-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
yaml --- r: 308699 b: refs/heads/master c: a0c7c1d h: refs/heads/master i: 308697: f9aca8a 308695: e28a468 v: v3
- Loading branch information
Marc Reilly
authored and
Samuel Ortiz
committed
May 1, 2012
1 parent
5b0f85f
commit b4b94dc
Showing
6 changed files
with
205 additions
and
148 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| --- | ||
| refs/heads/master: 91b5e741184ea9836cd7d7509e4f9b6eefa27df2 | ||
| refs/heads/master: a0c7c1d48ea9f53c67c79eda498bb8eda1422748 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| /* | ||
| * Copyright 2009-2010 Pengutronix | ||
| * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de> | ||
| * | ||
| * loosely based on an earlier driver that has | ||
| * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify it under | ||
| * the terms of the GNU General Public License version 2 as published by the | ||
| * Free Software Foundation. | ||
| */ | ||
|
|
||
| #include <linux/slab.h> | ||
| #include <linux/module.h> | ||
| #include <linux/platform_device.h> | ||
| #include <linux/mutex.h> | ||
| #include <linux/interrupt.h> | ||
| #include <linux/mfd/core.h> | ||
| #include <linux/mfd/mc13xxx.h> | ||
| #include <linux/of.h> | ||
| #include <linux/of_device.h> | ||
| #include <linux/of_gpio.h> | ||
| #include <linux/err.h> | ||
| #include <linux/spi/spi.h> | ||
|
|
||
| #include "mc13xxx.h" | ||
|
|
||
| static const struct spi_device_id mc13xxx_device_id[] = { | ||
| { | ||
| .name = "mc13783", | ||
| .driver_data = MC13XXX_ID_MC13783, | ||
| }, { | ||
| .name = "mc13892", | ||
| .driver_data = MC13XXX_ID_MC13892, | ||
| }, { | ||
| /* sentinel */ | ||
| } | ||
| }; | ||
| MODULE_DEVICE_TABLE(spi, mc13xxx_device_id); | ||
|
|
||
| static const struct of_device_id mc13xxx_dt_ids[] = { | ||
| { .compatible = "fsl,mc13783", .data = (void *) MC13XXX_ID_MC13783, }, | ||
| { .compatible = "fsl,mc13892", .data = (void *) MC13XXX_ID_MC13892, }, | ||
| { /* sentinel */ } | ||
| }; | ||
| MODULE_DEVICE_TABLE(of, mc13xxx_dt_ids); | ||
|
|
||
| static struct regmap_config mc13xxx_regmap_spi_config = { | ||
| .reg_bits = 7, | ||
| .pad_bits = 1, | ||
| .val_bits = 24, | ||
|
|
||
| .max_register = MC13XXX_NUMREGS, | ||
|
|
||
| .cache_type = REGCACHE_NONE, | ||
| }; | ||
|
|
||
| static int mc13xxx_spi_probe(struct spi_device *spi) | ||
| { | ||
| const struct of_device_id *of_id; | ||
| struct spi_driver *sdrv = to_spi_driver(spi->dev.driver); | ||
| struct mc13xxx *mc13xxx; | ||
| struct mc13xxx_platform_data *pdata = dev_get_platdata(&spi->dev); | ||
| int ret; | ||
|
|
||
| of_id = of_match_device(mc13xxx_dt_ids, &spi->dev); | ||
| if (of_id) | ||
| sdrv->id_table = &mc13xxx_device_id[(enum mc13xxx_id) of_id->data]; | ||
|
|
||
| mc13xxx = kzalloc(sizeof(*mc13xxx), GFP_KERNEL); | ||
| if (!mc13xxx) | ||
| return -ENOMEM; | ||
|
|
||
| dev_set_drvdata(&spi->dev, mc13xxx); | ||
| spi->mode = SPI_MODE_0 | SPI_CS_HIGH; | ||
| spi->bits_per_word = 32; | ||
|
|
||
| mc13xxx->dev = &spi->dev; | ||
| mutex_init(&mc13xxx->lock); | ||
|
|
||
| mc13xxx->regmap = regmap_init_spi(spi, &mc13xxx_regmap_spi_config); | ||
| if (IS_ERR(mc13xxx->regmap)) { | ||
| ret = PTR_ERR(mc13xxx->regmap); | ||
| dev_err(mc13xxx->dev, "Failed to initialize register map: %d\n", | ||
| ret); | ||
| dev_set_drvdata(&spi->dev, NULL); | ||
| kfree(mc13xxx); | ||
| return ret; | ||
| } | ||
|
|
||
| ret = mc13xxx_common_init(mc13xxx, pdata, spi->irq); | ||
|
|
||
| if (ret) { | ||
| dev_set_drvdata(&spi->dev, NULL); | ||
| } else { | ||
| const struct spi_device_id *devid = | ||
| spi_get_device_id(spi); | ||
| if (!devid || devid->driver_data != mc13xxx->ictype) | ||
| dev_warn(mc13xxx->dev, | ||
| "device id doesn't match auto detection!\n"); | ||
| } | ||
|
|
||
| return ret; | ||
| } | ||
|
|
||
| static int __devexit mc13xxx_spi_remove(struct spi_device *spi) | ||
| { | ||
| struct mc13xxx *mc13xxx = dev_get_drvdata(&spi->dev); | ||
|
|
||
| mc13xxx_common_cleanup(mc13xxx); | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| static struct spi_driver mc13xxx_spi_driver = { | ||
| .id_table = mc13xxx_device_id, | ||
| .driver = { | ||
| .name = "mc13xxx", | ||
| .owner = THIS_MODULE, | ||
| .of_match_table = mc13xxx_dt_ids, | ||
| }, | ||
| .probe = mc13xxx_spi_probe, | ||
| .remove = __devexit_p(mc13xxx_spi_remove), | ||
| }; | ||
|
|
||
| static int __init mc13xxx_init(void) | ||
| { | ||
| return spi_register_driver(&mc13xxx_spi_driver); | ||
| } | ||
| subsys_initcall(mc13xxx_init); | ||
|
|
||
| static void __exit mc13xxx_exit(void) | ||
| { | ||
| spi_unregister_driver(&mc13xxx_spi_driver); | ||
| } | ||
| module_exit(mc13xxx_exit); | ||
|
|
||
| MODULE_DESCRIPTION("Core driver for Freescale MC13XXX PMIC"); | ||
| MODULE_AUTHOR("Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>"); | ||
| MODULE_LICENSE("GPL v2"); |
Oops, something went wrong.