From d9a15385467936649b6c2cfeb7ab377002ddce0f Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 29 Sep 2016 14:38:07 +0200 Subject: dts: update to v4.8-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/gpio/gpio_oxnas.txt | 47 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 dts/Bindings/gpio/gpio_oxnas.txt (limited to 'dts/Bindings/gpio/gpio_oxnas.txt') diff --git a/dts/Bindings/gpio/gpio_oxnas.txt b/dts/Bindings/gpio/gpio_oxnas.txt new file mode 100644 index 0000000000..928ed4f439 --- /dev/null +++ b/dts/Bindings/gpio/gpio_oxnas.txt @@ -0,0 +1,47 @@ +* Oxford Semiconductor OXNAS SoC GPIO Controller + +Please refer to gpio.txt for generic information regarding GPIO bindings. + +Required properties: + - compatible: "oxsemi,ox810se-gpio" + - reg: Base address and length for the device. + - interrupts: The port interrupt shared by all pins. + - gpio-controller: Marks the port as GPIO controller. + - #gpio-cells: Two. The first cell is the pin number and + the second cell is used to specify the gpio polarity as defined in + defined in : + 0 = GPIO_ACTIVE_HIGH + 1 = GPIO_ACTIVE_LOW + - interrupt-controller: Marks the device node as an interrupt controller. + - #interrupt-cells: Two. The first cell is the GPIO number and second cell + is used to specify the trigger type as defined in + : + IRQ_TYPE_EDGE_RISING + IRQ_TYPE_EDGE_FALLING + IRQ_TYPE_EDGE_BOTH + - gpio-ranges: Interaction with the PINCTRL subsystem, it also specifies the + gpio base and count, should be in the format of numeric-gpio-range as + specified in the gpio.txt file. + +Example: + +gpio0: gpio@0 { + compatible = "oxsemi,ox810se-gpio"; + reg = <0x000000 0x100000>; + interrupts = <21>; + #gpio-cells = <2>; + gpio-controller; + interrupt-controller; + #interrupt-cells = <2>; + gpio-ranges = <&pinctrl 0 0 32>; +}; + +keys { + ... + + button-esc { + label = "ESC"; + linux,code = <1>; + gpios = <&gpio0 12 0>; + }; +}; -- cgit v1.2.3