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authorDmitry Baryshkov <dbaryshkov@gmail.com>2008-07-02 08:53:45 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-09 15:56:28 -0400
commit918dbcba4ee3f0ad7d617b3969d5016481b9ceff (patch)
treed86bc8e0a92f97631b0fd9c5b2543853dcaceaa9 /arch
parent330ff197fcdc83ba151960d78294fb37777ebe12 (diff)
[ARM] 5145/1: PXA2xx: provide api to control IrDA pins state
Provide a set of functions to control state of pins dedicated to IrDA. Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-pxa/Makefile4
-rw-r--r--arch/arm/mach-pxa/pxa2xx.c46
2 files changed, 48 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 02cbc3cfbe01..c4dfbe87fc4e 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -13,8 +13,8 @@ obj-$(CONFIG_PXA_SSP) += ssp.o
13obj-$(CONFIG_PXA_PWM) += pwm.o 13obj-$(CONFIG_PXA_PWM) += pwm.o
14 14
15# SoC-specific code 15# SoC-specific code
16obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa25x.o 16obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa2xx.o pxa25x.o
17obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa27x.o 17obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa2xx.o pxa27x.o
18obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o pxa3xx.o smemc.o 18obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o pxa3xx.o smemc.o
19obj-$(CONFIG_CPU_PXA300) += pxa300.o 19obj-$(CONFIG_CPU_PXA300) += pxa300.o
20obj-$(CONFIG_CPU_PXA320) += pxa320.o 20obj-$(CONFIG_CPU_PXA320) += pxa320.o
diff --git a/arch/arm/mach-pxa/pxa2xx.c b/arch/arm/mach-pxa/pxa2xx.c
new file mode 100644
index 000000000000..d4f6415e8413
--- /dev/null
+++ b/arch/arm/mach-pxa/pxa2xx.c
@@ -0,0 +1,46 @@
1/*
2 * linux/arch/arm/mach-pxa/pxa2xx.c
3 *
4 * code specific to pxa2xx
5 *
6 * Copyright (C) 2008 Dmitry Baryshkov
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 */
12
13#include <linux/module.h>
14#include <linux/kernel.h>
15#include <linux/device.h>
16
17#include <asm/arch/mfp-pxa2xx.h>
18#include <asm/arch/mfp-pxa25x.h>
19#include <asm/arch/irda.h>
20
21static unsigned long pxa2xx_mfp_fir[] = {
22 GPIO46_FICP_RXD,
23 GPIO47_FICP_TXD,
24};
25
26static unsigned long pxa2xx_mfp_sir[] = {
27 GPIO46_STUART_RXD,
28 GPIO47_STUART_TXD,
29};
30
31static unsigned long pxa2xx_mfp_off[] = {
32 GPIO46_GPIO | MFP_LPM_DRIVE_LOW,
33 GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
34};
35
36void pxa2xx_transceiver_mode(struct device *dev, int mode)
37{
38 if (mode & IR_OFF) {
39 pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off));
40 } else if (mode & IR_SIRMODE) {
41 pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir));
42 } else if (mode & IR_FIRMODE) {
43 pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir));
44 } else
45 BUG();
46}