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#include <common.h>
#include <command.h>
#include <getopt.h>
#include <linux/clk.h>
#include <linux/err.h>
static int do_clk_enable(int argc, char *argv[])
{
struct clk *clk;
if (argc != 2)
return COMMAND_ERROR_USAGE;
clk = clk_lookup(argv[1]);
if (IS_ERR(clk))
return PTR_ERR(clk);
return clk_enable(clk);
}
BAREBOX_CMD_HELP_START(clk_enable)
BAREBOX_CMD_HELP_USAGE("clk_enable <clk>\n")
BAREBOX_CMD_HELP_SHORT("enable <clk>\n")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_enable)
.cmd = do_clk_enable,
.usage = "enable a clock",
BAREBOX_CMD_HELP(cmd_clk_enable_help)
BAREBOX_CMD_END
static int do_clk_disable(int argc, char *argv[])
{
struct clk *clk;
if (argc != 2)
return COMMAND_ERROR_USAGE;
clk = clk_lookup(argv[1]);
if (IS_ERR(clk))
return PTR_ERR(clk);
clk_disable(clk);
return 0;
}
BAREBOX_CMD_HELP_START(clk_disable)
BAREBOX_CMD_HELP_USAGE("clk_disable <clk>\n")
BAREBOX_CMD_HELP_SHORT("disable <clk>\n")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_disable)
.cmd = do_clk_disable,
.usage = "disable a clock",
BAREBOX_CMD_HELP(cmd_clk_disable_help)
BAREBOX_CMD_END
static int do_clk_set_rate(int argc, char *argv[])
{
struct clk *clk;
unsigned long rate;
if (argc != 3)
return COMMAND_ERROR_USAGE;
clk = clk_lookup(argv[1]);
if (IS_ERR(clk))
return PTR_ERR(clk);
rate = simple_strtoul(argv[2], NULL, 0);
return clk_set_rate(clk, rate);
}
BAREBOX_CMD_HELP_START(clk_set_rate)
BAREBOX_CMD_HELP_USAGE("clk_set_rate <clk> <rate_hz>\n")
BAREBOX_CMD_HELP_SHORT("Set clock <clk> to <rate>\n")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_set_rate)
.cmd = do_clk_set_rate,
.usage = "set a clocks rate",
BAREBOX_CMD_HELP(cmd_clk_set_rate_help)
BAREBOX_CMD_END
static int do_clk_dump(int argc, char *argv[])
{
int opt, verbose = 0;
while ((opt = getopt(argc, argv, "v")) > 0) {
switch(opt) {
case 'v':
verbose = 1;
break;
default:
return -EINVAL;
}
}
clk_dump(verbose);
return 0;
}
BAREBOX_CMD_HELP_START(clk_dump)
BAREBOX_CMD_HELP_USAGE("clk_dump [-v]\n")
BAREBOX_CMD_HELP_OPT ("-v", "verbose\n")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_dump)
.cmd = do_clk_dump,
.usage = "show information about registered clocks",
BAREBOX_CMD_HELP(cmd_clk_dump_help)
BAREBOX_CMD_END
static int do_clk_set_parent(int argc, char *argv[])
{
struct clk *clk, *parent;
if (argc != 3)
return COMMAND_ERROR_USAGE;
clk = clk_lookup(argv[1]);
if (IS_ERR(clk))
return PTR_ERR(clk);
parent = clk_lookup(argv[2]);
if (IS_ERR(parent))
return PTR_ERR(parent);
return clk_set_parent(clk, parent);
}
BAREBOX_CMD_HELP_START(clk_set_parent)
BAREBOX_CMD_HELP_USAGE("clk_set_parent <clk> <parent>\n")
BAREBOX_CMD_HELP_SHORT("Set parent of <clk> to <parent>\n")
BAREBOX_CMD_HELP_END
BAREBOX_CMD_START(clk_set_parent)
.cmd = do_clk_set_parent,
.usage = "set a parent of a clock",
BAREBOX_CMD_HELP(cmd_clk_set_parent_help)
BAREBOX_CMD_END
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