diff options
| author | Benoit Cousson <b-cousson@ti.com> | 2012-02-29 22:51:32 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-03-22 13:05:55 +0100 |
| commit | b8589e2a8065b8e7773742b60ae96b63b757bb69 (patch) | |
| tree | ad20ba6cc9205cbaf0e99c444cfca22e1e44db17 /Documentation | |
| parent | gpio/twl: Allocate irq_desc dynamically for SPARSE_IRQ support (diff) | |
| download | linux-b8589e2a8065b8e7773742b60ae96b63b757bb69.tar.xz linux-b8589e2a8065b8e7773742b60ae96b63b757bb69.zip | |
gpio/twl: Add DT support to gpio-twl4030 driver
Add the DT support for the I2C GPIO expander inside the twl4030.
Note: The pdata parameters still have to be properly adapted using
dedicated bindings.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-twl4030.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-twl4030.txt b/Documentation/devicetree/bindings/gpio/gpio-twl4030.txt new file mode 100644 index 000000000000..16695d9cf1e8 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-twl4030.txt @@ -0,0 +1,23 @@ +twl4030 GPIO controller bindings + +Required properties: +- compatible: + - "ti,twl4030-gpio" for twl4030 GPIO controller +- #gpio-cells : Should be two. + - first cell is the pin number + - second cell is used to specify optional parameters (unused) +- gpio-controller : Marks the device node as a GPIO controller. +- #interrupt-cells : Should be 2. +- interrupt-controller: Mark the device node as an interrupt controller + The first cell is the GPIO number. + The second cell is not used. + +Example: + +twl_gpio: gpio { + compatible = "ti,twl4030-gpio"; + #gpio-cells = <2>; + gpio-controller; + #interrupt-cells = <2>; + interrupt-controller; +}; |