diff options
Diffstat (limited to 'Documentation/devicetree/bindings/iio/humidity/hts221.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/humidity/hts221.txt | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/iio/humidity/hts221.txt b/Documentation/devicetree/bindings/iio/humidity/hts221.txt index b20ab9c12080..10adeb0d703d 100644 --- a/Documentation/devicetree/bindings/iio/humidity/hts221.txt +++ b/Documentation/devicetree/bindings/iio/humidity/hts221.txt @@ -5,9 +5,18 @@ Required properties: - reg: i2c address of the sensor / spi cs line Optional properties: +- 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. + 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. + Refer to pinctrl/pinctrl-bindings.txt for the property description. - 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 or IRQ_TYPE_EDGE_RISING. + flags IRQ_TYPE_LEVEL_HIGH, IRQ_TYPE_EDGE_RISING, IRQ_TYPE_LEVEL_LOW or + IRQ_TYPE_EDGE_FALLING. Refer to interrupt-controller/interrupts.txt for generic interrupt client node bindings. |