drivers/timer/arc_timer.c

2  * Copyright (C) 2016 Synopsys, Inc. All rights reserved.
4  * SPDX-License-Identifier: GPL-2.0+
19  * ARC timer control registers are mapped to auxiliary address space.
20  * There are special ARC asm command to access that addresses.
21  * Therefore we use built-in functions to read from and write to timer
35 	switch (priv->timer_id) {  in arc_timer_get_count()
54 	id = fdtdec_get_int(gd->fdt_blob, dev_of_offset(dev), "reg", -1);  in arc_timer_probe()
56 		return -EINVAL;  in arc_timer_probe()
59 		return -ENXIO;  in arc_timer_probe()
61 	priv->timer_id = (uint)id;  in arc_timer_probe()
64 	 * In ARC core there're special registers (Auxiliary or AUX) in its  in arc_timer_probe()
73 	switch (priv->timer_id) {  in arc_timer_probe()
101 	{ .compatible = "snps,arc-timer" },