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Message-Id: <1389270709-32662-3-git-send-email-jjhiblot@traphandler.com>
Date: Thu, 9 Jan 2014 13:31:39 +0100
From: Jean-Jacques Hiblot <jjhiblot@...phandler.com>
To: nicolas.ferre@...el.com, b.brezillon@...rkiz.com, arnd@...db.de
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Jean-Jacques Hiblot <jjhiblot@...phandler.com>
Subject: [PATCH v2 02/12] at91: dt: sam9261: Basic Device Tree support for the at91sam9261ek
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@...phandler.com>
---
arch/arm/boot/dts/Makefile | 2 +
arch/arm/boot/dts/at91sam9261ek.dts | 75 +++++++++++++++++++++++++++++++++++++
2 files changed, 77 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..f3d22a9
--- /dev/null
+++ b/arch/arm/boot/dts/at91sam9261ek.dts
@@ -0,0 +1,75 @@
+/*
+ * at91sam9261ek.dts - Device Tree file for Atmel at91sam9261 reference board
+ *
+ * Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@...phandler.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@0 {
+ compatible = "atmel,osc", "fixed-clock";
+ clock-frequency = <18432000>;
+ };
+ };
+
+ ahb {
+ apb {
+ dbgu: serial@...ff200 {
+ status = "okay";
+ };
+
+ watchdog@...ffd40 {
+ status = "okay";
+ };
+ };
+
+ nand0: nand@...00000 {
+ nand-bus-width = <8>;
+ nand-ecc-mode = "soft";
+ nand-on-flash-bbt = <1>;
+ status = "okay";
+ at91bootstrap@0 {
+ label = "at91bootstrap";
+ reg = <0x0 0x20000>;
+ };
+ };
+ };
+
+ 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
--
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