[PATCH] net/phy: Add Cortina CS43xx PHY support
From: Shengzhou Liu <hidden>
Date: 2014-03-05 09:23:20
Add support for Cortina CS4315/CS4340 10G PHY. (Tested with CS4315 on T2080RDB and CS4340 on T4240RDB). Signed-off-by: YongHua Cao <redacted> Signed-off-by: Shengzhou Liu <redacted> --- drivers/net/phy/Kconfig | 5 +++ drivers/net/phy/Makefile | 1 + drivers/net/phy/cortina.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 98 insertions(+) create mode 100644 drivers/net/phy/cortina.c
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
index 1d18443..f7d6c8c 100644
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig@@ -60,6 +60,11 @@ config VITESSE_PHY ---help--- Currently supports the vsc8244 +config CORTINA_PHY + tristate "Drivers for the Cortina PHYs" + ---help--- + Currently supports the CS4315 and CS4340 PHY. + config SMSC_PHY tristate "Drivers for SMSC PHYs" ---help---
diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
index a4f96b7..4047042 100644
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile@@ -11,6 +11,7 @@ obj-$(CONFIG_LXT_PHY) += lxt.o obj-$(CONFIG_QSEMI_PHY) += qsemi.o obj-$(CONFIG_SMSC_PHY) += smsc.o obj-$(CONFIG_VITESSE_PHY) += vitesse.o +obj-$(CONFIG_CORTINA_PHY) += cortina.o obj-$(CONFIG_BROADCOM_PHY) += broadcom.o obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o obj-$(CONFIG_BCM87XX_PHY) += bcm87xx.o
diff --git a/drivers/net/phy/cortina.c b/drivers/net/phy/cortina.c
new file mode 100644
index 0000000..154827c
--- /dev/null
+++ b/drivers/net/phy/cortina.c@@ -0,0 +1,92 @@ +/* Driver for Cortina PHYs + * + * Copyright 2013-2014 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/mii.h> +#include <linux/ethtool.h> +#include <linux/phy.h> + +#define PHY_ID_CS4340 0x13e51002 + +MODULE_DESCRIPTION("Cortina PHY driver"); +MODULE_AUTHOR("Caoyh"); +MODULE_LICENSE("GPL"); + +static int cs4340_config_init(struct phy_device *phydev) +{ + phydev->supported = SUPPORTED_10000baseT_Full; + phydev->advertising = SUPPORTED_10000baseT_Full; + + return 0; +} + +static int cs4340_config_aneg(struct phy_device *phydev) +{ + return 0; +} + +static int cs4340_read_status(struct phy_device *phydev) +{ + phydev->link = 1; + phydev->speed = 10000; + phydev->duplex = DUPLEX_FULL; + return 0; +} + +static int cs4340_ack_interrupt(struct phy_device *phydev) +{ + return 0; +} + +static int cs4340_config_intr(struct phy_device *phydev) +{ + return 0; +} + +static struct phy_driver cs4340_driver = { + .phy_id = PHY_ID_CS4340, + .phy_id_mask = 0xffffffff, + .name = "Cortina CS4315/CS4340", + .features = 0, + .config_init = &cs4340_config_init, + .config_aneg = &cs4340_config_aneg, + .read_status = &cs4340_read_status, + .ack_interrupt = &cs4340_ack_interrupt, + .config_intr = &cs4340_config_intr, + .driver = { .owner = THIS_MODULE,}, +}; + +static int __init cs4340_init(void) +{ + int err; + + err = phy_driver_register(&cs4340_driver); + if (err < 0) + return err; + + return 0; +} + +static void __exit cs4340_exit(void) +{ + phy_driver_unregister(&cs4340_driver); +} + +module_init(cs4340_init); +module_exit(cs4340_exit); + +static struct mdio_device_id __maybe_unused cortina_tbl[] = { + { PHY_ID_CS4340, 0xffffffff}, + {}, +}; + +MODULE_DEVICE_TABLE(mdio, cortina_tbl);
--
1.8.0