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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-30 23:41:17 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-30 23:41:17 +0400 |
commit | 3e701cdfe601306817604ca7f79f1d1c1088007c (patch) | |
tree | 1b0a4088a091f035d8be06758a604ca449223fc0 /drivers/mfd/arizona-spi.c | |
parent | 7d3d09b01a028e9dd1282149fdcd2a6e0edd73e4 (diff) | |
parent | 3c1534c7ecffeb4330bba4c55d17f301528195b6 (diff) | |
download | linux-3e701cdfe601306817604ca7f79f1d1c1088007c.tar.xz |
Merge tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
Pull MFD bits from Samuel Ortiz:
"We have support for a few new drivers:
- Samsung s2mps11
- Wolfson Microelectronics wm5102 and wm5110
- Marvell 88PM800 and 88PM805
- TI twl6041
We also have our regular driver improvements:
- Device tree and IRQ domain support for STE AB8500
- Regmap and devm_* API conversion for TI tps6586x
- Device tree support for Samsung max77686
- devm_* API conversion for STE AB3100
Besides that, quite a lot of fixing and cleanup for mc13xxx, tps65910,
tps65090, da9052 and twl-core."
Fix up mostly trivial conflicts, with the exception of
drivers/usb/host/ehci-omap.c in particular, which had some
re-organization of the reset sequence (commit 1a49e2ac9651: "EHCI:
centralize controller initialization") that clashed with commit
2761a6394516 ("mfd: USB: Fix the omap-usb EHCI ULPI PHY reset fix
issues").
In particular, commit 2761a6394516 moved the usb_add_hcd() to the
*middle* of the reset sequence, which clashes fairly badly with the
reset sequence re-organization (although it could have been done inside
the new omap_ehci_init() function).
I left that part of commit 2761a6394516 just undone.
* tag 'mfd-3.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (110 commits)
mfd: Ensure AB8500 platform data is passed through db8500-prcmu to MFD Core
mfd: Arizone core should select MFD_CORE
mfd: Fix arizona-irq.c build by selecting REGMAP_IRQ
mfd: Add debug trace on entering and leaving arizone runtime suspend
mfd: Correct tps65090 cell names
mfd: Remove gpio support from tps6586x core driver
ARM: tegra: defconfig: Enable tps6586x gpio
gpio: tps6586x: Add gpio support through platform driver
mfd: Cache tps6586x register through regmap
mfd: Use regmap for tps6586x register access.
mfd: Use devm managed resources for tps6586x
input: Add onkey support for 88PM80X PMIC
mfd: Add support for twl6041
mfd: Fix twl6040 revision information
mfd: Matches should be NULL when populate anatop child devices
input: ab8500-ponkey: Create AB8500 domain IRQ mapping
mfd: Add missing out of memory check for pcf50633
Documentation: Describe the AB8500 Device Tree bindings
mfd: Add tps65910 32-kHz-crystal-input init
mfd: Drop modifying mc13xxx driver's id_table in probe
...
Diffstat (limited to 'drivers/mfd/arizona-spi.c')
-rw-r--r-- | drivers/mfd/arizona-spi.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c new file mode 100644 index 000000000000..df2e5a8bee28 --- /dev/null +++ b/drivers/mfd/arizona-spi.c @@ -0,0 +1,97 @@ +/* + * arizona-spi.c -- Arizona SPI bus interface + * + * Copyright 2012 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 version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/err.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> +#include <linux/spi/spi.h> + +#include <linux/mfd/arizona/core.h> + +#include "arizona.h" + +static int __devinit arizona_spi_probe(struct spi_device *spi) +{ + const struct spi_device_id *id = spi_get_device_id(spi); + struct arizona *arizona; + const struct regmap_config *regmap_config; + int ret; + + switch (id->driver_data) { +#ifdef CONFIG_MFD_WM5102 + case WM5102: + regmap_config = &wm5102_spi_regmap; + break; +#endif +#ifdef CONFIG_MFD_WM5110 + case WM5110: + regmap_config = &wm5110_spi_regmap; + break; +#endif + default: + dev_err(&spi->dev, "Unknown device type %ld\n", + id->driver_data); + return -EINVAL; + } + + arizona = devm_kzalloc(&spi->dev, sizeof(*arizona), GFP_KERNEL); + if (arizona == NULL) + return -ENOMEM; + + arizona->regmap = devm_regmap_init_spi(spi, regmap_config); + if (IS_ERR(arizona->regmap)) { + ret = PTR_ERR(arizona->regmap); + dev_err(&spi->dev, "Failed to allocate register map: %d\n", + ret); + return ret; + } + + arizona->type = id->driver_data; + arizona->dev = &spi->dev; + arizona->irq = spi->irq; + + return arizona_dev_init(arizona); +} + +static int __devexit arizona_spi_remove(struct spi_device *spi) +{ + struct arizona *arizona = dev_get_drvdata(&spi->dev); + arizona_dev_exit(arizona); + return 0; +} + +static const struct spi_device_id arizona_spi_ids[] = { + { "wm5102", WM5102 }, + { "wm5110", WM5110 }, + { }, +}; +MODULE_DEVICE_TABLE(spi, arizona_spi_ids); + +static struct spi_driver arizona_spi_driver = { + .driver = { + .name = "arizona", + .owner = THIS_MODULE, + .pm = &arizona_pm_ops, + }, + .probe = arizona_spi_probe, + .remove = __devexit_p(arizona_spi_remove), + .id_table = arizona_spi_ids, +}; + +module_spi_driver(arizona_spi_driver); + +MODULE_DESCRIPTION("Arizona SPI bus interface"); +MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); +MODULE_LICENSE("GPL"); |