[ARM] Kirkwood: Export GPIO indicating jumper setting of JP1

Export GPIO 45 which is used to indicate the setting of the JP1
jumper.  This is useful for userland tools, such as qcontrol, to
see whether the LCD or a serial console is connected.

Signed-off-by: Martin Michlmayr <tbm@cyrius.com>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

diff --git a/arch/arm/mach-kirkwood/ts41x-setup.c b/arch/arm/mach-kirkwood/ts41x-setup.c
index de49c2d..df8a7e0 100644 (file)
--- a/arch/arm/mach-kirkwood/ts41x-setup.c
+++ b/arch/arm/mach-kirkwood/ts41x-setup.c
@@ -2,7 +2,7 @@
  *
  * QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS Board Setup
  *
- * Copyright (C) 2009  Martin Michlmayr <tbm@cyrius.com>
+ * Copyright (C) 2009-2010  Martin Michlmayr <tbm@cyrius.com>
  * Copyright (C) 2008  Byron Bradley <byron.bbradley@gmail.com>
  *
  * This program is free software; you can redistribute it and/or
@@ -17,6 +17,7 @@
 #include <linux/i2c.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/ata_platform.h>
+#include <linux/gpio.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <asm/mach-types.h>
@@ -26,6 +27,8 @@
 #include "mpp.h"
 #include "tsx1x-common.h"
 
+#define QNAP_TS41X_JUMPER_JP1  45
+
 static struct i2c_board_info __initdata qnap_ts41x_i2c_rtc = {
        I2C_BOARD_INFO("s35390a", 0x30),
 };
@@ -131,6 +134,8 @@ static void __init qnap_ts41x_init(void)
 
        pm_power_off = qnap_tsx1x_power_off;
 
+       if (gpio_request(QNAP_TS41X_JUMPER_JP1, "JP1") == 0)
+               gpio_export(QNAP_TS41X_JUMPER_JP1, 0);
 }
 
 static int __init ts41x_pci_init(void)