Enable runtime PM so that the clock used to access the registers in the
peripheral is turned on using a clock domain.
Signed-off-by: NPhil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: NGareth Williams <gareth.williams.jx@renesas.com>
Link: https://lore.kernel.org/r/1568793876-9009-4-git-send-email-gareth.williams.jx@renesas.comSigned-off-by: NMark Brown <broonie@kernel.org>