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[2/3] gpio: rcar: Add r8a7791 support to the DT bindings

Message ID 1397633319-16727-3-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman April 16, 2014, 7:28 a.m. UTC 
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

The r8a7791 (R-Car M2) has a GPIO controller with additional features
compared to the generic renesas,gpio-rcar compatible devices. Add a
model-specific string to let the driver enable these features.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
(cherry picked from commit 612575255635f67f09f6261114f58965f2062584)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
index 8655df9..f61cef7 100644
--- a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
+++ b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt
@@ -2,10 +2,11 @@ 
 
 Required Properties:
 
-  - compatible: should be one of the following.
+  - compatible: should contain one of the following.
     - "renesas,gpio-r8a7778": for R8A7778 (R-Mobile M1) compatible GPIO controller.
     - "renesas,gpio-r8a7779": for R8A7779 (R-Car H1) compatible GPIO controller.
     - "renesas,gpio-r8a7790": for R8A7790 (R-Car H2) compatible GPIO controller.
+    - "renesas,gpio-r8a7791": for R8A7791 (R-Car M2) compatible GPIO controller.
     - "renesas,gpio-rcar": for generic R-Car GPIO controller.
 
   - reg: Base address and length of each memory resource used by the GPIO