tree 3134cec5861254f1bfa750073e93305a19c36b4a
parent 625ab11fdae3daf346647aaba59abee804e34589
author David Wu <david.wu@rock-chips.com> 1555422994 +0800
committer Kever Yang <kever.yang@rock-chips.com> 1557308052 +0800

pinctrl: rockchip: Special treatment for RK3288 gpio0 pins' drive strength

RK3288 pmu_gpio0 drive strength setting have no higher 16 writing
corresponding bits, need to read before write the register.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>