Add support for Atmel's AT91SAM9N12-EK (With DT)

new file mode 100644
index 0000000..32eb11e
@@ -0,0 +1,222 @@
+/*
+ * at91sam9n12.dtsi - Device Tree include file for AT91SAM9N12 SoC
+ *
+ *  Copyright (C) 2012 Atmel,
+ *                2012 Hong Xu <[email protected]>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+	model = "Atmel AT91SAM9N12 SoC";
+	compatible = "atmel,at91sam9n12";
+	interrupt-parent = <&aic>;
+
+	aliases {
+		serial0 = &dbgu;
+		serial1 = &usart0;
+		serial2 = &usart1;
+		serial3 = &usart2;
+		serial4 = &usart3;
+		gpio0 = &pioA;
+		gpio1 = &pioB;
+		gpio2 = &pioC;
+		gpio3 = &pioD;
+		tcb0 = &tcb0;
+		tcb1 = &tcb1;
+	};
+	cpus {
+		cpu at 0 {
+			compatible = "arm,arm926ejs";
+		};
+	};
+
+	memory {
+		reg = <0x20000000 0x10000000>;
+	};
+
+	ahb {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		apb {
+			compatible = "simple-bus";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges;
+
+			aic: interrupt-controller at fffff000 {
+				#interrupt-cells = <2>;
+				compatible = "atmel,at91rm9200-aic";
+				interrupt-controller;
+				interrupt-parent;
+				reg = <0xfffff000 0x200>;
+			};
+
+			ramc0: ramc at ffffe800 {
+				compatible = "atmel,at91sam9g45-ddramc";
+				reg = <0xffffe800 0x200>;
+			};
+
+			pmc: pmc at fffffc00 {
+				compatible = "atmel,at91rm9200-pmc";
+				reg = <0xfffffc00 0x100>;
+			};
+
+			rstc at fffffe00 {
+				compatible = "atmel,at91sam9g45-rstc";
+				reg = <0xfffffe00 0x10>;
+			};
+
+			pit: timer at fffffe30 {
+				compatible = "atmel,at91sam9260-pit";
+				reg = <0xfffffe30 0xf>;
+				interrupts = <1 4>;
+			};
+
+			shdwc at fffffe10 {
+				compatible = "atmel,at91sam9x5-shdwc";
+				reg = <0xfffffe10 0x10>;
+			};
+
+			tcb0: timer at f8008000 {
+				compatible = "atmel,at91sam9x5-tcb";
+				reg = <0xf8008000 0x100>;
+				interrupts = <17 4>;
+			};
+
+			tcb1: timer at f800c000 {
+				compatible = "atmel,at91sam9x5-tcb";
+				reg = <0xf800c000 0x100>;
+				interrupts = <17 4>;
+			};
+
+			dma: dma-controller at ffffec00 {
+				compatible = "atmel,at91sam9g45-dma";
+				reg = <0xffffec00 0x200>;
+				interrupts = <20 4>;
+			};
+
+			pioA: gpio at fffff400 {
+				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+				reg = <0xfffff400 0x100>;
+				interrupts = <2 4>;
+				#gpio-cells = <2>;
+				gpio-controller;
+				interrupt-controller;
+			};
+
+			pioB: gpio at fffff600 {
+				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+				reg = <0xfffff600 0x100>;
+				interrupts = <2 4>;
+				#gpio-cells = <2>;
+				gpio-controller;
+				interrupt-controller;
+			};
+
+			pioC: gpio at fffff800 {
+				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+				reg = <0xfffff800 0x100>;
+				interrupts = <3 4>;
+				#gpio-cells = <2>;
+				gpio-controller;
+				interrupt-controller;
+			};
+
+			pioD: gpio at fffffa00 {
+				compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+				reg = <0xfffffa00 0x100>;
+				interrupts = <3 4>;
+				#gpio-cells = <2>;
+				gpio-controller;
+				interrupt-controller;
+			};
+
+			dbgu: serial at fffff200 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xfffff200 0x200>;
+				interrupts = <1 4>;
+				status = "disabled";
+			};
+
+			usart0: serial at f801c000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xf801c000 0x4000>;
+				interrupts = <5 4>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart1: serial at f8020000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xf8020000 0x4000>;
+				interrupts = <6 4>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart2: serial at f8024000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xf8024000 0x4000>;
+				interrupts = <7 4>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+
+			usart3: serial at f8028000 {
+				compatible = "atmel,at91sam9260-usart";
+				reg = <0xf8028000 0x4000>;
+				interrupts = <8 4>;
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
+				status = "disabled";
+			};
+		};
+
+		nand0: nand at 40000000 {
+			compatible = "atmel,at91rm9200-nand";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = < 0x40000000 0x10000000
+				0xffffe000 0x00000600
+				0xffffe600 0x00000200
+				0x00100000 0x00100000
+			       >;
+			atmel,nand-addr-offset = <21>;
+			atmel,nand-cmd-offset = <22>;
+			gpios = <&pioD 5 0
+				 &pioD 4 0
+				 0
+				>;
+			status = "disabled";
+		};
+
+		usb0: ohci at 00500000 {
+			compatible = "atmel,at91rm9200-ohci", "usb-ohci";
+			reg = <0x00500000 0x00100000>;
+			interrupts = <22 4>;
+			status = "disabled";
+		};
+	};
+
+	i2c at 0 {
+		compatible = "i2c-gpio";
+		gpios = <&pioA 30 0 /* sda */
+			 &pioA 31 0 /* scl */
+			>;
+		i2c-gpio,sda-open-drain;
+		i2c-gpio,scl-open-drain;
+		i2c-gpio,delay-us = <2>;	/* ~100 kHz */
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+};

