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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /roms/u-boot/drivers/demo/demo-uclass.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'roms/u-boot/drivers/demo/demo-uclass.c')
-rw-r--r-- | roms/u-boot/drivers/demo/demo-uclass.c | 58 |
1 files changed, 58 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 00000000..48588be9 --- /dev/null +++ b/roms/u-boot/drivers/demo/demo-uclass.c @@ -0,0 +1,58 @@ +/* + * 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) = { + .id = UCLASS_DEMO, +}; + +int demo_hello(struct device *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 device *dev, int *status) +{ + const struct demo_ops *ops = device_get_ops(dev); + + if (!ops->status) + return -ENOSYS; + + return ops->status(dev, status); +} + +int demo_parse_dt(struct device *dev) +{ + struct dm_demo_pdata *pdata = dev_get_platdata(dev); + int dn = dev->of_offset; + + 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; +} |