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>
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index d2fa222..2e481ab 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -657,6 +657,7 @@
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 @@
}
/* 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;