| From 907121ee5fafae98aa6b8775d98511b3e7444543 Mon Sep 17 00:00:00 2001 |
| From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> |
| Date: Tue, 18 Jun 2013 12:29:48 +0200 |
| Subject: gpio-rcar: Reference core gpio documentation in the DT bindings |
| |
| Replaced the detailed gpio-ranges documentation with a reference to the |
| code gpio DT bindings, and mention the gpio flags symbolic names. |
| |
| Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| (cherry picked from commit b559c3e8e7ca469921987925baf892ab2038396e) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| .../devicetree/bindings/gpio/renesas,gpio-rcar.txt | 18 ++++++------------ |
| 1 file changed, 6 insertions(+), 12 deletions(-) |
| |
| diff --git a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt |
| index 46d76a00..cb3dc7bc 100644 |
| --- a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt |
| +++ b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt |
| @@ -16,18 +16,12 @@ Required Properties: |
| |
| - gpio-controller: Marks the device node as a gpio controller. |
| - #gpio-cells: Should be 2. The first cell is the GPIO number and the second |
| - cell is used to specify optional parameters as bit flags. Only the GPIO |
| - active low flag (bit 0) is currently supported. |
| - - gpio-ranges: Range of pins managed by the GPIO controller as a 4-cells |
| - tuple using the following syntax. |
| - |
| - <[phandle of the pin controller node] |
| - 0 |
| - [index of the first pin] |
| - [number of pins]> |
| - |
| -Please refer to gpio.txt in this directory for details of the common GPIO |
| -bindings used by client devices. |
| + cell specifies GPIO flags, as defined in <dt-bindings/gpio/gpio.h>. Only the |
| + GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported. |
| + - gpio-ranges: Range of pins managed by the GPIO controller. |
| + |
| +Please refer to gpio.txt in this directory for details of gpio-ranges property |
| +and the common GPIO bindings used by client devices. |
| |
| Example: R8A7779 (R-Car H1) GPIO controller nodes |
| |
| -- |
| 1.8.4.3.gca3854a |
| |
