/**************************************************************************** * boards/arm/s32k1xx/rddrone-bms772/src/s32k1xx_i2c.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /* Copyright 2022 NXP */ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include "s32k1xx_lpi2c.h" #include "rddrone-bms772.h" #if defined(CONFIG_S32K1XX_LPI2C) && defined(CONFIG_I2C_DRIVER) /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: s32k1xx_i2cdev_initialize * * Description: * Initialize I2C driver and register /dev/i2cN devices. * ****************************************************************************/ int weak_function s32k1xx_i2cdev_initialize(void) { int ret = OK; #ifdef CONFIG_S32K1XX_LPI2C0 /* LPI2C0 *****************************************************************/ /* Initialize LPI2C0 */ struct i2c_master_s *lpi2c0 = s32k1xx_i2cbus_initialize(0); if (lpi2c0 == NULL) { i2cerr("ERROR: FAILED to initialize LPI2C0\n"); return -ENODEV; } /* Register LPI2C0 character driver */ ret = i2c_register(lpi2c0, 0); if (ret < 0) { i2cerr("ERROR: FAILED to register LPI2C0 driver\n"); return ret; } #endif /* CONFIG_S32K1XX_LPI2C0 */ return ret; } #endif /* CONFIG_S32K1XX_LPI2C && CONFIG_I2C_DRIVER */