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authorArnd Bergmann2013-06-21 15:15:57 +0200
committerArnd Bergmann2013-06-21 15:15:57 +0200
commite7692e2cfd51324dad04273c97f025eaa3899aff (patch)
tree296e493278431c5213e4665c73f5f09bac7859de /Documentation
parentd405534dcd1e17429befc0e38048c73a3affd2b9 (diff)
parente305062e94719ef543ae936dd56501b5a36406c6 (diff)
Merge tag 'renesas-gpio-rcar2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
From Simon Horman: Second Round of Renesas ARM based SoC GPIO R-Car updates for v3.11 Documentation enhancement and code cleanup by Laurent Pinchart. * tag 'renesas-gpio-rcar2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: gpio-rcar: Remove #ifdef CONFIG_OF around OF-specific sections gpio-rcar: Reference core gpio documentation in the DT bindings Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt18
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