[PATCH] ARM: dts: am57xx-idk: Add DCAN support

[Sekhar Nori]

Hi Tony,

On Tuesday 07 March 2017 12:11 AM, Tony Lindgren wrote:
> * Sekhar Nori <nsekhar at ti.com> [170221 02:13]:
>> On Tuesday 21 February 2017 03:30 PM, Sekhar Nori wrote:
>>> From: Schuyler Patton <spatton at ti.com>
>>>
>>> AM571x IDK and the AM572x IDK use CAN1 interface.
>>> This patch enables it for both boards.
>>>
>>> Tested on AM572x IDK using cansequence.
>>>
>>> Signed-off-by: Schuyler Patton <spatton at ti.com>
>>> Signed-off-by: Kishon Vijay Abraham I <kishon at ti.com>
>>> Signed-off-by: Franklin S Cooper Jr <fcooper at ti.com>
>>> [nsekhar at ti.com: move to use DRA7XX_CORE_IOPAD())
>>> Signed-off-by: Sekhar Nori <nsekhar at ti.com>
>>
>> I should have noted that although CAN does function on the IDK with this
>> patch, there are "omap_hwmod: dcan1: _wait_target_disable failed"
>> messages that come up due to lack of workaround for errata i893[1]
>>
>> Roger does have some patches to workaround that errata. If you want to
>> wait for those patches to be submitted and accepted first, it should be
>> fine as well.
> 
> OK let's wait a bit on this then to avoid introducing extra warnings.

Now that Roger's hwmod patches for the DCAN errata are in linux-next,
this patch can be applied safely. Let me know if you need me to resend it.

Thanks,
Sekhar