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

Tony Lindgren tony at atomide.com
Tue Apr 4 08:56:26 PDT 2017


* Sekhar Nori <nsekhar at ti.com> [170330 07:26]:
> 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.

No need to resend, applying into omap-for-v4.12/dt-v2.

Thanks,

Tony



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