ARM: at91: Add DT description files for AT91SAM9N12-EK

Added AT91SAM9N12 SoC DT file, as well as the board definition
.dts file for AT91SAM9N12-EK.

Signed-off-by: Hong Xu <hong.xu@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

1 files changed, 221 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
new file mode 100644
index 000000000000..cb84de791b5a
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -0,0 +1,221 @@
+/*
+ * at91sam9n12.dtsi - Device Tree include file for AT91SAM9N12 SoC
+ *
+ *  Copyright (C) 2012 Atmel,
+ *                2012 Hong Xu <hong.xu@atmel.com>
+ *
+ * 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@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@fffff000 {
+                                #interrupt-cells = <2>;
+                                compatible = "atmel,at91rm9200-aic";
+                                interrupt-controller;
+                                reg = <0xfffff000 0x200>;
+                        };
+
+                        ramc0: ramc@ffffe800 {
+                                compatible = "atmel,at91sam9g45-ddramc";
+                                reg = <0xffffe800 0x200>;
+                        };
+
+                        pmc: pmc@fffffc00 {
+                                compatible = "atmel,at91rm9200-pmc";
+                                reg = <0xfffffc00 0x100>;
+                        };
+
+                        rstc@fffffe00 {
+                                compatible = "atmel,at91sam9g45-rstc";
+                                reg = <0xfffffe00 0x10>;
+                        };
+
+                        pit: timer@fffffe30 {
+                                compatible = "atmel,at91sam9260-pit";
+                                reg = <0xfffffe30 0xf>;
+                                interrupts = <1 4>;
+                        };
+
+                        shdwc@fffffe10 {
+                                compatible = "atmel,at91sam9x5-shdwc";
+                                reg = <0xfffffe10 0x10>;
+                        };
+
+                        tcb0: timer@f8008000 {
+                                compatible = "atmel,at91sam9x5-tcb";
+                                reg = <0xf8008000 0x100>;
+                                interrupts = <17 4>;
+                        };
+
+                        tcb1: timer@f800c000 {
+                                compatible = "atmel,at91sam9x5-tcb";
+                                reg = <0xf800c000 0x100>;
+                                interrupts = <17 4>;
+                        };
+
+                        dma: dma-controller@ffffec00 {
+                                compatible = "atmel,at91sam9g45-dma";
+                                reg = <0xffffec00 0x200>;
+                                interrupts = <20 4>;
+                        };
+
+                        pioA: gpio@fffff400 {
+                                compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+                                reg = <0xfffff400 0x100>;
+                                interrupts = <2 4>;
+                                #gpio-cells = <2>;
+                                gpio-controller;
+                                interrupt-controller;
+                        };
+
+                        pioB: gpio@fffff600 {
+                                compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+                                reg = <0xfffff600 0x100>;
+                                interrupts = <2 4>;
+                                #gpio-cells = <2>;
+                                gpio-controller;
+                                interrupt-controller;
+                        };
+
+                        pioC: gpio@fffff800 {
+                                compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+                                reg = <0xfffff800 0x100>;
+                                interrupts = <3 4>;
+                                #gpio-cells = <2>;
+                                gpio-controller;
+                                interrupt-controller;
+                        };
+
+                        pioD: gpio@fffffa00 {
+                                compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio";
+                                reg = <0xfffffa00 0x100>;
+                                interrupts = <3 4>;
+                                #gpio-cells = <2>;
+                                gpio-controller;
+                                interrupt-controller;
+                        };
+
+                        dbgu: serial@fffff200 {
+                                compatible = "atmel,at91sam9260-usart";
+                                reg = <0xfffff200 0x200>;
+                                interrupts = <1 4>;
+                                status = "disabled";
+                        };
+
+                        usart0: serial@f801c000 {
+                                compatible = "atmel,at91sam9260-usart";
+                                reg = <0xf801c000 0x4000>;
+                                interrupts = <5 4>;
+                                atmel,use-dma-rx;
+                                atmel,use-dma-tx;
+                                status = "disabled";
+                        };
+
+                        usart1: serial@f8020000 {
+                                compatible = "atmel,at91sam9260-usart";
+                                reg = <0xf8020000 0x4000>;
+                                interrupts = <6 4>;
+                                atmel,use-dma-rx;
+                                atmel,use-dma-tx;
+                                status = "disabled";
+                        };
+
+                        usart2: serial@f8024000 {
+                                compatible = "atmel,at91sam9260-usart";
+                                reg = <0xf8024000 0x4000>;
+                                interrupts = <7 4>;
+                                atmel,use-dma-rx;
+                                atmel,use-dma-tx;
+                                status = "disabled";
+                        };
+
+                        usart3: serial@f8028000 {
+                                compatible = "atmel,at91sam9260-usart";
+                                reg = <0xf8028000 0x4000>;
+                                interrupts = <8 4>;
+                                atmel,use-dma-rx;
+                                atmel,use-dma-tx;
+                                status = "disabled";
+                        };
+                };
+
+                nand0: nand@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@00500000 {
+                        compatible = "atmel,at91rm9200-ohci", "usb-ohci";
+                        reg = <0x00500000 0x00100000>;
+                        interrupts = <22 4>;
+                        status = "disabled";
+                };
+        };
+
+        i2c@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";
+        };
+};