[PATCH v3 4/5] i2c: i2c_cdns: Enable i2c clock
Michal Simek
michal.simek at xilinx.com
Mon Feb 15 10:56:10 CET 2021
From: T Karthik Reddy <t.karthik.reddy at xilinx.com>
Enable i2c controller clock from driver probe function
by calling clk_enable().
Signed-off-by: T Karthik Reddy <t.karthik.reddy at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
Reviewed-by: Heiko Schocher <hs at denx.de>
---
(no changes since v1)
drivers/i2c/i2c-cdns.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/i2c/i2c-cdns.c b/drivers/i2c/i2c-cdns.c
index db3c04fa6e75..a650dd69b89f 100644
--- a/drivers/i2c/i2c-cdns.c
+++ b/drivers/i2c/i2c-cdns.c
@@ -15,6 +15,7 @@
#include <linux/types.h>
#include <linux/io.h>
#include <linux/errno.h>
+#include <dm/device_compat.h>
#include <dm/root.h>
#include <i2c.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);
+ ret = clk_enable(&clk);
+ if (ret) {
+ dev_err(dev, "failed to enable clock\n");
+ return ret;
+ }
+
return 0;
}
--
2.30.0
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