1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright 2013 Emilio L��pez
4 *
5 * Emilio L��pez <emilio@elopez.com.ar>
6 */
7
8#include <linux/clk-provider.h>
9#include <linux/of.h>
10#include <linux/of_address.h>
11
12#define SUN4I_CODEC_GATE	31
13
14static void __init sun4i_codec_clk_setup(struct device_node *node)
15{
16	struct clk *clk;
17	const char *clk_name = node->name, *parent_name;
18	void __iomem *reg;
19
20	reg = of_io_request_and_map(node, 0, of_node_full_name(node));
21	if (IS_ERR(reg))
22		return;
23
24	of_property_read_string(node, "clock-output-names", &clk_name);
25	parent_name = of_clk_get_parent_name(node, 0);
26
27	clk = clk_register_gate(NULL, clk_name, parent_name,
28				CLK_SET_RATE_PARENT, reg,
29				SUN4I_CODEC_GATE, 0, NULL);
30
31	if (!IS_ERR(clk))
32		of_clk_add_provider(node, of_clk_src_simple_get, clk);
33}
34CLK_OF_DECLARE(sun4i_codec, "allwinner,sun4i-a10-codec-clk",
35	       sun4i_codec_clk_setup);
36