pinctrl: sprd: Add pin high impedance mode support
authorLinhua Xu <linhua.xu@unisoc.com>
Wed, 25 Mar 2020 08:25:28 +0000 (16:25 +0800)
committerLinus Walleij <linus.walleij@linaro.org>
Fri, 27 Mar 2020 21:08:46 +0000 (22:08 +0100)
commit1592c4b9935fa8a3b7c297955bb872a357e5a3b6
tree224b21691f34c0421a08e376645e4e7747772642
parentbb0f472f96fa2bda2c3e412cd84f16b15d992a56
pinctrl: sprd: Add pin high impedance mode support

For Spreadtrum pin controller, it will be the high impedance
mode if disable input and output mode for a pin. Thus add
PIN_CONFIG_BIAS_HIGH_IMPEDANCE configuration to support it.

Signed-off-by: Linhua Xu <linhua.xu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang7@gmail.com>
Link: https://lore.kernel.org/r/3bdac4c2673b54c940e511f3fa569ee33b87b8d5.1585124562.git.baolin.wang7@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/pinctrl/sprd/pinctrl-sprd.c