forked from Minki/linux
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>
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Texas Instruments TWL family (twl4030) pwrbutton module
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This module is part of the TWL4030. For more details about the whole
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chip see Documentation/devicetree/bindings/mfd/twl-familly.txt.
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This module provides a simple power button event via an Interrupt.
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Required properties:
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- compatible: should be one of the following
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- "ti,twl4030-pwrbutton": For controllers compatible with twl4030
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- interrupts: should be one of the following
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- <8>: For controllers compatible with twl4030
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Example:
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&twl {
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twl_pwrbutton: pwrbutton {
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compatible = "ti,twl4030-pwrbutton";
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interrupts = <8>;
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};
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};
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@ -52,7 +52,7 @@ static irqreturn_t powerbutton_irq(int irq, void *_pwr)
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return IRQ_HANDLED;
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}
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static int __init twl4030_pwrbutton_probe(struct platform_device *pdev)
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static int twl4030_pwrbutton_probe(struct platform_device *pdev)
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{
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struct input_dev *pwr;
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int irq = platform_get_irq(pdev, 0);
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@ -106,16 +106,24 @@ static int __exit twl4030_pwrbutton_remove(struct platform_device *pdev)
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return 0;
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}
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#ifdef CONFIG_OF
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static const struct of_device_id twl4030_pwrbutton_dt_match_table[] = {
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{ .compatible = "ti,twl4030-pwrbutton" },
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{},
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};
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MODULE_DEVICE_TABLE(of, twl4030_pwrbutton_dt_match_table);
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#endif
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static struct platform_driver twl4030_pwrbutton_driver = {
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.probe = twl4030_pwrbutton_probe,
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.remove = __exit_p(twl4030_pwrbutton_remove),
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.driver = {
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.name = "twl4030_pwrbutton",
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.owner = THIS_MODULE,
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.of_match_table = of_match_ptr(twl4030_pwrbutton_dt_match_table),
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},
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};
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module_platform_driver_probe(twl4030_pwrbutton_driver,
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twl4030_pwrbutton_probe);
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module_platform_driver(twl4030_pwrbutton_driver);
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MODULE_ALIAS("platform:twl4030_pwrbutton");
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MODULE_DESCRIPTION("Triton2 Power Button");
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