projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 39f7611f SG |
1 | /* |
| 2 | * Copyright (c) 2013 Google, Inc | |
| 3 | * | |
| 4 | * (C) Copyright 2012 | |
| 5 | * Pavel Herrmann <morpheus.ibis@gmail.com> | |
| 6 | * | |
| 7 | * SPDX-License-Identifier: GPL-2.0+ | |
| 8 | */ | |
| 9 | ||
| 10 | #include <common.h> | |
| 11 | #include <dm.h> | |
| 12 | #include <dm-demo.h> | |
| 13 | #include <errno.h> | |
| 14 | #include <fdtdec.h> | |
| 15 | #include <malloc.h> | |
| 16 | #include <asm/io.h> | |
| 17 | #include <linux/list.h> | |
| 18 | ||
| 19 | DECLARE_GLOBAL_DATA_PTR; | |
| 20 | ||
| 21 | UCLASS_DRIVER(demo) = { | |
| 22 | .id = UCLASS_DEMO, | |
| 23 | }; | |
| 24 | ||
| 54c5d08a | 25 | int demo_hello(struct udevice *dev, int ch) |
| 39f7611f SG |
26 | { |
| 27 | const struct demo_ops *ops = device_get_ops(dev); | |
| 28 | ||
| 29 | if (!ops->hello) | |
| 30 | return -ENOSYS; | |
| 31 | ||
| 32 | return ops->hello(dev, ch); | |
| 33 | } | |
| 34 | ||
| 54c5d08a | 35 | int demo_status(struct udevice *dev, int *status) |
| 39f7611f SG |
36 | { |
| 37 | const struct demo_ops *ops = device_get_ops(dev); | |
| 38 | ||
| 39 | if (!ops->status) | |
| 40 | return -ENOSYS; | |
| 41 | ||
| 42 | return ops->status(dev, status); | |
| 43 | } | |
| 44 | ||
| 54c5d08a | 45 | int demo_parse_dt(struct udevice *dev) |
| 39f7611f SG |
46 | { |
| 47 | struct dm_demo_pdata *pdata = dev_get_platdata(dev); | |
| 48 | int dn = dev->of_offset; | |
| 49 | ||
| 50 | pdata->sides = fdtdec_get_int(gd->fdt_blob, dn, "sides", 0); | |
| 51 | pdata->colour = fdt_getprop(gd->fdt_blob, dn, "colour", NULL); | |
| 52 | if (!pdata->sides || !pdata->colour) { | |
| 53 | debug("%s: Invalid device tree data\n", __func__); | |
| 54 | return -EINVAL; | |
| 55 | } | |
| 56 | ||
| 57 | return 0; | |
| 58 | } |