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cc456bd7 SG |
1 | /* |
2 | * Copyright (c) 2015 Google, Inc | |
3 | * Written by Simon Glass <[email protected]> | |
4 | * | |
5 | * SPDX-License-Identifier: GPL-2.0+ | |
6 | */ | |
7 | ||
8 | #include <common.h> | |
9 | #include <dm.h> | |
10 | #include <cros_ec.h> | |
11 | #include <errno.h> | |
12 | #include <i2c.h> | |
13 | ||
14 | static int cros_ec_i2c_set_bus_speed(struct udevice *dev, unsigned int speed) | |
15 | { | |
16 | return 0; | |
17 | } | |
18 | ||
19 | static int cros_ec_i2c_xfer(struct udevice *dev, struct i2c_msg *msg, | |
20 | int nmsgs) | |
21 | { | |
22 | return cros_ec_i2c_tunnel(dev->parent, msg, nmsgs); | |
23 | } | |
24 | ||
25 | static const struct dm_i2c_ops cros_ec_i2c_ops = { | |
26 | .xfer = cros_ec_i2c_xfer, | |
27 | .set_bus_speed = cros_ec_i2c_set_bus_speed, | |
28 | }; | |
29 | ||
30 | static const struct udevice_id cros_ec_i2c_ids[] = { | |
31 | { .compatible = "google,cros-ec-i2c-tunnel" }, | |
32 | { } | |
33 | }; | |
34 | ||
35 | U_BOOT_DRIVER(cros_ec_tunnel) = { | |
36 | .name = "cros_ec_tunnel", | |
37 | .id = UCLASS_I2C, | |
38 | .of_match = cros_ec_i2c_ids, | |
39 | .per_child_auto_alloc_size = sizeof(struct dm_i2c_chip), | |
40 | .ops = &cros_ec_i2c_ops, | |
41 | }; |