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/*
* arch/arm/mach-tegra/include/mach/ioexpander.h
*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef _MACH_TEGRA_IO_EXPANDER_H_
#define _MACH_TEGRA_IO_EXPANDER_H_
/*
* Define I/O expander register offsets for I2C command
*/
#define IO_EXP_INPUT_PORT_REG_0 0x0
#define IO_EXP_INPUT_PORT_REG_1 0x1
#define IO_EXP_OUTPUT_PORT_REG_0 0x2
#define IO_EXP_OUTPUT_PORT_REG_1 0x3
#define IO_EXP_POLARITY_INV_REG_0 0x4
#define IO_EXP_POLARITY_INV_REG_1 0x5
#define IO_EXP_CONFIG_REG_0 0x6
#define IO_EXP_CONFIG_REG_1 0x7
enum {
IO_EXP_PIN_0 = 0,
IO_EXP_PIN_1 = 1,
IO_EXP_PIN_2 = 2,
IO_EXP_PIN_3 = 3,
IO_EXP_PIN_4 = 4,
IO_EXP_PIN_5 = 5,
IO_EXP_PIN_6 = 6,
IO_EXP_PIN_7 = 7,
};
#endif
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