Enable clock in the probe hook. The clock rate will be necessary
when setup_data_interface hook is supported.
Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---
drivers/mtd/nand/denali.h | 1 +
drivers/mtd/nand/denali_dt.c | 12 ++++++++++++
2 files changed, 13 insertions(+)
diff --git a/drivers/mtd/nand/denali.h b/drivers/mtd/nand/denali.h
index 08db488..f796f0d 100644
--- a/drivers/mtd/nand/denali.h
+++ b/drivers/mtd/nand/denali.h
@@ -435,6 +435,7 @@ struct nand_buf {
struct denali_nand_info {
struct nand_chip nand;
+ unsigned long clk_x_rate; /* bus interface clock rate */
int flash_bank; /* currently selected chip */
int status;
int platform;
diff --git a/drivers/mtd/nand/denali_dt.c b/drivers/mtd/nand/denali_dt.c
index 4afd679..805c066 100644
--- a/drivers/mtd/nand/denali_dt.c
+++ b/drivers/mtd/nand/denali_dt.c
@@ -6,6 +6,7 @@
*/
#include <common.h>
+#include <clk.h>
#include <dm.h>
#include <linux/io.h>
#include <linux/ioport.h>
@@ -52,6 +53,7 @@ static int denali_dt_probe(struct udevice *dev)
{
struct denali_nand_info *denali = dev_get_priv(dev);
const struct denali_dt_data *data;
+ struct clk clk;
struct resource res;
int ret;
@@ -73,6 +75,16 @@ static int denali_dt_probe(struct udevice *dev)
denali->flash_mem = devm_ioremap(dev, res.start, resource_size(&res));
+ ret = clk_get_by_index(dev, 0, &clk);
+ if (ret)
+ return ret;
+
+ ret = clk_enable(&clk);
+ if (ret)
+ return ret;
+
+ denali->clk_x_rate = clk_get_rate(&clk);
+
return denali_init(denali);
}
--
2.7.4
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