mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 01:31:44 +00:00
30304e5a79
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJPcXgCAAoJEIqAPN1PVmxKh2oP/2Ns+dr4oOF8z+uqYG1oisJd CxBTC1Bi9gYBtpiMztPiHZWiQtVXoDgLbLkx6ooWH5dpwCdvU6TVBZUJp4wpELtx mMk5vJy4/INHgI0nk5wUOr76rNlQfIcK04f+LHBSG1iljUkoVR3FefVKgoyIP+Wv oiCeuCyQcYIUmG1pVt1x43OoS+2xgjWQA67AalLLRj1DOA5OkvUL7NGsrZ1iZTUh YHQJsK6ER3MgbFFEImtn10NNFwAEG04o6vi42DFW1O0awm6kmVoLjo46wS+UiKoh Vx8t5ZGvlYOZ1ZM9N5ETgQnihBt7cOhA3ivZar8h+WiYVTRJs1ZSkpmnlpmM4YY9 RCZ5DRw3N39R0ezkNVGSr1Xn1vkysIiZI82frrJiPUYLKihsrBzj2Jq3O25iILCf Iyv7HBEJxAb3x0zlF6kPhaA8OW4dssaHTLNx5IJSOKwiwVLdm4RPyOHh9QVz++p/ p0hvSQWK1MUruBbBrjF/FN+FidgK2iU0iDW/GoDwI7OKymSxg7sauLtp0cZpo6nT F+Ep6yl/uR5vxih4LSYFJOjoeKuwIo/x92H0qJ3UroaUs9DNJ7UCKchXXiQ1Wtnz tAAsWP1YsMxMzlMxqW5J9w4LJynJ8bqrC0L8+HWzIUwikA8wv8/47Pmc/vPW0Y3N 5L7KMS8/iFCsS8rPmGeP =onDl -----END PGP SIGNATURE----- Merge tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 Pull MFD changes from Samuel Ortiz: - 4 new drivers: Freescale i.MX on-chip Anatop, Ricoh's RC5T583 and TI's TPS65090 and TPS65217. - New variants support (8420, 8520 ab9540), cleanups and bug fixes for the abx500 and db8500 ST-E chipsets. - Some minor fixes and update for the wm8994 from Mark. - The beginning of a long term TWL cleanup effort coming from the TI folks. - Various fixes and cleanups for the s5m, TPS659xx, pm860x, and MAX8997 drivers. Fix up trivial conflicts due to duplicate patches and header file cleanups (<linux/device.h> removal etc). * tag 'mfd_3.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (97 commits) gpio/twl: Add DT support to gpio-twl4030 driver gpio/twl: Allocate irq_desc dynamically for SPARSE_IRQ support mfd: Detach twl6040 from the pmic mfd driver mfd: Replace twl-* pr_ macros by the dev_ equivalent and do various cleanups mfd: Micro-optimization on twl4030 IRQ handler mfd: Make twl4030 SIH SPARSE_IRQ capable mfd: Move twl-core IRQ allocation into twl[4030|6030]-irq files mfd: Remove references already defineid in header file from twl-core mfd: Remove unneeded header from twl-core mfd: Make twl-core not depend on pdata->irq_base/end ARM: OMAP2+: board-omap4-*: Do not use anymore TWL6030_IRQ_BASE in board files mfd: Return twl6030_mmc_card_detect IRQ for board setup Revert "mfd: Add platform data for MAX8997 haptic driver" mfd: Add support for TPS65090 mfd: Add some da9052-i2c section annotations mfd: Build rtc5t583 only if I2C config is selected to y. mfd: Add anatop mfd driver mfd: Fix compilation error in tps65910.h mfd: Add 8420 variant to db8500-prcmu mfd: Add 8520 PRCMU variant to db8500-prcmu ...
