1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright 2013 Emilio López
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Emilio López <emilio@elopez.com.ar>
6*4882a593Smuzhiyun */
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun #include <linux/clk-provider.h>
9*4882a593Smuzhiyun #include <linux/of.h>
10*4882a593Smuzhiyun #include <linux/of_address.h>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #define SUN4I_CODEC_GATE 31
13*4882a593Smuzhiyun
sun4i_codec_clk_setup(struct device_node * node)14*4882a593Smuzhiyun static void __init sun4i_codec_clk_setup(struct device_node *node)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun struct clk *clk;
17*4882a593Smuzhiyun const char *clk_name = node->name, *parent_name;
18*4882a593Smuzhiyun void __iomem *reg;
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun reg = of_io_request_and_map(node, 0, of_node_full_name(node));
21*4882a593Smuzhiyun if (IS_ERR(reg))
22*4882a593Smuzhiyun return;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun of_property_read_string(node, "clock-output-names", &clk_name);
25*4882a593Smuzhiyun parent_name = of_clk_get_parent_name(node, 0);
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun clk = clk_register_gate(NULL, clk_name, parent_name,
28*4882a593Smuzhiyun CLK_SET_RATE_PARENT, reg,
29*4882a593Smuzhiyun SUN4I_CODEC_GATE, 0, NULL);
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun if (!IS_ERR(clk))
32*4882a593Smuzhiyun of_clk_add_provider(node, of_clk_src_simple_get, clk);
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun CLK_OF_DECLARE(sun4i_codec, "allwinner,sun4i-a10-codec-clk",
35*4882a593Smuzhiyun sun4i_codec_clk_setup);
36