From 96e7d211b46ce838ceca5d9734d6e166cfafdef4 Mon Sep 17 00:00:00 2001
From: Siddarth Gore <gores@marvell.com>
Date: Tue, 5 May 2009 14:52:09 +0530
Subject: [PATCH] [ARM] Kirkwood: enable gpio leds/buttons for the
 mv88f6281gtw_ge board

Signed-off-by: Siddarth Gore <gores@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
---
 .../arm/mach-kirkwood/mv88f6281gtw_ge-setup.c | 74 +++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
index 4fb03f4d3f4a..0358f45766cb 100644
--- a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
+++ b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
@@ -17,6 +17,10 @@
 #include <linux/timer.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/ethtool.h>
+#include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
 #include <linux/spi/flash.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/orion_spi.h>
@@ -26,6 +30,7 @@
 #include <asm/mach/pci.h>
 #include <mach/kirkwood.h>
 #include "common.h"
+#include "mpp.h"
 
 static struct mv643xx_eth_platform_data mv88f6281gtw_ge_ge00_data = {
 	.phy_addr	= MV643XX_ETH_PHY_NONE,
@@ -62,12 +67,79 @@ static struct spi_board_info __initdata mv88f6281gtw_ge_spi_slave_info[] = {
 	},
 };
 
+static struct gpio_keys_button mv88f6281gtw_ge_button_pins[] = {
+	{
+		.code		= KEY_RESTART,
+		.gpio		= 47,
+		.desc		= "SWR Button",
+		.active_low	= 1,
+	}, {
+		.code		= KEY_F1,
+		.gpio		= 46,
+		.desc		= "WPS Button(F1)",
+		.active_low	= 1,
+	},
+};
+
+static struct gpio_keys_platform_data mv88f6281gtw_ge_button_data = {
+	.buttons	= mv88f6281gtw_ge_button_pins,
+	.nbuttons	= ARRAY_SIZE(mv88f6281gtw_ge_button_pins),
+};
+
+static struct platform_device mv88f6281gtw_ge_buttons = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.num_resources	= 0,
+	.dev		= {
+		.platform_data	= &mv88f6281gtw_ge_button_data,
+	},
+};
+
+static struct gpio_led mv88f6281gtw_ge_led_pins[] = {
+	{
+		.name		= "gtw:green:Status",
+		.gpio		= 20,
+		.active_low	= 0,
+	}, {
+		.name		= "gtw:red:Status",
+		.gpio		= 21,
+		.active_low	= 0,
+	}, {
+		.name		= "gtw:green:USB",
+		.gpio		= 12,
+		.active_low	= 0,
+	},
+};
+
+static struct gpio_led_platform_data mv88f6281gtw_ge_led_data = {
+	.leds		= mv88f6281gtw_ge_led_pins,
+	.num_leds	= ARRAY_SIZE(mv88f6281gtw_ge_led_pins),
+};
+
+static struct platform_device mv88f6281gtw_ge_leds = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &mv88f6281gtw_ge_led_data,
+	},
+};
+
+static unsigned int mv88f6281gtw_ge_mpp_config[] __initdata = {
+	MPP12_GPO,	/* Status#_USB pin  */
+	MPP20_GPIO,	/* Status#_GLED pin */
+	MPP21_GPIO,	/* Status#_RLED pin */
+	MPP46_GPIO,	/* WPS_Switch pin   */
+	MPP47_GPIO,	/* SW_Init pin      */
+	0
+};
+
 static void __init mv88f6281gtw_ge_init(void)
 {
 	/*
 	 * Basic setup. Needs to be called early.
 	 */
 	kirkwood_init();
+	kirkwood_mpp_conf(mv88f6281gtw_ge_mpp_config);
 
 	kirkwood_ehci_init();
 	kirkwood_ge00_init(&mv88f6281gtw_ge_ge00_data);
@@ -76,6 +148,8 @@ static void __init mv88f6281gtw_ge_init(void)
 				ARRAY_SIZE(mv88f6281gtw_ge_spi_slave_info));
 	kirkwood_spi_init();
 	kirkwood_uart0_init();
+	platform_device_register(&mv88f6281gtw_ge_leds);
+	platform_device_register(&mv88f6281gtw_ge_buttons);
 }
 
 static int __init mv88f6281gtw_ge_pci_init(void)
-- 
2.30.2