net: phy: adin: add support for interrupts
This change hooks link-status-change interrupts to phylib. Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -14,11 +14,43 @@
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#define PHY_ID_ADIN1200 0x0283bc20
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#define PHY_ID_ADIN1300 0x0283bc30
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#define ADIN1300_INT_MASK_REG 0x0018
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#define ADIN1300_INT_MDIO_SYNC_EN BIT(9)
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#define ADIN1300_INT_ANEG_STAT_CHNG_EN BIT(8)
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#define ADIN1300_INT_ANEG_PAGE_RX_EN BIT(6)
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#define ADIN1300_INT_IDLE_ERR_CNT_EN BIT(5)
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#define ADIN1300_INT_MAC_FIFO_OU_EN BIT(4)
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#define ADIN1300_INT_RX_STAT_CHNG_EN BIT(3)
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#define ADIN1300_INT_LINK_STAT_CHNG_EN BIT(2)
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#define ADIN1300_INT_SPEED_CHNG_EN BIT(1)
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#define ADIN1300_INT_HW_IRQ_EN BIT(0)
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#define ADIN1300_INT_MASK_EN \
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(ADIN1300_INT_LINK_STAT_CHNG_EN | ADIN1300_INT_HW_IRQ_EN)
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#define ADIN1300_INT_STATUS_REG 0x0019
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static int adin_config_init(struct phy_device *phydev)
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{
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return genphy_config_init(phydev);
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}
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static int adin_phy_ack_intr(struct phy_device *phydev)
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{
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/* Clear pending interrupts */
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int rc = phy_read(phydev, ADIN1300_INT_STATUS_REG);
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return rc < 0 ? rc : 0;
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}
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static int adin_phy_config_intr(struct phy_device *phydev)
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{
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if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
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return phy_set_bits(phydev, ADIN1300_INT_MASK_REG,
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ADIN1300_INT_MASK_EN);
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return phy_clear_bits(phydev, ADIN1300_INT_MASK_REG,
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ADIN1300_INT_MASK_EN);
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}
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static struct phy_driver adin_driver[] = {
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{
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PHY_ID_MATCH_MODEL(PHY_ID_ADIN1200),
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@ -26,6 +58,8 @@ static struct phy_driver adin_driver[] = {
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.config_init = adin_config_init,
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.config_aneg = genphy_config_aneg,
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.read_status = genphy_read_status,
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.ack_interrupt = adin_phy_ack_intr,
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.config_intr = adin_phy_config_intr,
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.resume = genphy_resume,
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.suspend = genphy_suspend,
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},
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@ -35,6 +69,8 @@ static struct phy_driver adin_driver[] = {
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.config_init = adin_config_init,
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.config_aneg = genphy_config_aneg,
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.read_status = genphy_read_status,
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.ack_interrupt = adin_phy_ack_intr,
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.config_intr = adin_phy_config_intr,
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.resume = genphy_resume,
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.suspend = genphy_suspend,
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},
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