This driver will eventually support OMAP soc PRM module features, e.g. PRCM chain interrupts.
Signed-off-by: Tero Kristo <[email protected]> Cc: Paul Walmsley <[email protected]> Cc: Kevin Hilman <[email protected]> --- drivers/power/Kconfig | 7 ++++ drivers/power/Makefile | 1 + drivers/power/omap_prm.c | 83 ++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 91 insertions(+), 0 deletions(-) create mode 100644 drivers/power/omap_prm.c diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 57de051..e735a95 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -249,4 +249,11 @@ config CHARGER_MAX8998 Say Y to enable support for the battery charger control sysfs and platform data of MAX8998/LP3974 PMICs. +config OMAP_PRM + bool "OMAP Power and Reset Management driver" + depends on (ARCH_OMAP) && PM + help + Say Y to enable support for the OMAP Power and Reset Management + driver. + endif # POWER_SUPPLY diff --git a/drivers/power/Makefile b/drivers/power/Makefile index b4af13d..8df93c2 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_WM831X_BACKUP) += wm831x_backup.o obj-$(CONFIG_WM831X_POWER) += wm831x_power.o obj-$(CONFIG_WM8350_POWER) += wm8350_power.o obj-$(CONFIG_TEST_POWER) += test_power.o +obj-$(CONFIG_OMAP_PRM) += omap_prm.o obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o obj-$(CONFIG_BATTERY_DS2780) += ds2780_battery.o diff --git a/drivers/power/omap_prm.c b/drivers/power/omap_prm.c new file mode 100644 index 0000000..dfc0920 --- /dev/null +++ b/drivers/power/omap_prm.c @@ -0,0 +1,83 @@ +/* + * OMAP Power and Reset Management (PRM) driver + * + * Copyright (C) 2011 Texas Instruments, Inc. + * + * Author: Tero Kristo <[email protected]> + * + * 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/ctype.h> +#include <linux/module.h> +#include <linux/io.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/err.h> +#include <linux/platform_device.h> + +#define DRIVER_NAME "omap-prm" + +struct omap_prm_device { + struct platform_device pdev; +}; + +static struct omap_prm_device prm_dev = { + .pdev = { + .name = DRIVER_NAME, + .id = -1, + }, +}; + +static int __init omap_prm_probe(struct platform_device *pdev) +{ + return 0; +} + +static int __devexit omap_prm_remove(struct platform_device *pdev) +{ + return 0; +} + +static struct platform_driver prm_driver = { + .remove = __exit_p(omap_prm_remove), + .driver = { + .name = DRIVER_NAME, + }, +}; + +static int __init omap_prm_init(void) +{ + int ret; + + ret = platform_device_register(&prm_dev.pdev); + + if (ret) { + printk(KERN_ERR "Unable to register PRM device: %d\n", ret); + return ret; + } + + ret = platform_driver_probe(&prm_driver, omap_prm_probe); + + if (ret) + printk(KERN_ERR "PRM driver probe failed: %d\n", ret); + + return ret; +} +subsys_initcall(omap_prm_init); + +static void __exit omap_prm_exit(void) +{ + platform_device_unregister(&prm_dev.pdev); + platform_driver_unregister(&prm_driver); +} +module_exit(omap_prm_exit); + +MODULE_ALIAS("platform:"DRIVER_NAME); +MODULE_AUTHOR("Tero Kristo <[email protected]>"); +MODULE_DESCRIPTION("OMAP PRM driver"); +MODULE_LICENSE("GPL"); -- 1.7.4.1 Texas Instruments Oy, Tekniikantie 12, 02150 Espoo. Y-tunnus: 0115040-6. Kotipaikka: Helsinki -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
