// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2013 Google, Inc * * (C) Copyright 2012 * Pavel Herrmann <morpheus.ibis@gmail.com> */ #include <common.h> #include <dm.h> #include <dm-demo.h> #include <errno.h> #include <fdtdec.h> #include <malloc.h> #include <asm/io.h> #include <linux/list.h> DECLARE_GLOBAL_DATA_PTR; UCLASS_DRIVER(demo) = { .name = "demo", .id = UCLASS_DEMO, }; int demo_hello(struct udevice *dev, int ch) { const struct demo_ops *ops = device_get_ops(dev); if (!ops->hello) return -ENOSYS; return ops->hello(dev, ch); } int demo_status(struct udevice *dev, int *status) { const struct demo_ops *ops = device_get_ops(dev); if (!ops->status) return -ENOSYS; return ops->status(dev, status); } int demo_get_light(struct udevice *dev) { const struct demo_ops *ops = device_get_ops(dev); if (!ops->get_light) return -ENOSYS; return ops->get_light(dev); } int demo_set_light(struct udevice *dev, int light) { const struct demo_ops *ops = device_get_ops(dev); if (!ops->set_light) return -ENOSYS; return ops->set_light(dev, light); } int demo_parse_dt(struct udevice *dev) { struct dm_demo_pdata *pdata = dev_get_platdata(dev); int dn = dev_of_offset(dev); pdata->sides = fdtdec_get_int(gd->fdt_blob, dn, "sides", 0); pdata->colour = fdt_getprop(gd->fdt_blob, dn, "colour", NULL); if (!pdata->sides || !pdata->colour) { debug("%s: Invalid device tree data\n", __func__); return -EINVAL; } return 0; }