ARM: dts: imx6: RDU2: reduce i2c drive-strength

The current 25 Ohm drive-strength is much too strong, resulting in
significant overshoot of the signal. Reduce the drive-strength to
75 Ohm to get rid of those issues.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index 04a6633..5632389 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -984,22 +984,22 @@
 
        pinctrl_i2c1: i2c1grp {
                fsl,pins = <
-                       MX6QDL_PAD_CSI0_DAT8__I2C1_SDA          0x4001b8b1
-                       MX6QDL_PAD_CSI0_DAT9__I2C1_SCL          0x4001b8b1
+                       MX6QDL_PAD_CSI0_DAT8__I2C1_SDA          0x4001b811
+                       MX6QDL_PAD_CSI0_DAT9__I2C1_SCL          0x4001b811
                >;
        };
 
        pinctrl_i2c2: i2c2grp {
                fsl,pins = <
-                       MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b8b1
-                       MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b8b1
+                       MX6QDL_PAD_KEY_COL3__I2C2_SCL           0x4001b811
+                       MX6QDL_PAD_KEY_ROW3__I2C2_SDA           0x4001b811
                >;
        };
 
        pinctrl_i2c3: i2c3grp {
                fsl,pins = <
-                       MX6QDL_PAD_GPIO_3__I2C3_SCL             0x4001b8b1
-                       MX6QDL_PAD_GPIO_6__I2C3_SDA             0x4001b8b1
+                       MX6QDL_PAD_GPIO_3__I2C3_SCL             0x4001b811
+                       MX6QDL_PAD_GPIO_6__I2C3_SDA             0x4001b811
                >;
        };