From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- .../bindings/gpio/nintendo,hollywood-gpio.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt (limited to 'Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt') diff --git a/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt b/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt new file mode 100644 index 000000000..df63da463 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/nintendo,hollywood-gpio.txt @@ -0,0 +1,26 @@ +Nintendo Wii (Hollywood) GPIO controller + +Required properties: +- compatible: "nintendo,hollywood-gpio" +- reg: Physical base address and length of the controller's registers. +- gpio-controller: Marks the device node as a GPIO controller. +- #gpio-cells: Should be <2>. The first cell is the pin number and the + second cell is used to specify optional parameters: + - bit 0 specifies polarity (0 for normal, 1 for inverted). + +Optional properties: +- ngpios: see Documentation/devicetree/bindings/gpio/gpio.txt +- interrupt-controller: Marks the device node as an interrupt controller. +- #interrupt-cells: Should be two. +- interrupts: Interrupt specifier for the controller's Broadway (PowerPC) + interrupt. + +Example: + + GPIO: gpio@d8000c0 { + #gpio-cells = <2>; + compatible = "nintendo,hollywood-gpio"; + reg = <0x0d8000c0 0x40>; + gpio-controller; + ngpios = <24>; + } -- cgit v1.2.3