// SPDX-License-Identifier: GPL-2.0+
|
/*
|
* Copyright (C) 2012 Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
|
* Copyright (C) 2016 Hauke Mehrtens <hauke@hauke-m.de>
|
*/
|
|
#include <linux/mdio.h>
|
#include <linux/module.h>
|
#include <linux/phy.h>
|
#include <linux/of.h>
|
|
#define XWAY_MDIO_IMASK 0x19 /* interrupt mask */
|
#define XWAY_MDIO_ISTAT 0x1A /* interrupt status */
|
#define XWAY_MDIO_LED 0x1B /* led control */
|
|
/* bit 15:12 are reserved */
|
#define XWAY_MDIO_LED_LED3_EN BIT(11) /* Enable the integrated function of LED3 */
|
#define XWAY_MDIO_LED_LED2_EN BIT(10) /* Enable the integrated function of LED2 */
|
#define XWAY_MDIO_LED_LED1_EN BIT(9) /* Enable the integrated function of LED1 */
|
#define XWAY_MDIO_LED_LED0_EN BIT(8) /* Enable the integrated function of LED0 */
|
/* bit 7:4 are reserved */
|
#define XWAY_MDIO_LED_LED3_DA BIT(3) /* Direct Access to LED3 */
|
#define XWAY_MDIO_LED_LED2_DA BIT(2) /* Direct Access to LED2 */
|
#define XWAY_MDIO_LED_LED1_DA BIT(1) /* Direct Access to LED1 */
|
#define XWAY_MDIO_LED_LED0_DA BIT(0) /* Direct Access to LED0 */
|
|
#define XWAY_MDIO_INIT_WOL BIT(15) /* Wake-On-LAN */
|
#define XWAY_MDIO_INIT_MSRE BIT(14)
|
#define XWAY_MDIO_INIT_NPRX BIT(13)
|
#define XWAY_MDIO_INIT_NPTX BIT(12)
|
#define XWAY_MDIO_INIT_ANE BIT(11) /* Auto-Neg error */
|
#define XWAY_MDIO_INIT_ANC BIT(10) /* Auto-Neg complete */
|
#define XWAY_MDIO_INIT_ADSC BIT(5) /* Link auto-downspeed detect */
|
#define XWAY_MDIO_INIT_MPIPC BIT(4)
|
#define XWAY_MDIO_INIT_MDIXC BIT(3)
|
#define XWAY_MDIO_INIT_DXMC BIT(2) /* Duplex mode change */
|
#define XWAY_MDIO_INIT_LSPC BIT(1) /* Link speed change */
|
#define XWAY_MDIO_INIT_LSTC BIT(0) /* Link state change */
|
#define XWAY_MDIO_INIT_MASK (XWAY_MDIO_INIT_LSTC | \
|
XWAY_MDIO_INIT_ADSC)
|
|
#define ADVERTISED_MPD BIT(10) /* Multi-port device */
|
|
/* LED Configuration */
|
#define XWAY_MMD_LEDCH 0x01E0
|
/* Inverse of SCAN Function */
|
#define XWAY_MMD_LEDCH_NACS_NONE 0x0000
|
#define XWAY_MMD_LEDCH_NACS_LINK 0x0001
|
#define XWAY_MMD_LEDCH_NACS_PDOWN 0x0002
|
#define XWAY_MMD_LEDCH_NACS_EEE 0x0003
|
#define XWAY_MMD_LEDCH_NACS_ANEG 0x0004
|
#define XWAY_MMD_LEDCH_NACS_ABIST 0x0005
|
#define XWAY_MMD_LEDCH_NACS_CDIAG 0x0006
|
#define XWAY_MMD_LEDCH_NACS_TEST 0x0007
|
/* Slow Blink Frequency */
|
#define XWAY_MMD_LEDCH_SBF_F02HZ 0x0000
|
#define XWAY_MMD_LEDCH_SBF_F04HZ 0x0010
|
#define XWAY_MMD_LEDCH_SBF_F08HZ 0x0020
|
#define XWAY_MMD_LEDCH_SBF_F16HZ 0x0030
|
/* Fast Blink Frequency */
|
