[PATCH v3 1/3] AT91: Add DT description files for AT91SAM9N12-EK
Hong Xu
hong.xu at atmel.com
Tue Apr 17 02:26:29 EDT 2012
Added AT91SAM9N12 SoC DT file, as well as the board definition
file for AT91SAM9N12-EK.
Signed-off-by: Hong Xu <hong.xu at atmel.com>
---
Changes since v2,
* Removed redundant blank line
* Removed Nandflash partitioning information
arch/arm/boot/dts/at91sam9n12.dtsi | 222 +++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/at91sam9n12ek.dts | 84 +++++++++++++
2 files changed, 306 insertions(+)
create mode 100644 arch/arm/boot/dts/at91sam9n12.dtsi
create mode 100644 arch/arm/boot/dts/at91sam9n12ek.dts
diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi
new file mode 100644
index 0000000..32eb11e
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -0,0 +1,222 @@
+/*
+ * at91sam9n12.dtsi - Device Tree include file for AT91SAM9N12 SoC
+ *
+ * Copyright (C) 2012 Atmel,
+ * 2012 Hong Xu <hong.xu at 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 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";
+ };
+};
diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts b/arch/arm/boot/dts/at91sam9n12ek.dts
new file mode 100644
index 0000000..f4e43e3
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9n12ek.dts
@@ -0,0 +1,84 @@
+/*
+ * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
+ *
+ * Copyright (C) 2012 Atmel,
+ * 2012 Hong Xu <hong.xu at atmel.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+/include/ "at91sam9n12.dtsi"
+
+/ {
+ model = "Atmel AT91SAM9N12-EK";
+ compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
+
+ chosen {
+ bootargs = "mem=128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
+ };
+
+ memory {
+ reg = <0x20000000 0x10000000>;
+ };
+
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ main_clock: clock at 0 {
+ compatible = "atmel,osc", "fixed-clock";
+ clock-frequency = <16000000>;
+ };
+ };
+
+ ahb {
+ apb {
+ dbgu: serial at fffff200 {
+ status = "okay";
+ };
+ };
+
+ nand0: nand at 40000000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "soft";
+ nand-on-flash-bbt;
+ status = "okay";
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ d8 {
+ label = "d8";
+ gpios = <&pioB 4 1>;
+ linux,default-trigger = "mmc0";
+ };
+
+ d9 {
+ label = "d6";
+ gpios = <&pioB 5 1>;
+ linux,default-trigger = "nand-disk";
+ };
+
+ d10 {
+ label = "d7";
+ gpios = <&pioB 6 0>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ enter {
+ label = "Enter";
+ gpios = <&pioB 4 1>;
+ linux,code = <28>;
+ gpio-key,wakeup;
+ };
+ };
+};
--
1.7.10
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