[PATCH net-next v3 06/12] net: phy: nxp-c45-tja11xx: add TJA1120 support
From: Radu Pirea (NXP OSS)
Date: Tue Jun 27 2023 - 03:22:43 EST
Add TJA1120 driver entry and its driver_data.
Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@xxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
---
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 a40269c17597..aaed6d73f9f5 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -300,7 +300,7 @@ 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 11fb5a4f47fb..47decf2677e1 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