2 * Helper module for board specific I2C bus registration
4 * Copyright (C) 2009 Nokia Corporation.
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.
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.
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
28 int __init omap_register_i2c_bus(int bus_id, u32 clkrate,
29 struct i2c_board_info const *info,
32 if (cpu_is_omap24xx()) {
33 const int omap24xx_pins[][2] = {
34 { M19_24XX_I2C1_SCL, L15_24XX_I2C1_SDA },
35 { J15_24XX_I2C2_SCL, H19_24XX_I2C2_SDA },
39 scl = omap24xx_pins[bus_id - 1][0];
40 sda = omap24xx_pins[bus_id - 1][1];
45 /* First I2C bus is not muxable */
46 if (cpu_is_omap34xx() && bus_id > 1) {
47 char mux_name[sizeof("i2c2_scl.i2c2_scl")];
49 sprintf(mux_name, "i2c%i_scl.i2c%i_scl", bus_id, bus_id);
50 omap_mux_init_signal(mux_name, OMAP_PIN_INPUT);
51 sprintf(mux_name, "i2c%i_sda.i2c%i_sda", bus_id, bus_id);
52 omap_mux_init_signal(mux_name, OMAP_PIN_INPUT);
55 return omap_plat_register_i2c_bus(bus_id, clkrate, info, len);