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-rw-r--r--dts/Bindings/gpio/gpio-tz1090-pdc.txt45
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diff --git a/dts/Bindings/gpio/gpio-tz1090-pdc.txt b/dts/Bindings/gpio/gpio-tz1090-pdc.txt
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--- a/dts/Bindings/gpio/gpio-tz1090-pdc.txt
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-ImgTec TZ1090 PDC GPIO Controller
-
-Required properties:
-- compatible: Compatible property value should be "img,tz1090-pdc-gpio".
-
-- reg: Physical base address of the controller and length of memory mapped
- region. This starts at and cover the SOC_GPIO_CONTROL registers.
-
-- gpio-controller: Specifies that the node is a gpio controller.
-
-- #gpio-cells: Should be 2. The syntax of the gpio specifier used by client
- nodes should have the following values.
- <[phandle of the gpio controller node]
- [PDC gpio number]
- [gpio flags]>
-
- Values for gpio specifier:
- - GPIO number: a value in the range 0 to 6.
- - GPIO flags: bit field of flags, as defined in <dt-bindings/gpio/gpio.h>.
- Only the following flags are supported:
- GPIO_ACTIVE_HIGH
- GPIO_ACTIVE_LOW
-
-Optional properties:
-- gpio-ranges: Mapping to pin controller pins (as described in
- Documentation/devicetree/bindings/gpio/gpio.txt)
-
-- interrupts: Individual syswake interrupts (other GPIOs cannot interrupt)
-
-
-Example:
-
- pdc_gpios: gpio-controller@2006500 {
- gpio-controller;
- #gpio-cells = <2>;
-
- compatible = "img,tz1090-pdc-gpio";
- reg = <0x02006500 0x100>;
-
- interrupt-parent = <&pdc>;
- interrupts = <8 IRQ_TYPE_NONE>, /* Syswake 0 */
- <9 IRQ_TYPE_NONE>, /* Syswake 1 */
- <10 IRQ_TYPE_NONE>; /* Syswake 2 */
- gpio-ranges = <&pdc_pinctrl 0 0 7>;
- };