ARM: at91: dt: sam9rl: Device Tree for the at91sam9rlek
Add a device tree for the at91sam9rl-ek. For now it supports:
- MMC
- dbgu
- usart1
- watchdog
- nand
- leds
- buttons
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
diff --git a/arch/arm/boot/dts/at91sam9rlek.dts b/arch/arm/boot/dts/at91sam9rlek.dts
new file mode 100644
index 0000000..c3cec5d
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9rlek.dts
@@ -0,0 +1,151 @@
+/*
+ * at91sam9rlek.dts - Device Tree file for Atmel at91sam9rl reference board
+ *
+ * Copyright (C) 2014 Alexandre Belloni <alexandre.belloni@free-electrons.com>
+ *
+ * Licensed under GPLv2 only
+ */
+/dts-v1/;
+#include "at91sam9rl.dtsi"
+
+/ {
+ model = "Atmel at91sam9rlek";
+ compatible = "atmel,at91sam9rlek", "atmel,at91sam9rl", "atmel,at91sam9";
+
+ chosen {
+ bootargs = "console=ttyS0,115200 rootfstype=ubifs root=ubi0:rootfs ubi.mtd=5 rw";
+ };
+
+ memory {
+ reg = <0x20000000 0x4000000>;
+ };
+
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ main_clock: clock {
+ compatible = "atmel,osc", "fixed-clock";
+ clock-frequency = <12000000>;
+ };
+ };
+
+ ahb {
+ nand0: nand@40000000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "soft";
+ nand-on-flash-bbt = <1>;
+ status = "okay";
+
+ at91bootstrap@0 {
+ label = "at91bootstrap";
+ reg = <0x0 0x40000>;
+ };
+
+ bootloader@40000 {
+ label = "bootloader";
+ reg = <0x40000 0x80000>;
+ };
+
+ bootloaderenv@c0000 {
+ label = "bootloader env";
+ reg = <0xc0000 0xc0000>;
+ };
+
+ dtb@180000 {
+ label = "device tree";
+ reg = <0x180000 0x80000>;
+ };
+
+ kernel@200000 {
+ label = "kernel";
+ reg = <0x200000 0x600000>;
+ };
+
+ rootfs@800000 {
+ label = "rootfs";
+ reg = <0x800000 0x0f800000>;
+ };
+ };
+
+ apb {
+ mmc0: mmc@fffa4000 {
+ pinctrl-0 = <
+ &pinctrl_board_mmc0
+ &pinctrl_mmc0_clk
+ &pinctrl_mmc0_slot0_cmd_dat0
+ &pinctrl_mmc0_slot0_dat1_3>;
+ status = "okay";
+ slot@0 {
+ reg = <0>;
+ bus-width = <4>;
+ cd-gpios = <&pioA 15 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ usart0: serial@fffb0000 {
+ pinctrl-0 = <
+ &pinctrl_usart0
+ &pinctrl_usart0_rts
+ &pinctrl_usart0_cts>;
+ status = "okay";
+ };
+
+ dbgu: serial@fffff200 {
+ status = "okay";
+ };
+
+ pinctrl@fffff400 {
+ mmc0 {
+ pinctrl_board_mmc0: mmc0-board {
+ atmel,pins =
+ <AT91_PIOA 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
+ };
+ };
+ };
+
+ watchdog@fffffd40 {
+ status = "okay";
+ };
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ ds1 {
+ label = "ds1";
+ gpios = <&pioD 15 GPIO_ACTIVE_LOW>;
+ };
+
+ ds2 {
+ label = "ds2";
+ gpios = <&pioD 16 GPIO_ACTIVE_LOW>;
+ };
+
+ ds3 {
+ label = "ds3";
+ gpios = <&pioD 14 GPIO_ACTIVE_HIGH>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+
+ right_click {
+ label = "right_click";
+ gpios = <&pioB 0 GPIO_ACTIVE_LOW>;
+ linux,code = <273>;
+ gpio-key,wakeup;
+ };
+
+ left_click {
+ label = "left_click";
+ gpios = <&pioB 1 GPIO_ACTIVE_LOW>;
+ linux,code = <272>;
+ gpio-key,wakeup;
+ };
+ };
+};