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[1/2] gpio-rcar: Reference core gpio documentation in the DT bindings

Message ID 1371496527-13149-2-git-send-email-laurent.pinchart+renesas@ideasonboard.com (mailing list archive)
State New, archived
Headers show

Commit Message

Laurent Pinchart June 17, 2013, 7:15 p.m. UTC 
Replaced the detailed gpio-ranges documentation with a reference to the
code gpio DT bindings, and mention the gpio flags symbolic names.

Cc: devicetree-discuss@lists.ozlabs.org
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
---
 .../devicetree/bindings/gpio/renesas,gpio-rcar.txt     | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

Comments

Linus Walleij June 19, 2013, 7:16 p.m. UTC | #1 
On Mon, Jun 17, 2013 at 9:15 PM, Laurent Pinchart
<laurent.pinchart+renesas@ideasonboard.com> wrote:

> Replaced the detailed gpio-ranges documentation with a reference to the
> code gpio DT bindings, and mention the gpio flags symbolic names.
>
> Cc: devicetree-discuss@lists.ozlabs.org
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

Acked-by: Linus Walleij <linus.walleij@linaro.org>

Yours,
Linus Walleij
diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
index 46d76a0..cb3dc7b 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