clk: at91: Fix at91-pmc and at91-sckc's class ID

The at91-pmc and at91-sckc aren't the clock providers, change their
class ID from UCLASS_CLK to UCLASS_SIMPLE_BUS, they also don't
need to bind the child nodes explicitly, the .post_bind callback
of simple_bus uclass will do it for them.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

drivers/clk/at91/pmc.c

@@ -14,21 +14,15 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static int at91_pmc_bind(struct udevice *dev)
-{
-	return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
-}
-
 static const struct udevice_id at91_pmc_match[] = {
 	{ .compatible = "atmel,sama5d2-pmc" },
 	{}
 };
 
 U_BOOT_DRIVER(at91_pmc) = {
-	.name = "at91-pmc-core",
-	.id = UCLASS_CLK,
+	.name = "at91-pmc",
+	.id = UCLASS_SIMPLE_BUS,
 	.of_match = at91_pmc_match,
-	.bind = at91_pmc_bind,
 };
 
 int at91_pmc_core_probe(struct udevice *dev)

drivers/clk/at91/sckc.c

@@ -6,25 +6,18 @@
  */
 
 #include <common.h>
-#include <clk-uclass.h>
 #include <dm/device.h>
 #include <dm/root.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static int at91_sckc_clk_bind(struct udevice *dev)
-{
-	return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
-}
-
-static const struct udevice_id at91_sckc_clk_match[] = {
+static const struct udevice_id at91_sckc_match[] = {
 	{ .compatible = "atmel,at91sam9x5-sckc" },
 	{}
 };
 
-U_BOOT_DRIVER(at91_sckc_clk) = {
-	.name = "at91_sckc_clk",
-	.id = UCLASS_CLK,
-	.of_match = at91_sckc_clk_match,
-	.bind = at91_sckc_clk_bind,
+U_BOOT_DRIVER(at91_sckc) = {
+	.name = "at91-sckc",
+	.id = UCLASS_SIMPLE_BUS,
+	.of_match = at91_sckc_match,
 };