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From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 30 Nov 2016 11:31:03 +0100
Subject: [PATCH] net: phy: at803x: add support for AT8032

Like AT8030, this PHY needs the GPIO reset workaround

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -62,6 +62,7 @@
 
 #define ATH8030_PHY_ID 0x004dd076
 #define ATH8031_PHY_ID 0x004dd074
+#define ATH8032_PHY_ID 0x004dd023
 #define ATH8035_PHY_ID 0x004dd072
 
 MODULE_DESCRIPTION("Atheros 803x PHY driver");
@@ -259,7 +260,8 @@ static int at803x_probe(struct phy_devic
 	if (!priv)
 		return -ENOMEM;
 
-	if (phydev->drv->phy_id != ATH8030_PHY_ID)
+	if (phydev->drv->phy_id != ATH8030_PHY_ID &&
+	    phydev->drv->phy_id != ATH8032_PHY_ID)
 		goto does_not_require_reset_workaround;
 
 	gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
@@ -335,7 +337,7 @@ static void at803x_link_change_notify(st
 	struct at803x_priv *priv = phydev->priv;
 
 	/*
-	 * Conduct a hardware reset for AT8030 every time a link loss is
+	 * Conduct a hardware reset for AT8030/2 every time a link loss is
 	 * signalled. This is necessary to circumvent a hardware bug that
 	 * occurs when the cable is unplugged while TX packets are pending
 	 * in the FIFO. In such cases, the FIFO enters an error mode it
@@ -447,6 +449,24 @@ static struct phy_driver at803x_driver[]
 	.aneg_done		= at803x_aneg_done,
 	.ack_interrupt		= &at803x_ack_interrupt,
 	.config_intr		= &at803x_config_intr,
+}, {
+	/* ATHEROS 8032 */
+	.phy_id			= ATH8032_PHY_ID,
+	.name			= "Atheros 8032 ethernet",
+	.phy_id_mask		= 0xffffffef,
+	.probe			= at803x_probe,
+	.config_init		= at803x_config_init,
+	.link_change_notify	= at803x_link_change_notify,
+	.set_wol		= at803x_set_wol,
+	.get_wol		= at803x_get_wol,
+	.suspend		= at803x_suspend,
+	.resume			= at803x_resume,
+	.features		= PHY_BASIC_FEATURES,
+	.flags			= PHY_HAS_INTERRUPT,
+	.config_aneg		= genphy_config_aneg,
+	.read_status		= genphy_read_status,
+	.ack_interrupt		= at803x_ack_interrupt,
+	.config_intr		= at803x_config_intr,
 } };
 
 module_phy_driver(at803x_driver);
@@ -454,6 +474,7 @@ module_phy_driver(at803x_driver);
 static struct mdio_device_id __maybe_unused atheros_tbl[] = {
 	{ ATH8030_PHY_ID, 0xffffffef },
 	{ ATH8031_PHY_ID, 0xffffffef },
+	{ ATH8032_PHY_ID, 0xffffffef },
 	{ ATH8035_PHY_ID, 0xffffffef },
 	{ }
 };