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gpio: rcar: Add optional functional clock to bindings

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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: linux-gpio@vger.kernel.org
Cc: devicetree@vger.kernel.org
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Geert Uytterhoeven 2014-04-14 20:33:12 +02:00 committed by Linus Walleij
parent 7e9fcc9d62
commit 370a4516e4
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
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@ -21,6 +21,12 @@ Required Properties:
GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported.
- gpio-ranges: Range of pins managed by the GPIO controller.
Optional properties:
- clocks: Must contain a reference to the functional clock. The property is
mandatory if the hardware implements a controllable functional clock for
the GPIO instance.
Please refer to gpio.txt in this directory for details of gpio-ranges property
and the common GPIO bindings used by client devices.