mirror of
https://github.com/torvalds/linux.git
synced 2024-12-29 14:21:47 +00:00
ae495e844a
The irq_to_gpio() is old, most platforms use GENERIC_GPIO framework and don't support this API anymore. The i.MX6q sabrelite platform equips an egalax touchscreen controller, and this platform already transfered to GENERIC_GPIO framework, to support this driver, we use a more generic way to get gpio. Add a return value checking for waking up the controller in the probe function, this guarantee only a workable device can pass init. [dmitry.torokhov@gmail.com: Make driver depend on CONFIG_OF as it is now required.] Acked-by Zhang Jiejing <jiejing.zhang@freescale.com> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Hui Wang <jason77.wang@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
20 lines
491 B
Plaintext
20 lines
491 B
Plaintext
* EETI eGalax Multiple Touch Controller
|
|
|
|
Required properties:
|
|
- compatible: must be "eeti,egalax_ts"
|
|
- reg: i2c slave address
|
|
- interrupt-parent: the phandle for the interrupt controller
|
|
- interrupts: touch controller interrupt
|
|
- wakeup-gpios: the gpio pin to be used for waking up the controller
|
|
as well as uased as irq pin
|
|
|
|
Example:
|
|
|
|
egalax_ts@04 {
|
|
compatible = "eeti,egalax_ts";
|
|
reg = <0x04>;
|
|
interrupt-parent = <&gpio1>;
|
|
interrupts = <9 2>;
|
|
wakeup-gpios = <&gpio1 9 0>;
|
|
};
|