[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/net/phy/nxp-tja1100.c b/src/kernel/linux/v4.14/drivers/net/phy/nxp-tja1100.c
new file mode 100644
index 0000000..97873c8
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/net/phy/nxp-tja1100.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ */
+#include <linux/module.h>
+#include <linux/phy.h>
+#include <linux/of.h>
+
+#define PHY_ID_TJA1100 0x0180dc48
+#define TJA1100_LINKUP BIT(15)
+
+static int tja1100_config_init(struct phy_device *phydev)
+{
+ phydev->supported = SUPPORTED_100baseT_Full;
+ phydev->advertising = SUPPORTED_100baseT_Full;
+ phydev->state = PHY_NOLINK;
+ phydev->autoneg = AUTONEG_DISABLE;
+
+ return 0;
+}
+
+static int tja1100_read_status(struct phy_device *phydev)
+{
+ int val;
+
+ phydev->duplex = 1;
+ phydev->pause = 0;
+ phydev->speed = SPEED_100;
+
+ val = phy_read(phydev, MII_RESV1);
+ if (val < 0)
+ return val;
+
+ if (val & TJA1100_LINKUP)
+ phydev->link = 1;
+ else
+ phydev->link = 0;
+
+ return 0;
+}
+
+static struct phy_driver nxp_tja1100_driver[] = {
+ {
+ .phy_id = PHY_ID_TJA1100,
+ .phy_id_mask = 0xfffffff0,
+ .name = "NXP TJA1100",
+ .config_init = tja1100_config_init,
+ .read_status = tja1100_read_status,
+ }
+};
+
+module_phy_driver(nxp_tja1100_driver);
+
+static struct mdio_device_id __maybe_unused nxp_tbl[] = {
+ { PHY_ID_TJA1100, 0xfffffff0 },
+ { }
+};
+
+MODULE_DEVICE_TABLE(mdio, nxp_tbl);