Add support for this feature in the core clock code.
Signed-off-by: Simon Glass <s...@chromium.org>
---
drivers/clk/clk-uclass.c | 20 ++++++++++++++++++++
drivers/clk/clk_fixed_rate.c | 2 ++
include/clk.h | 4 ++++
3 files changed, 26 insertions(+)
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index b483c1e..efe2d4e 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -8,6 +8,7 @@
#include <common.h>
#include <clk.h>
#include <dm.h>
+#include <dt-structs.h>
#include <errno.h>
#include <dm/lists.h>
#include <dm/root.h>
@@ -65,6 +66,22 @@ ulong clk_set_periph_rate(struct udevice *dev, int periph,
ulong rate)
}
#if CONFIG_IS_ENABLED(OF_CONTROL)
+# if CONFIG_IS_ENABLED(OF_PLATDATA)
+int clk_get_by_index_platdata(struct udevice *dev, int index,
+ struct phandle_2_cell *cells,
+ struct udevice **clk_devp)
+{
+ int ret;
+
+ if (index != 0)
+ return -ENOSYS;
+ assert(*clk_devp);
+ ret = uclass_get_device(UCLASS_CLK, 0, clk_devp);
+ if (ret)
+ return ret;
+ return cells[0].id;
+}
+# else
int clk_get_by_index(struct udevice *dev, int index, struct udevice **clk_devp)
{
int ret;
@@ -104,6 +121,9 @@ int clk_get_by_index(struct udevice *dev, int index, struct
udevice **clk_devp)
return args.args_count > 0 ? args.args[0] : 0;
#endif
}
+# endif /* OF_PLATDATA */
+#else
+
#endif
UCLASS_DRIVER(clk) = {
diff --git a/drivers/clk/clk_fixed_rate.c b/drivers/clk/clk_fixed_rate.c
index 8beda9c..8c3fb8f 100644
--- a/drivers/clk/clk_fixed_rate.c
+++ b/drivers/clk/clk_fixed_rate.c
@@ -33,9 +33,11 @@ const struct clk_ops clk_fixed_rate_ops = {
static int clk_fixed_rate_ofdata_to_platdata(struct udevice *dev)
{
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
to_clk_fixed_rate(dev)->fixed_rate =
fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"clock-frequency", 0);
+#endif
return 0;
}
diff --git a/include/clk.h b/include/clk.h
index ca20c3d..e4d23be 100644
--- a/include/clk.h
+++ b/include/clk.h
@@ -120,6 +120,10 @@ ulong clk_set_periph_rate(struct udevice *dev, int periph,
ulong rate);
* argument after the clock node phandle. If there is no arguemnt,
* returns 0. Return -ve error code on any error
*/
+struct phandle_2_cell;
+int clk_get_by_index_platdata(struct udevice *dev, int index,
+ struct phandle_2_cell *cells,
+ struct udevice **clk_devp);
int clk_get_by_index(struct udevice *dev, int index, struct udevice
**clk_devp);
#else
static inline int clk_get_by_index(struct udevice *dev, int index,
--
2.8.0.rc3.226.g39d4020
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