path: root/Documentation
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authorBarry Song <Baohua.Song@csr.com>2012-12-14 17:15:59 +0800
committerLinus Walleij <linus.walleij@linaro.org>2012-12-26 01:59:53 +0100
commitfc2b04e7fbd119f4bf41b6821d2f8ce4bf9ae417 (patch)
treed95f74f2dc4f380f74edb724cae68b9b5304831d /Documentation
parent408f181e0d4210ef7c77e825289d31fac530291c (diff)
pinctrl: sirf: enable GPIO pullup/down configuration from dts
commit 7bec207427c2efb794 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>
Diffstat (limited to 'Documentation')
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt
index a2896df702a..c596a6ad328 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt
@@ -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.