arm64: dts: zii-ultra: fix i2c pin configuration

Reduce slew rate and set drive strength to 105 Ohm. The previous settings
had some issues with signal ringing, due to the slew rate being too fast.

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

diff --git a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
index e6469e1..aa05d5f 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-zii-ultra.dtsi
@@ -661,29 +661,29 @@
 
        pinctrl_i2c1: i2c1grp {
                fsl,pins = <
-                       MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL                  0x4000007f
-                       MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA                  0x4000007f
+                       MX8MQ_IOMUXC_I2C1_SCL_I2C1_SCL                  0x40000022
+                       MX8MQ_IOMUXC_I2C1_SDA_I2C1_SDA                  0x400000a2
                >;
        };
 
        pinctrl_i2c2: i2c2grp {
                fsl,pins = <
-                       MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL                  0x4000007f
-                       MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA                  0x4000007f
+                       MX8MQ_IOMUXC_I2C2_SCL_I2C2_SCL                  0x40000022
+                       MX8MQ_IOMUXC_I2C2_SDA_I2C2_SDA                  0x400000a2
                >;
        };
 
        pinctrl_i2c3: i2c3grp {
                fsl,pins = <
-                       MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL                  0x4000007f
-                       MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA                  0x4000007f
+                       MX8MQ_IOMUXC_I2C3_SCL_I2C3_SCL                  0x40000022
+                       MX8MQ_IOMUXC_I2C3_SDA_I2C3_SDA                  0x400000a2
                >;
        };
 
        pinctrl_i2c4: i2c4grp {
                fsl,pins = <
-                       MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL                  0x4000007f
-                       MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA                  0x4000007f
+                       MX8MQ_IOMUXC_I2C4_SCL_I2C4_SCL                  0x40000022
+                       MX8MQ_IOMUXC_I2C4_SDA_I2C4_SDA                  0x400000a2
                >;
        };