mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 01:38:22 +00:00
79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
// 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 <log.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;
|
|
}
|