diff options
| author | Rohit Vaswani <rvaswani@codeaurora.org> | 2013-06-10 15:50:21 -0700 |
|---|---|---|
| committer | David Brown <davidb@codeaurora.org> | 2013-06-12 14:50:12 -0700 |
| commit | 43f68444bce70e360ff6ce3653a54e511625f651 (patch) | |
| tree | 31a695accad61e88f5f584acca4d9abc0d708eea /Documentation/devicetree/bindings/gpio | |
| parent | eda9dcfa56f4864e0e4340f5af3f3e39f514b726 (diff) | |
gpio: msm: Add device tree and irqdomain support for gpio-msm-v2
This cleans up the gpio-msm-v2 driver of all the global define usage.
The number of gpios are now defined in the device tree. This enables
adding irqdomain support as well.
Signed-off-by: Rohit Vaswani <rvaswani@codeaurora.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
Diffstat (limited to 'Documentation/devicetree/bindings/gpio')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-msm.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-msm.txt b/Documentation/devicetree/bindings/gpio/gpio-msm.txt new file mode 100644 index 000000000000..ac20e68a004e --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-msm.txt @@ -0,0 +1,26 @@ +MSM GPIO controller bindings + +Required properties: +- compatible: + - "qcom,msm-gpio" for MSM controllers +- #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 +- interrupts : Specify the TLMM summary interrupt number +- ngpio : Specify the number of MSM GPIOs + +Example: + + msmgpio: gpio@fd510000 { + compatible = "qcom,msm-gpio"; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0xfd510000 0x4000>; + interrupts = <0 208 0>; + ngpio = <150>; + }; |