[PATCH 2/2] drm: bridge: icn6211: Add support for external REFCLK

Marek Vasut marex at denx.de
Mon Aug 29 17:21:21 UTC 2022


On 8/29/22 16:54, Robert Foss wrote:
> Hey Marek,

Hi,

> On Mon, 1 Aug 2022 at 15:18, Marek Vasut <marex at denx.de> wrote:
>>
>> The ICN6211 is capable of deriving its internal PLL clock from either
>> MIPI DSI HS clock, external REFCLK clock, or even internal oscillator.
>> Currently supported is only the first option. Add support for external
>> REFCLK clock input in addition to that.
>>
>> There is little difference between these options, except that in case
>> of MIPI DSI HS clock input, the HS clock are pre-divided by a fixed /4
>> divider before being fed to the PLL input, while in case of external
>> REFCLK, the RECLK clock are fed directly into the PLL input.
>>
>> Per exceptionally poor documentation, the REFCLK must be in range of
>> 10..154 MHz.

[...]

> This patch looks good to me, but it doesn't apply on drm-misc-next. Do
> you mind re-spinning it?

I already see this patch in drm-misc-next, so it was applied already:

378e0f9f0b3e0 ("drm: bridge: icn6211: Add support for external REFCLK")

I think all is good ?


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