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From:   "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@oss.nxp.com>
To:     andrew@lunn.ch, hkallweit1@gmail.com, linux@armlinux.org.uk,
        davem@davemloft.net, edumazet@google.com, kuba@kernel.org,
        pabeni@redhat.com, richardcochran@gmail.com
Cc:     netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@oss.nxp.com>
Subject: [PATCH net-next v5 05/11] net: phy: nxp-c45-tja11xx: add TJA1120 support
Date:   Mon, 31 Jul 2023 12:16:13 +0300
Message-Id: <20230731091619.77961-6-radu-nicolae.pirea@oss.nxp.com>
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Add TJA1120 driver entry and its driver_data.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
 drivers/net/phy/Kconfig           |   2 +-
 drivers/net/phy/nxp-c45-tja11xx.c | 159 ++++++++++++++++++++++++++++++
 2 files changed, 160 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 67aaeb75301f..107880d13d21 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -306,7 +306,7 @@ config NXP_C45_TJA11XX_PHY
 	depends on PTP_1588_CLOCK_OPTIONAL
 	help
 	  Enable support for NXP C45 TJA11XX PHYs.
-	  Currently supports only the TJA1103 PHY.
+	  Currently supports the TJA1103 and TJA1120 PHYs.
 
 config NXP_TJA11XX_PHY
 	tristate "NXP TJA11xx PHYs support"
diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 573083f0550f..dbfaf1e07ad5 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -18,12 +18,17 @@
 #include <linux/net_tstamp.h>
 
 #define PHY_ID_TJA_1103			0x001BB010
+#define PHY_ID_TJA_1120			0x001BB031
 
 #define VEND1_DEVICE_CONTROL		0x0040
 #define DEVICE_CONTROL_RESET		BIT(15)
 #define DEVICE_CONTROL_CONFIG_GLOBAL_EN	BIT(14)
 #define DEVICE_CONTROL_CONFIG_ALL_EN	BIT(13)
 
+#define VEND1_DEVICE_CONFIG		0x0048
+
+#define TJA1120_VEND1_EXT_TS_MODE	0x1012
+
 #define VEND1_PHY_IRQ_ACK		0x80A0
 #define VEND1_PHY_IRQ_EN		0x80A1
 #define VEND1_PHY_IRQ_STATUS		0x80A2
@@ -76,6 +81,14 @@
 #define MII_BASIC_CONFIG_RMII		0x5
 #define MII_BASIC_CONFIG_MII		0x4
 
+#define VEND1_SYMBOL_ERROR_CNT_XTD	0x8351
+#define EXTENDED_CNT_EN			BIT(15)
+#define VEND1_MONITOR_STATUS		0xAC80
+#define MONITOR_RESET			BIT(15)
+#define VEND1_MONITOR_CONFIG		0xAC86
+#define LOST_FRAMES_CNT_EN		BIT(9)
+#define ALL_FRAMES_CNT_EN		BIT(8)
+
 #define VEND1_SYMBOL_ERROR_COUNTER	0x8350
 #define VEND1_LINK_DROP_COUNTER		0x8352
 #define VEND1_LINK_LOSSES_AND_FAILURES	0x8353
@@ -94,6 +107,10 @@
 #define VEND1_RX_TS_INSRT_CTRL		0x114D
 #define TJA1103_RX_TS_INSRT_MODE2	0x02
 
+#define TJA1120_RX_TS_INSRT_CTRL	0x9012
+#define TJA1120_RX_TS_INSRT_EN		BIT(15)
+#define TJA1120_TS_INSRT_MODE		BIT(4)
+
 #define VEND1_EGR_RING_DATA_0		0x114E
 #define VEND1_EGR_RING_CTRL		0x1154
 
@@ -110,6 +127,7 @@
 #define PORT_PTP_CONTROL_BYPASS		BIT(11)
 
 #define PTP_CLK_PERIOD_100BT1		15ULL
+#define PTP_CLK_PERIOD_1000BT1		8ULL
 
 #define EVENT_MSG_FILT_ALL		0x0F
 #define EVENT_MSG_FILT_NONE		0x00
@@ -929,6 +947,27 @@ static const struct nxp_c45_phy_stats tja1103_hw_stats[] = {
 		NXP_C45_REG_FIELD(0xAFD1, MDIO_MMD_VEND1, 0, 9), },
 };
 
