[PATCH v2] ARM: dts: i.MX35: Fix can support.
mkl at pengutronix.de
Thu Jul 23 02:54:47 PDT 2015
On 07/23/2015 11:48 AM, Stefan Wahren wrote:
> Am 23.07.2015 um 11:29 schrieb Marc Kleine-Budde:
>> On 07/23/2015 10:58 AM, Stefan Wahren wrote:
>>> Hi Denis,
>>> [ add Marc to CC ]
>>> Am 23.07.2015 um 10:31 schrieb Denis Carikli:
>>>> Since commit 3d42a379b6fa5b46058e3302b1802b29f64865bb
>>>> ("can: flexcan: add 2nd clock to support imx53 and newer")
>>>> the can driver requires a dt nodes to have a second clock.
>>>> Add them to imx35 to fix probing the flex can driver on the
>>>> respective platforms.
>>> could you describe the problem more in detail or do you have a log in
>>> case the probing failed?
>>> According to Marc's commit this fix shouldn't be necessary.
>> In the pre DT era and without a clock name, a single clock is
>> sufficient. But with clock name or DT with clock-name you need both a
>> "ipg" and a "per" clock. The imx35.dtsi was added with one clock only,
>> so it was probably never working on mx35 with DT.
> Okay the other plaforms like mx25 and mx28 already had 2 clocks defined.
> But why doesn't say the binding doc nothing about those required clocks?
Good question - Dokumentation bug...
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