diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.7/0115-NET-PHY-adds-driver-for-lantiq-PHY11G.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.7/0115-NET-PHY-adds-driver-for-lantiq-PHY11G.patch | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.7/0115-NET-PHY-adds-driver-for-lantiq-PHY11G.patch b/target/linux/lantiq/patches-3.7/0115-NET-PHY-adds-driver-for-lantiq-PHY11G.patch new file mode 100644 index 0000000..7d3a6b9 --- /dev/null +++ b/target/linux/lantiq/patches-3.7/0115-NET-PHY-adds-driver-for-lantiq-PHY11G.patch @@ -0,0 +1,228 @@ +From 12f4b99d63edc15849357c09e22a36445c2752cc Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 22 Oct 2012 09:28:30 +0200 +Subject: [PATCH 115/123] NET: PHY: adds driver for lantiq PHY11G + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/net/phy/Kconfig | 5 ++ + drivers/net/phy/Makefile | 1 + + drivers/net/phy/lantiq.c | 178 ++++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 184 insertions(+) + create mode 100644 drivers/net/phy/lantiq.c + +diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig +index 961f0b2..41a2992 100644 +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -107,6 +107,11 @@ config MICREL_PHY + ---help--- + Supports the KSZ9021, VSC8201, KS8001 PHYs. + ++config LANTIQ_PHY ++ tristate "Driver for Lantiq PHYs" ++ ---help--- ++ Supports the 11G and 22E PHYs. ++ + 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 9645e38..e2eeee3 100644 +--- a/drivers/net/phy/Makefile ++++ b/drivers/net/phy/Makefile +@@ -23,6 +23,7 @@ obj-$(CONFIG_NATIONAL_PHY) += national.o + obj-$(CONFIG_DP83640_PHY) += dp83640.o + obj-$(CONFIG_STE10XP) += ste10Xp.o + obj-$(CONFIG_MICREL_PHY) += micrel.o ++obj-$(CONFIG_LANTIQ_PHY) += lantiq.o + obj-$(CONFIG_MDIO_OCTEON) += mdio-octeon.o + obj-$(CONFIG_MICREL_KS8995MA) += spi_ks8995.o + obj-$(CONFIG_AT803X_PHY) += at803x.o +diff --git a/drivers/net/phy/lantiq.c b/drivers/net/phy/lantiq.c +new file mode 100644 +index 0000000..ba4d7b7 +--- /dev/null ++++ b/drivers/net/phy/lantiq.c +@@ -0,0 +1,178 @@ ++/* ++ * 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. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ * You should have received a copy of the GNU General Public License ++ * along with this program; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. ++ * ++ * Copyright (C) 2012 Daniel Schwierzeck <daniel.schwierzeck@googlemail.com> ++ */ ++ ++#include <linux/module.h> ++#include <linux/phy.h> ++ ++#define MII_MMDCTRL 0x0d ++#define MII_MMDDATA 0x0e ++ ++#define MII_VR9_11G_IMASK 0x19 /* interrupt mask */ ++#define MII_VR9_11G_ISTAT 0x1a /* interrupt status */ ++ ++#define INT_VR9_11G_WOL BIT(15) /* Wake-On-LAN */ ++#define INT_VR9_11G_ANE BIT(11) /* Auto-Neg error */ ++#define INT_VR9_11G_ANC BIT(10) /* Auto-Neg complete */ ++#define INT_VR9_11G_ADSC BIT(5) /* Link auto-downspeed detect */ ++#define INT_VR9_11G_DXMC BIT(2) /* Duplex mode change */ ++#define INT_VR9_11G_LSPC BIT(1) /* Link speed change */ ++#define INT_VR9_11G_LSTC BIT(0) /* Link state change */ ++#define INT_VR9_11G_MASK (INT_VR9_11G_LSTC | INT_VR9_11G_ADSC) ++ ++#define ADVERTISED_MPD BIT(10) /* Multi-port device */ ++ ++#define MMD_DEVAD 0x1f ++#define MMD_ACTYPE_SHIFT 14 ++#define MMD_ACTYPE_ADDRESS (0 << MMD_ACTYPE_SHIFT) ++#define MMD_ACTYPE_DATA (1 << MMD_ACTYPE_SHIFT) ++#define MMD_ACTYPE_DATA_PI (2 << MMD_ACTYPE_SHIFT) ++#define