#define XWAY_MMD_LEDCH_FBF_F02HZ 0x0000
|
#define XWAY_MMD_LEDCH_FBF_F04HZ 0x0040
|
#define XWAY_MMD_LEDCH_FBF_F08HZ 0x0080
|
#define XWAY_MMD_LEDCH_FBF_F16HZ 0x00C0
|
/* LED Configuration */
|
#define XWAY_MMD_LEDCL 0x01E1
|
/* Complex Blinking Configuration */
|
#define XWAY_MMD_LEDCH_CBLINK_NONE 0x0000
|
#define XWAY_MMD_LEDCH_CBLINK_LINK 0x0001
|
#define XWAY_MMD_LEDCH_CBLINK_PDOWN 0x0002
|
#define XWAY_MMD_LEDCH_CBLINK_EEE 0x0003
|
#define XWAY_MMD_LEDCH_CBLINK_ANEG 0x0004
|
#define XWAY_MMD_LEDCH_CBLINK_ABIST 0x0005
|
#define XWAY_MMD_LEDCH_CBLINK_CDIAG 0x0006
|
#define XWAY_MMD_LEDCH_CBLINK_TEST 0x0007
|
/* Complex SCAN Configuration */
|
#define XWAY_MMD_LEDCH_SCAN_NONE 0x0000
|
#define XWAY_MMD_LEDCH_SCAN_LINK 0x0010
|
#define XWAY_MMD_LEDCH_SCAN_PDOWN 0x0020
|
#define XWAY_MMD_LEDCH_SCAN_EEE 0x0030
|
#define XWAY_MMD_LEDCH_SCAN_ANEG 0x0040
|
#define XWAY_MMD_LEDCH_SCAN_ABIST 0x0050
|
#define XWAY_MMD_LEDCH_SCAN_CDIAG 0x0060
|
#define XWAY_MMD_LEDCH_SCAN_TEST 0x0070
|
/* Configuration for LED Pin x */
|
#define XWAY_MMD_LED0H 0x01E2
|
/* Fast Blinking Configuration */
|
#define XWAY_MMD_LEDxH_BLINKF_MASK 0x000F
|
#define XWAY_MMD_LEDxH_BLINKF_NONE 0x0000
|
#define XWAY_MMD_LEDxH_BLINKF_LINK10 0x0001
|
#define XWAY_MMD_LEDxH_BLINKF_LINK100 0x0002
|
#define XWAY_MMD_LEDxH_BLINKF_LINK10X 0x0003
|
#define XWAY_MMD_LEDxH_BLINKF_LINK1000 0x0004
|
#define XWAY_MMD_LEDxH_BLINKF_LINK10_0 0x0005
|
#define XWAY_MMD_LEDxH_BLINKF_LINK100X 0x0006
|
#define XWAY_MMD_LEDxH_BLINKF_LINK10XX 0x0007
|
#define XWAY_MMD_LEDxH_BLINKF_PDOWN 0x0008
|
#define XWAY_MMD_LEDxH_BLINKF_EEE 0x0009
|
#define XWAY_MMD_LEDxH_BLINKF_ANEG 0x000A
|
#define XWAY_MMD_LEDxH_BLINKF_ABIST 0x000B
|
#define XWAY_MMD_LEDxH_BLINKF_CDIAG 0x000C
|
/* Constant On Configuration */
|
#define XWAY_MMD_LEDxH_CON_MASK 0x00F0
|
#define XWAY_MMD_LEDxH_CON_NONE 0x0000
|
#define XWAY_MMD_LEDxH_CON_LINK10 0x0010
|
#define XWAY_MMD_LEDxH_CON_LINK100 0x0020
|
#define XWAY_MMD_LEDxH_CON_LINK10X 0x0030
|
#define XWAY_MMD_LEDxH_CON_LINK1000 0x0040
|
#define XWAY_MMD_LEDxH_CON_LINK10_0 0x0050
|
#define XWAY_MMD_LEDxH_CON_LINK100X 0x0060
|
#define XWAY_MMD_LEDxH_CON_LINK10XX 0x0070
|
#define XWAY_MMD_LEDxH_CON_PDOWN 0x0080
|
#define XWAY_MMD_LEDxH_CON_EEE 0x0090
|
#define XWAY_MMD_LEDxH_CON_ANEG 0x00A0
|
#define XWAY_MMD_LEDxH_CON_ABIST 0x00B0
|
#define XWAY_MMD_LEDxH_CON_CDIAG 0x00C0
|
#define XWAY_MMD_LEDxH_CON_COPPER 0x00D0
|
#define XWAY_MMD_LEDxH_CON_FIBER 0x00E0
|
/* Configuration for LED Pin x */
|
#define XWAY_MMD_LED0L 0x01E3
|
