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mtd: nand: denali_dt: add clock support
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.masahiro@socionext.com>
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2 changed files with 13 additions and 0 deletions
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@ -435,6 +435,7 @@ struct nand_buf {
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struct denali_nand_info {
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struct nand_chip nand;
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unsigned long clk_x_rate; /* bus interface clock rate */
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int flash_bank; /* currently selected chip */
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int status;
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int platform;
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@ -6,6 +6,7 @@
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*/
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#include <common.h>
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#include <clk.h>
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#include <dm.h>
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#include <linux/io.h>
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#include <linux/ioport.h>
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@ -52,6 +53,7 @@ static int denali_dt_probe(struct udevice *dev)
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{
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struct denali_nand_info *denali = dev_get_priv(dev);
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const struct denali_dt_data *data;
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struct clk clk;
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struct resource res;
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int ret;
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@ -73,6 +75,16 @@ static int denali_dt_probe(struct udevice *dev)
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denali->flash_mem = devm_ioremap(dev, res.start, resource_size(&res));
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ret = clk_get_by_index(dev, 0, &clk);
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if (ret)
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return ret;
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ret = clk_enable(&clk);
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if (ret)
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return ret;
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denali->clk_x_rate = clk_get_rate(&clk);
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return denali_init(denali);
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}
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