提交 6ee6fbde 编写于 作者: S Sean Wang 提交者: Linus Walleij

dt-bindings: pinctrl: add external interrupt support to MT7622 pinctrl

Extend the capability of MT7622 pinctrl with adding EINT so that each
GPIO can be used to notify CPU when a signal state is changing on the
line as an external interrupt.
Signed-off-by: NSean Wang <sean.wang@mediatek.com>
Reviewed-by: NRob Herring <robh@kernel.org>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
上级 c2b39dec
......@@ -9,6 +9,16 @@ Required properties for the root node:
- #gpio-cells: Should be two. The first cell is the pin number and the
second is the GPIO flags.
Optional properties:
- interrupt-controller : Marks the device node as an interrupt controller
If the property interrupt-controller is defined, following property is required
- reg-names: A string describing the "reg" entries. Must contain "eint".
- interrupts : The interrupt output from the controller.
- #interrupt-cells: Should be two.
- interrupt-parent: Phandle of the interrupt parent to which the external
GPIO interrupts are forwarded to.
Please refer to pinctrl-bindings.txt in this directory for details of the
common pinctrl bindings used by client devices, including the meaning of the
phrase "pin configuration node".
......
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