Commit fada2ce0 authored by David Bauer's avatar David Bauer Committed by Jakub Kicinski
Browse files

net: phy: at803x: add QCA9561 support 



Add support for the embedded fast-ethernet PHY found on the QCA9561
WiSoC platform. It supports the usual Atheros PHY featureset including
the cable tester.

Tested on a Xiaomi MiRouter 4Q (QCA9561)

Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid Bauer <mail@david-bauer.net>
Link: https://lore.kernel.org/r/20211005225401.10653-1-mail@david-bauer.net


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent d0f1c248

drivers/net/phy/at803x.c

+21 −2
Original line number Diff line number Diff line
@@ -153,6 +153,7 @@ 
#define QCA8327_A_PHY_ID			0x004dd033

#define QCA8327_B_PHY_ID			0x004dd034

#define QCA8337_PHY_ID				0x004dd036

#define QCA9561_PHY_ID				0x004dd042

#define QCA8K_PHY_ID_MASK			0xffffffff



#define QCA8K_DEVFLAGS_REVISION_MASK		GENMASK(2, 0)
@@ -1237,7 +1238,8 @@ static int at803x_cable_test_get_status(struct phy_device *phydev, 
	int pair, ret;



	if (phydev->phy_id == ATH9331_PHY_ID ||

	    phydev->phy_id == ATH8032_PHY_ID)

	    phydev->phy_id == ATH8032_PHY_ID ||

	    phydev->phy_id == QCA9561_PHY_ID)

		pair_mask = 0x3;

	else

		pair_mask = 0xf;
@@ -1277,7 +1279,8 @@ static int at803x_cable_test_start(struct phy_device *phydev) 
	phy_write(phydev, MII_BMCR, BMCR_ANENABLE);

	phy_write(phydev, MII_ADVERTISE, ADVERTISE_CSMA);

	if (phydev->phy_id != ATH9331_PHY_ID &&

	    phydev->phy_id != ATH8032_PHY_ID)

	    phydev->phy_id != ATH8032_PHY_ID &&

	    phydev->phy_id != QCA9561_PHY_ID)

		phy_write(phydev, MII_CTRL1000, 0);



	/* we do all the (time consuming) work later */
@@ -1408,6 +1411,21 @@ static struct phy_driver at803x_driver[] = { 
	.read_status		= at803x_read_status,

	.soft_reset		= genphy_soft_reset,

	.config_aneg		= at803x_config_aneg,

}, {

	/* Qualcomm Atheros QCA9561 */

	PHY_ID_MATCH_EXACT(QCA9561_PHY_ID),

	.name			= "Qualcomm Atheros QCA9561 built-in PHY",

	.suspend		= at803x_suspend,

	.resume			= at803x_resume,

	.flags			= PHY_POLL_CABLE_TEST,

	/* PHY_BASIC_FEATURES */

	.config_intr		= &at803x_config_intr,

	.handle_interrupt	= at803x_handle_interrupt,

	.cable_test_start	= at803x_cable_test_start,

	.cable_test_get_status	= at803x_cable_test_get_status,

	.read_status		= at803x_read_status,

	.soft_reset		= genphy_soft_reset,

	.config_aneg		= at803x_config_aneg,

}, {

	/* QCA8337 */

	.phy_id			= QCA8337_PHY_ID,
@@ -1466,6 +1484,7 @@ static struct mdio_device_id __maybe_unused atheros_tbl[] = { 
	{ PHY_ID_MATCH_EXACT(QCA8337_PHY_ID) },

	{ PHY_ID_MATCH_EXACT(QCA8327_A_PHY_ID) },

	{ PHY_ID_MATCH_EXACT(QCA8327_B_PHY_ID) },

	{ PHY_ID_MATCH_EXACT(QCA9561_PHY_ID) },

	{ }

};