84 lines not on this page · raw message

index 45db05d..8fc8fb4 100644
@@ -105,6 +105,15 @@ config ARCH_AT91SAM9X5
 	select HAVE_NET_MACB
 	select HAVE_AT91_DBGU0
 
+config ARCH_AT91SAM9N12
+	bool "AT91SAM9N12 SoC"
+	select CPU_ARM926T
+	select GENERIC_CLOCKEVENTS
+	select HAVE_FB_ATMEL
+	select HAVE_AT91_DBGU0
+	help
+	  Select this if you are using Atmel's AT91SAM9N12 SoC.
+
 config ARCH_AT91X40
 	bool "AT91x40"
 	select ARCH_USES_GETTIMEOFFSET

index 8512e53..7ab5f5f 100644
@@ -21,6 +21,7 @@ obj-$(CONFIG_ARCH_AT91SAM9RL)	+= at91sam9rl.o at91sam926x_time.o at91sam9rl_devi
 obj-$(CONFIG_ARCH_AT91SAM9G20)	+= at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o
 obj-$(CONFIG_ARCH_AT91SAM9G45)	+= at91sam9g45.o at91sam926x_time.o at91sam9g45_devices.o sam9_smc.o
 obj-$(CONFIG_ARCH_AT91SAM9X5)	+= at91sam9x5.o at91sam926x_time.o sam9_smc.o
+obj-$(CONFIG_ARCH_AT91SAM9N12)	+= at91sam9n12.o at91sam926x_time.o sam9_smc.o
 obj-$(CONFIG_ARCH_AT91X40)	+= at91x40.o at91x40_time.o
 
 # AT91RM9200 board-specific support

index 0da66ca..29b6cfe 100644
@@ -20,3 +20,5 @@ dtb-$(CONFIG_MACH_AT91SAM_DT) += usb_a9g20.dtb
 dtb-$(CONFIG_MACH_AT91SAM_DT) += at91sam9m10g45ek.dtb
 # sam9x5
 dtb-$(CONFIG_MACH_AT91SAM_DT) += at91sam9g25ek.dtb
+# sam9n12
+dtb-$(CONFIG_MACH_AT91SAM_DT) += at91sam9n12ek.dtb