[PATCH v3 03/15] at91: dt: sam9261: Basic Device Tree support for the at91sam9261ek

[Jean-Jacques Hiblot]

This patch implements a simple DTS to boot a at91sam9261ek with a dt-enabled
kernel (at91_dt_defconfig).
Only dbgu, nand and watchdog are described in the DT.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot at traphandler.com>
---
 arch/arm/boot/dts/Makefile          |   2 +
 arch/arm/boot/dts/at91sam9261ek.dts | 112 ++++++++++++++++++++++++++++++++++++
 2 files changed, 114 insertions(+)
 create mode 100644 arch/arm/boot/dts/at91sam9261ek.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 772a30e..ece523d 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -11,6 +11,8 @@ dtb-$(CONFIG_ARCH_AT91) += ethernut5.dtb
 dtb-$(CONFIG_ARCH_AT91) += evk-pro3.dtb
 dtb-$(CONFIG_ARCH_AT91) += tny_a9260.dtb
 dtb-$(CONFIG_ARCH_AT91) += usb_a9260.dtb
+# sam9261
+dtb-$(CONFIG_ARCH_AT91) += at91sam9261ek.dtb
 # sam9263
 dtb-$(CONFIG_ARCH_AT91) += at91sam9263ek.dtb
 dtb-$(CONFIG_ARCH_AT91) += tny_a9263.dtb
diff --git a/arch/arm/boot/dts/at91sam9261ek.dts b/arch/arm/boot/dts/at91sam9261ek.dts
new file mode 100644
index 0000000..8909217
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9261ek.dts
@@ -0,0 +1,112 @@
+/*
+ * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board
+ *
+ *  Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot at traphandler.com>
+ *
+ * Licensed under GPLv2 only.
+ */
+/dts-v1/;
+#include "at91sam9261.dtsi"
+
+/ {
+	model = "Atmel at91sam9261ek";
+	compatible = "atmel,at91sam9261ek", "atmel,at91sam9261", "atmel,at91sam9";
+
+	chosen {
+		bootargs = "mem=64M console=ttyS0,115200";
+	};
+
+	memory {
+		reg = <0x20000000 0x4000000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		main_clock: clock at 0 {
+			compatible = "atmel,osc", "fixed-clock";
+			clock-frequency = <18432000>;
+		};
+	};
+
+	ahb {
+
+		nand0: nand at 40000000 {
+			nand-bus-width = <8>;
+			nand-ecc-mode = "soft";
+			nand-on-flash-bbt = <1>;
+			status = "okay";
+
+			at91bootstrap at 0 {
+				label = "at91bootstrap";
+				reg = <0x0 0x40000>;
+			};
+
+			bootloader at 40000 {
+				label = "bootloader";
+				reg = <0x40000 0x80000>;
+			};
+
+			bootloaderenv at c0000 {
+				label = "bootloader env";
+				reg = <0xc0000 0xc0000>;
+			};
+
+			dtb at 180000 {
+				label = "device tree";
+				reg = <0x180000 0x80000>;
+			};
+
+			kernel at 200000 {
+				label = "kernel";
+				reg = <0x200000 0x600000>;
+			};
+
+			rootfs at 800000 {
+				label = "rootfs";
+				reg = <0x800000 0x0f800000>;
+			};
+		};
+
+		apb {
+			dbgu: serial at fffff200 {
+				status = "okay";
+			};
+
+			pinctrl at fffff400 {
+				leds {
+					pinctrl_leds: leds-0 {
+						atmel,pins = <AT91_PIOA 13  AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+						AT91_PIOA 14  AT91_PERIPH_GPIO AT91_PINCTRL_NONE
+						AT91_PIOA 23  AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
+				};
+			};
+
+			watchdog at fffffd40 {
+				status = "okay";
+			};
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		ds8 {
+			label = "ds8";
+			gpios = <&pioA 13 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "none";
+		};
+		ds7 {
+			label = "ds7";
+			gpios = <&pioA 14 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "nand-disk";
+		};
+		ds1 {
+			label = "ds1";
+			gpios = <&pioA 23 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+};
-- 
1.8.5.2