| /* |
| * Helper module for board specific I2C bus registration |
| * |
| * Copyright (C) 2009 Nokia Corporation. |
| * |
| * 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 <plat/cpu.h> |
| #include <plat/i2c.h> |
| #include <plat/mux.h> |
| |
| #include "mux.h" |
| |
| void __init omap2_i2c_mux_pins(int bus_id) |
| { |
| if (cpu_is_omap24xx()) { |
| const int omap24xx_pins[][2] = { |
| { M19_24XX_I2C1_SCL, L15_24XX_I2C1_SDA }, |
| { J15_24XX_I2C2_SCL, H19_24XX_I2C2_SDA }, |
| }; |
| int scl, sda; |
| |
| scl = omap24xx_pins[bus_id - 1][0]; |
| sda = omap24xx_pins[bus_id - 1][1]; |
| omap_cfg_reg(sda); |
| omap_cfg_reg(scl); |
| } |
| |
| /* First I2C bus is not muxable */ |
| if (cpu_is_omap34xx() && bus_id > 1) { |
| char mux_name[sizeof("i2c2_scl.i2c2_scl")]; |
| |
| sprintf(mux_name, "i2c%i_scl.i2c%i_scl", bus_id, bus_id); |
| omap_mux_init_signal(mux_name, OMAP_PIN_INPUT); |
| sprintf(mux_name, "i2c%i_sda.i2c%i_sda", bus_id, bus_id); |
| omap_mux_init_signal(mux_name, OMAP_PIN_INPUT); |
| } |
| } |