ARM: dts: at91: Switch to the new NAND bindings

Use the new EBI/NAND bindings to declare NAND chips and remove old NAND
nodes along the way.

Note that we keep using old bindings in at91rm9200.dtsi because this
SoC is not supported by the EBI driver.

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
index db9f3a0..ed4b564 100644
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -487,10 +487,14 @@
 				};
 
 				nand {
-					pinctrl_nand: nand-0 {
+					pinctrl_nand_rb: nand-rb-0 {
 						atmel,pins =
-							<AT91_PIOA 22 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP	/* PA22 gpio RDY pin pull_up*/
-							 AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;	/* PD15 gpio enable pin pull_up */
+							<AT91_PIOA 22 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
+					};
+
+					pinctrl_nand_cs: nand-cs-0 {
+						atmel,pins =
+							 <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
 					};
 				};
 
@@ -1006,24 +1010,6 @@
 			status = "disabled";
 		};
 
-		nand0: nand@40000000 {
-			compatible = "atmel,at91rm9200-nand";
-			#address-cells = <1>;
-			#size-cells = <1>;
-			reg = <0x40000000 0x10000000
-			       0xffffe000 0x200
-			      >;
-			atmel,nand-addr-offset = <21>;
-			atmel,nand-cmd-offset = <22>;
-			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_nand>;
-			gpios = <&pioA 22 GPIO_ACTIVE_HIGH
-				 &pioD 15 GPIO_ACTIVE_HIGH
-				 0
-				>;
-			status = "disabled";
-		};
-
 		usb0: ohci@00a00000 {
 			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
 			reg = <0x00a00000 0x100000>;