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Date: Mon, 25 Mar 2013 13:22:20 +0100
From: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Ludovic Desroches <ludovic.desroches@...el.com>,
tanzilli@...esystems.it, dgilbert@...erlog.com,
Robert.Nelson@...ikey.com
Subject: Re: [PATCH] ARM: at91: add Acme Systems Aria G25 board
On 09:49 Mon 25 Mar , Nicolas Ferre wrote:
> From: Douglas Gilbert <dgilbert@...erlog.com>
>
> Signed-off-by: Douglas Gilbert <dgilbert@...erlog.com>
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> ---
> arch/arm/boot/dts/ariag25.dts | 168 ++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 168 insertions(+)
> create mode 100644 arch/arm/boot/dts/ariag25.dts
>
> diff --git a/arch/arm/boot/dts/ariag25.dts b/arch/arm/boot/dts/ariag25.dts
> new file mode 100644
> index 0000000..d18ef50
> --- /dev/null
> +++ b/arch/arm/boot/dts/ariag25.dts
> @@ -0,0 +1,168 @@
> +/*
> + * ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)
> + *
> + * Copyright (C) 2013 Douglas Gilbert <dgilbert@...erlog.com>,
> + * Robert Nelson <robertcnelson@...il.com>
> + *
> + * Licensed under GPLv2 or later.
> + */
> +/dts-v1/;
> +/include/ "at91sam9g25.dtsi"
> +
> +/ {
> + model = "Acme Systems Aria G25";
> + compatible = "acme,ariag25", "atmel,at91sam9g25ek", "atmel,at91sam9x5ek",
> + "atmel,at91sam9x5", "atmel,at91sam9";
I doube the code is compatible with the 9g25ek
specially when you do not include it
> +
> + aliases {
> + serial4 = &usart3;
> + serial5 = &uart0;
> + };
you need to specify all
> +
> + chosen {
> + bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
> + };
> +
> + memory {
> + /* 128 MB, change this for 256 MB revision */
> + reg = <0x20000000 0x8000000>;
> + };
> +
> + clocks {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + main_clock: clock@0 {
> + compatible = "atmel,osc", "fixed-clock";
> + clock-frequency = <12000000>;
> + };
> + };
> +
> + ahb {
> + apb {
> + mmc0: mmc@...08000 {
> + /* N.B. Aria has no SD card detect (CD), assumed present */
> +
> + pinctrl-0 = <
> + &pinctrl_mmc0_slot0_clk_cmd_dat0
> + &pinctrl_mmc0_slot0_dat1_3>;
> + status = "okay";
> + slot@0 {
> + reg = <0>;
> + bus-width = <4>;
> + };
> + };
> +
> + i2c0: i2c@...10000 {
> + status = "okay";
> + };
> +
> + i2c1: i2c@...14000 {
> + status = "okay";
> + };
> +
> + /* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
> +
> + usart0: serial@...1c000 {
> + pinctrl-0 = <&pinctrl_usart0
> + &pinctrl_usart0_rts
> + &pinctrl_usart0_cts>;
> + status = "okay";
> + };
> +
> + usart1: serial@...20000 {
> + pinctrl-0 = <&pinctrl_usart1
> + /* &pinctrl_usart1_rts */
> + /* &pinctrl_usart1_cts */
> + >;
> + status = "okay";
> + };
> +
> + usart2: serial@...24000 {
> + /* cannot activate RTS2+CTS2, clash with
> + * ethernet on PB0 and PB1 */
> + pinctrl-0 = <&pinctrl_usart2>;
> + status = "okay";
> + };
> +
> + usart3: serial@...28000 {
> + compatible = "atmel,at91sam9260-usart";
> + reg = <0xf8028000 0x200>;
> + interrupts = <8 4 5>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usart3
> + /* &pinctrl_usart3_rts */
> + /* &pinctrl_usart3_cts */
> + >;
> + status = "okay";
> + };
> +
> + macb0: ethernet@...2c000 {
> + phy-mode = "rmii";
> + /* following can be overwritten by uboot 'ftd set' command */
> + local-mac-address = [00 04 25 dd 10 01];
drop this, this is board specific
> + status = "okay";
> + };
> +
> + uart0: serial@...40000 {
> + compatible = "atmel,at91sam9260-usart";
> + reg = <0xf8040000 0x200>;
> + interrupts = <15 4 5>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart0>;
> + status = "okay";
> + };
> +
> + adc0: adc@...4c000 {
> + status = "okay";
> + atmel,adc-channels-used = <0xf>;
> + atmel,adc-num-channels = <4>;
> + };
> +
> + dbgu: serial@...ff200 {
> + status = "okay";
> + };
> +
> + pinctrl@...ff400 {
> + w1_0 {
> + pinctrl_w1_0: w1_0-0 {
> + atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
> + };
> + };
> + };
> +
> + rtc@...ffeb0 {
> + status = "okay";
> + };
> + };
> +
> + usb0: ohci@...00000 {
> + status = "okay";
> + num-ports = <3>;
> + };
> +
> + usb1: ehci@...00000 {
> + status = "okay";
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + /* little green LED in middle of Aria G25 module */
> + aria_led {
> + label = "aria_led";
> + gpios = <&pioB 8 0>; /* PB8 */
> + linux,default-trigger = "heartbeat";
> + };
> +
> + };
> +
> + onewire@0 {
> + compatible = "w1-gpio";
> + gpios = <&pioA 21 1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_w1_0>;
> + };
> +};
> --
> 1.8.0
>
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