The clock period for the bitbanged I2C bus is equal to 2*delay-us.
This modification sets te correct delay-us value to 5 for a desired
frequency of 100KHz.
The old value of 2 for delay-us set a frequency of 250KHz and not
100KHz as stated in the comment.
Signed-off-by: Sebastian Panceac <spanceac@xxxxxxxxx>
---
Documentation/devicetree/bindings/i2c/i2c-gpio.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/i2c/i2c-gpio.txt b/Documentation/devicetree/bindings/i2c/i2c-gpio.txt
index 38a0556..d418b0e 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-gpio.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-gpio.txt
@@ -35,7 +35,7 @@ i2c@0 {
compatible = "i2c-gpio";
sda-gpios = <&pioA 23 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
scl-gpios = <&pioA 24 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
- i2c-gpio,delay-us = <2>; /* ~100 kHz */
+ i2c-gpio,delay-us = <5>; /* ~100 kHz */
#address-cells = <1>;
#size-cells = <0>;
--
2.7.4
