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net: phy: meson-gxl: add interrupt support

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Enable interrupt support in meson-gxl PHY driver

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jerome Brunet 2017-12-18 10:44:45 +01:00 committed by David S. Miller
parent 30e43f1334
commit cf127ff20a
1 changed files with 36 additions and 1 deletions
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37
drivers/net/phy/meson-gxl.c
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@ -33,6 +33,14 @@
#define TSTCNTL_WRITE_ADDRESS GENMASK(4, 0)
#define TSTREAD1 21
#define TSTWRITE 23
#define INTSRC_FLAG 29
#define INTSRC_ANEG_PR BIT(1)
#define INTSRC_PARALLEL_FAULT BIT(2)
#define INTSRC_ANEG_LP_ACK BIT(3)
#define INTSRC_LINK_DOWN BIT(4)
#define INTSRC_REMOTE_FAULT BIT(5)
#define INTSRC_ANEG_COMPLETE BIT(6)
#define INTSRC_MASK 30
#define BANK_ANALOG_DSP 0
#define BANK_WOL 1
@ -193,16 +201,43 @@ static int meson_gxl_read_status(struct phy_device *phydev)
return genphy_read_status(phydev);
}
static int meson_gxl_ack_interrupt(struct phy_device *phydev)
{
int ret = phy_read(phydev, INTSRC_FLAG);
return ret < 0 ? ret : 0;
}
static int meson_gxl_config_intr(struct phy_device *phydev)
{
u16 val;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
val = INTSRC_ANEG_PR
| INTSRC_PARALLEL_FAULT
| INTSRC_ANEG_LP_ACK
| INTSRC_LINK_DOWN
| INTSRC_REMOTE_FAULT
| INTSRC_ANEG_COMPLETE;
} else {
val = 0;
}
return phy_write(phydev, INTSRC_MASK, val);
}
static struct phy_driver meson_gxl_phy[] = {
{
.phy_id = 0x01814400,
.phy_id_mask = 0xfffffff0,
.name = "Meson GXL Internal PHY",
.features = PHY_BASIC_FEATURES,
.flags = PHY_IS_INTERNAL,
.flags = PHY_IS_INTERNAL | PHY_HAS_INTERRUPT,
.config_init = meson_gxl_config_init,
.aneg_done = genphy_aneg_done,
.read_status = meson_gxl_read_status,
.ack_interrupt = meson_gxl_ack_interrupt,
.config_intr = meson_gxl_config_intr,
.suspend = genphy_suspend,
.resume = genphy_resume,
},