Commit a06a868a authored by Andrei Botila's avatar Andrei Botila Committed by Jakub Kicinski
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net: phy: nxp-c45-tja11xx: add match_phy_device to TJA1103/TJA1104



Add .match_phy_device for the existing TJAs to differentiate between
TJA1103 and TJA1104.
TJA1103 and TJA1104 share the same PHY_ID but TJA1104 has MACsec
capabilities while TJA1103 doesn't.

Signed-off-by: default avatarAndrei Botila <andrei.botila@oss.nxp.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250228154320.2979000-2-andrei.botila@oss.nxp.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 39e912a9
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+52 −2
Original line number Diff line number Diff line
// SPDX-License-Identifier: GPL-2.0
/* NXP C45 PHY driver
 * Copyright 2021-2023 NXP
 * Copyright 2021-2025 NXP
 * Author: Radu Pirea <radu-nicolae.pirea@oss.nxp.com>
 */

@@ -19,6 +19,8 @@

#include "nxp-c45-tja11xx.h"

#define PHY_ID_MASK			GENMASK(31, 4)
/* Same id: TJA1103, TJA1104 */
#define PHY_ID_TJA_1103			0x001BB010
#define PHY_ID_TJA_1120			0x001BB031

@@ -1888,6 +1890,30 @@ static void tja1120_nmi_handler(struct phy_device *phydev,
	}
}

static int nxp_c45_macsec_ability(struct phy_device *phydev)
{
	bool macsec_ability;
	int phy_abilities;

	phy_abilities = phy_read_mmd(phydev, MDIO_MMD_VEND1,
				     VEND1_PORT_ABILITIES);
	macsec_ability = !!(phy_abilities & MACSEC_ABILITY);

	return macsec_ability;
}

static int tja1103_match_phy_device(struct phy_device *phydev)
{
	return phy_id_compare(phydev->phy_id, PHY_ID_TJA_1103, PHY_ID_MASK) &&
	       !nxp_c45_macsec_ability(phydev);
}

static int tja1104_match_phy_device(struct phy_device *phydev)
{
	return phy_id_compare(phydev->phy_id, PHY_ID_TJA_1103, PHY_ID_MASK) &&
	       nxp_c45_macsec_ability(phydev);
}

static const struct nxp_c45_regmap tja1120_regmap = {
	.vend1_ptp_clk_period	= 0x1020,
	.vend1_event_msg_filt	= 0x9010,
@@ -1958,7 +1984,6 @@ static const struct nxp_c45_phy_data tja1120_phy_data = {

static struct phy_driver nxp_c45_driver[] = {
	{
		PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103),
		.name			= "NXP C45 TJA1103",
		.get_features		= nxp_c45_get_features,
		.driver_data		= &tja1103_phy_data,
@@ -1980,6 +2005,31 @@ static struct phy_driver nxp_c45_driver[] = {
		.get_sqi		= nxp_c45_get_sqi,
		.get_sqi_max		= nxp_c45_get_sqi_max,
		.remove			= nxp_c45_remove,
		.match_phy_device	= tja1103_match_phy_device,
	},
	{
		.name			= "NXP C45 TJA1104",
		.get_features		= nxp_c45_get_features,
		.driver_data		= &tja1103_phy_data,
		.probe			= nxp_c45_probe,
		.soft_reset		= nxp_c45_soft_reset,
		.config_aneg		= genphy_c45_config_aneg,
		.config_init		= nxp_c45_config_init,
		.config_intr		= tja1103_config_intr,
		.handle_interrupt	= nxp_c45_handle_interrupt,
		.read_status		= genphy_c45_read_status,
		.suspend		= genphy_c45_pma_suspend,
		.resume			= genphy_c45_pma_resume,
		.get_sset_count		= nxp_c45_get_sset_count,
		.get_strings		= nxp_c45_get_strings,
		.get_stats		= nxp_c45_get_stats,
		.cable_test_start	= nxp_c45_cable_test_start,
		.cable_test_get_status	= nxp_c45_cable_test_get_status,
		.set_loopback		= genphy_c45_loopback,
		.get_sqi		= nxp_c45_get_sqi,
		.get_sqi_max		= nxp_c45_get_sqi_max,
		.remove			= nxp_c45_remove,
		.match_phy_device	= tja1104_match_phy_device,
	},
	{
		PHY_ID_MATCH_MODEL(PHY_ID_TJA_1120),