linux/drivers/clk/mvebu/armada_ap_cp_helper.c
Gregory CLEMENT 33c0259092 clk: mvebu: add helper file for Armada AP and CP clocks
Clock drivers for Armada AP and Armada CP use the same function to
generate unique clock name. A third drivers is coming with the same
need, so it's time to move this function in a common file.

Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Link: https://lkml.kernel.org/r/20190710134346.30239-3-gregory.clement@bootlin.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2019-08-08 09:08:09 -07:00

31 lines
658 B
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Marvell Armada AP and CP110 helper
*
* Copyright (C) 2018 Marvell
*
* Gregory Clement <gregory.clement@bootlin.com>
*
*/
#include "armada_ap_cp_helper.h"
#include <linux/device.h>
#include <linux/of.h>
#include <linux/of_address.h>
char *ap_cp_unique_name(struct device *dev, struct device_node *np,
const char *name)
{
const __be32 *reg;
u64 addr;
/* Do not create a name if there is no clock */
if (!name)
return NULL;
reg = of_get_property(np, "reg", NULL);
addr = of_translate_address(np, reg);
return devm_kasprintf(dev, GFP_KERNEL, "%llx-%s",
(unsigned long long)addr, name);
}