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-rw-r--r--target/linux/lantiq/patches-3.7/0115-NET-PHY-adds-driver-for-lantiq-PHY11G.patch228
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 0000000000..7d3a6b9d15
--- /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
+