Merge branch 'master' of git://git.denx.de/u-boot
[platform/kernel/u-boot.git] / common / cmd_clk.c
1 /*
2  * Copyright (C) 2013 Xilinx, Inc.
3  *
4  * SPDX-License-Identifier:     GPL-2.0+
5  */
6 #include <common.h>
7 #include <command.h>
8 #include <clk.h>
9
10 int __weak soc_clk_dump(void)
11 {
12         puts("Not implemented\n");
13         return 1;
14 }
15
16 static int do_clk_dump(cmd_tbl_t *cmdtp, int flag, int argc,
17                        char *const argv[])
18 {
19         return soc_clk_dump();
20 }
21
22 static cmd_tbl_t cmd_clk_sub[] = {
23         U_BOOT_CMD_MKENT(dump, 1, 1, do_clk_dump, "", ""),
24 };
25
26 static int do_clk(cmd_tbl_t *cmdtp, int flag, int argc,
27                   char *const argv[])
28 {
29         cmd_tbl_t *c;
30
31         if (argc < 2)
32                 return CMD_RET_USAGE;
33
34         /* Strip off leading 'clk' command argument */
35         argc--;
36         argv++;
37
38         c = find_cmd_tbl(argv[0], &cmd_clk_sub[0], ARRAY_SIZE(cmd_clk_sub));
39
40         if (c)
41                 return c->cmd(cmdtp, flag, argc, argv);
42         else
43                 return CMD_RET_USAGE;
44 }
45
46 #ifdef CONFIG_SYS_LONGHELP
47 static char clk_help_text[] =
48         "dump - Print clock frequencies";
49 #endif
50
51 U_BOOT_CMD(clk, 2, 1, do_clk, "CLK sub-system", clk_help_text);