/* * This file is part of the depthcharge project. * * Copyright (C) 2014 - 2015 The Linux Foundation. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #define GPIO_FUNC_I2C 0x1 int gsbi_init_board(gsbi_id_t gsbi_id) { switch (gsbi_id) { case GSBI_ID_7: gpio_tlmm_config_set(8, GPIO_FUNC_I2C, GPIO_NO_PULL, GPIO_2MA, 1); gpio_tlmm_config_set(9, GPIO_FUNC_I2C, GPIO_NO_PULL, GPIO_2MA, 1); break; case GSBI_ID_4: /* Configure GPIOs 13 - SCL, 12 - SDA, 2mA gpio_en */ gpio_tlmm_config_set(12, GPIO_FUNC_I2C, GPIO_NO_PULL, GPIO_2MA, 1); gpio_tlmm_config_set(13, GPIO_FUNC_I2C, GPIO_NO_PULL, GPIO_2MA, 1); break; case GSBI_ID_1: /* Configure GPIOs 54 - SCL, 53 - SDA, 2mA gpio_en */ gpio_tlmm_config_set(54, GPIO_FUNC_I2C, GPIO_NO_PULL, GPIO_2MA, 1); gpio_tlmm_config_set(53, GPIO_FUNC_I2C, GPIO_NO_PULL, GPIO_2MA, 1); break; default: return 1; } return 0; }