+static const struct nxp_c45_phy_stats tja1120_hw_stats[] = {
+	{ "phy_symbol_error_cnt_ext",
+		NXP_C45_REG_FIELD(0x8351, MDIO_MMD_VEND1, 0, 14) },
+	{ "tx_frames_xtd",
+		NXP_C45_REG_FIELD(0xACA1, MDIO_MMD_VEND1, 0, 8), },
+	{ "tx_frames",
+		NXP_C45_REG_FIELD(0xACA0, MDIO_MMD_VEND1, 0, 16), },
+	{ "rx_frames_xtd",
+		NXP_C45_REG_FIELD(0xACA3, MDIO_MMD_VEND1, 0, 8), },
+	{ "rx_frames",
+		NXP_C45_REG_FIELD(0xACA2, MDIO_MMD_VEND1, 0, 16), },
+	{ "tx_lost_frames_xtd",
+		NXP_C45_REG_FIELD(0xACA5, MDIO_MMD_VEND1, 0, 8), },
+	{ "tx_lost_frames",
+		NXP_C45_REG_FIELD(0xACA4, MDIO_MMD_VEND1, 0, 16), },
+	{ "rx_lost_frames_xtd",
+		NXP_C45_REG_FIELD(0xACA7, MDIO_MMD_VEND1, 0, 8), },
+	{ "rx_lost_frames",
+		NXP_C45_REG_FIELD(0xACA6, MDIO_MMD_VEND1, 0, 16), },
+};
+
 static int nxp_c45_get_sset_count(struct phy_device *phydev)
 {
 	const struct nxp_c45_phy_data *phy_data = nxp_c45_get_data(phydev);
@@ -1511,6 +1550,101 @@ static const struct nxp_c45_phy_data tja1103_phy_data = {
 	.ptp_enable = tja1103_ptp_enable,
 };
 
