ARM: dts: imx6ul-isiot: Add i2c nodes

Add support for i2c nodes i2c1 and i2c2 on Is.IoT MX6UL
eMMC variant boards.

Cc: Matteo Lisi <matteo.lisi@engicam.com>
Cc: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6ul-isiot.dtsi b/arch/arm/boot/dts/imx6ul-isiot.dtsi
index 5ccc3df..4697a04 100644 (file)
--- a/arch/arm/boot/dts/imx6ul-isiot.dtsi
+++ b/arch/arm/boot/dts/imx6ul-isiot.dtsi
@@ -71,6 +71,20 @@
        };
 };
 
+&i2c1 {
+       clock-frequency = <100000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c1>;
+       status = "okay";
+};
+
+&i2c2 {
+       clock_frequency = <100000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c2>;
+       status = "okay";
+};
+
 &pwm8 {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_pwm8>;
@@ -95,6 +109,20 @@
 };
 
 &iomuxc {
+       pinctrl_i2c1: i2c1grp {
+               fsl,pins = <
+                       MX6UL_PAD_UART4_TX_DATA__I2C1_SCL 0x4001b8b0
+                       MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0
+               >;
+       };
+
+       pinctrl_i2c2: i2c2grp {
+               fsl,pins = <
+                       MX6UL_PAD_GPIO1_IO00__I2C2_SCL 0x4001b8b0
+                       MX6UL_PAD_GPIO1_IO01__I2C2_SDA 0x4001b8b0
+               >;
+       };
+
        pinctrl_pwm8: pwm8grp {
                fsl,pins = <
                        MX6UL_PAD_ENET1_RX_ER__PWM8_OUT   0x110b0