1 /*
2 * Helper module for board specific I2C bus registration
3 *
4 * Copyright (C) 2009 Nokia Corporation.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18 * 02110-1301 USA
19 *
20 */
21
22 #include <plat/cpu.h>
23 #include <plat/i2c.h>
24
25 #include "mux.h"
26
omap2_i2c_mux_pins(int bus_id)27 void __init omap2_i2c_mux_pins(int bus_id)
28 {
29 char mux_name[sizeof("i2c2_scl.i2c2_scl")];
30
31 /* First I2C bus is not muxable */
32 if (bus_id == 1)
33 return;
34
35 sprintf(mux_name, "i2c%i_scl.i2c%i_scl", bus_id, bus_id);
36 omap_mux_init_signal(mux_name, OMAP_PIN_INPUT);
37 sprintf(mux_name, "i2c%i_sda.i2c%i_sda", bus_id, bus_id);
38 omap_mux_init_signal(mux_name, OMAP_PIN_INPUT);
39 }
40