE_SCRAMBLER 0x0200
+#define MII_88E3016_AUTO_MDIX_CROSSOVER 0x0030
MODULE_DESCRIPTION("Marvell PHY driver");
MODULE_AUTHOR("Andy Fleming");
@@ -434,6 +437,25 @@ static int m88e1116r_config_init(struct phy_device *phydev)
return 0;
}
+static int m88e3016_config_init(struct phy_device *phydev)
+{
+ int reg;
+
+ /* Enable Scrambler and Auto-Crossover */
+ reg = phy_read(phydev, MII_88E3016_PHY_SPEC_CTRL);
+ if (reg < 0)
+ return reg;
+
+ reg &= ~MII_88E3016_DISABLE_SCRAMBLER;
+ reg |= MII_88E3016_AUTO_MDIX_CROSSOVER;
+
+ reg = phy_write(phydev, MII_88E3016_PHY_SPEC_CTRL, reg);
+ if (reg < 0)
+ return reg;
+
+ return 0;
+}
+
static int m88e1111_config_init(struct phy_device *phydev)
{
int err;
@@ -770,6 +792,12 @@ static int marvell_read_status(struct phy_device *phydev)
return 0;
}
+static int marvell_aneg_done(struct phy_device *phydev)
+{
+ int retval = phy_read(phydev, MII_M1011_PHY_STATUS);
+ return (retval < 0) ? retval : (retval & MII_M1011_PHY_STATUS_RESOLVED);
+}
+
static int m88e1121_did_interrupt(struct phy_device *phydev)
{
int imask;
@@ -1050,6 +1078,23 @@ static struct phy_driver marvell_drivers[] = {
.suspend = &genphy_suspend,
.driver = { .owner = THIS_MODULE },
},
+ {
+ .phy_id = MARVELL_PHY_ID_88E3016,
+ .phy_id_mask = MARVELL_PHY_ID_MASK,
+ .name = "Marvell 88E3016",
+ .features = PHY_BASIC_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
+ .config_aneg = &genphy_config_aneg,
+ .config_init = &m88e3016_config_init,
+ .aneg_done = &marvell_aneg_done,
+ .read_status = &marvell_read_status,
+ .ack_interrupt = &marvell_ack_interrupt,
+ .config_intr = &marvell_config_intr,
+ .did_interrupt = &m88e1121_did_interrupt,
+ .resume = &genphy_resume,
+ .suspend = &genphy_suspend,
+ .driver = { .owner = THIS_MODULE },
+ },
};
static int __init marvell_init(void)
@@ -1079,6 +1124,7 @@ static struct mdio_device_id __maybe_unused marvell_tbl[] = {
{ MARVELL_PHY_ID_88E1318S, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1116R, MARVELL_PHY_ID_MASK },
{ MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK },
+ { MARVELL_PHY_ID_88E3016, MARVELL_PHY_ID_MASK },
{ }
};
diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h
index 8e9a029e093d..e6982ac3200d 100644
--- a/include/linux/marvell_phy.h
+++ b/include/linux/marvell_phy.h
@@ -16,6 +16,7 @@
#define MARVELL_PHY_ID_88E1318S 0x01410e90
#define MARVELL_PHY_ID_88E1116R 0x01410e40
#define MARVELL_PHY_ID_88E1510 0x01410dd0
+#define MARVELL_PHY_ID_88E3016 0x01410e60
/* struct phy_device dev_flags definitions */
#define MARVELL_PHY_M1145_FLAGS_RESISTANCE 0x00000001
--
2.1.1
--
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