ARM: at91: add Acme Systems Fox G20 board

Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
[nicolas.ferre@atmel.com: re-arranging nodes, removing nodes and some comments]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b9f7121e6ecf02c561e5b1b10308659aad23fb28..342c1d7d48e109d1728e730d38e5e962bf92b6dd 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -16,6 +16,7 @@ dtb-$(CONFIG_ARCH_AT91) += at91sam9263ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += tny_a9263.dtb
 dtb-$(CONFIG_ARCH_AT91) += usb_a9263.dtb
 # sam9g20
+dtb-$(CONFIG_ARCH_AT91) += at91-foxg20.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g20ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += at91sam9g20ek_2mmc.dtb
 dtb-$(CONFIG_ARCH_AT91) += kizbox.dtb

diff --git a/arch/arm/boot/dts/at91-foxg20.dts b/arch/arm/boot/dts/at91-foxg20.dts
new file mode 100644 (file)
index 0000000..f5e0427
--- /dev/null
+++ b/arch/arm/boot/dts/at91-foxg20.dts
@@ -0,0 +1,157 @@
+/*
+ * at91-foxg20.dts - Device Tree file for Acme Systems FoxG20 board
+ *
+ * Based on DT files for at91sam9g20ek evaluation board (AT91SAM9G20 SoC)
+ *
+ * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+/include/ "at91sam9g20.dtsi"
+
+/ {
+       model = "Acme Systems FoxG20";
+       compatible = "acme,foxg20", "atmel,at91sam9g20", "atmel,at91sam9";
+
+       chosen {
+               bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
+       };
+
+       memory {
+               reg = <0x20000000 0x4000000>;
+       };
+
+       clocks {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+
+               main_clock: clock@0 {
+                       compatible = "atmel,osc", "fixed-clock";
+                       clock-frequency = <18432000>;
+               };
+       };
+
+       ahb {
+               apb {
+                       usb1: gadget@fffa4000 {
+                               atmel,vbus-gpio = <&pioC 6 0>;
+                               status = "okay";
+                       };
+
+                       mmc0: mmc@fffa8000 {
+                               pinctrl-0 = <
+                                       &pinctrl_mmc0_clk
+                                       &pinctrl_mmc0_slot1_cmd_dat0
+                                       &pinctrl_mmc0_slot1_dat1_3>;
+                               status = "okay";
+
+                               slot@1 {
+                                       reg = <1>;
+                                       bus-width = <4>;
+                               };
+                       };
+
+                       usart0: serial@fffb0000 {
+                               pinctrl-0 =
+                                       <&pinctrl_usart0
+                                        &pinctrl_usart0_rts
+                                        &pinctrl_usart0_cts
+                                       >;
+                               status = "okay";
+                       };
+
+                       usart1: serial@fffb4000 {
+                               status = "okay";
+                       };
+
+                       usart2: serial@fffb8000 {
+                               status = "okay";
+                       };
+
+                       macb0: ethernet@fffc4000 {
+                               phy-mode = "rmii";
+                               status = "okay";
+                       };
+
+                       usart3: serial@fffd0000 {
+                               status = "okay";
+                       };
+
+                       uart0: serial@fffd4000 {
+                               status = "okay";
+                       };
+
+                       uart1: serial@fffd8000 {
+                               status = "okay";
+                       };
+
+                       dbgu: serial@fffff200 {
+                               status = "okay";
+                       };
+
+                       pinctrl@fffff400 {
+                               board {
+                                       pinctrl_pck0_as_mck: pck0_as_mck {
+                                               atmel,pins =
+                                                       <2 1 0x2 0x0>;  /* PC1 periph B */
+                                       };
+                               };
+
+                               mmc0_slot1 {
+                                       pinctrl_board_mmc0_slot1: mmc0_slot1-board {
+                                               atmel,pins =
+                                                       <2 9 0x0 0x5>;  /* PC9 gpio CD pin pull up and deglitch */
+                                       };
+                               };
+
+                               i2c0 {
+                                       pinctrl_i2c0: i2c0-0 {
+                                               atmel,pins =
+                                                       <0 23 0x1 0x2   /* TWD (SDA) PA23 periph A, open drain */
+                                                        0 24 0x1 0x2>; /* TWCK (SCL) PA24 periph A, open drain */
+                                       };
+                               };
+                       };
+
+                       watchdog@fffffd40 {
+                               status = "okay";
+                       };
+               };
+
+               usb0: ohci@00500000 {
+                       num-ports = <2>;
+                       status = "okay";
+               };
+       };
+
+       i2c@0 {
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_i2c0>;
+               i2c-gpio,delay-us = <5>;        /* ~85 kHz */
+               status = "okay";
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               /* red LED marked "PC7" near mini USB (device) receptacle */
+               user_led {
+                       label = "user_led";
+                       gpios = <&pioC 7 0>;    /* PC7 */
+                       linux,default-trigger = "heartbeat";
+               };
+       };
+
+       gpio_keys {
+               compatible = "gpio-keys";
+
+               btn {
+                       label = "Button";
+                       gpios = <&pioC 4 1>;
+                       linux,code = <0x103>;
+                       gpio-key,wakeup;
+               };
+       };
+};