Commit 68ff5e14 authored by Oleksij Rempel's avatar Oleksij Rempel Committed by David S. Miller
Browse files

net: phy: tja11xx: add SQI support 



This patch implements reading of the Signal Quality Index for better
cable/link troubleshooting.

Signed-off-by: default avatarOleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 80660219

drivers/net/phy/nxp-tja11xx.c

+26 −0
Original line number Diff line number Diff line
@@ -53,6 +53,8 @@ 


#define MII_COMMSTAT			23

#define MII_COMMSTAT_LINK_UP		BIT(15)

#define MII_COMMSTAT_SQI_STATE		GENMASK(7, 5)

#define MII_COMMSTAT_SQI_MAX		7



#define MII_GENSTAT			24

#define MII_GENSTAT_PLL_LOCKED		BIT(14)
@@ -329,6 +331,22 @@ static int tja11xx_read_status(struct phy_device *phydev) 
	return 0;

}



static int tja11xx_get_sqi(struct phy_device *phydev)

{

	int ret;



	ret = phy_read(phydev, MII_COMMSTAT);

	if (ret < 0)

		return ret;



	return FIELD_GET(MII_COMMSTAT_SQI_STATE, ret);

}



static int tja11xx_get_sqi_max(struct phy_device *phydev)

{

	return MII_COMMSTAT_SQI_MAX;

}



static int tja11xx_get_sset_count(struct phy_device *phydev)

{

	return ARRAY_SIZE(tja11xx_hw_stats);
@@ -683,6 +701,8 @@ static struct phy_driver tja11xx_driver[] = { 
		.config_aneg	= tja11xx_config_aneg,

		.config_init	= tja11xx_config_init,

		.read_status	= tja11xx_read_status,

		.get_sqi	= tja11xx_get_sqi,

		.get_sqi_max	= tja11xx_get_sqi_max,

		.suspend	= genphy_suspend,

		.resume		= genphy_resume,

		.set_loopback   = genphy_loopback,
@@ -699,6 +719,8 @@ static struct phy_driver tja11xx_driver[] = { 
		.config_aneg	= tja11xx_config_aneg,

		.config_init	= tja11xx_config_init,

		.read_status	= tja11xx_read_status,

		.get_sqi	= tja11xx_get_sqi,

		.get_sqi_max	= tja11xx_get_sqi_max,

		.suspend	= genphy_suspend,

		.resume		= genphy_resume,

		.set_loopback   = genphy_loopback,
@@ -715,6 +737,8 @@ static struct phy_driver tja11xx_driver[] = { 
		.config_aneg	= tja11xx_config_aneg,

		.config_init	= tja11xx_config_init,

		.read_status	= tja11xx_read_status,

		.get_sqi	= tja11xx_get_sqi,

		.get_sqi_max	= tja11xx_get_sqi_max,

		.match_phy_device = tja1102_p0_match_phy_device,

		.suspend	= genphy_suspend,

		.resume		= genphy_resume,
@@ -736,6 +760,8 @@ static struct phy_driver tja11xx_driver[] = { 
		.config_aneg	= tja11xx_config_aneg,

		.config_init	= tja11xx_config_init,

		.read_status	= tja11xx_read_status,

		.get_sqi	= tja11xx_get_sqi,

		.get_sqi_max	= tja11xx_get_sqi_max,

		.match_phy_device = tja1102_p1_match_phy_device,

		.suspend	= genphy_suspend,

		.resume		= genphy_resume,

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