[PATCH v2 1/2] net/phy: add driver for atheros PHYs

[Sascha Hauer]

On Mon, Dec 02, 2013 at 07:21:19PM +0100, Lucas Stach wrote:
> Based on Linux kernel 3.12 driver.
> 
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>

Fixed some whitespaces and applied both

Sascha

> ---
>  drivers/net/phy/Kconfig  |   5 ++
>  drivers/net/phy/Makefile |   1 +
>  drivers/net/phy/at803x.c | 121 +++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 127 insertions(+)
>  create mode 100644 drivers/net/phy/at803x.c
> 
> diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
> index b6ac9ee75076..83966f997f27 100644
> --- a/drivers/net/phy/Kconfig
> +++ b/drivers/net/phy/Kconfig
> @@ -8,6 +8,11 @@ if PHYLIB
>  
>  comment "MII PHY device drivers"
>  
> +config AT803X_PHY
> +	bool "Driver for Atheros AT803X PHYs"
> +	---help---
> +	  Currently supports the AT8030, AT8031 and AT8035 PHYs.
> +
>  config MICREL_PHY
>  	bool "Driver for Micrel PHYs"
>  	---help---
> diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile
> index 5f8191d8a7f5..47e2b423319f 100644
> --- a/drivers/net/phy/Makefile
> +++ b/drivers/net/phy/Makefile
> @@ -1,3 +1,4 @@
>  obj-y += phy.o mdio_bus.o
> +obj-$(CONFIG_AT803X_PHY)	+= at803x.o
>  obj-$(CONFIG_MICREL_PHY)	+= micrel.o
>  obj-$(CONFIG_SMSC_PHY)		+= smsc.o
> diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
> new file mode 100644
> index 000000000000..a244c87cbafa
> --- /dev/null
> +++ b/drivers/net/phy/at803x.c
> @@ -0,0 +1,121 @@
> +/*
> + * drivers/net/phy/at803x.c
> + *
> + * Driver for Atheros 803x PHY
> + *
> + * Author: Matus Ujhelyi <ujhelyi.m at gmail.com>
> + *
> + * 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 <common.h>
> +#include <init.h>
> +#include <linux/phy.h>
> +#include <linux/string.h>
> +
> +#define AT803X_INTR_ENABLE			0x12
> +#define AT803X_INTR_STATUS			0x13
> +#define AT803X_WOL_ENABLE			0x01
> +#define AT803X_DEVICE_ADDR			0x03
> +#define AT803X_LOC_MAC_ADDR_0_15_OFFSET		0x804C
> +#define AT803X_LOC_MAC_ADDR_16_31_OFFSET	0x804B
> +#define AT803X_LOC_MAC_ADDR_32_47_OFFSET	0x804A
> +#define AT803X_MMD_ACCESS_CONTROL		0x0D
> +#define AT803X_MMD_ACCESS_CONTROL_DATA		0x0E
> +#define AT803X_FUNC_DATA			0x4003
> +#define AT803X_DEBUG_ADDR			0x1D
> +#define AT803X_DEBUG_DATA			0x1E
> +#define AT803X_DEBUG_SYSTEM_MODE_CTRL		0x05
> +#define AT803X_DEBUG_RGMII_TX_CLK_DLY		(1 << 8)
> +
> +static int at803x_config_init(struct phy_device *phydev)
> +{
> +	int val;
> +	int ret;
> +	u32 features;
> +
> +	features = SUPPORTED_TP | SUPPORTED_MII | SUPPORTED_AUI |
> +		   SUPPORTED_FIBRE | SUPPORTED_BNC;
> +
> +	val = phy_read(phydev, MII_BMSR);
> +	if (val < 0)
> +		return val;
> +
> +	if (val & BMSR_ANEGCAPABLE)
> +		features |= SUPPORTED_Autoneg;
> +	if (val & BMSR_100FULL)
> +		features |= SUPPORTED_100baseT_Full;
> +	if (val & BMSR_100HALF)
> +		features |= SUPPORTED_100baseT_Half;
> +	if (val & BMSR_10FULL)
> +		features |= SUPPORTED_10baseT_Full;
> +	if (val & BMSR_10HALF)
> +		features |= SUPPORTED_10baseT_Half;
> +
> +	if (val & BMSR_ESTATEN) {
> +		val = phy_read(phydev, MII_ESTATUS);
> +		if (val < 0)
> +			return val;
> +
> +		if (val & ESTATUS_1000_TFULL)
> +			features |= SUPPORTED_1000baseT_Full;
> +		if (val & ESTATUS_1000_THALF)
> +			features |= SUPPORTED_1000baseT_Half;
> +	}
> +
> +	phydev->supported = features;
> +	phydev->advertising = features;
> +
> +	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
> +		ret = phy_write(phydev, AT803X_DEBUG_ADDR,
> +				AT803X_DEBUG_SYSTEM_MODE_CTRL);
> +		if (ret)
> +			return ret;
> +		ret = phy_write(phydev, AT803X_DEBUG_DATA,
> +				AT803X_DEBUG_RGMII_TX_CLK_DLY);
> +		if (ret)
> +			return ret;
> +	}
> +
> +	return 0;
> +}
> +
> +static struct phy_driver at803x_driver[] = {
> +{
> +	/* ATHEROS 8035 */
> +	.phy_id		= 0x004dd072,
> +	.phy_id_mask	= 0xffffffef,
> +	.drv.name	= "Atheros 8035 ethernet",
> +	.config_init	= at803x_config_init,
> +	.features	= PHY_GBIT_FEATURES,
> +	.config_aneg	= &genphy_config_aneg,
> +	.read_status	= &genphy_read_status,
> +}, {
> +	/* ATHEROS 8030 */
> +	.phy_id		= 0x004dd076,
> +	.phy_id_mask	= 0xffffffef,
> +	.drv.name	= "Atheros 8030 ethernet",
> +	.config_init	= at803x_config_init,
> +	.features	= PHY_GBIT_FEATURES,
> +	.config_aneg	= &genphy_config_aneg,
> +	.read_status	= &genphy_read_status,
> +}, {
> +	/* ATHEROS 8031 */
> +	.phy_id		= 0x004dd074,
> +	.phy_id_mask	= 0xffffffef,
> +	.drv.name	= "Atheros 8031 ethernet",
> +	.config_init	= at803x_config_init,
> +	.features	= PHY_GBIT_FEATURES,
> +	.config_aneg	= &genphy_config_aneg,
> +	.read_status	= &genphy_read_status,
> +} };
> +
> +static int atheros_phy_init(void)
> +{
> +	return phy_drivers_register(at803x_driver,
> +				    ARRAY_SIZE(at803x_driver));
> +}
> +fs_initcall(atheros_phy_init);
> -- 
> 1.8.4.3
> 
> 
> _______________________________________________
> barebox mailing list
> barebox at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |