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#include <common.h>
#include <command.h>
#include <getopt.h>
#include <mach/imx-regs.h>
#include <mach/clock.h>
static int do_clko(int argc, char *argv[])
{
int opt, div = 0, src = -2, num = 1, ret;
while((opt = getopt(argc, argv, "n:d:s:")) > 0) {
switch(opt) {
case 'n':
num = simple_strtoul(optarg, NULL, 0);
break;
case 'd':
div = simple_strtoul(optarg, NULL, 0);
break;
case 's':
src = simple_strtol(optarg, NULL, 0);
break;
}
}
if (div == 0 && src == -2)
return COMMAND_ERROR_USAGE;
if (src == -1) {
imx_clko_set_src(num, -1);
return 0;
}
if (src != -2)
imx_clko_set_src(num, src);
if (div != 0) {
ret = imx_clko_set_div(num, div);
if (ret < 0)
printf("CLKO-line %i not supported.\n", num);
else if (ret != div)
printf("Divider limited to %d.\n", ret);
}
return 0;
}
static __maybe_unused char cmd_clko_help[] =
"Usage: clko [OPTION]...\n"
"Route different signals to the i.MX clko pin\n"
" -n <num> Number of CLKO-line (Default 1)\n"
" -d <div> Divider\n"
" -s <source> Clock select. See Ref. Manual for valid sources. Use -1\n"
" for disabling clock output\n";
BAREBOX_CMD_START(clko)
.cmd = do_clko,
.usage = "Adjust CLKO setting",
BAREBOX_CMD_HELP(cmd_clko_help)
BAREBOX_CMD_END
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