phy: Add LSI ET1011C PHY driver (dbb7a95d) · Commits · 戴 / test

drivers/net/phy/Kconfig

+5 −0

Original line number	Diff line number	Diff line
		@@ -77,6 +77,11 @@ config STE10XP
		---help---
		This is the driver for the STe100p and STe101p PHYs.

		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

drivers/net/phy/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -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_GPIO) += mdio-gpio.o

drivers/net/phy/et1011c.c

0 → 100644

+113 −0

Original line number	Diff line number	Diff line
		/*
		* 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);

Admin message