MMD_ACTYPE_DATA_PIWR (3 << MMD_ACTYPE_SHIFT) ++ ++static __maybe_unused int vr9_gphy_mmd_read(struct phy_device *phydev, ++ u16 regnum) ++{ ++ phy_write(phydev, MII_MMDCTRL, MMD_ACTYPE_ADDRESS | MMD_DEVAD); ++ phy_write(phydev, MII_MMDDATA, regnum); ++ phy_write(phydev, MII_MMDCTRL, MMD_ACTYPE_DATA | MMD_DEVAD); ++ ++ return phy_read(phydev, MII_MMDDATA); ++} ++ ++static __maybe_unused int vr9_gphy_mmd_write(struct phy_device *phydev, ++ u16 regnum, u16 val) ++{ ++ phy_write(phydev, MII_MMDCTRL, MMD_ACTYPE_ADDRESS | MMD_DEVAD); ++ phy_write(phydev, MII_MMDDATA, regnum); ++ phy_write(phydev, MII_MMDCTRL, MMD_ACTYPE_DATA | MMD_DEVAD); ++ phy_write(phydev, MII_MMDDATA, val); ++ ++ return 0; ++} ++ ++static int vr9_gphy_config_init(struct phy_device *phydev) ++{ ++ int err; ++ ++ dev_dbg(&phydev->dev, "%s\n", __func__); ++ ++ /* Mask all interrupts */ ++ err = phy_write(phydev, MII_VR9_11G_IMASK, 0); ++ if (err) ++ return err; ++ ++ /* Clear all pending interrupts */ ++ phy_read(phydev, MII_VR9_11G_ISTAT); ++ ++ return 0; ++} ++ ++static int vr9_gphy_config_aneg(struct phy_device *phydev) ++{ ++ int reg, err; ++ ++ /* Advertise as multi-port device */ ++ reg = phy_read(phydev, MII_CTRL1000); ++ reg |= ADVERTISED_MPD; ++ err = phy_write(phydev, MII_CTRL1000, reg); ++ if (err) ++ return err; ++ ++ return genphy_config_aneg(phydev); ++} ++ ++static int vr9_gphy_ack_interrupt(struct phy_device *phydev) ++{ ++ int reg; ++ ++ /* ++ * Possible IRQ numbers: ++ * - IM3_IRL18 for GPHY0 ++ * - IM3_IRL17 for GPHY1 ++ * ++ * Due to a silicon bug IRQ lines are not really independent from ++ * each other. Sometimes the two lines are driven at the same time ++ * if only one GPHY core raises the interrupt. ++ */ ++ ++ reg = phy_read(phydev, MII_VR9_11G_ISTAT); ++ ++ return (reg < 0) ? reg : 0; ++} ++ ++static int vr9_gphy_did_interrupt(struct phy_device *phydev) ++{ ++ int reg; ++ ++ reg = phy_read(phydev, MII_VR9_11G_ISTAT); ++ ++ return reg > 0; ++} ++ ++static int vr9_gphy_config_intr(struct phy_device *phydev) ++{ ++ int err; ++ ++ if (phydev->interrupts == PHY_INTERRUPT_ENABLED) ++ err = phy_write(phydev, MII_VR9_11G_IMASK, INT_VR9_11G_MASK); ++ else ++ err = phy_write(phydev, MII_VR9_11G_IMASK, 0); ++ ++ return err; ++} ++ ++/* TODO: add vr9_gphy_22f_driver and drivers for external Lantiq PEF7071 PHYs */ ++static struct phy_driver vr9_gphy_11g_driver = { ++ .phy_id = 0xd565a408, ++ .phy_id_mask = 0xfffffff0, ++ .name = "Lantiq XWAY VR9 GPHY 11G", ++ .features = (PHY_GBIT_FEATURES | SUPPORTED_Pause), ++ .flags = 0, /*PHY_HAS_INTERRUPT,*/ ++ .config_init = vr9_gphy_config_init, ++ .config_aneg = vr9_gphy_config_aneg, ++ .read_status = genphy_read_status, ++ .ack_interrupt = vr9_gphy_ack_interrupt, ++ .did_interrupt = vr9_gphy_did_interrupt, ++ .config_intr = vr9_gphy_config_intr, ++ .driver = { .owner = THIS_MODULE }, ++}; ++ ++static int __init ltq_phy_init(void) ++{ ++ int err; ++ ++ err = phy_driver_register(&vr9_gphy_11g_driver); ++ if (err) ++ goto err_out; ++ ++ return 0; ++ ++err_out: ++ return err; ++} ++ ++static void __exit ltq_phy_exit(void) ++{ ++ phy_driver_unregister(&vr9_gphy_11g_driver); ++} ++ ++module_init(ltq_phy_init); ++module_exit(ltq_phy_exit); ++ ++MODULE_DESCRIPTION("Lantiq PHY drivers"); ++MODULE_AUTHOR("Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>"); ++MODULE_LICENSE("GPL"); +-- +1.7.10.4 + |