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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-19 16:18:39 -0500
commit59b8175c771040afcd4ad67022b0cc80c216b866 (patch)
tree4ef5935bee1e342716d49b9d4b99e3fa835526e6 /arch/arm/mach-s3c2400/gpio.c
parent920841d8d1d61bc12b43f95a579a5374f6d98f81 (diff)
parent3b0eb4a195a124567cd0dd6f700f8388def542c6 (diff)
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (117 commits) [ARM] 4058/2: iop32x: set ->broken_parity_status on n2100 onboard r8169 ports [ARM] 4140/1: AACI stability add ac97 timeout and retries [ARM] 4139/1: AACI record support [ARM] 4138/1: AACI: multiple channel support for IRQ handling [ARM] 4211/1: Provide a defconfig for ns9xxx [ARM] 4210/1: base for new machine type "NetSilicon NS9360" [ARM] 4222/1: S3C2443: Remove reference to missing S3C2443_PM [ARM] 4221/1: S3C2443: DMA support [ARM] 4220/1: S3C24XX: DMA system initialised from sysdev [ARM] 4219/1: S3C2443: DMA source definitions [ARM] 4218/1: S3C2412: fix CONFIG_CPU_S3C2412_ONLY wrt to S3C2443 [ARM] 4217/1: S3C24XX: remove the dma channel show at startup [ARM] 4090/2: avoid clash between PXA and SA1111 defines [ARM] 4216/1: add .gitignore entries for ARM specific files [ARM] 4214/2: S3C2410: Add Armzone QT2410 [ARM] 4215/1: s3c2410 usb device: per-platform vbus_draw [ARM] 4213/1: S3C2410 - Update definition of ADCTSC_XY_PST [ARM] 4098/1: ARM: rtc_lock only used with rtc_cmos [ARM] 4137/1: Add kexec support [ARM] 4201/1: SMP barriers pair needed for the secondary boot process ... Fix up conflict due to typedef removal in sound/arm/aaci.h
Diffstat (limited to 'arch/arm/mach-s3c2400/gpio.c')
-rw-r--r--arch/arm/mach-s3c2400/gpio.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2400/gpio.c b/arch/arm/mach-s3c2400/gpio.c
new file mode 100644
index 000000000000..758e160410e9
--- /dev/null
+++ b/arch/arm/mach-s3c2400/gpio.c
@@ -0,0 +1,42 @@
1/* linux/arch/arm/mach-s3c2400/gpio.c
2 *
3 * Copyright (c) 2006 Lucas Correia Villa Real <lucasvr@gobolinux.org>
4 *
5 * S3C2400 GPIO support
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20*/
21
22#include <linux/kernel.h>
23#include <linux/init.h>
24#include <linux/module.h>
25#include <linux/interrupt.h>
26#include <linux/ioport.h>
27
28#include <asm/hardware.h>
29#include <asm/irq.h>
30#include <asm/io.h>
31
32#include <asm/arch/regs-gpio.h>
33
34int s3c2400_gpio_getirq(unsigned int pin)
35{
36 if (pin < S3C2410_GPE0 || pin > S3C2400_GPE7_EINT7)
37 return -1; /* not valid interrupts */
38
39 return (pin - S3C2410_GPE0) + IRQ_EINT0;
40}
41
42EXPORT_SYMBOL(s3c2400_gpio_getirq);