diff options
Diffstat (limited to 'roms/u-boot/drivers/demo/demo-uclass.c')
-rw-r--r-- | roms/u-boot/drivers/demo/demo-uclass.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/roms/u-boot/drivers/demo/demo-uclass.c b/roms/u-boot/drivers/demo/demo-uclass.c new file mode 100644 index 000000000..815f8de64 --- /dev/null +++ b/roms/u-boot/drivers/demo/demo-uclass.c @@ -0,0 +1,80 @@ +// 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/global_data.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_plat(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; +} |