include/bsp/i2c.h

0001 /*
0002  * SPDX-License-Identifier: BSD-2-Clause
0003  *
0004  * Copyright (C) 2014 embedded brains GmbH & Co. KG
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  *
0015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0025  * POSSIBILITY OF SUCH DAMAGE.
0026  */
0027
0028 #ifndef LIBBSP_ARM_XILINX_ZYNQ_I2C_H
0029 #define LIBBSP_ARM_XILINX_ZYNQ_I2C_H
0030
0031 #include <bsp/irq.h>
0032 #include <bsp.h>
0033
0034 #include <dev/i2c/cadence-i2c.h>
0035
0036 #ifdef __cplusplus
0037 extern "C" {
0038 #endif /* __cplusplus */
0039
0040 static inline int zynq_register_i2c_0(void)
0041 {
0042   return i2c_bus_register_cadence(
0043     "/dev/i2c-0",
0044     0xe0004000,
0045     zynq_clock_cpu_1x(),
0046     ZYNQ_IRQ_I2C_0
0047   );
0048 }
0049
0050 static inline int zynq_register_i2c_1(void)
0051 {
0052   return i2c_bus_register_cadence(
0053     "/dev/i2c-1",
0054     0xe0005000,
0055     zynq_clock_cpu_1x(),
0056     ZYNQ_IRQ_I2C_1
0057   );
0058 }
0059
0060 #ifdef __cplusplus
0061 }
0062 #endif /* __cplusplus */
0063
0064 #endif /* LIBBSP_ARM_XILINX_ZYNQ_I2C_H */