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path: root/drivers/mfd/ab8500-i2c.c
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Diffstat (limited to 'drivers/mfd/ab8500-i2c.c')
-rw-r--r--drivers/mfd/ab8500-i2c.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/drivers/mfd/ab8500-i2c.c b/drivers/mfd/ab8500-i2c.c
deleted file mode 100644
index b83045f102b..00000000000
--- a/drivers/mfd/ab8500-i2c.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2010
- * Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson.
- * License Terms: GNU General Public License v2
- * This file was based on drivers/mfd/ab8500-spi.c
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/mfd/abx500/ab8500.h>
-#include <linux/mfd/dbx500-prcmu.h>
-
-static int ab8500_i2c_write(struct ab8500 *ab8500, u16 addr, u8 data)
-{
- int ret;
-
- ret = prcmu_abb_write((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1);
- if (ret < 0)
- dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
- return ret;
-}
-
-static int ab8500_i2c_write_masked(struct ab8500 *ab8500, u16 addr, u8 mask,
- u8 data)
-{
- int ret;
-
- ret = prcmu_abb_write_masked((u8)(addr >> 8), (u8)(addr & 0xFF), &data,
- &mask, 1);
- if (ret < 0)
- dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
- return ret;
-}
-
-static int ab8500_i2c_read(struct ab8500 *ab8500, u16 addr)
-{
- int ret;
- u8 data;
-
- ret = prcmu_abb_read((u8)(addr >> 8), (u8)(addr & 0xFF), &data, 1);
- if (ret < 0) {
- dev_err(ab8500->dev, "prcmu i2c error %d\n", ret);
- return ret;
- }
- return (int)data;
-}
-
-static int __devinit ab8500_i2c_probe(struct platform_device *plf)
-{
- const struct platform_device_id *platid = platform_get_device_id(plf);
- struct ab8500 *ab8500;
- struct resource *resource;
- int ret;
-
- ab8500 = kzalloc(sizeof *ab8500, GFP_KERNEL);
- if (!ab8500)
- return -ENOMEM;
-
- ab8500->dev = &plf->dev;
-
- resource = platform_get_resource(plf, IORESOURCE_IRQ, 0);
- if (!resource) {
- kfree(ab8500);
- return -ENODEV;
- }
-
- ab8500->irq = resource->start;
-
- ab8500->read = ab8500_i2c_read;
- ab8500->write = ab8500_i2c_write;
- ab8500->write_masked = ab8500_i2c_write_masked;
-
- platform_set_drvdata(plf, ab8500);
-
- ret = ab8500_init(ab8500, platid->driver_data);
- if (ret)
- kfree(ab8500);
-
-
- return ret;
-}
-
-static int __devexit ab8500_i2c_remove(struct platform_device *plf)
-{
- struct ab8500 *ab8500 = platform_get_drvdata(plf);
-
- ab8500_exit(ab8500);
- kfree(ab8500);
-
- return 0;
-}
-
-static const struct platform_device_id ab8500_id[] = {
- { "ab8500-i2c", AB8500_VERSION_AB8500 },
- { "ab8505-i2c", AB8500_VERSION_AB8505 },
- { "ab9540-i2c", AB8500_VERSION_AB9540 },
- { "ab8540-i2c", AB8500_VERSION_AB8540 },
- { }
-};
-
-static struct platform_driver ab8500_i2c_driver = {
- .driver = {
- .name = "ab8500-i2c",
- .owner = THIS_MODULE,
- },
- .probe = ab8500_i2c_probe,
- .remove = __devexit_p(ab8500_i2c_remove),
- .id_table = ab8500_id,
-};
-
-static int __init ab8500_i2c_init(void)
-{
- return platform_driver_register(&ab8500_i2c_driver);
-}
-
-static void __exit ab8500_i2c_exit(void)
-{
- platform_driver_unregister(&ab8500_i2c_driver);
-}
-arch_initcall(ab8500_i2c_init);
-module_exit(ab8500_i2c_exit);
-
-MODULE_AUTHOR("Mattias WALLIN <mattias.wallin@stericsson.com");
-MODULE_DESCRIPTION("AB8500 Core access via PRCMU I2C");
-MODULE_LICENSE("GPL v2");