Adds documentation on how to use the sun6i_hwspinlock driver for sun6i
compatible series SoCs.
Reviewed-by: NSamuel Holland <samuel@sholland.org>
Acked-by: NMaxime Ripard <maxime@cerno.tech>
Signed-off-by: NWilken Gottwalt <wilken.gottwalt@posteo.net>
Link: https://lore.kernel.org/r/b7a1f5532e0ae474473858055fd9bbabff9e1449.1615713499.git.wilken.gottwalt@posteo.netSigned-off-by: NBjorn Andersson <bjorn.andersson@linaro.org>