/* Pulsing Configuration */
|
#define XWAY_MMD_LEDxL_PULSE_MASK 0x000F
|
#define XWAY_MMD_LEDxL_PULSE_NONE 0x0000
|
#define XWAY_MMD_LEDxL_PULSE_TXACT 0x0001
|
#define XWAY_MMD_LEDxL_PULSE_RXACT 0x0002
|
#define XWAY_MMD_LEDxL_PULSE_COL 0x0004
|
/* Slow Blinking Configuration */
|
#define XWAY_MMD_LEDxL_BLINKS_MASK 0x00F0
|
#define XWAY_MMD_LEDxL_BLINKS_NONE 0x0000
|
#define XWAY_MMD_LEDxL_BLINKS_LINK10 0x0010
|
#define XWAY_MMD_LEDxL_BLINKS_LINK100 0x0020
|
#define XWAY_MMD_LEDxL_BLINKS_LINK10X 0x0030
|
#define XWAY_MMD_LEDxL_BLINKS_LINK1000 0x0040
|
#define XWAY_MMD_LEDxL_BLINKS_LINK10_0 0x0050
|
#define XWAY_MMD_LEDxL_BLINKS_LINK100X 0x0060
|
#define XWAY_MMD_LEDxL_BLINKS_LINK10XX 0x0070
|
#define XWAY_MMD_LEDxL_BLINKS_PDOWN 0x0080
|
#define XWAY_MMD_LEDxL_BLINKS_EEE 0x0090
|
#define XWAY_MMD_LEDxL_BLINKS_ANEG 0x00A0
|
#define XWAY_MMD_LEDxL_BLINKS_ABIST 0x00B0
|
#define XWAY_MMD_LEDxL_BLINKS_CDIAG 0x00C0
|
#define XWAY_MMD_LED1H 0x01E4
|
#define XWAY_MMD_LED1L 0x01E5
|
#define XWAY_MMD_LED2H 0x01E6
|
#define XWAY_MMD_LED2L 0x01E7
|
#define XWAY_MMD_LED3H 0x01E8
|
#define XWAY_MMD_LED3L 0x01E9
|
|
#define PHY_ID_PHY11G_1_3 0x030260D1
|
#define PHY_ID_PHY22F_1_3 0x030260E1
|
#define PHY_ID_PHY11G_1_4 0xD565A400
|
#define PHY_ID_PHY22F_1_4 0xD565A410
|
#define PHY_ID_PHY11G_1_5 0xD565A401
|
#define PHY_ID_PHY22F_1_5 0xD565A411
|
#define PHY_ID_PHY11G_VR9_1_1 0xD565A408
|
#define PHY_ID_PHY22F_VR9_1_1 0xD565A418
|
#define PHY_ID_PHY11G_VR9_1_2 0xD565A409
|
#define PHY_ID_PHY22F_VR9_1_2 0xD565A419
|
|
static int xway_gphy_config_init(struct phy_device *phydev)
|
{
|
int err;
|
u32 ledxh;
|
u32 ledxl;
|
|
/* Mask all interrupts */
|
err = phy_write(phydev, XWAY_MDIO_IMASK, 0);
|
if (err)
|
return err;
|
|
/* Clear all pending interrupts */
|
phy_read(phydev, XWAY_MDIO_ISTAT);
|
|
/* Ensure that integrated led function is enabled for all leds */
|
err = phy_write(phydev, XWAY_MDIO_LED,
|
XWAY_MDIO_LED_LED0_EN |
|
XWAY_MDIO_LED_LED1_EN |
|
XWAY_MDIO_LED_LED2_EN |
|
XWAY_MDIO_LED_LED3_EN);
|
if (err)
|
return err;
|
|
phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDCH,
|
XWAY_MMD_LEDCH_NACS_NONE |
|
XWAY_MMD_LEDCH_SBF_F02HZ |
|
XWAY_MMD_LEDCH_FBF_F16HZ);
|
phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LEDCL,
|
XWAY_MMD_LEDCH_CBLINK_NONE |
|
XWAY_MMD_LEDCH_SCAN_NONE);
|
|
/**
|
* In most cases only one LED is connected to this phy, so
|
* configure them all to constant on and pulse mode. LED3 is
|
* only available in some packages, leave it in its reset
|
* configuration.
