The patch titled
input: PCF50633 input driver
has been added to the -mm tree. Its filename is
input-pcf50633-input-driver.patch
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------------------------------------------------------
Subject: input: PCF50633 input driver
From: Balaji Rao <balajirrao@xxxxxxxxxxxx>
Signed-off-by: Balaji Rao <balajirrao@xxxxxxxxxxxx>
Cc: Andy Green <andy@xxxxxxxxxxxx>
Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/input/misc/Kconfig | 7 +
drivers/input/misc/Makefile | 1
drivers/input/misc/pcf50633-input.c | 132 ++++++++++++++++++++++++++
3 files changed, 140 insertions(+)
diff -puN drivers/input/misc/Kconfig~input-pcf50633-input-driver drivers/input/misc/Kconfig
--- a/drivers/input/misc/Kconfig~input-pcf50633-input-driver
+++ a/drivers/input/misc/Kconfig
@@ -220,4 +220,11 @@ config HP_SDC_RTC
Say Y here if you want to support the built-in real time clock
of the HP SDC controller.
+config INPUT_PCF50633_PMU
+ tristate "PCF50633 PMU events"
+ depends on MFD_PCF50633
+ help
+ Say Y to include support for delivering PMU events via input
+ layer on NXP PCF50633.
+
endif
diff -puN drivers/input/misc/Makefile~input-pcf50633-input-driver drivers/input/misc/Makefile
--- a/drivers/input/misc/Makefile~input-pcf50633-input-driver
+++ a/drivers/input/misc/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.
obj-$(CONFIG_INPUT_UINPUT) += uinput.o
obj-$(CONFIG_INPUT_APANEL) += apanel.o
obj-$(CONFIG_INPUT_SGI_BTNS) += sgi_btns.o
+obj-$(CONFIG_INPUT_PCF50633_PMU) += pcf50633-input.o
diff -puN /dev/null drivers/input/misc/pcf50633-input.c
--- /dev/null
+++ a/drivers/input/misc/pcf50633-input.c
@@ -0,0 +1,132 @@
+/* NXP PCF50633 Input Driver
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * Author: Balaji Rao <balajirrao@xxxxxxxxxxxx>
+ * All rights reserved.
+ *
+ * Broken down from monstrous PCF50633 driver mainly by
+ * Harald Welte, Andy Green and Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/input.h>
+
+#include <linux/mfd/pcf50633/core.h>
+
+#define PCF50633_OOCSTAT_ONKEY 0x01
+#define PCF50633_REG_OOCSTAT 0x12
+#define PCF50633_REG_OOCMODE 0x10
+
+struct pcf50633_input {
+ struct pcf50633 *pcf;
+ struct input_dev *input_dev;
+};
+
+static void
+pcf50633_input_irq(int irq, void *data)
+{
+ struct pcf50633_input *input;
+ int onkey_released;
+
+ input = data;
+
+ /* We report only one event depending on the key press status */
+ onkey_released = pcf50633_reg_read(input->pcf, PCF50633_REG_OOCSTAT)
+ & PCF50633_OOCSTAT_ONKEY;
+
+ if (irq == PCF50633_IRQ_ONKEYF && !onkey_released)
+ input_report_key(input->input_dev, KEY_POWER, 1);
+ else if (irq == PCF50633_IRQ_ONKEYR && onkey_released)
+ input_report_key(input->input_dev, KEY_POWER, 0);
+
+ input_sync(input->input_dev);
+}
+
+static int __devinit pcf50633_input_probe(struct platform_device *pdev)
+{
+ struct pcf50633_input *input;
+ struct pcf50633_subdev_pdata *pdata = pdev->dev.platform_data;
+ struct input_dev *input_dev;
+ int ret;
+
+
+ input = kzalloc(sizeof(*input), GFP_KERNEL);
+ if (!input)
+ return -ENOMEM;
+
+ input_dev = input_allocate_device();
+ if (!input_dev) {
+ kfree(input);
+ return -ENOMEM;
+ }
+
+ platform_set_drvdata(pdev, input);
+ input->pcf = pdata->pcf;
+ input->input_dev = input_dev;
+
+ input_dev->name = "PCF50633 PMU events";
+ input_dev->id.bustype = BUS_I2C;
+ input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_PWR);
+ set_bit(KEY_POWER, input_dev->keybit);
+
+ ret = input_register_device(input_dev);
+ if (ret) {
+ input_free_device(input_dev);
+ kfree(input);
+ return ret;
+ }
+ pcf50633_register_irq(pdata->pcf, PCF50633_IRQ_ONKEYR,
+ pcf50633_input_irq, input);
+ pcf50633_register_irq(pdata->pcf, PCF50633_IRQ_ONKEYF,
+ pcf50633_input_irq, input);
+
+ return 0;
+}
+
+static int __devexit pcf50633_input_remove(struct platform_device *pdev)
+{
+ struct pcf50633_input *input = platform_get_drvdata(pdev);
+
+ pcf50633_free_irq(input->pcf, PCF50633_IRQ_ONKEYR);
+ pcf50633_free_irq(input->pcf, PCF50633_IRQ_ONKEYF);
+
+ input_unregister_device(input->input_dev);
+ kfree(input);
+
+ return 0;
+}
+
+static struct platform_driver pcf50633_input_driver = {
+ .driver = {
+ .name = "pcf50633-input",
+ },
+ .probe = pcf50633_input_probe,
+ .remove = __devexit_p(pcf50633_input_remove),
+};
+
+static int __init pcf50633_input_init(void)
+{
+ return platform_driver_register(&pcf50633_input_driver);
+}
+module_init(pcf50633_input_init);
+
+static void __exit pcf50633_input_exit(void)
+{
+ platform_driver_unregister(&pcf50633_input_driver);
+}
+module_exit(pcf50633_input_exit);
+
+MODULE_AUTHOR("Balaji Rao <balajirrao@xxxxxxxxxxxx>");
+MODULE_DESCRIPTION("PCF50633 input driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcf50633-input");
_
Patches currently in -mm which might be from balajirrao@xxxxxxxxxxxx are
mfd-pcf50633-core-driver.patch
mfd-pcf50633-adc-driver.patch
mfd-pcf50633-gpio-support.patch
rtc-pcf50633-rtc-driver.patch
power_supply-pcf50633-battery-charger-driver.patch
input-pcf50633-input-driver.patch
regulator-pcf50633-pmic-driver.patch
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