/**************************************************************************** * boards/arm/cxd56xx/common/src/cxd56_kx022_scu.c * * Copyright 2018 Sony Semiconductor Solutions Corporation * * 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. Neither the name of Sony Semiconductor Solutions Corporation nor * the names of its contributors may be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 * COPYRIGHT OWNER 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. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include "cxd56_i2c.h" #ifdef CONFIG_CXD56_DECI_KX022 # define KX022_FIFO_CNT 3 #else # define KX022_FIFO_CNT 1 #endif #ifdef CONFIG_SENSORS_KX022_SCU int board_kx022_initialize(FAR const char *devpath, int bus) { int fifoid = 0; int ret; FAR struct i2c_master_s *i2c; sninfo("Initializing KX022...\n"); /* Initialize i2c deivce */ i2c = cxd56_i2cbus_initialize(bus); if (!i2c) { snerr("ERROR: Failed to initialize i2c%d.\n", bus); return -ENODEV; } ret = kx022_init(i2c, bus); if (ret < 0) { snerr("Error initialize KX022.\n"); return ret; } /* Register devices for each FIFOs at I2C bus */ for (fifoid = 0; fifoid < KX022_FIFO_CNT; fifoid++) { ret = kx022_register(devpath, fifoid, i2c, bus); if (ret < 0) { snerr("Error registering KX022.\n"); return ret; } } return ret; } #endif /* CONFIG_SENSORS_KX022_SCU */