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pinctrl: sirf: enable GPIO pullup/down configuration from dts

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commit 7bec207427 remove sirfsoc_gpio_set_pull function,
this patches takes the feature back by adding sirf,pullups and
sirf,pulldowns prop in dts, and the driver will set the GPIO
pull according to the dts.

Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Barry Song
2012-12-14 17:15:59 +08:00
committed by Linus Walleij
parent 408f181e0d
commit fc2b04e7fb
2 changed files with 51 additions and 0 deletions
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Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt
+3
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@@ -6,6 +6,9 @@ Required properties:
- interrupts : Interrupts used by every GPIO group
- gpio-controller : Indicates this device is a GPIO controller
- interrupt-controller : Marks the device node as an interrupt controller
Optional properties:
- sirf,pullups : if n-th bit of m-th bank is set, set a pullup on GPIO-n of bank m
- sirf,pulldowns : if n-th bit of m-th bank is set, set a pulldown on GPIO-n of bank m
Please refer to pinctrl-bindings.txt in this directory for details of the common
pinctrl bindings used by client devices.