[EMAIL PROTECTED] writes:
> From: Chaithrika U S <[EMAIL PROTECTED]>
>
> Adds LSI ET1011C PHY driver.
> This driver is used by TI DM646x EVM.
>
> Signed-off-by: Chaithrika U S <[EMAIL PROTECTED]>
Chaithrika,
I saw that David Miller applied this. Nice work!
I will also commit to linux-davinci until your patch hits mainline.
Kevin
> ---
> drivers/net/phy/Kconfig | 5 ++
> drivers/net/phy/Makefile | 1 +
> drivers/net/phy/et1011c.c | 113
> +++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 119 insertions(+), 0 deletions(-)
> create mode 100644 drivers/net/phy/et1011c.c
>
> diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
> index d55932a..65dc771 100644
> --- a/drivers/net/phy/Kconfig
> +++ b/drivers/net/phy/Kconfig
> @@ -66,6 +66,11 @@ config REALTEK_PHY
> ---help---
> Supports the Realtek 821x PHY.
>
> +config LSI_ET1011C_PHY
> + tristate "Driver for LSI ET1011C PHY"
> + ---help---
> + Supports the LSI ET1011C PHY.
> +
> config FIXED_PHY
> bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs"
> depends on PHYLIB=y
> diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
> index eee329f..ebafcfb 100644
> --- a/drivers/net/phy/Makefile
> +++ b/drivers/net/phy/Makefile
> @@ -13,6 +13,7 @@ obj-$(CONFIG_VITESSE_PHY) += vitesse.o
> obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
> obj-$(CONFIG_ICPLUS_PHY) += icplus.o
> obj-$(CONFIG_REALTEK_PHY) += realtek.o
> +obj-$(CONFIG_LSI_ET1011C_PHY) += et1011c.o
> obj-$(CONFIG_FIXED_PHY) += fixed.o
> obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o
> obj-$(CONFIG_MDIO_OF_GPIO) += mdio-ofgpio.o
> diff --git a/drivers/net/phy/et1011c.c b/drivers/net/phy/et1011c.c
> new file mode 100644
> index 0000000..b031fa2
> --- /dev/null
> +++ b/drivers/net/phy/et1011c.c
> @@ -0,0 +1,113 @@
> +/*
> + * drivers/net/phy/et1011c.c
> + *
> + * Driver for LSI ET1011C PHYs
> + *
> + * Author: Chaithrika U S
> + *
> + * Copyright (c) 2008 Texas Instruments
> + *
> + * 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/string.h>
> +#include <linux/errno.h>
> +#include <linux/unistd.h>
> +#include <linux/slab.h>
> +#include <linux/interrupt.h>
> +#include <linux/init.h>
> +#include <linux/delay.h>
> +#include <linux/netdevice.h>
> +#include <linux/etherdevice.h>
> +#include <linux/skbuff.h>
> +#include <linux/spinlock.h>
> +#include <linux/mm.h>
> +#include <linux/module.h>
> +#include <linux/mii.h>
> +#include <linux/ethtool.h>
> +#include <linux/phy.h>
> +#include <linux/io.h>
> +#include <linux/uaccess.h>
> +#include <asm/irq.h>
> +
> +#define ET1011C_STATUS_REG (0x1A)
> +#define ET1011C_CONFIG_REG (0x16)
> +#define ET1011C_SPEED_MASK (0x0300)
> +#define ET1011C_GIGABIT_SPEED (0x0200)
> +#define ET1011C_TX_FIFO_MASK (0x3000)
> +#define ET1011C_TX_FIFO_DEPTH_8 (0x0000)
> +#define ET1011C_TX_FIFO_DEPTH_16 (0x1000)
> +#define ET1011C_INTERFACE_MASK (0x0007)
> +#define ET1011C_GMII_INTERFACE (0x0002)
> +#define ET1011C_SYS_CLK_EN (0x01 << 4)
> +
> +
> +MODULE_DESCRIPTION("LSI ET1011C PHY driver");
> +MODULE_AUTHOR("Chaithrika U S");
> +MODULE_LICENSE("GPL");
> +
> +static int et1011c_config_aneg(struct phy_device *phydev)
> +{
> + int ctl = 0;
> + ctl = phy_read(phydev, MII_BMCR);
> + if (ctl < 0)
> + return ctl;
> + ctl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 | BMCR_SPEED1000 |
> + BMCR_ANENABLE);
> + /* First clear the PHY */
> + phy_write(phydev, MII_BMCR, ctl | BMCR_RESET);
> +
> + return genphy_config_aneg(phydev);
> +}
> +
> +static int et1011c_read_status(struct phy_device *phydev)
> +{
> + int ret;
> + u32 val;
> + static int speed;
> + ret = genphy_read_status(phydev);
> +
> + if (speed != phydev->speed) {
> + speed = phydev->speed;
> + val = phy_read(phydev, ET1011C_STATUS_REG);
> + if ((val & ET1011C_SPEED_MASK) ==
> + ET1011C_GIGABIT_SPEED) {
> + val = phy_read(phydev, ET1011C_CONFIG_REG);
> + val &= ~ET1011C_TX_FIFO_MASK;
> + phy_write(phydev, ET1011C_CONFIG_REG, val\
> + | ET1011C_GMII_INTERFACE\
> + | ET1011C_SYS_CLK_EN\
> + | ET1011C_TX_FIFO_DEPTH_16);
> +
> + }
> + }
> + return ret;
> +}
> +
> +static struct phy_driver et1011c_driver = {
> + .phy_id = 0x0282f014,
> + .name = "ET1011C",
> + .phy_id_mask = 0xfffffff0,
> + .features = (PHY_BASIC_FEATURES | SUPPORTED_1000baseT_Full),
> + .flags = PHY_POLL,
> + .config_aneg = et1011c_config_aneg,
> + .read_status = et1011c_read_status,
> + .driver = { .owner = THIS_MODULE,},
> +};
> +
> +static int __init et1011c_init(void)
> +{
> + return phy_driver_register(&et1011c_driver);
> +}
> +
> +static void __exit et1011c_exit(void)
> +{
> + phy_driver_unregister(&et1011c_driver);
> +}
> +
> +module_init(et1011c_init);
> +module_exit(et1011c_exit);
> --
> 1.5.4.1
>
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