xref: /linux/drivers/clk/mvebu/armada_ap_cp_helper.c (revision 0e9ab8e4d44ae9d9aaf213bfd2c90bbe7289337b)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Marvell Armada AP and CP110 helper
4  *
5  * Copyright (C) 2018 Marvell
6  *
7  * Gregory Clement <gregory.clement@bootlin.com>
8  *
9  */
10 
11 #include "armada_ap_cp_helper.h"
12 #include <linux/device.h>
13 #include <linux/of.h>
14 #include <linux/of_address.h>
15 
16 char *ap_cp_unique_name(struct device *dev, struct device_node *np,
17 			const char *name)
18 {
19 	const __be32 *reg;
20 	u64 addr;
21 
22 	/* Do not create a name if there is no clock */
23 	if (!name)
24 		return NULL;
25 
26 	reg = of_get_property(np, "reg", NULL);
27 	addr = of_translate_address(np, reg);
28 	return devm_kasprintf(dev, GFP_KERNEL, "%llx-%s",
29 			      (unsigned long long)addr, name);
30 }
31