127 lines
2.9 KiB
C
127 lines
2.9 KiB
C
/*
|
|
* wm831x-spi.c -- SPI access for Wolfson WM831x PMICs
|
|
*
|
|
* Copyright 2009,2010 Wolfson Microelectronics PLC.
|
|
*
|
|
* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
|
|
*
|
|
* 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/pm.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/err.h>
|
|
|
|
#include <linux/mfd/wm831x/core.h>
|
|
|
|
static int __devinit wm831x_spi_probe(struct spi_device *spi)
|
|
{
|
|
const struct spi_device_id *id = spi_get_device_id(spi);
|
|
struct wm831x *wm831x;
|
|
enum wm831x_parent type;
|
|
int ret;
|
|
|
|
type = (enum wm831x_parent)id->driver_data;
|
|
|
|
wm831x = devm_kzalloc(&spi->dev, sizeof(struct wm831x), GFP_KERNEL);
|
|
if (wm831x == NULL)
|
|
return -ENOMEM;
|
|
|
|
spi->bits_per_word = 16;
|
|
spi->mode = SPI_MODE_0;
|
|
|
|
dev_set_drvdata(&spi->dev, wm831x);
|
|
wm831x->dev = &spi->dev;
|
|
|
|
wm831x->regmap = devm_regmap_init_spi(spi, &wm831x_regmap_config);
|
|
if (IS_ERR(wm831x->regmap)) {
|
|
ret = PTR_ERR(wm831x->regmap);
|
|
dev_err(wm831x->dev, "Failed to allocate register map: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
return wm831x_device_init(wm831x, type, spi->irq);
|
|
}
|
|
|
|
static int __devexit wm831x_spi_remove(struct spi_device *spi)
|
|
{
|
|
struct wm831x *wm831x = dev_get_drvdata(&spi->dev);
|
|
|
|
wm831x_device_exit(wm831x);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int wm831x_spi_suspend(struct device *dev)
|
|
{
|
|
struct wm831x *wm831x = dev_get_drvdata(dev);
|
|
|
|
return wm831x_device_suspend(wm831x);
|
|
}
|
|
|
|
static void wm831x_spi_shutdown(struct spi_device *spi)
|
|
{
|
|
struct wm831x *wm831x = dev_get_drvdata(&spi->dev);
|
|
|
|
wm831x_device_shutdown(wm831x);
|
|
}
|
|
|
|
static const struct dev_pm_ops wm831x_spi_pm = {
|
|
.freeze = wm831x_spi_suspend,
|
|
.suspend = wm831x_spi_suspend,
|
|
};
|
|
|
|
static const struct spi_device_id wm831x_spi_ids[] = {
|
|
{ "wm8310", WM8310 },
|
|
{ "wm8311", WM8311 },
|
|
{ "wm8312", WM8312 },
|
|
{ "wm8320", WM8320 },
|
|
{ "wm8321", WM8321 },
|
|
{ "wm8325", WM8325 },
|
|
{ "wm8326", WM8326 },
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(spi, wm831x_spi_ids);
|
|
|
|
static struct spi_driver wm831x_spi_driver = {
|
|
.driver = {
|
|
.name = "wm831x",
|
|
.owner = THIS_MODULE,
|
|
.pm = &wm831x_spi_pm,
|
|
},
|
|
.id_table = wm831x_spi_ids,
|
|
.probe = wm831x_spi_probe,
|
|
.remove = __devexit_p(wm831x_spi_remove),
|
|
.shutdown = wm831x_spi_shutdown,
|
|
};
|
|
|
|
static int __init wm831x_spi_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = spi_register_driver(&wm831x_spi_driver);
|
|
if (ret != 0)
|
|
pr_err("Failed to register WM831x SPI driver: %d\n", ret);
|
|
|
|
return 0;
|
|
}
|
|
subsys_initcall(wm831x_spi_init);
|
|
|
|
static void __exit wm831x_spi_exit(void)
|
|
{
|
|
spi_unregister_driver(&wm831x_spi_driver);
|
|
}
|
|
module_exit(wm831x_spi_exit);
|
|
|
|
MODULE_DESCRIPTION("SPI support for WM831x/2x AudioPlus PMICs");
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Mark Brown");
|