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455f2d15bf
Use dev_ function to read the sides and colour to support a live tree. Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> Reviewed-by: Simon Glass <sjg@chromium.org>
76 lines
1.4 KiB
C
76 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2013 Google, Inc
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*
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* (C) Copyright 2012
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* Pavel Herrmann <morpheus.ibis@gmail.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <dm-demo.h>
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#include <errno.h>
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#include <log.h>
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#include <malloc.h>
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#include <asm/io.h>
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#include <linux/list.h>
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UCLASS_DRIVER(demo) = {
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.name = "demo",
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.id = UCLASS_DEMO,
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};
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int demo_hello(struct udevice *dev, int ch)
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{
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const struct demo_ops *ops = device_get_ops(dev);
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if (!ops->hello)
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return -ENOSYS;
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return ops->hello(dev, ch);
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}
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int demo_status(struct udevice *dev, int *status)
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{
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const struct demo_ops *ops = device_get_ops(dev);
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if (!ops->status)
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return -ENOSYS;
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return ops->status(dev, status);
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}
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int demo_get_light(struct udevice *dev)
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{
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const struct demo_ops *ops = device_get_ops(dev);
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if (!ops->get_light)
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return -ENOSYS;
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return ops->get_light(dev);
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}
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int demo_set_light(struct udevice *dev, int light)
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{
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const struct demo_ops *ops = device_get_ops(dev);
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if (!ops->set_light)
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return -ENOSYS;
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return ops->set_light(dev, light);
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}
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int demo_parse_dt(struct udevice *dev)
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{
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struct dm_demo_pdata *pdata = dev_get_plat(dev);
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pdata->sides = dev_read_s32_default(dev, "sides", 0);
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pdata->colour = dev_read_string(dev, "colour");
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if (!pdata->sides || !pdata->colour) {
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debug("%s: Invalid device tree data\n", __func__);
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return -EINVAL;
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}
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return 0;
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}
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