net: phy: add driver for aquantia phy (bee8259d) · Commits · e / devices / android_kernel_xiaomi_nabu

drivers/net/phy/Kconfig

+5 −0

Original line number	Diff line number	Diff line
		@@ -14,6 +14,11 @@ if PHYLIB

		comment "MII PHY device drivers"

		config AQUANTIA_PHY
		tristate "Drivers for the Aquantia PHYs"
		---help---
		Currently supports the Aquantia AQ1202, AQ2104, AQR105, AQR405

		config AT803X_PHY
		tristate "Drivers for Atheros AT803X PHYs"
		---help---

drivers/net/phy/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -3,6 +3,7 @@
		libphy-objs := phy.o phy_device.o mdio_bus.o

		obj-$(CONFIG_PHYLIB) += libphy.o
		obj-$(CONFIG_AQUANTIA_PHY) += aquantia.o
		obj-$(CONFIG_MARVELL_PHY) += marvell.o
		obj-$(CONFIG_DAVICOM_PHY) += davicom.o
		obj-$(CONFIG_CICADA_PHY) += cicada.o

drivers/net/phy/aquantia.c

0 → 100644

+152 −0

Original line number	Diff line number	Diff line
		/*
		* Driver for Aquantia PHY
		*
		* Author: Shaohui Xie <Shaohui.Xie@freescale.com>
		*
		* Copyright 2015 Freescale Semiconductor, Inc.
		*
		* This file is licensed under the terms of the GNU General Public License
		* version 2. This program is licensed "as is" without any warranty of any
		* kind, whether express or implied.
		*/

		#include <linux/kernel.h>
		#include <linux/module.h>
		#include <linux/delay.h>
		#include <linux/mii.h>
		#include <linux/ethtool.h>
		#include <linux/phy.h>
		#include <linux/mdio.h>

		#define PHY_ID_AQ1202 0x03a1b445
		#define PHY_ID_AQ2104 0x03a1b460
		#define PHY_ID_AQR105 0x03a1b4a2
		#define PHY_ID_AQR405 0x03a1b4b0

		#define PHY_AQUANTIA_FEATURES (SUPPORTED_10000baseT_Full \| \
		SUPPORTED_1000baseT_Full \| \
		SUPPORTED_100baseT_Full \| \
		PHY_DEFAULT_FEATURES)

		static int aquantia_config_aneg(struct phy_device *phydev)
		{
		phydev->supported = PHY_AQUANTIA_FEATURES;
		phydev->advertising = phydev->supported;

		return 0;
		}

		static int aquantia_aneg_done(struct phy_device *phydev)
		{
		int reg;

		reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
		return (reg < 0) ? reg : (reg & BMSR_ANEGCOMPLETE);
		}

		static int aquantia_read_status(struct phy_device *phydev)
		{
		int reg;

		reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
		reg = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_STAT1);
		if (reg & MDIO_STAT1_LSTATUS)
		phydev->link = 1;
		else
		phydev->link = 0;

		reg = phy_read_mmd(phydev, MDIO_MMD_AN, 0xc800);
		mdelay(10);
		reg = phy_read_mmd(phydev, MDIO_MMD_AN, 0xc800);

		switch (reg) {
		case 0x9:
		phydev->speed = SPEED_2500;
		break;
		case 0x5:
		phydev->speed = SPEED_1000;
		break;
		case 0x3:
		phydev->speed = SPEED_100;
		break;
		case 0x7:
		default:
		phydev->speed = SPEED_10000;
		break;
		}
		phydev->duplex = DUPLEX_FULL;

		return 0;
		}

		static struct phy_driver aquantia_driver[] = {
		{
		.phy_id = PHY_ID_AQ1202,
		.phy_id_mask = 0xfffffff0,
		.name = "Aquantia AQ1202",
		.features = PHY_AQUANTIA_FEATURES,
		.aneg_done = aquantia_aneg_done,
		.config_aneg = aquantia_config_aneg,
		.read_status = aquantia_read_status,
		.driver = { .owner = THIS_MODULE,},
		},
		{
		.phy_id = PHY_ID_AQ2104,
		.phy_id_mask = 0xfffffff0,
		.name = "Aquantia AQ2104",
		.features = PHY_AQUANTIA_FEATURES,
		.aneg_done = aquantia_aneg_done,
		.config_aneg = aquantia_config_aneg,
		.read_status = aquantia_read_status,
		.driver = { .owner = THIS_MODULE,},
		},
		{
		.phy_id = PHY_ID_AQR105,
		.phy_id_mask = 0xfffffff0,
		.name = "Aquantia AQR105",
		.features = PHY_AQUANTIA_FEATURES,
		.aneg_done = aquantia_aneg_done,
		.config_aneg = aquantia_config_aneg,
		.read_status = aquantia_read_status,
		.driver = { .owner = THIS_MODULE,},
		},
		{
		.phy_id = PHY_ID_AQR405,
		.phy_id_mask = 0xfffffff0,
		.name = "Aquantia AQR405",
		.features = PHY_AQUANTIA_FEATURES,
		.aneg_done = aquantia_aneg_done,
		.config_aneg = aquantia_config_aneg,
		.read_status = aquantia_read_status,
		.driver = { .owner = THIS_MODULE,},
		},
		};

		static int __init aquantia_init(void)
		{
		return phy_drivers_register(aquantia_driver,
		ARRAY_SIZE(aquantia_driver));
		}

		static void __exit aquantia_exit(void)
		{
		return phy_drivers_unregister(aquantia_driver,
		ARRAY_SIZE(aquantia_driver));
		}

		module_init(aquantia_init);
		module_exit(aquantia_exit);

		static struct mdio_device_id __maybe_unused aquantia_tbl[] = {
		{ PHY_ID_AQ1202, 0xfffffff0 },
		{ PHY_ID_AQ2104, 0xfffffff0 },
		{ PHY_ID_AQR105, 0xfffffff0 },
		{ PHY_ID_AQR405, 0xfffffff0 },
		{ }
		};

		MODULE_DEVICE_TABLE(mdio, aquantia_tbl);

		MODULE_DESCRIPTION("Aquantia PHY driver");
		MODULE_AUTHOR("Shaohui Xie <Shaohui.Xie@freescale.com>");
		MODULE_LICENSE("GPL v2");