From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- include/drivers/mentor/mi2cv.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 include/drivers/mentor/mi2cv.h (limited to 'include/drivers/mentor/mi2cv.h') diff --git a/include/drivers/mentor/mi2cv.h b/include/drivers/mentor/mi2cv.h new file mode 100644 index 0000000..85b733b --- /dev/null +++ b/include/drivers/mentor/mi2cv.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2018 Marvell International Ltd. + * Copyright (C) 2018 Icenowy Zheng + * + * SPDX-License-Identifier: BSD-3-Clause + * https://spdx.org/licenses + */ + +/* This driver provides support for Mentor Graphics MI2CV IP core */ + +#ifndef MI2CV_H +#define MI2CV_H + +#include + +/* + * Initialization, must be called once on start up, may be called + * repeatedly to change the speed and slave addresses. + */ +void i2c_init(void *i2c_base); + +/* + * Read/Write interface: + * chip: I2C chip address, range 0..127 + * addr: Memory (register) address within the chip + * alen: Number of bytes to use for addr (typically 1, 2 for larger + * memories, 0 for register type devices with only one + * register) + * buffer: Where to read/write the data + * len: How many bytes to read/write + * + * Returns: 0 on success, not 0 on failure + */ +int i2c_read(uint8_t chip, + unsigned int addr, int alen, uint8_t *buffer, int len); + +int i2c_write(uint8_t chip, + unsigned int addr, int alen, uint8_t *buffer, int len); + +#endif /* MI2CV_H */ -- cgit v1.2.3