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gpio: rcar: Add optional functional clock to bindings
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>
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@ -21,6 +21,12 @@ Required Properties:
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GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported.
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- gpio-ranges: Range of pins managed by the GPIO controller.
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Optional properties:
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- clocks: Must contain a reference to the functional clock. The property is
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mandatory if the hardware implements a controllable functional clock for
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the GPIO instance.
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Please refer to gpio.txt in this directory for details of gpio-ranges property
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and the common GPIO bindings used by client devices.
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