1 /* 2 * Copyright (c) 2015 Google, Inc 3 * Written by Simon Glass <sjg@chromium.org> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <dm.h> 10 #include <i2c.h> 11 #include <asm/io.h> 12 13 int intel_i2c_xfer(struct udevice *bus, struct i2c_msg *msg, int nmsgs) 14 { 15 return -ENOSYS; 16 } 17 18 int intel_i2c_probe_chip(struct udevice *bus, uint chip_addr, uint chip_flags) 19 { 20 return -ENOSYS; 21 } 22 23 int intel_i2c_set_bus_speed(struct udevice *bus, unsigned int speed) 24 { 25 return 0; 26 } 27 28 static int intel_i2c_probe(struct udevice *dev) 29 { 30 return 0; 31 } 32 33 static const struct dm_i2c_ops intel_i2c_ops = { 34 .xfer = intel_i2c_xfer, 35 .probe_chip = intel_i2c_probe_chip, 36 .set_bus_speed = intel_i2c_set_bus_speed, 37 }; 38 39 static const struct udevice_id intel_i2c_ids[] = { 40 { .compatible = "intel,ich-i2c" }, 41 { } 42 }; 43 44 U_BOOT_DRIVER(intel_i2c) = { 45 .name = "i2c_intel", 46 .id = UCLASS_I2C, 47 .of_match = intel_i2c_ids, 48 .per_child_auto_alloc_size = sizeof(struct dm_i2c_chip), 49 .ops = &intel_i2c_ops, 50 .probe = intel_i2c_probe, 51 }; 52