diff options
| author | Laurent Pinchart | 2013-06-18 12:29:48 +0200 |
|---|---|---|
| committer | Simon Horman | 2013-06-19 21:38:31 +0900 |
| commit | b559c3e8e7ca469921987925baf892ab2038396e (patch) | |
| tree | 1e69cf0a540184b87a570ad6f6b9e1e1a89c7543 /Documentation | |
| parent | 159f8a0209aff155af7f6fcdedd4a4484dd19c23 (diff) | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt | 18 |
1 files 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 46d76a004246..cb3dc7bcd8e6 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 |