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i2c: i2c_cdns: Enable i2c clock

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Enable i2c controller clock from driver probe function
by calling clk_enable().

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
T Karthik Reddy
2021-02-03 03:10:46 -07:00
committed by Michal Simek
parent 60b03f1cc4
commit 8faa7913a4
1 changed files with 7 additions and 0 deletions
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7
drivers/i2c/i2c-cdns.c
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@@ -15,6 +15,7 @@
#include <linux/types.h> #include <linux/types.h>
#include <linux/io.h> #include <linux/io.h>
#include <linux/errno.h> #include <linux/errno.h>
#include <dm/device_compat.h>
#include <dm/root.h> #include <dm/root.h>
#include <i2c.h> #include <i2c.h>
#include <fdtdec.h> #include <fdtdec.h>
@@ -481,6 +482,12 @@ static int cdns_i2c_of_to_plat(struct udevice *dev)
i2c_bus->input_freq = clk_get_rate(&clk); i2c_bus->input_freq = clk_get_rate(&clk);
ret = clk_enable(&clk);
if (ret) {
dev_err(dev, "failed to enable clock\n");
return ret;
}
return 0; return 0;
} }