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authorGeert Uytterhoeven <geert+renesas@glider.be>2014-04-14 20:33:12 +0200
committerLinus Walleij <linus.walleij@linaro.org>2014-04-28 12:35:09 -0700
commit370a4516e401af82dcd89c34a99346c5869a879c (patch)
tree838057f1fbd3dda7b5ba57665f913757944fa2ff /Documentation/devicetree/bindings/gpio
parent7e9fcc9d62626c752e38d5eeb78687d006fc24cf (diff)
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>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
-rw-r--r--Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
index f61cef74a212..941a26aa4322 100644
--- a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
+++ b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
@@ -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.

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