Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
commands/Kconfig | 7 +++++++
drivers/clk/clkdev.c | 33 +++++++++++++++++++++++++++++++++
2 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/commands/Kconfig b/commands/Kconfig
index 57c9b75..fe13f90 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -338,4 +338,11 @@ config CMD_I2C
include i2c_probe, i2c_read and i2c_write commands to communicate
on i2c bus.
+config CMD_CLOCK_INFO
+ bool
+ depends on CLKDEV_LOOKUP
+ prompt "clock info command"
+ help
+ show list of registered clock
+
endmenu
diff --git a/drivers/clk/clkdev.c b/drivers/clk/clkdev.c
index 717fea5..49d98df 100644
--- a/drivers/clk/clkdev.c
+++ b/drivers/clk/clkdev.c
@@ -11,6 +11,7 @@
*/
#include <common.h>
+#include <command.h>
#include <linux/list.h>
#include <errno.h>
#include <linux/err.h>
@@ -166,3 +167,35 @@ void clkdev_drop(struct clk_lookup *cl)
kfree(cl);
}
EXPORT_SYMBOL(clkdev_drop);
+
+#ifdef CONFIG_CMD_CLOCK_INFO
+static int do_clock_info(struct command *cmdtp, int argc, char *argv[])
+{
+ struct clk_lookup *p;
+
+ puts("Global clocks:\n");
+
+ list_for_each_entry(p, &clocks, node)
+ if (!p->dev_id)
+ printf("%s: %#wHz\n", p->con_id, clk_get_rate(p->clk));
+
+ puts("Device specific clocks:\n");
+
+ list_for_each_entry(p, &clocks, node)
+ if (p->dev_id)
+ printf("%s[%s]: %#wHz\n", p->con_id, p->dev_id,
+ clk_get_rate(p->clk));
+
+ return 0;
+}
+
+static const __maybe_unused char cmd_clock_info_help[] =
+"Print clocks info\n"
+;
+
+BAREBOX_CMD_START(clock_info)
+ .cmd = do_clock_info,
+ .usage = "Clocks Info",
+ BAREBOX_CMD_HELP(cmd_clock_info_help)
+BAREBOX_CMD_END
+#endif
--
1.7.1
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