[PATCH v3] clk: at91: utmi: set the mainck rate
Ingo van Lil
inguin at gmx.de
Wed Sep 6 03:25:01 PDT 2017
On 09/06/2017 11:51 AM, Ludovic Desroches wrote:
> By default, it is assumed that the UTMI clock is generated from a 12 MHz
> reference clock (MAINCK). If it's not the case, the FREQ field of the
> SFR_UTMICKTRIM has to be updated to generate the UTMI clock in the
> proper way.
> The UTMI clock has a fixed rate of 480 MHz. In fact, there is no
> multiplier we can configure. The multiplier is managed internally,
> depending on the reference clock frequency, to achieve the target of
> 480 MHz.
> Signed-off-by: Ludovic Desroches <ludovic.desroches at microchip.com>
Works fine with all my boards. Thanks!
Acked-by: Ingo van Lil <inguin at gmx.de>
More information about the linux-arm-kernel