xref: /linux/arch/nios2/platform/platform.c (revision ead5d1f4d877e92c051e1a1ade623d0d30e71619)
1 /*
2  * Copyright (C) 2013 Altera Corporation
3  * Copyright (C) 2011 Thomas Chou
4  * Copyright (C) 2011 Walter Goossens
5  *
6  * This file is subject to the terms and conditions of the GNU General
7  * Public License. See the file COPYING in the main directory of this
8  * archive for more details.
9  */
10 
11 #include <linux/init.h>
12 #include <linux/of_address.h>
13 #include <linux/of_fdt.h>
14 #include <linux/err.h>
15 #include <linux/slab.h>
16 #include <linux/sys_soc.h>
17 #include <linux/io.h>
18 #include <linux/clk-provider.h>
19 
20 static const struct of_device_id clk_match[] __initconst = {
21 	{ .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
22 	{}
23 };
24 
nios2_soc_device_init(void)25 static int __init nios2_soc_device_init(void)
26 {
27 	struct soc_device *soc_dev;
28 	struct soc_device_attribute *soc_dev_attr;
29 	const char *machine;
30 
31 	soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
32 	if (soc_dev_attr) {
33 		machine = of_flat_dt_get_machine_name();
34 		if (machine)
35 			soc_dev_attr->machine = kasprintf(GFP_KERNEL, "%s",
36 						machine);
37 
38 		soc_dev_attr->family = "Nios II";
39 
40 		soc_dev = soc_device_register(soc_dev_attr);
41 		if (IS_ERR(soc_dev)) {
42 			kfree(soc_dev_attr->machine);
43 			kfree(soc_dev_attr);
44 		}
45 	}
46 
47 	of_clk_init(clk_match);
48 
49 	return 0;
50 }
51 
52 device_initcall(nios2_soc_device_init);
53