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/*
* Copyright (c) 2013 Google, Inc
*
* (C) Copyright 2012
* Pavel Herrmann <morpheus.ibis@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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;
}
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