ARM: at91: add Acme Systems Aria G25 board

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 4c7f8a8..b07f162 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -27,6 +27,7 @@ dtb-$(CONFIG_ARCH_AT91) += pm9g45.dtb
 # sam9n12
 dtb-$(CONFIG_ARCH_AT91) += at91sam9n12ek.dtb
 # sam9x5
+dtb-$(CONFIG_ARCH_AT91) += at91-ariag25.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g15ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g25ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g35ek.dtb

diff --git a/arch/arm/boot/dts/at91-ariag25.dts b/arch/arm/boot/dts/at91-ariag25.dts
new file mode 100644 (file)
index 0000000..c7aebba
--- /dev/null
+++ b/arch/arm/boot/dts/at91-ariag25.dts
@@ -0,0 +1,171 @@
+/*
+ * at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)
+ *
+ * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>,
+ *                    Robert Nelson <robertcnelson@gmail.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@f0008000 {
+                               /* 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@f8010000 {
+                               status = "okay";
+                       };
+
+                       i2c1: i2c@f8014000 {
+                               status = "okay";
+                       };
+
+                       /* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
+
+                       usart0: serial@f801c000 {
+                               pinctrl-0 = <&pinctrl_usart0
+                                            &pinctrl_usart0_rts
+                                            &pinctrl_usart0_cts>;
+                               status = "okay";
+                       };
+
+                       usart1: serial@f8020000 {
+                               pinctrl-0 = <&pinctrl_usart1
+                                            /* &pinctrl_usart1_rts */
+                                            /* &pinctrl_usart1_cts */
+                                           >;
+                               status = "okay";
+                       };
+
+                       usart2: serial@f8024000 {
+                               /* cannot activate RTS2+CTS2, clash with
+                                * ethernet on PB0 and PB1 */
+                               pinctrl-0 = <&pinctrl_usart2>;
+                               status = "okay";
+                       };
+
+                       usart3: serial@f8028000 {
+                               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@f802c000 {
+                               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@f8040000 {
+                               compatible = "atmel,at91sam9260-usart";
+                               reg = <0xf8040000 0x200>;
+                               interrupts = <15 4 5>;
+                               pinctrl-names = "default";
+                               pinctrl-0 = <&pinctrl_uart0>;
+                               status = "okay";
+                       };
+
+                       adc0: adc@f804c000 {
+                               status = "okay";
+                               atmel,adc-channels-used = <0xf>;
+                               atmel,adc-num-channels = <4>;
+                       };
+
+                       dbgu: serial@fffff200 {
+                               status = "okay";
+                       };
+
+                       pinctrl@fffff400 {
+                               w1_0 {
+                                       pinctrl_w1_0: w1_0-0 {
+                                               atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
+                                       };
+                               };
+                       };
+               };
+
+               usb0: ohci@00600000 {
+                       status = "okay";
+                       num-ports = <3>;
+               };
+
+               usb1: ehci@00700000 {
+                       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>;
+       };
+};