clk_round_rate returns the rate a clk rate will result to if called
clk_set_rate on it with that rate. Add a command for it as it comes
in handy sometimes for testing and debugging purposes.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
commands/clk.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/commands/clk.c b/commands/clk.c
index 649a0a7cb2..2e21e9df58 100644
--- a/commands/clk.c
+++ b/commands/clk.c
@@ -82,6 +82,38 @@ BAREBOX_CMD_START(clk_set_rate)
BAREBOX_CMD_COMPLETE(clk_name_complete)
BAREBOX_CMD_END
+static int do_clk_round_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);
+
+ printf("%ld\n", clk_round_rate(clk, rate));
+
+ return 0;
+}
+
+BAREBOX_CMD_HELP_START(clk_round_rate)
+BAREBOX_CMD_HELP_TEXT("Set clock CLK to RATE")
+BAREBOX_CMD_HELP_END
+
+BAREBOX_CMD_START(clk_round_rate)
+ .cmd = do_clk_round_rate,
+ BAREBOX_CMD_DESC("set a clocks rate")
+ BAREBOX_CMD_OPTS("CLK HZ")
+ BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
+ BAREBOX_CMD_HELP(cmd_clk_round_rate_help)
+ BAREBOX_CMD_COMPLETE(clk_name_complete)
+BAREBOX_CMD_END
+
static int do_clk_get_rate(int argc, char *argv[])
{
int opt;
--
2.29.2
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