From 42a2478b789cb1b4335909e0fecc721c07be7d90 Mon Sep 17 00:00:00 2001
From: Michal Simek <monstr@monstr.eu>
Date: Fri, 2 Oct 2009 12:48:47 +0200
Subject: microblaze: GPIO reset support

Signed-off-by: Michal Simek <monstr@monstr.eu>
---
 arch/microblaze/platform/generic/system.dts | 28 ++++++++++++++++++++++++++++
 arch/microblaze/platform/platform.c         |  2 ++
 2 files changed, 30 insertions(+)

(limited to 'arch/microblaze/platform')

diff --git a/arch/microblaze/platform/generic/system.dts b/arch/microblaze/platform/generic/system.dts
index 29993f6..e00da89 100644
--- a/arch/microblaze/platform/generic/system.dts
+++ b/arch/microblaze/platform/generic/system.dts
@@ -32,6 +32,7 @@
 	#address-cells = <1>;
 	#size-cells = <1>;
 	compatible = "xlnx,microblaze";
+	hard-reset-gpios = <&LEDs_8Bit 2 1>;
 	model = "testing";
 	DDR2_SDRAM: memory@90000000 {
 		device_type = "memory";
@@ -261,6 +262,33 @@
 			xlnx,is-dual = <0x0>;
 			xlnx,tri-default = <0xffffffff>;
 			xlnx,tri-default-2 = <0xffffffff>;
+			#gpio-cells = <2>;
+			gpio-controller;
+		} ;
+
+		gpio-leds {
+			compatible = "gpio-leds";
+
+			heartbeat {
+				label = "Heartbeat";
+				gpios = <&LEDs_8Bit 4 1>;
+				linux,default-trigger = "heartbeat";
+			};
+
+			yellow {
+				label = "Yellow";
+				gpios = <&LEDs_8Bit 5 1>;
+			};
+
+			red {
+				label = "Red";
+				gpios = <&LEDs_8Bit 6 1>;
+			};
+
+			green {
+				label = "Green";
+				gpios = <&LEDs_8Bit 7 1>;
+			};
 		} ;
 		RS232_Uart_1: serial@84000000 {
 			clock-frequency = <125000000>;
diff --git a/arch/microblaze/platform/platform.c b/arch/microblaze/platform/platform.c
index 56e0234..5b89b58 100644
--- a/arch/microblaze/platform/platform.c
+++ b/arch/microblaze/platform/platform.c
@@ -13,6 +13,7 @@
 #include <linux/init.h>
 #include <linux/of_platform.h>
 #include <asm/prom.h>
+#include <asm/setup.h>
 
 static struct of_device_id xilinx_of_bus_ids[] __initdata = {
 	{ .compatible = "simple-bus", },
@@ -26,6 +27,7 @@ static struct of_device_id xilinx_of_bus_ids[] __initdata = {
 static int __init microblaze_device_probe(void)
 {
 	of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
+	of_platform_reset_gpio_probe();
 	return 0;
 }
 device_initcall(microblaze_device_probe);
-- 
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