1 // SPDX-License-Identifier: GPL-2.0+
11 #define SANDBOX_PHY_ADDR 5
12 #define SANDBOX_PHY_REG 0
14 struct mdio_sandbox_priv {
19 static int mdio_sandbox_read(struct udevice *dev, int addr, int devad, int reg)
21 struct mdio_sandbox_priv *priv = dev_get_priv(dev);
26 if (addr != SANDBOX_PHY_ADDR)
28 if (devad != MDIO_DEVAD_NONE)
30 if (reg != SANDBOX_PHY_REG)
36 static int mdio_sandbox_write(struct udevice *dev, int addr, int devad, int reg,
39 struct mdio_sandbox_priv *priv = dev_get_priv(dev);
44 if (addr != SANDBOX_PHY_ADDR)
46 if (devad != MDIO_DEVAD_NONE)
48 if (reg != SANDBOX_PHY_REG)
56 static int mdio_sandbox_reset(struct udevice *dev)
58 struct mdio_sandbox_priv *priv = dev_get_priv(dev);
65 static const struct mdio_ops mdio_sandbox_ops = {
66 .read = mdio_sandbox_read,
67 .write = mdio_sandbox_write,
68 .reset = mdio_sandbox_reset,
71 static int mdio_sandbox_probe(struct udevice *dev)
73 struct mdio_sandbox_priv *priv = dev_get_priv(dev);
80 static const struct udevice_id mdio_sandbox_ids[] = {
81 { .compatible = "sandbox,mdio" },
85 U_BOOT_DRIVER(mdio_sandbox) = {
86 .name = "mdio_sandbox",
88 .of_match = mdio_sandbox_ids,
89 .probe = mdio_sandbox_probe,
90 .ops = &mdio_sandbox_ops,
91 .priv_auto_alloc_size = sizeof(struct mdio_sandbox_priv),