+static void tja1120_counters_enable(struct phy_device *phydev)
+{
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_SYMBOL_ERROR_CNT_XTD,
+			 EXTENDED_CNT_EN);
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_MONITOR_STATUS,
+			 MONITOR_RESET);
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_MONITOR_CONFIG,
+			 ALL_FRAMES_CNT_EN | LOST_FRAMES_CNT_EN);
+}
+
+static void tja1120_ptp_init(struct phy_device *phydev)
+{
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, TJA1120_RX_TS_INSRT_CTRL,
+		      TJA1120_RX_TS_INSRT_EN | TJA1120_TS_INSRT_MODE);
+	phy_write_mmd(phydev, MDIO_MMD_VEND1, TJA1120_VEND1_EXT_TS_MODE,
+		      TJA1120_TS_INSRT_MODE);
+	phy_set_bits_mmd(phydev, MDIO_MMD_VEND1, VEND1_DEVICE_CONFIG,
+			 PTP_ENABLE);
+}
+
+static void tja1120_ptp_enable(struct phy_device *phydev, bool enable)
+{
+	if (enable)
+		phy_set_bits_mmd(phydev, MDIO_MMD_VEND1,
+				 VEND1_PORT_FUNC_ENABLES,
+				 PTP_ENABLE);
+	else
+		phy_clear_bits_mmd(phydev, MDIO_MMD_VEND1,
+				   VEND1_PORT_FUNC_ENABLES,
+				   PTP_ENABLE);
+}
+
+static const struct nxp_c45_regmap tja1120_regmap = {
+	.vend1_ptp_clk_period	= 0x1020,
+	.vend1_event_msg_filt	= 0x9010,
+	.pps_enable		=
+		NXP_C45_REG_FIELD(0x1006, MDIO_MMD_VEND1, 4, 1),
+	.pps_polarity		=
+		NXP_C45_REG_FIELD(0x1006, MDIO_MMD_VEND1, 5, 1),
+	.ltc_lock_ctrl		=
+		NXP_C45_REG_FIELD(0x1006, MDIO_MMD_VEND1, 2, 1),
+	.ltc_read		=
+		NXP_C45_REG_FIELD(0x1000, MDIO_MMD_VEND1, 1, 1),
+	.ltc_write		=
+		NXP_C45_REG_FIELD(0x1000, MDIO_MMD_VEND1, 2, 1),
+	.vend1_ltc_wr_nsec_0	= 0x1040,
+	.vend1_ltc_wr_nsec_1	= 0x1041,
+	.vend1_ltc_wr_sec_0	= 0x1042,
+	.vend1_ltc_wr_sec_1	= 0x1043,
+	.vend1_ltc_rd_nsec_0	= 0x1048,
+	.vend1_ltc_rd_nsec_1	= 0x1049,
+	.vend1_ltc_rd_sec_0	= 0x104A,
+	.vend1_ltc_rd_sec_1	= 0x104B,
+	.vend1_rate_adj_subns_0	= 0x1030,
+	.vend1_rate_adj_subns_1	= 0x1031,
+	.irq_egr_ts_en		=
+		NXP_C45_REG_FIELD(0x900A, MDIO_MMD_VEND1, 1, 1),
+	.irq_egr_ts_status	=
+		NXP_C45_REG_FIELD(0x900C, MDIO_MMD_VEND1, 1, 1),
+	.domain_number		=
+		NXP_C45_REG_FIELD(0x9061, MDIO_MMD_VEND1, 8, 8),
+	.msg_type		=
+		NXP_C45_REG_FIELD(0x9061, MDIO_MMD_VEND1, 4, 4),
+	.sequence_id		=
+		NXP_C45_REG_FIELD(0x9062, MDIO_MMD_VEND1, 0, 16),
+	.sec_1_0		=
+		NXP_C45_REG_FIELD(0x9065, MDIO_MMD_VEND1, 0, 2),
+	.sec_4_2		=
+		NXP_C45_REG_FIELD(0x9065, MDIO_MMD_VEND1, 2, 3),
+	.nsec_15_0		=
+		NXP_C45_REG_FIELD(0x9063, MDIO_MMD_VEND1, 0, 16),
+	.nsec_29_16		=
+		NXP_C45_REG_FIELD(0x9064, MDIO_MMD_VEND1, 0, 14),
+	.vend1_ext_trg_data_0	= 0x1071,
+	.vend1_ext_trg_data_1	= 0x1072,
+	.vend1_ext_trg_data_2	= 0x1073,
+	.vend1_ext_trg_data_3	= 0x1074,
+	.vend1_ext_trg_ctrl	= 0x1075,
+	.cable_test		= 0x8360,
+	.cable_test_valid	=
+		NXP_C45_REG_FIELD(0x8361, MDIO_MMD_VEND1, 15, 1),
+	.cable_test_result	=
+		NXP_C45_REG_FIELD(0x8361, MDIO_MMD_VEND1, 0, 3),
+};
+
+static const struct nxp_c45_phy_data tja1120_phy_data = {
+	.regmap = &tja1120_regmap,
+	.stats = tja1120_hw_stats,
+	.n_stats = ARRAY_SIZE(tja1120_hw_stats),
+	.ptp_clk_period = PTP_CLK_PERIOD_1000BT1,
+	.counters_enable = tja1120_counters_enable,
+	.ptp_init = tja1120_ptp_init,
+	.ptp_enable = tja1120_ptp_enable,
+};
+
 static struct phy_driver nxp_c45_driver[] = {
 	{
 		PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103),
@@ -1536,12 +1670,37 @@ static struct phy_driver nxp_c45_driver[] = {
 		.get_sqi_max		= nxp_c45_get_sqi_max,
 		.remove			= nxp_c45_remove,
 	},
+	{
+		PHY_ID_MATCH_MODEL(PHY_ID_TJA_1120),
+		.name			= "NXP C45 TJA1120",
+		.get_features		= nxp_c45_get_features,
+		.driver_data		= &tja1120_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		= nxp_c45_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,
+	},
 };
 
 module_phy_driver(nxp_c45_driver);
 
 static struct mdio_device_id __maybe_unused nxp_c45_tbl[] = {
 	{ PHY_ID_MATCH_MODEL(PHY_ID_TJA_1103) },
+	{ PHY_ID_MATCH_MODEL(PHY_ID_TJA_1120) },
 	{ /*sentinel*/ },
 };
 
-- 
2.34.1