1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
4 * Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
5 */
6
7 #include <clk.h>
8 #include <common.h>
9 #include <dm.h>
10 #include <dm/device.h>
11 #include <dm/device_compat.h>
12 #include <generic-phy.h>
13
14 struct nop_phy_priv {
15 struct clk_bulk bulk;
16 };
17
nop_phy_init(struct phy * phy)18 static int nop_phy_init(struct phy *phy)
19 {
20 struct nop_phy_priv *priv = dev_get_priv(phy->dev);
21
22 if (CONFIG_IS_ENABLED(CLK))
23 return clk_enable_bulk(&priv->bulk);
24
25 return 0;
26 }
27
nop_phy_probe(struct udevice * dev)28 static int nop_phy_probe(struct udevice *dev)
29 {
30 struct nop_phy_priv *priv = dev_get_priv(dev);
31 int ret;
32
33 if (CONFIG_IS_ENABLED(CLK)) {
34 ret = clk_get_bulk(dev, &priv->bulk);
35 if (ret < 0) {
36 dev_err(dev, "Failed to get clk: %d\n", ret);
37 return ret;
38 }
39 }
40
41 return 0;
42 }
43
44 static const struct udevice_id nop_phy_ids[] = {
45 { .compatible = "nop-phy" },
46 { .compatible = "usb-nop-xceiv" },
47 { }
48 };
49
50 static struct phy_ops nop_phy_ops = {
51 .init = nop_phy_init,
52 };
53
54 U_BOOT_DRIVER(nop_phy) = {
55 .name = "nop_phy",
56 .id = UCLASS_PHY,
57 .of_match = nop_phy_ids,
58 .ops = &nop_phy_ops,
59 .probe = nop_phy_probe,
60 .priv_auto = sizeof(struct nop_phy_priv),
61 };
62