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Date: Tue, 26 Mar 2013 12:39:12 +0100
From: Nicolas Ferre <nicolas.ferre@...el.com>
To: <linux-arm-kernel@...ts.infradead.org>
CC: <linux-kernel@...r.kernel.org>,
Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
Ludovic Desroches <ludovic.desroches@...el.com>,
<tanzilli@...esystems.it>, <dgilbert@...erlog.com>,
<Robert.Nelson@...ikey.com>,
Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH v2] ARM: at91: add Acme Systems Aria G25 board
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 | 175 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 175 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..b43266f
--- /dev/null
+++ b/arch/arm/boot/dts/ariag25.dts
@@ -0,0 +1,175 @@
+/*
+ * 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,at91sam9x5ek",
+ "atmel,at91sam9x5", "atmel,at91sam9";
+
+ aliases {
+ serial0 = &dbgu;
+ serial1 = &usart0;
+ serial2 = &usart1;
+ serial3 = &usart2;
+ serial4 = &usart3;
+ serial5 = &uart0;
+ };
+
+ 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 bootloader:
+ * for example u-boot 'ftd set' command
+ */
+ local-mac-address = [00 00 00 00 00 00];
+ 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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