[PATCH 1/1] Fix wrong QSPI clock calculation for AM4372

Tom Rini trini at konsulko.com
Mon Jan 17 19:36:23 CET 2022


On Tue, Nov 30, 2021 at 01:06:56AM +0100, Stefan Mätje wrote:

> On AM4372 the SPI_GCLK input gets its clock from the PRCM module which
> divides the PER_CLKOUTM2 frequency (192MHz) by a fixed factor of 4.
> See AM437x Reference Manual in section 27 QSPI >> 27.2 Integration.
> 
> The QSPI_FCLK therefore needs to take this factor into account and
> becomes (192000000 / 4).
> 
> Signed-off-by: Stefan Mätje <stefan.maetje at esd.eu>

Applied to u-boot/master, thanks!

-- 
Tom
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