On 04/16/2012 11:39 AM, Hong Xu :
> Added AT91SAM9N12 SoC DT file, as well as the board definition file
> for AT91SAM9N12-EK.
>
> Signed-off-by: Hong Xu <[email protected]>
> ---
> Changes since v1,
> * Removed offset for memory node according to Ludovic's comment
> * Changed compatibility string for various peripherals
> * Removed <okay> status for tcb0/1 because they're enabled by default
> * Removed PMECC related bindings
>
> arch/arm/boot/dts/at91sam9n12.dtsi | 223
> +++++++++++++++++++++++++++++++++++
> arch/arm/boot/dts/at91sam9n12ek.dts | 99 ++++++++++++++++
> 2 files changed, 322 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..2013c0a
> --- /dev/null
> +++ b/arch/arm/boot/dts/at91sam9n12.dtsi
> @@ -0,0 +1,223 @@
> +/*
> + * 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@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;
> + interrupt-parent;
> + 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>;
> + };
> +
> +
Nitpick: 2 lines here: remove one.
> + 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";
> + };
> +};
> diff --git a/arch/arm/boot/dts/at91sam9n12ek.dts
> b/arch/arm/boot/dts/at91sam9n12ek.dts
> new file mode 100644
> index 0000000..62dc605
> --- /dev/null
> +++ b/arch/arm/boot/dts/at91sam9n12ek.dts
> @@ -0,0 +1,99 @@
> +/*
> + * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
> + *
> + * Copyright (C) 2012 Atmel,
> + * 2012 Hong Xu <[email protected]>
> + *
> + * 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@0 {
> + compatible = "atmel,osc", "fixed-clock";
> + clock-frequency = <16000000>;
> + };
> + };
> +
> + ahb {
> + apb {
> + dbgu: serial@fffff200 {
> + status = "okay";
> + };
> + };
> +
> + nand0: nand@40000000 {
> + nand-bus-width = <8>;
> + nand-ecc-mode = "soft";
> + nand-on-flash-bbt;
> + status = "okay";
> +
> + boot@0 {
> + label = "bootstrap/uboot/kernel";
> + reg = <0x0 0x400000>;
> + };
> +
> + rootfs@400000 {
> + label = "rootfs";
> + reg = <0x400000 0x3C00000>;
> + };
> +
> + data@4000000 {
> + label = "data";
> + reg = <0x4000000 0xC000000>;
> + };
Here, remove partitions. We may setup thing differently. But anyway, I
will try to adapt them myself.
> + };
> + };
> +
> + 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;
> + };
> + };
> +};
--
Nicolas Ferre
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