1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2013 Google, Inc
6 * Pavel Herrmann <morpheus.ibis@gmail.com>
17 #include <linux/list.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 UCLASS_DRIVER(demo) = {
26 int demo_hello(struct udevice *dev, int ch)
28 const struct demo_ops *ops = device_get_ops(dev);
33 return ops->hello(dev, ch);
36 int demo_status(struct udevice *dev, int *status)
38 const struct demo_ops *ops = device_get_ops(dev);
43 return ops->status(dev, status);
46 int demo_get_light(struct udevice *dev)
48 const struct demo_ops *ops = device_get_ops(dev);
53 return ops->get_light(dev);
56 int demo_set_light(struct udevice *dev, int light)
58 const struct demo_ops *ops = device_get_ops(dev);
63 return ops->set_light(dev, light);
66 int demo_parse_dt(struct udevice *dev)
68 struct dm_demo_pdata *pdata = dev_get_platdata(dev);
69 int dn = dev_of_offset(dev);
71 pdata->sides = fdtdec_get_int(gd->fdt_blob, dn, "sides", 0);
72 pdata->colour = fdt_getprop(gd->fdt_blob, dn, "colour", NULL);
73 if (!pdata->sides || !pdata->colour) {
74 debug("%s: Invalid device tree data\n", __func__);