i2c: sh_mobile: honor DT bus speed settings

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index d2fa222df3d1..2e481abd50ce 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -657,6 +657,7 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
         struct resource *res;
         int size;
         int ret;
+        u32 bus_speed;
 
         pd = kzalloc(sizeof(struct sh_mobile_i2c_data), GFP_KERNEL);
         if (pd == NULL) {
@@ -697,7 +698,9 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
         }
 
         /* Use platform data bus speed or STANDARD_MODE */
-        pd->bus_speed = STANDARD_MODE;
+        ret = of_property_read_u32(dev->dev.of_node, "clock-frequency", &bus_speed);
+        pd->bus_speed = ret ? STANDARD_MODE : bus_speed;
+
         if (pdata && pdata->bus_speed)
                 pd->bus_speed = pdata->bus_speed;
         pd->clks_per_count = 1;