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@@ -1,7 +1,7 @@
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/*
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* Driver for the Texas Instruments DP83848 PHY
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*
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- * Copyright (C) 2015 Texas Instruments Inc.
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+ * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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@@ -16,11 +16,13 @@
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#include <linux/module.h>
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#include <linux/phy.h>
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-#define DP83848_PHY_ID 0x20005c90
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+#define TI_DP83848C_PHY_ID 0x20005ca0
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+#define NS_DP83848C_PHY_ID 0x20005c90
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+#define TLK10X_PHY_ID 0x2000a210
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/* Registers */
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-#define DP83848_MICR 0x11
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-#define DP83848_MISR 0x12
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+#define DP83848_MICR 0x11 /* MII Interrupt Control Register */
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+#define DP83848_MISR 0x12 /* MII Interrupt Status Register */
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/* MICR Register Fields */
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#define DP83848_MICR_INT_OE BIT(0) /* Interrupt Output Enable */
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@@ -36,6 +38,12 @@
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#define DP83848_MISR_ED_INT_EN BIT(6) /* Energy detect */
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#define DP83848_MISR_LQM_INT_EN BIT(7) /* Link Quality Monitor */
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+#define DP83848_INT_EN_MASK \
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+ (DP83848_MISR_ANC_INT_EN | \
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+ DP83848_MISR_DUP_INT_EN | \
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+ DP83848_MISR_SPD_INT_EN | \
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+ DP83848_MISR_LINK_INT_EN)
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+
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static int dp83848_ack_interrupt(struct phy_device *phydev)
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{
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int err = phy_read(phydev, DP83848_MISR);
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@@ -45,50 +53,58 @@ static int dp83848_ack_interrupt(struct phy_device *phydev)
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static int dp83848_config_intr(struct phy_device *phydev)
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{
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- int err;
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+ int control, ret;
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+
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+ control = phy_read(phydev, DP83848_MICR);
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+ if (control < 0)
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+ return control;
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if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
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- err = phy_write(phydev, DP83848_MICR,
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- DP83848_MICR_INT_OE |
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- DP83848_MICR_INTEN);
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- if (err < 0)
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- return err;
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-
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- return phy_write(phydev, DP83848_MISR,
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- DP83848_MISR_ANC_INT_EN |
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- DP83848_MISR_DUP_INT_EN |
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- DP83848_MISR_SPD_INT_EN |
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- DP83848_MISR_LINK_INT_EN);
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+ control |= DP83848_MICR_INT_OE;
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+ control |= DP83848_MICR_INTEN;
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+
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+ ret = phy_write(phydev, DP83848_MISR, DP83848_INT_EN_MASK);
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+ if (ret < 0)
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+ return ret;
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+ } else {
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+ control &= ~DP83848_MICR_INTEN;
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}
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- return phy_write(phydev, DP83848_MICR, 0x0);
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+ return phy_write(phydev, DP83848_MICR, control);
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}
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static struct mdio_device_id __maybe_unused dp83848_tbl[] = {
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- { DP83848_PHY_ID, 0xfffffff0 },
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+ { TI_DP83848C_PHY_ID, 0xfffffff0 },
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+ { NS_DP83848C_PHY_ID, 0xfffffff0 },
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+ { TLK10X_PHY_ID, 0xfffffff0 },
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{ }
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};
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MODULE_DEVICE_TABLE(mdio, dp83848_tbl);
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+#define DP83848_PHY_DRIVER(_id, _name) \
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+ { \
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+ .phy_id = _id, \
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+ .phy_id_mask = 0xfffffff0, \
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+ .name = _name, \
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+ .features = PHY_BASIC_FEATURES, \
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+ .flags = PHY_HAS_INTERRUPT, \
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+ \
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+ .soft_reset = genphy_soft_reset, \
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+ .config_init = genphy_config_init, \
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+ .suspend = genphy_suspend, \
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+ .resume = genphy_resume, \
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+ .config_aneg = genphy_config_aneg, \
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+ .read_status = genphy_read_status, \
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+ \
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+ /* IRQ related */ \
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+ .ack_interrupt = dp83848_ack_interrupt, \
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+ .config_intr = dp83848_config_intr, \
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+ }
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+
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static struct phy_driver dp83848_driver[] = {
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- {
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- .phy_id = DP83848_PHY_ID,
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- .phy_id_mask = 0xfffffff0,
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- .name = "TI DP83848",
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- .features = PHY_BASIC_FEATURES,
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- .flags = PHY_HAS_INTERRUPT,
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-
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- .soft_reset = genphy_soft_reset,
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- .config_init = genphy_config_init,
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- .suspend = genphy_suspend,
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- .resume = genphy_resume,
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- .config_aneg = genphy_config_aneg,
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- .read_status = genphy_read_status,
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-
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- /* IRQ related */
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- .ack_interrupt = dp83848_ack_interrupt,
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- .config_intr = dp83848_config_intr,
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- },
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+ DP83848_PHY_DRIVER(TI_DP83848C_PHY_ID, "TI DP83848C 10/100 Mbps PHY"),
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+ DP83848_PHY_DRIVER(NS_DP83848C_PHY_ID, "TI DP83848C 10/100 Mbps PHY"),
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+ DP83848_PHY_DRIVER(TLK10X_PHY_ID, "TI TLK10X 10/100 Mbps PHY"),
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};
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module_phy_driver(dp83848_driver);
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