27 lines
866 B
Plaintext
27 lines
866 B
Plaintext
Nintendo Wii (Hollywood) GPIO controller
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Required properties:
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- compatible: "nintendo,hollywood-gpio"
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- reg: Physical base address and length of the controller's registers.
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- gpio-controller: Marks the device node as a GPIO controller.
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- #gpio-cells: Should be <2>. The first cell is the pin number and the
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second cell is used to specify optional parameters:
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- bit 0 specifies polarity (0 for normal, 1 for inverted).
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Optional properties:
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- ngpios: see Documentation/devicetree/bindings/gpio/gpio.txt
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- interrupt-controller: Marks the device node as an interrupt controller.
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- #interrupt-cells: Should be two.
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- interrupts: Interrupt specifier for the controller's Broadway (PowerPC)
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interrupt.
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Example:
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GPIO: gpio@d8000c0 {
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#gpio-cells = <2>;
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compatible = "nintendo,hollywood-gpio";
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reg = <0x0d8000c0 0x40>;
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gpio-controller;
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ngpios = <24>;
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}
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