1235633Sdim/*- 2218885Sdim * SPDX-License-Identifier: BSD-2-Clause 3218885Sdim * 4218885Sdim * Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> 5218885Sdim * Copyright (c) 2024 Pierre-Luc Drouin <pldrouin@pldrouin.net> 6218885Sdim * 7218885Sdim * Redistribution and use in source and binary forms, with or without 8218885Sdim * modification, are permitted provided that the following conditions 9218885Sdim * are met: 10218885Sdim * 1. Redistributions of source code must retain the above copyright 11218885Sdim * notice, this list of conditions and the following disclaimer. 12218885Sdim * 2. Redistributions in binary form must reproduce the above copyright 13218885Sdim * notice, this list of conditions and the following disclaimer in the 14218885Sdim * documentation and/or other materials provided with the distribution. 15252723Sdim * 16235633Sdim * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17218885Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18218885Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19245431Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20218885Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21218885Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22218885Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23218885Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24218885Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25252723Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26252723Sdim * SUCH DAMAGE. 27252723Sdim */ 28218885Sdim 29218885Sdim/* 30218885Sdim * Vybrid Family Inter-Integrated Circuit (I2C) 31218885Sdim * Originally based on Chapter 48, Vybrid Reference Manual, Rev. 5, 07/2013 32218885Sdim * Currently based on Chapter 21, LX2160A Reference Manual, Rev. 1, 10/2021 33218885Sdim * 34218885Sdim * The current implementation is based on the original driver by Ruslan Bukin, 35218885Sdim * later modified by Dawid G��recki, and split into FDT and ACPI drivers by Val 36218885Sdim * Packett. 37218885Sdim */ 38218885Sdim 39218885Sdim#ifndef __VF_I2C_H__ 40218885Sdim#define __VF_I2C_H__ 41218885Sdim 42218885Sdim#include "opt_acpi.h" 43218885Sdim#include "opt_platform.h" 44218885Sdim 45218885Sdim#ifdef FDT 46218885Sdim#include <dev/clk/clk.h> 47218885Sdim#endif 48218885Sdim 49218885Sdim#define VF_I2C_DEVSTR "Vybrid Family Inter-Integrated Circuit (I2C)" 50218885Sdim 51218885Sdim#define HW_MVF600 0x01 52218885Sdim#define HW_VF610 0x02 53218885Sdim 54218885Sdim#define MVF600_DIV_REG 0x14 55218885Sdim 56218885Sdim#define VF_I2C_DEFAULT_BUS_SPEED 100000 57218885Sdim 58218885Sdimstruct vf_i2c_softc { 59218885Sdim struct resource *res[2]; 60218885Sdim bus_space_tag_t bst; 61218885Sdim bus_space_handle_t bsh; 62218885Sdim uint32_t freq; 63218885Sdim device_t dev; 64218885Sdim device_t iicbus; 65218885Sdim struct mtx mutex; 66218885Sdim uintptr_t hwtype; 67218885Sdim#ifdef FDT 68218885Sdim clk_t clock; 69218885Sdim#endif 70218885Sdim}; 71218885Sdim 72218885Sdimextern driver_t vf_i2c_driver; 73218885Sdim 74218885Sdimdevice_attach_t vf_i2c_attach_common; 75218885Sdim 76218885Sdim#endif /* !__VF_I2C_H__ */ 77218885Sdim