|
*/
|
ledxh = XWAY_MMD_LEDxH_BLINKF_NONE | XWAY_MMD_LEDxH_CON_LINK10XX;
|
ledxl = XWAY_MMD_LEDxL_PULSE_TXACT | XWAY_MMD_LEDxL_PULSE_RXACT |
|
XWAY_MMD_LEDxL_BLINKS_NONE;
|
phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED0H, ledxh);
|
phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED0L, ledxl);
|
phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED1H, ledxh);
|
phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED1L, ledxl);
|
phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2H, ledxh);
|
phy_write_mmd(phydev, MDIO_MMD_VEND2, XWAY_MMD_LED2L, ledxl);
|
|
return 0;
|
}
|
|
static int xway_gphy14_config_aneg(struct phy_device *phydev)
|
{
|
int reg, err;
|
|
/* Advertise as multi-port device, see IEEE802.3-2002 40.5.1.1 */
|
/* This is a workaround for an errata in rev < 1.5 devices */
|
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 xway_gphy_ack_interrupt(struct phy_device *phydev)
|
{
|
int reg;
|
|
reg = phy_read(phydev, XWAY_MDIO_ISTAT);
|
return (reg < 0) ? reg : 0;
|
}
|
|
static int xway_gphy_did_interrupt(struct phy_device *phydev)
|
{
|
int reg;
|
|
reg = phy_read(phydev, XWAY_MDIO_ISTAT);
|
return reg & XWAY_MDIO_INIT_MASK;
|
}
|
|
static int xway_gphy_config_intr(struct phy_device *phydev)
|
{
|
u16 mask = 0;
|
|
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
|
mask = XWAY_MDIO_INIT_MASK;
|
|
return phy_write(phydev, XWAY_MDIO_IMASK, mask);
|
}
|
|
static struct phy_driver xway_gphy[] = {
|
{
|
.phy_id = PHY_ID_PHY11G_1_3,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.3",
|
/* PHY_GBIT_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.config_aneg = xway_gphy14_config_aneg,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY22F_1_3,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY22F (PEF 7061) v1.3",
|
/* PHY_BASIC_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.config_aneg = xway_gphy14_config_aneg,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY11G_1_4,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.4",
|
/* PHY_GBIT_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.config_aneg = xway_gphy14_config_aneg,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY22F_1_4,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY22F (PEF 7061) v1.4",
|
/* PHY_BASIC_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.config_aneg = xway_gphy14_config_aneg,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY11G_1_5,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY11G (PEF 7071/PEF 7072) v1.5 / v1.6",
|
/* PHY_GBIT_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY22F_1_5,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY22F (PEF 7061) v1.5 / v1.6",
|
/* PHY_BASIC_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY11G_VR9_1_1,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY11G (xRX v1.1 integrated)",
|
/* PHY_GBIT_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY22F_VR9_1_1,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY22F (xRX v1.1 integrated)",
|
/* PHY_BASIC_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY11G_VR9_1_2,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY11G (xRX v1.2 integrated)",
|
/* PHY_GBIT_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
}, {
|
.phy_id = PHY_ID_PHY22F_VR9_1_2,
|
.phy_id_mask = 0xffffffff,
|
.name = "Intel XWAY PHY22F (xRX v1.2 integrated)",
|
/* PHY_BASIC_FEATURES */
|
.config_init = xway_gphy_config_init,
|
.ack_interrupt = xway_gphy_ack_interrupt,
|
.did_interrupt = xway_gphy_did_interrupt,
|
.config_intr = xway_gphy_config_intr,
|
.suspend = genphy_suspend,
|
.resume = genphy_resume,
|
},
|
};
|
module_phy_driver(xway_gphy);
|
|
static struct mdio_device_id __maybe_unused xway_gphy_tbl[] = {
|
{ PHY_ID_PHY11G_1_3, 0xffffffff },
|
{ PHY_ID_PHY22F_1_3, 0xffffffff },
|
{ PHY_ID_PHY11G_1_4, 0xffffffff },
|
{ PHY_ID_PHY22F_1_4, 0xffffffff },
|
{ PHY_ID_PHY11G_1_5, 0xffffffff },
|
{ PHY_ID_PHY22F_1_5, 0xffffffff },
|
{ PHY_ID_PHY11G_VR9_1_1, 0xffffffff },
|
{ PHY_ID_PHY22F_VR9_1_1, 0xffffffff },
|
{ PHY_ID_PHY11G_VR9_1_2, 0xffffffff },
|
{ PHY_ID_PHY22F_VR9_1_2, 0xffffffff },
|
{ }
|
};
|
MODULE_DEVICE_TABLE(mdio, xway_gphy_tbl);
|
|
MODULE_DESCRIPTION("Intel XWAY PHY driver");
|
MODULE_LICENSE("GPL");
|
