ARM: dts: add twi nodes for atmel SoCs

Add TWI nodes for atmel SoCs but keep i2c-gpio ones in order to let the
choice to the user in dts files.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>

arch/arm/boot/dts/at91sam9260.dtsi

@@ -28,6 +28,7 @@ aliases {
 		gpio2 = &pioC;
 		tcb0 = &tcb0;
 		tcb1 = &tcb1;
+		i2c0 = &i2c0;
 	};
 	cpus {
 		cpu@0 {
@@ -199,6 +200,15 @@ usb1: gadget@fffa4000 {
 				status = "disabled";
 			};
 
+			i2c0: i2c@fffac000 {
+				compatible = "atmel,at91sam9260-i2c";
+				reg = <0xfffac000 0x100>;
+				interrupts = <11 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
 			adc0: adc@fffe0000 {
 				compatible = "atmel,at91sam9260-adc";
 				reg = <0xfffe0000 0x100>;

arch/arm/boot/dts/at91sam9263.dtsi

@@ -24,6 +24,7 @@ aliases {
 		gpio3 = &pioD;
 		gpio4 = &pioE;
 		tcb0 = &tcb0;
+		i2c0 = &i2c0;
 	};
 	cpus {
 		cpu@0 {
@@ -180,6 +181,15 @@ usb1: gadget@fff78000 {
 				interrupts = <24 4 2>;
 				status = "disabled";
 			};
+
+			i2c0: i2c@fff88000 {
+				compatible = "atmel,at91sam9263-i2c";
+				reg = <0xfff88000 0x100>;
+				interrupts = <13 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
 		};
 
 		nand0: nand@40000000 {

arch/arm/boot/dts/at91sam9g20.dtsi

@@ -18,6 +18,10 @@ memory {
 
 	ahb {
 		apb {
+			i2c0: i2c@fffac000 {
+				compatible = "atmel,at91sam9g20-i2c";
+			};
+
 			adc0: adc@fffe0000 {
 				atmel,adc-startup-time = <40>;
 			};

arch/arm/boot/dts/at91sam9g45.dtsi

@@ -29,6 +29,8 @@ aliases {
 		gpio4 = &pioE;
 		tcb0 = &tcb0;
 		tcb1 = &tcb1;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
 	};
 	cpus {
 		cpu@0 {
@@ -201,6 +203,24 @@ macb0: ethernet@fffbc000 {
 				status = "disabled";
 			};
 
+			i2c0: i2c@fff84000 {
+				compatible = "atmel,at91sam9g10-i2c";
+				reg = <0xfff84000 0x100>;
+				interrupts = <12 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
+			i2c1: i2c@fff88000 {
+				compatible = "atmel,at91sam9g10-i2c";
+				reg = <0xfff88000 0x100>;
+				interrupts = <13 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
 			adc0: adc@fffb0000 {
 				compatible = "atmel,at91sam9260-adc";
 				reg = <0xfffb0000 0x100>;

arch/arm/boot/dts/at91sam9n12.dtsi

@@ -26,6 +26,8 @@ aliases {
 		gpio3 = &pioD;
 		tcb0 = &tcb0;
 		tcb1 = &tcb1;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
 	};
 	cpus {
 		cpu@0 {
@@ -178,6 +180,24 @@ usart3: serial@f8028000 {
 				atmel,use-dma-tx;
 				status = "disabled";
 			};
+
+			i2c0: i2c@f8010000 {
+				compatible = "atmel,at91sam9x5-i2c";
+				reg = <0xf8010000 0x100>;
+				interrupts = <9 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
+			i2c1: i2c@f8014000 {
+				compatible = "atmel,at91sam9x5-i2c";
+				reg = <0xf8014000 0x100>;
+				interrupts = <10 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
 		};
 
 		nand0: nand@40000000 {

arch/arm/boot/dts/at91sam9x5.dtsi

@@ -27,6 +27,9 @@ aliases {
 		gpio3 = &pioD;
 		tcb0 = &tcb0;
 		tcb1 = &tcb1;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		i2c2 = &i2c2;
 	};
 	cpus {
 		cpu@0 {
@@ -192,6 +195,33 @@ macb1: ethernet@f8030000 {
 				status = "disabled";
 			};
 
+			i2c0: i2c@f8010000 {
+				compatible = "atmel,at91sam9x5-i2c";
+				reg = <0xf8010000 0x100>;
+				interrupts = <9 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
+			i2c1: i2c@f8014000 {
+				compatible = "atmel,at91sam9x5-i2c";
+				reg = <0xf8014000 0x100>;
+				interrupts = <10 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
+			i2c2: i2c@f8018000 {
+				compatible = "atmel,at91sam9x5-i2c";
+				reg = <0xf8018000 0x100>;
+				interrupts = <11 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
 			adc0: adc@f804c000 {
 				compatible = "atmel,at91sam9260-adc";
 				reg = <0xf804c000 0x100>;