Re: [PATCH v3 2/2] arm64: dts: rockchip: assign clock rate for some cpll child clock

Heiko Stuebner
2018-03-23T08:45:22Z

Am Dienstag, 20. März 2018, 03:06:29 CET schrieb Lin Huang:
> These clocks do not assign default clock frequency, and use the
> default cru register value to get frequency, so if cpll increase
> frequency, these clocks also increase their frequency, that may
> exceed their signed off frequency. So assign default clock for
> them to avoid it.
>
> NOTE: on none of the boards currently in mainline do we expect
> CPLL to be anything other than 800 MHz, but some future boards
> might have it. It's still good to be explicit about the clock
> rates to make diffing against future boards easier and also to
> rely less on BIOS muxing.
>
> Change-Id: If79368aeda5c51dbf2a3b6659f17052a2ae4a401
> Signed-off-by: Lin Huang <hl-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
> Reviewed-by: Douglas Anderson <dianders-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>

applied for 4.17 (but will most likely move to 4.18) with some changes:
- dropped Change-Id
- fixed duplicate assigned clocks for dp node
- grouped aclk_vio and aclk_hdcp into one line in cru nodes
- moved assigned clocks

Heiko