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-STMicroelectonics Multi-Function eXpander (STMFX) Core bindings
-
-ST Multi-Function eXpander (STMFX) is a slave controller using I2C for
-communication with the main MCU. Its main features are GPIO expansion, main
-MCU IDD measurement (IDD is the amount of current that flows through VDD) and
-resistive touchscreen controller.
-
-Required properties:
-- compatible: should be "st,stmfx-0300".
-- reg: I2C slave address of the device.
-- interrupts: interrupt specifier triggered by MFX_IRQ_OUT signal.
- Please refer to ../interrupt-controller/interrupt.txt
-
-Optional properties:
-- drive-open-drain: configure MFX_IRQ_OUT as open drain.
-- vdd-supply: phandle of the regulator supplying STMFX.
-
-Example:
-
- stmfx: stmfx@42 {
- compatible = "st,stmfx-0300";
- reg = <0x42>;
- interrupts = <8 IRQ_TYPE_EDGE_RISING>;
- interrupt-parent = <&gpioi>;
- vdd-supply = <&v3v3>;
- };
-
-Please refer to ../pinctrl/pinctrl-stmfx.txt for STMFX GPIO expander function bindings.