ARM: dts: AM33XX: Add default pinctrl binding for I2C device

Add pin control binding for I2C device nodes in all
board specific DT files (as per current usage),

EVM: Both i2c0 and i2c1
EVM-SK and Bone: Only i2c0
Signed-off-by: NVaibhav Hiremath <hvaibhav@ti.com>
Acked-by: NMatt Porter <mporter@ti.com>
Signed-off-by: NBenoit Cousson <benoit.cousson@linaro.org>

arch/arm/boot/dts/am335x-bone.dts

@@ -36,6 +36,13 @@
 				0x60 0x17	/* gpmc_a8.gpio1_24, OUTPUT_PULLUP | MODE7 */
 			>;
 		};
+
+		i2c0_pins: pinmux_i2c0_pins {
+			pinctrl-single,pins = <
+				0x188 0x30	/* i2c0_sda.i2c0_sda PULLUP | INPUTENABLE | MODE0 */
+				0x18c 0x30	/* i2c0_scl.i2c0_scl PULLUP | INPUTENABLE | MODE0 */
+			>;
+		};
 	};
 
 	ocp {
@@ -44,6 +51,9 @@
 		};
 
 		i2c0: i2c@44e0b000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pins>;
+
 			status = "okay";
 			clock-frequency = <400000>;
 

arch/arm/boot/dts/am335x-evm.dts

@@ -44,6 +44,20 @@
 				0x154 0x27	/* spi0_d0.gpio0_3, INPUT | MODE7 */
 			>;
 		};
+
+		i2c0_pins: pinmux_i2c0_pins {
+			pinctrl-single,pins = <
+				0x188 0x30	/* i2c0_sda.i2c0_sda PULLUP | INPUTENABLE | MODE0 */
+				0x18c 0x30	/* i2c0_scl.i2c0_scl PULLUP | INPUTENABLE | MODE0 */
+			>;
+		};
+
+		i2c1_pins: pinmux_i2c1_pins {
+			pinctrl-single,pins = <
+				0x158 0x32	/* spi0_d1.i2c1_sda PULLUP | INPUTENABLE | MODE2 */
+				0x15c 0x32	/* spi0_cs0.i2c1_scl PULLUP | INPUTENABLE | MODE2 */
+			>;
+		};
 	};
 
 	ocp {
@@ -52,6 +66,9 @@
 		};
 
 		i2c0: i2c@44e0b000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pins>;
+
 			status = "okay";
 			clock-frequency = <400000>;
 
@@ -61,6 +78,9 @@
 		};
 
 		i2c1: i2c@4802a000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c1_pins>;
+
 			status = "okay";
 			clock-frequency = <100000>;
 

arch/arm/boot/dts/am335x-evmsk.dts

@@ -51,6 +51,13 @@
 				0x9c 0x27	/* gpmc_ben0_cle.gpio2_5, INPUT | MODE7 */
 			>;
 		};
+
+		i2c0_pins: pinmux_i2c0_pins {
+			pinctrl-single,pins = <
+				0x188 0x30	/* i2c0_sda.i2c0_sda PULLUP | INPUTENABLE | MODE0 */
+				0x18c 0x30	/* i2c0_scl.i2c0_scl PULLUP | INPUTENABLE | MODE0 */
+			>;
+		};
 	};
 
 	ocp {
@@ -59,6 +66,9 @@
 		};
 
 		i2c0: i2c@44e0b000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pins>;
+
 			status = "okay";
 			clock-frequency = <400000>;