Add support for this feature in the core clock code.
Signed-off-by: Simon Glass sjg@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,