ARM: dts: imx7s-warp: enable i2c3 device support

The WaRP7 has one mikroBUS socket on the back to plug click boards.
This patch allows to interact with some of these
i2c modules (EEPROM, RTC and so on).

Signed-off-by: Pierre-Jean Texier <texier.pj2@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7s-warp.dts b/arch/arm/boot/dts/imx7s-warp.dts
index fa390da..b3d0951 100644 (file)
--- a/arch/arm/boot/dts/imx7s-warp.dts
+++ b/arch/arm/boot/dts/imx7s-warp.dts
@@ -216,6 +216,13 @@
        status = "okay";
 };
 
+&i2c3 {
+       clock-frequency = <100000>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c3>;
+       status = "okay";
+};
+
 &i2c4 {
        clock-frequency = <100000>;
        pinctrl-names = "default";
@@ -346,6 +353,13 @@
                >;
        };
 
+       pinctrl_i2c3: i2c3grp {
+               fsl,pins = <
+                       MX7D_PAD_I2C3_SDA__I2C3_SDA     0x4000007f
+                       MX7D_PAD_I2C3_SCL__I2C3_SCL     0x4000007f
+               >;
+       };
+
        pinctrl_i2c4: i2c4grp {
                fsl,pins = <
                        MX7D_PAD_I2C4_SCL__I2C4_SCL     0x4000007f