Messages in this thread Patch in this message |  | | From | Andrey Smirnov <> | Subject | [PATCH 07/13] bindings: gpio-sx150x: Document "semtech,io-pull*" bindings | Date | Mon, 17 Oct 2016 07:27:02 -0700 |
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Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> --- Documentation/devicetree/bindings/gpio/gpio-sx150x.txt | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpio/gpio-sx150x.txt b/Documentation/devicetree/bindings/gpio/gpio-sx150x.txt index 02b92ae..7574137 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-sx150x.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-sx150x.txt @@ -35,6 +35,14 @@ Optional properties: polarity. For chips with fewer than 16 IO pins, high-end bits are ignored. +- semtech,io-pullup: +- semtech,io-pulldown: A bit-mask which enables-or disables the + pull-up (pull-down) resistor for each IO line + in the expander. Setting the bit at position n + will enable the pull-down for the IO at the + corresponding offset. For chips with fewer + than 16 IO pins, high-end bits are ignored. + Example: i2c_gpio_expander@20{ -- 2.5.5
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