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authorShaohui Xie <Shaohui.Xie@freescale.com>2015-08-21 15:29:29 +0800
committerDavid S. Miller <davem@davemloft.net>2015-08-23 23:14:14 -0700
commit54cf7be992fe86571a3f07b96446cd5334b014ab (patch)
tree178c7e8ec240dc34696619d9569f11d04db025f1
parentMerge tag 'nfc-next-4.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next (diff)
downloadlinux-dev-54cf7be992fe86571a3f07b96446cd5334b014ab.tar.xz
linux-dev-54cf7be992fe86571a3f07b96446cd5334b014ab.zip
net: phy: add interrupt support for aquantia phy
By implementing config_intr & ack_interrupt, now the phy can support link connect/disconnect interrupt. Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/phy/aquantia.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/net/phy/aquantia.c b/drivers/net/phy/aquantia.c
index 73d347d7cb04..d6111affbcb6 100644
--- a/drivers/net/phy/aquantia.c
+++ b/drivers/net/phy/aquantia.c
@@ -44,6 +44,43 @@ static int aquantia_aneg_done(struct phy_device *phydev)
return (reg < 0) ? reg : (reg & BMSR_ANEGCOMPLETE);
}
+static int aquantia_config_intr(struct phy_device *phydev)
+{
+ int err;
+
+ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
+ err = phy_write_mmd(phydev, MDIO_MMD_AN, 0xd401, 1);
+ if (err < 0)
+ return err;
+
+ err = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xff00, 1);
+ if (err < 0)
+ return err;
+
+ err = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xff01, 0x1001);
+ } else {
+ err = phy_write_mmd(phydev, MDIO_MMD_AN, 0xd401, 0);
+ if (err < 0)
+ return err;
+
+ err = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xff00, 0);
+ if (err < 0)
+ return err;
+
+ err = phy_write_mmd(phydev, MDIO_MMD_VEND1, 0xff01, 0);
+ }
+
+ return err;
+}
+
+static int aquantia_ack_interrupt(struct phy_device *phydev)
+{
+ int reg;
+
+ reg = phy_read_mmd(phydev, MDIO_MMD_AN, 0xcc01);
+ return (reg < 0) ? reg : 0;
+}
+
static int aquantia_read_status(struct phy_device *phydev)
{
int reg;
@@ -85,8 +122,11 @@ static struct phy_driver aquantia_driver[] = {
.phy_id_mask = 0xfffffff0,
.name = "Aquantia AQ1202",
.features = PHY_AQUANTIA_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.aneg_done = aquantia_aneg_done,
.config_aneg = aquantia_config_aneg,
+ .config_intr = aquantia_config_intr,
+ .ack_interrupt = aquantia_ack_interrupt,
.read_status = aquantia_read_status,
.driver = { .owner = THIS_MODULE,},
},
@@ -95,8 +135,11 @@ static struct phy_driver aquantia_driver[] = {
.phy_id_mask = 0xfffffff0,
.name = "Aquantia AQ2104",
.features = PHY_AQUANTIA_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.aneg_done = aquantia_aneg_done,
.config_aneg = aquantia_config_aneg,
+ .config_intr = aquantia_config_intr,
+ .ack_interrupt = aquantia_ack_interrupt,
.read_status = aquantia_read_status,
.driver = { .owner = THIS_MODULE,},
},
@@ -105,8 +148,11 @@ static struct phy_driver aquantia_driver[] = {
.phy_id_mask = 0xfffffff0,
.name = "Aquantia AQR105",
.features = PHY_AQUANTIA_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.aneg_done = aquantia_aneg_done,
.config_aneg = aquantia_config_aneg,
+ .config_intr = aquantia_config_intr,
+ .ack_interrupt = aquantia_ack_interrupt,
.read_status = aquantia_read_status,
.driver = { .owner = THIS_MODULE,},
},
@@ -115,8 +161,11 @@ static struct phy_driver aquantia_driver[] = {
.phy_id_mask = 0xfffffff0,
.name = "Aquantia AQR405",
.features = PHY_AQUANTIA_FEATURES,
+ .flags = PHY_HAS_INTERRUPT,
.aneg_done = aquantia_aneg_done,
.config_aneg = aquantia_config_aneg,
+ .config_intr = aquantia_config_intr,
+ .ack_interrupt = aquantia_ack_interrupt,
.read_status = aquantia_read_status,
.driver = { .owner = THIS_MODULE,},
},