The HSSPI block actually has two clock inputs, one for gating the block,
and one for the PLL rate. To allow these to be represented as two clocks,
add support for retrieving the rate from a separate "pll" clock, if the
"hsspi" clock does not provide one.
Signed-off-by: NJonas Gorski <jonas.gorski@gmail.com>
Acked-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NMark Brown <broonie@kernel.org>