136 lines
2.5 KiB
C
136 lines
2.5 KiB
C
#include <common.h>
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#include <command.h>
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#include <getopt.h>
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#include <linux/clk.h>
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#include <linux/err.h>
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static int do_clk_enable(int argc, char *argv[])
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{
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struct clk *clk;
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if (argc != 2)
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return COMMAND_ERROR_USAGE;
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clk = clk_lookup(argv[1]);
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if (IS_ERR(clk))
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return PTR_ERR(clk);
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return clk_enable(clk);
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}
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BAREBOX_CMD_START(clk_enable)
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.cmd = do_clk_enable,
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BAREBOX_CMD_DESC("enable a clock")
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BAREBOX_CMD_OPTS("CLK")
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BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
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BAREBOX_CMD_END
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static int do_clk_disable(int argc, char *argv[])
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{
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struct clk *clk;
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if (argc != 2)
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return COMMAND_ERROR_USAGE;
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clk = clk_lookup(argv[1]);
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if (IS_ERR(clk))
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return PTR_ERR(clk);
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clk_disable(clk);
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return 0;
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}
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BAREBOX_CMD_START(clk_disable)
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.cmd = do_clk_disable,
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BAREBOX_CMD_DESC("disable a clock")
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BAREBOX_CMD_OPTS("CLK")
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BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
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BAREBOX_CMD_END
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static int do_clk_set_rate(int argc, char *argv[])
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{
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struct clk *clk;
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unsigned long rate;
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if (argc != 3)
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return COMMAND_ERROR_USAGE;
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clk = clk_lookup(argv[1]);
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if (IS_ERR(clk))
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return PTR_ERR(clk);
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rate = simple_strtoul(argv[2], NULL, 0);
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return clk_set_rate(clk, rate);
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}
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BAREBOX_CMD_HELP_START(clk_set_rate)
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BAREBOX_CMD_HELP_TEXT("Set clock CLK to RATE")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(clk_set_rate)
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.cmd = do_clk_set_rate,
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BAREBOX_CMD_DESC("set a clocks rate")
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BAREBOX_CMD_OPTS("CLK HZ")
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BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
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BAREBOX_CMD_HELP(cmd_clk_set_rate_help)
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BAREBOX_CMD_END
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static int do_clk_dump(int argc, char *argv[])
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{
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int opt, verbose = 0;
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while ((opt = getopt(argc, argv, "v")) > 0) {
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switch(opt) {
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case 'v':
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verbose = 1;
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break;
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default:
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return -EINVAL;
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}
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}
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clk_dump(verbose);
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return 0;
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}
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BAREBOX_CMD_HELP_START(clk_dump)
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BAREBOX_CMD_HELP_TEXT("Options:")
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BAREBOX_CMD_HELP_OPT ("-v", "verbose")
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BAREBOX_CMD_HELP_END
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BAREBOX_CMD_START(clk_dump)
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.cmd = do_clk_dump,
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BAREBOX_CMD_DESC("show information about registered clocks")
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BAREBOX_CMD_OPTS("[-v]")
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BAREBOX_CMD_GROUP(CMD_GRP_INFO)
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BAREBOX_CMD_HELP(cmd_clk_dump_help)
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BAREBOX_CMD_END
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static int do_clk_set_parent(int argc, char *argv[])
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{
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struct clk *clk, *parent;
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if (argc != 3)
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return COMMAND_ERROR_USAGE;
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clk = clk_lookup(argv[1]);
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if (IS_ERR(clk))
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return PTR_ERR(clk);
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parent = clk_lookup(argv[2]);
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if (IS_ERR(parent))
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return PTR_ERR(parent);
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return clk_set_parent(clk, parent);
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}
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BAREBOX_CMD_START(clk_set_parent)
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.cmd = do_clk_set_parent,
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BAREBOX_CMD_DESC("set parent of a clock")
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BAREBOX_CMD_OPTS("CLK PARENT")
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BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
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BAREBOX_CMD_END
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