xref: /OK3568_Linux_fs/kernel/arch/nios2/platform/platform.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2013 Altera Corporation
3*4882a593Smuzhiyun  * Copyright (C) 2011 Thomas Chou
4*4882a593Smuzhiyun  * Copyright (C) 2011 Walter Goossens
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * This file is subject to the terms and conditions of the GNU General
7*4882a593Smuzhiyun  * Public License. See the file COPYING in the main directory of this
8*4882a593Smuzhiyun  * archive for more details.
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <linux/init.h>
12*4882a593Smuzhiyun #include <linux/of_address.h>
13*4882a593Smuzhiyun #include <linux/of_fdt.h>
14*4882a593Smuzhiyun #include <linux/err.h>
15*4882a593Smuzhiyun #include <linux/slab.h>
16*4882a593Smuzhiyun #include <linux/sys_soc.h>
17*4882a593Smuzhiyun #include <linux/io.h>
18*4882a593Smuzhiyun #include <linux/clk-provider.h>
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun static const struct of_device_id clk_match[] __initconst = {
21*4882a593Smuzhiyun 	{ .compatible = "fixed-clock", .data = of_fixed_clk_setup, },
22*4882a593Smuzhiyun 	{}
23*4882a593Smuzhiyun };
24*4882a593Smuzhiyun 
nios2_soc_device_init(void)25*4882a593Smuzhiyun static int __init nios2_soc_device_init(void)
26*4882a593Smuzhiyun {
27*4882a593Smuzhiyun 	struct soc_device *soc_dev;
28*4882a593Smuzhiyun 	struct soc_device_attribute *soc_dev_attr;
29*4882a593Smuzhiyun 	const char *machine;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
32*4882a593Smuzhiyun 	if (soc_dev_attr) {
33*4882a593Smuzhiyun 		machine = of_flat_dt_get_machine_name();
34*4882a593Smuzhiyun 		if (machine)
35*4882a593Smuzhiyun 			soc_dev_attr->machine = kasprintf(GFP_KERNEL, "%s",
36*4882a593Smuzhiyun 						machine);
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun 		soc_dev_attr->family = "Nios II";
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun 		soc_dev = soc_device_register(soc_dev_attr);
41*4882a593Smuzhiyun 		if (IS_ERR(soc_dev)) {
42*4882a593Smuzhiyun 			kfree(soc_dev_attr->machine);
43*4882a593Smuzhiyun 			kfree(soc_dev_attr);
44*4882a593Smuzhiyun 		}
45*4882a593Smuzhiyun 	}
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun 	of_clk_init(clk_match);
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun 	return 0;
50*4882a593Smuzhiyun }
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun device_initcall(nios2_soc_device_init);
53