Add pinctrl definitions for Actions Semiconductor S700 I2C controllers.
Pinctrl definitions are only available for I2C0, I2C1 and I2C2.
Enable I2C0 (PMIC), I2C1 (gyro, touchscreen) in cubieboard7.

Signed-off-by: Parthiban Nallathambi <p...@denx.de>
---
 .../boot/dts/actions/s700-cubieboard7.dts     | 53 +++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts 
b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
index 28f3f4a0f7f0..6a75fdd7ab42 100644
--- a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
+++ b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
@@ -37,3 +37,56 @@
 &uart3 {
        status = "okay";
 };
+
+&i2c0 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&i2c0_default>;
+};
+
+&i2c1 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&i2c1_default>;
+};
+
+&i2c2 {
+       status = "disabled";
+       pinctrl-names = "default";
+       pinctrl-0 = <&i2c2_default>;
+};
+
+&pinctrl {
+       i2c0_default: i2c0_default {
+               pinmux {
+                       groups = "i2c0_mfp";
+                       function = "i2c0";
+               };
+               pinconf {
+                       pins = "i2c0_sclk", "i2c0_sdata";
+                       bias-pull-up;
+               };
+       };
+
+       i2c1_default: i2c1_default {
+               pinmux {
+                       groups = "i2c1_dummy";
+                       function = "i2c1";
+               };
+               pinconf {
+                       pins = "i2c1_sclk", "i2c1_sdata";
+                       bias-pull-up;
+               };
+       };
+
+       i2c2_default: i2c2_default {
+               pinmux {
+                       groups = "i2c2_dummy";
+                       function = "i2c2";
+               };
+               pinconf {
+                       pins = "i2c2_sclk", "i2c2_sdata";
+                       bias-pull-up;
+               };
+       };
+};
-- 
2.17.2

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