drivers/clk/mvebu/armada_ap_cp_helper.c

   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 }