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-SEMTECH SX150x GPIO expander bindings
-
-
-Required properties:
-
-- compatible: should be "semtech,sx1506q",
- "semtech,sx1508q",
- "semtech,sx1509q",
- "semtech,sx1502q".
-
-- reg: The I2C slave address for this device.
-
-- interrupt-parent: phandle of the parent interrupt controller.
-
-- interrupts: Interrupt specifier for the controllers interrupt.
-
-- #gpio-cells: Should be 2. The first cell is the GPIO number and the
- second cell is used to specify optional parameters:
- bit 0: polarity (0: normal, 1: inverted)
-
-- gpio-controller: Marks the device as a GPIO controller.
-
-- interrupt-controller: Marks the device as a interrupt controller.
-
-The GPIO expander can optionally be used as an interrupt controller, in
-which case it uses the default two cell specifier as described in
-Documentation/devicetree/bindings/interrupt-controller/interrupts.txt.
-
-Example:
-
- i2c_gpio_expander@20{
- #gpio-cells = <2>;
- #interrupt-cells = <2>;
- compatible = "semtech,sx1506q";
- reg = <0x20>;
- interrupt-parent = <&gpio_1>;
- interrupts = <16 0>;
-
- gpio-controller;
- interrupt-controller;
- };