Add a command that displays the PLLs and their current rate.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
arch/arm/mach-rockchip/board.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c
index 380aa91..133d663 100644
--- a/arch/arm/mach-rockchip/board.c
+++ b/arch/arm/mach-rockchip/board.c
@@ -5,6 +5,7 @@
*/
#include <common.h>
+#include <clk.h>
#include <dm.h>
#include <ram.h>
#include <asm/io.h>
@@ -49,3 +50,26 @@ void enable_caches(void)
void lowlevel_init(void)
{
}
+
+static int do_clock(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ struct udevice *dev;
+
+ for (uclass_first_device(UCLASS_CLK, &dev);
+ dev;
+ uclass_next_device(&dev)) {
+ ulong rate;
+
+ rate = clk_get_rate(dev);
+ printf("%s: %lu\n", dev->name, rate);
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ clock, 2, 1, do_clock,
+ "display information about clocks",
+ ""
+);
--
2.7.0.rc3.207.g0ac5344
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