cmd: clk: Add trivial implementation of clock dump for DM

[thirdparty/u-boot.git] / cmd / clk.c

diff --git a/cmd/clk.c b/cmd/clk.c
index 73fb25092b32fa8589e7daf319acf6bb9b691460..fd4231589c5cb4d70cc69a9d613a26d504777d8d 100644 (file)
--- a/cmd/clk.c
+++ b/cmd/clk.c
@@ -5,11 +5,48 @@
 #include <common.h>
 #include <command.h>
 #include <clk.h>
+#if defined(CONFIG_DM) && defined(CONFIG_CLK)
+#include <dm.h>
+#include <dm/device-internal.h>
+#endif
 
 int __weak soc_clk_dump(void)
 {
+#if defined(CONFIG_DM) && defined(CONFIG_CLK)
+       struct udevice *dev;
+       struct uclass *uc;
+       struct clk clk;
+       int ret;
+
+       /* Device addresses start at 1 */
+       ret = uclass_get(UCLASS_CLK, &uc);
+       if (ret)
+               return ret;
+
+       uclass_foreach_dev(dev, uc) {
+               memset(&clk, 0, sizeof(clk));
+               ret = device_probe(dev);
+               if (ret) {
+                       printf("%-30.30s : ? Hz\n", dev->name);
+                       continue;
+               }
+
+               ret = clk_request(dev, &clk);
+               if (ret) {
+                       printf("%-30.30s : ? Hz\n", dev->name);
+                       continue;
+               }
+
+               printf("%-30.30s : %lu Hz\n", dev->name, clk_get_rate(&clk));
+
+               clk_free(&clk);
+       }
+
+       return 0;
+#else
        puts("Not implemented\n");
        return 1;
+#endif
 }
 
 static int do_clk_dump(cmd_tbl_t *cmdtp, int flag, int argc,