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authorTom Rini <trini@konsulko.com>2019-01-15 22:05:28 -0500
committerTom Rini <trini@konsulko.com>2019-01-15 22:05:28 -0500
commitf4cfd73943032729c9ad6ddd054bcf2ff8205b6d (patch)
tree6b27ecf56538f56bbdbb95d84747a1f819326caa /drivers/i2c/i2c-cdns.c
parent0cd35f392000fb0783149d9b5f66c5f2e01bcbf1 (diff)
parent1d7b6a5c4f879dd36ac07ad76ec31eb4fcd2b65b (diff)
Merge branch 'master' of git://git.denx.de/u-boot-i2c
Diffstat (limited to 'drivers/i2c/i2c-cdns.c')
-rw-r--r--drivers/i2c/i2c-cdns.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-cdns.c b/drivers/i2c/i2c-cdns.c
index 30be173343..f2c4b2073c 100644
--- a/drivers/i2c/i2c-cdns.c
+++ b/drivers/i2c/i2c-cdns.c
@@ -17,6 +17,7 @@
#include <fdtdec.h>
#include <mapmem.h>
#include <wait_bit.h>
+#include <clk.h>
/* i2c register set */
struct cdns_i2c_regs {
@@ -415,6 +416,8 @@ static int cdns_i2c_ofdata_to_platdata(struct udevice *dev)
struct i2c_cdns_bus *i2c_bus = dev_get_priv(dev);
struct cdns_i2c_platform_data *pdata =
(struct cdns_i2c_platform_data *)dev_get_driver_data(dev);
+ struct clk clk;
+ int ret;
i2c_bus->regs = (struct cdns_i2c_regs *)devfdt_get_addr(dev);
if (!i2c_bus->regs)
@@ -423,7 +426,11 @@ static int cdns_i2c_ofdata_to_platdata(struct udevice *dev)
if (pdata)
i2c_bus->quirks = pdata->quirks;
- i2c_bus->input_freq = 100000000; /* TODO hardcode input freq for now */
+ ret = clk_get_by_index(dev, 0, &clk);
+ if (ret)
+ return ret;
+
+ i2c_bus->input_freq = clk_get_rate(&clk);
return 0;
}