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Input: twl4030-pwrbutton - add device tree support 

Add device tree support for twl4030 power button driver.

Adding device tree support involved converting the
driver to module_platform_driver().

Signed-off-by: Sebastian Reichel <sre@debian.org>
Acked-by: Kumar Gala <galak@codeaurora.org>
Tested-by: Florian Vaussard <florian.vaussard@epfl.ch>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
hifive-unleashed-5.1
Sebastian Reichel 2013-11-19 13:55:12 -08:00 committed by Dmitry Torokhov
parent fd91a5f013
commit c81e592696
2 changed files with 33 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
Documentation/devicetree/bindings/input/twl4030-pwrbutton.txt 100644
View File

@ -0,0 +1,21 @@
Texas Instruments TWL family (twl4030) pwrbutton module
This module is part of the TWL4030. For more details about the whole
chip see Documentation/devicetree/bindings/mfd/twl-familly.txt.
This module provides a simple power button event via an Interrupt.
Required properties:
- compatible: should be one of the following
- "ti,twl4030-pwrbutton": For controllers compatible with twl4030
- interrupts: should be one of the following
- <8>: For controllers compatible with twl4030
Example:
&twl {
twl_pwrbutton: pwrbutton {
compatible = "ti,twl4030-pwrbutton";
interrupts = <8>;
};
};

16
drivers/input/misc/twl4030-pwrbutton.c
View File

@ -52,7 +52,7 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr)
return IRQ_HANDLED;
}
static int __init twl4030_pwrbutton_probe(struct platform_device *pdev)
static int twl4030_pwrbutton_probe(struct platform_device *pdev)
{
struct input_dev *pwr;
int irq = platform_get_irq(pdev, 0);
@ -106,16 +106,24 @@ static int __exit twl4030_pwrbutton_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_OF
static const struct of_device_id twl4030_pwrbutton_dt_match_table[] = {
{ .compatible = "ti,twl4030-pwrbutton" },
{},
};
MODULE_DEVICE_TABLE(of, twl4030_pwrbutton_dt_match_table);
#endif
static struct platform_driver twl4030_pwrbutton_driver = {
.probe = twl4030_pwrbutton_probe,
.remove = __exit_p(twl4030_pwrbutton_remove),
.driver = {
.name = "twl4030_pwrbutton",
.owner = THIS_MODULE,
.of_match_table = of_match_ptr(twl4030_pwrbutton_dt_match_table),
},
};
module_platform_driver_probe(twl4030_pwrbutton_driver,
twl4030_pwrbutton_probe);
module_platform_driver(twl4030_pwrbutton_driver);
MODULE_ALIAS("platform:twl4030_pwrbutton");
MODULE_DESCRIPTION("Triton2 Power Button");