RK809 and RK817 are power management IC chips for multimedia products.
most of their functions and registers are same, including the clkout
funciton.
Signed-off-by: Tony Xie <tony.xie@rock-chips.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>