From: Lorenzo Bianconi Date: Wed, 21 Jun 2017 19:21:29 +0000 (+0200) Subject: dt-bindings: iio: imu: st_lsm6dsx: support open drain mode X-Git-Tag: v4.14-rc1~148^2~364^2~57 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e69076639d876d79d62ed2ad5fb642171398b020;p=platform%2Fkernel%2Flinux-rpi.git dt-bindings: iio: imu: st_lsm6dsx: support open drain mode Signed-off-by: Lorenzo Bianconi Acked-by: Rob Herring Signed-off-by: Jonathan Cameron --- diff --git a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt index 6f28ff5..1ff1af7 100644 --- a/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt +++ b/Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt @@ -11,6 +11,14 @@ Required properties: Optional properties: - st,drdy-int-pin: the pin on the package that will be used to signal "data ready" (valid values: 1 or 2). +- drive-open-drain: the interrupt/data ready line will be configured + as open drain, which is useful if several sensors share the same + interrupt line. This is a boolean property. + (This binding is taken from pinctrl/pinctrl-bindings.txt) + If the requested interrupt is configured as IRQ_TYPE_LEVEL_HIGH or + IRQ_TYPE_EDGE_RISING a pull-down resistor is needed to drive the line + when it is not active, whereas a pull-up one is needed when interrupt + line is configured as IRQ_TYPE_LEVEL_LOW or IRQ_TYPE_EDGE_FALLING. - interrupt-parent: should be the phandle for the interrupt controller - interrupts: interrupt mapping for IRQ. It should be configured with flags IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_EDGE_RISING, IRQ_TYPE_LEVEL_LOW or