[PATCH] ARM: dts: Specify default clocks for Exynos4 FIMC devices

Daniel Drake drake at endlessm.com
Thu Sep 18 16:53:40 PDT 2014


On Wed, Sep 10, 2014 at 10:37 AM, Sylwester Nawrocki
<s.nawrocki at samsung.com> wrote:
> The default mux and divider clocks are specified in device tree
> so that the FIMC devices in Exynos4210 and Exynos4x12 SoCs are
> clocked from recommended clock source and with maximum supported
> frequency. If needed these settings could be overrode in board
> specific dts files, however they are in practice optimal in most
> cases.

Another consideration for this patch.

fimc-core.c already has probe-time code that tries to set the clock
frequency, using a clock-frequency property in the DT, and falling
back to a hardcoded value in the driver. Maybe it is best to just set
the clock rate from one place.

Daniel



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