1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
 4 *
 5 * display timings of helpers
 6 */
 7
 8#ifndef __LINUX_OF_DISPLAY_TIMING_H
 9#define __LINUX_OF_DISPLAY_TIMING_H
10
11struct device_node;
12struct display_timing;
13struct display_timings;
14
15#define OF_USE_NATIVE_MODE -1
16
17#ifdef CONFIG_OF
18int of_get_display_timing(const struct device_node *np, const char *name,
19		struct display_timing *dt);
20struct display_timings *of_get_display_timings(const struct device_node *np);
21#else
22static inline int of_get_display_timing(const struct device_node *np,
23		const char *name, struct display_timing *dt)
24{
25	return -ENOSYS;
26}
27static inline struct display_timings *
28of_get_display_timings(const struct device_node *np)
29{
30	return NULL;
31}
32#endif
33
34#endif