1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
From a48d37f4280918f3c535f350647125358e3dc1fc Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Mon, 3 May 2010 21:38:34 +0200
Subject: [PATCH 08/48] ARM: OMAP: beagleboard: pre-export GPIOs to userspace when using a Tincantools trainerboard
This really needs a for loop, patches welcome
---
arch/arm/mach-omap2/board-omap3beagle.c | 33 ++++++++++++++++++++++++++++++-
1 files changed, 32 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index ac96551..c9af202 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -701,7 +701,38 @@ static void __init omap3_beagle_init(void)
mmc[1].gpio_wp = 141;
mmc[1].gpio_cd = 162;
}
-
+
+ if(!strcmp(expansionboard_name, "trainer"))
+ {
+ printk(KERN_INFO "Beagle expansionboard: exporting GPIOs 130-141,162 to userspace\n");
+ gpio_request(130, "sysfs");
+ gpio_export(130, 1);
+ gpio_request(131, "sysfs");
+ gpio_export(131, 1);
+ gpio_request(132, "sysfs");
+ gpio_export(132, 1);
+ gpio_request(133, "sysfs");
+ gpio_export(133, 1);
+ gpio_request(134, "sysfs");
+ gpio_export(134, 1);
+ gpio_request(135, "sysfs");
+ gpio_export(135, 1);
+ gpio_request(136, "sysfs");
+ gpio_export(136, 1);
+ gpio_request(137, "sysfs");
+ gpio_export(137, 1);
+ gpio_request(138, "sysfs");
+ gpio_export(138, 1);
+ gpio_request(139, "sysfs");
+ gpio_export(139, 1);
+ gpio_request(140, "sysfs");
+ gpio_export(140, 1);
+ gpio_request(141, "sysfs");
+ gpio_export(141, 1);
+ gpio_request(162, "sysfs");
+ gpio_export(162, 1);
+ }
+
usb_musb_init();
usb_ehci_init(&ehci_pdata);
omap3beagle_flash_init();
--
1.6.6.1
|
