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Diffstat (limited to 'arch/arm/plat-omap/i2c.c')
-rw-r--r--arch/arm/plat-omap/i2c.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/arch/arm/plat-omap/i2c.c b/arch/arm/plat-omap/i2c.c
deleted file mode 100644
index 58213d9714cd..000000000000
--- a/arch/arm/plat-omap/i2c.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * linux/arch/arm/plat-omap/i2c.c
- *
- * Helper module for board specific I2C bus registration
- *
- * Copyright (C) 2007 Nokia Corporation.
- *
- * Contact: Jarkko Nikula <jhnikula@gmail.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.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/i2c.h>
-#include <linux/i2c-omap.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-
-#include <plat/i2c.h>
-
-#define OMAP_I2C_MAX_CONTROLLERS 4
-static struct omap_i2c_bus_platform_data i2c_pdata[OMAP_I2C_MAX_CONTROLLERS];
-
-#define OMAP_I2C_CMDLINE_SETUP (BIT(31))
-
-/**
- * omap_i2c_bus_setup - Process command line options for the I2C bus speed
- * @str: String of options
- *
- * This function allow to override the default I2C bus speed for given I2C
- * bus with a command line option.
- *
- * Format: i2c_bus=bus_id,clkrate (in kHz)
- *
- * Returns 1 on success, 0 otherwise.
- */
-static int __init omap_i2c_bus_setup(char *str)
-{
- int ints[3];
-
- get_options(str, 3, ints);
- if (ints[0] < 2 || ints[1] < 1 ||
- ints[1] > OMAP_I2C_MAX_CONTROLLERS)
- return 0;
- i2c_pdata[ints[1] - 1].clkrate = ints[2];
- i2c_pdata[ints[1] - 1].clkrate |= OMAP_I2C_CMDLINE_SETUP;
-
- return 1;
-}
-__setup("i2c_bus=", omap_i2c_bus_setup);
-
-/*
- * Register busses defined in command line but that are not registered with
- * omap_register_i2c_bus from board initialization code.
- */
-int __init omap_register_i2c_bus_cmdline(void)
-{
- int i, err = 0;
-
- for (i = 0; i < ARRAY_SIZE(i2c_pdata); i++)
- if (i2c_pdata[i].clkrate & OMAP_I2C_CMDLINE_SETUP) {
- i2c_pdata[i].clkrate &= ~OMAP_I2C_CMDLINE_SETUP;
- err = omap_i2c_add_bus(&i2c_pdata[i], i + 1);
- if (err)
- goto out;
- }
-
-out:
- return err;
-}
-
-/**
- * omap_register_i2c_bus - register I2C bus with device descriptors
- * @bus_id: bus id counting from number 1
- * @clkrate: clock rate of the bus in kHz
- * @info: pointer into I2C device descriptor table or NULL
- * @len: number of descriptors in the table
- *
- * Returns 0 on success or an error code.
- */
-int __init omap_register_i2c_bus(int bus_id, u32 clkrate,
- struct i2c_board_info const *info,
- unsigned len)
-{
- int err;
-
- BUG_ON(bus_id < 1 || bus_id > OMAP_I2C_MAX_CONTROLLERS);
-
- if (info) {
- err = i2c_register_board_info(bus_id, info, len);
- if (err)
- return err;
- }
-
- if (!i2c_pdata[bus_id - 1].clkrate)
- i2c_pdata[bus_id - 1].clkrate = clkrate;
-
- i2c_pdata[bus_id - 1].clkrate &= ~OMAP_I2C_CMDLINE_SETUP;
-
- return omap_i2c_add_bus(&i2c_pdata[bus_id - 1], bus_id);
-}