[U-Boot] [PATCH] Add support for KSZ8895 switch

[Christian Gmeiner]

>>
>> This patch adds a dump phy driver for the KSZ8895 switch from
>> Micrel. As the SoC MAC is directly connected to switch no
>> autonegotiation is needed as the link is always up.
>>
>> Signed-off-by: Christian Gmeiner <christian.gmeiner at gmail.com>
>> ---
>>  drivers/net/phy/micrel.c |   31 +++++++++++++++++++++++++++++++
>>  1 file changed, 31 insertions(+)
>>
>> diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
>> index aa9cbcf..76d6846 100644
>> --- a/drivers/net/phy/micrel.c
>> +++ b/drivers/net/phy/micrel.c
>> @@ -36,6 +36,36 @@ static struct phy_driver KSZ804_driver = {
>>         .shutdown = &genphy_shutdown,
>>  };
>>
>> +/**
>> + * KSZ8895
>> + */
>> +
>> +int ksz8895_config(struct phy_device *phydev)
>> +{
>> +       /* we are connected directly to the switch without
>> +        * dedicated PHY. SCONF1 == 001 */
>> +       phydev->link = 1;
>> +       phydev->duplex = DUPLEX_FULL;
>> +       phydev->speed = SPEED_100;
>> +
>> +       return 0;
>> +}
>> +
>> +static int ksz8895_startup(struct phy_device *phydev)
>> +{
>> +       return 0;
>> +}
>> +
>> +static struct phy_driver ksz8895_driver = {
>> +       .name = "Micrel KSZ8895/KSZ8864",
>> +       .uid  = 0x221450,
>> +       .mask = 0xffffe1,
>> +       .features = PHY_BASIC_FEATURES,
>> +       .config   = &ksz8895_config,
>> +       .startup  = &ksz8895_startup,
>> +       .shutdown = &genphy_shutdown,
>> +};
>> +
>>  #ifndef CONFIG_PHY_MICREL_KSZ9021
>>  /*
>>   * I can't believe Micrel used the exact same part number
>> @@ -204,5 +234,6 @@ int phy_micrel_init(void)
>>         phy_register(&KS8721_driver);
>>  #endif
>>         phy_register(&ksz9031_driver);
>> +       phy_register(&ksz8895_driver);
>>         return 0;
>>  }
>> --
>> 1.7.10.4
>>
>
> Any comments?

Maybe it would be better to add a generic fixed-link phy driver to u-boot.

--
Christian Gmeiner, MSc