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i2c.h
1 /*
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (C) 2014 embedded brains GmbH
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef LIBBSP_ARM_XILINX_ZYNQ_I2C_H
29 #define LIBBSP_ARM_XILINX_ZYNQ_I2C_H
30 
31 #include <bsp/cadence-i2c.h>
32 #include <bsp/irq.h>
33 #include <bsp.h>
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif /* __cplusplus */
38 
39 static inline int zynq_register_i2c_0(void)
40 {
41  return i2c_bus_register_cadence(
42  "/dev/i2c-0",
43  0xe0004000,
44  zynq_clock_cpu_1x(),
45  ZYNQ_IRQ_I2C_0
46  );
47 }
48 
49 static inline int zynq_register_i2c_1(void)
50 {
51  return i2c_bus_register_cadence(
52  "/dev/i2c-1",
53  0xe0005000,
54  zynq_clock_cpu_1x(),
55  ZYNQ_IRQ_I2C_1
56  );
57 }
58 
59 #ifdef __cplusplus
60 }
61 #endif /* __cplusplus */
62 
63 #endif /* LIBBSP_ARM_XILINX_ZYNQ_I2C_H */