[PATCH] ARM: at91: support sama5 low level clock setup with oscillator

[Sascha Hauer]

On Mon, Sep 28, 2020 at 12:08:09PM +0200, Ahmad Fatoum wrote:
> AT91Bootstrap has a CONFIG_MCK_BYPASS option with following help text:
> 
>   "Use external 8 to 24 Mhz clock signal as source of main clock
>   instead of an external crystal oscillator.
>   This option disables the internal driving on the XOUT pin.
>   The external source has to provide a stable clock on the XIN pin.
>   If this option is disabled, the SoC expects a crystal oscillator
>   that needs driving on both XIN and XOUT lines."
> 
> When the low level clock setup was ported over from AT91Bootstrap,
> this config option was dropped. It wasn't necessary for the xplained
> boards that have a crystal, but for ones with an oscillator, it's
> required. Add the bit flag back.
> 
> Suggested-by: Michael Grzeschik <mgr at pengutronix.de>
> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> ---
>  arch/arm/mach-at91/at91_pmc_ll.c              | 2 ++
>  arch/arm/mach-at91/include/mach/at91_pmc_ll.h | 5 +++++
>  2 files changed, 7 insertions(+)

Applied, thanks

Sascha


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