diff options
| author | Dmitry Baryshkov <dbaryshkov@gmail.com> | 2008-07-02 13:53:45 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-07-09 20:56:28 +0100 |
| commit | 918dbcba4ee3f0ad7d617b3969d5016481b9ceff (patch) | |
| tree | d86bc8e0a92f97631b0fd9c5b2543853dcaceaa9 | |
| parent | 330ff197fcdc83ba151960d78294fb37777ebe12 (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>
| -rw-r--r-- | arch/arm/mach-pxa/Makefile | 4 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa2xx.c | 46 | ||||
| -rw-r--r-- | include/asm-arm/arch-pxa/irda.h | 4 |
3 files changed, 52 insertions, 2 deletions
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 02cbc3cfbe0..c4dfbe87fc4 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -13,8 +13,8 @@ obj-$(CONFIG_PXA_SSP) += ssp.o obj-$(CONFIG_PXA_PWM) += pwm.o # SoC-specific code -obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa25x.o -obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa27x.o +obj-$(CONFIG_PXA25x) += mfp-pxa2xx.o pxa2xx.o pxa25x.o +obj-$(CONFIG_PXA27x) += mfp-pxa2xx.o pxa2xx.o pxa27x.o obj-$(CONFIG_PXA3xx) += mfp-pxa3xx.o pxa3xx.o smemc.o obj-$(CONFIG_CPU_PXA300) += pxa300.o obj-$(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 00000000000..d4f6415e841 --- /dev/null +++ b/arch/arm/mach-pxa/pxa2xx.c @@ -0,0 +1,46 @@ +/* + * linux/arch/arm/mach-pxa/pxa2xx.c + * + * code specific to pxa2xx + * + * Copyright (C) 2008 Dmitry Baryshkov + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/device.h> + +#include <asm/arch/mfp-pxa2xx.h> +#include <asm/arch/mfp-pxa25x.h> +#include <asm/arch/irda.h> + +static unsigned long pxa2xx_mfp_fir[] = { + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, +}; + +static unsigned long pxa2xx_mfp_sir[] = { + GPIO46_STUART_RXD, + GPIO47_STUART_TXD, +}; + +static unsigned long pxa2xx_mfp_off[] = { + GPIO46_GPIO | MFP_LPM_DRIVE_LOW, + GPIO47_GPIO | MFP_LPM_DRIVE_LOW, +}; + +void pxa2xx_transceiver_mode(struct device *dev, int mode) +{ + if (mode & IR_OFF) { + pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off)); + } else if (mode & IR_SIRMODE) { + pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir)); + } else if (mode & IR_FIRMODE) { + pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir)); + } else + BUG(); +} diff --git a/include/asm-arm/arch-pxa/irda.h b/include/asm-arm/arch-pxa/irda.h index 99f4f423a8e..0a50c3c763d 100644 --- a/include/asm-arm/arch-pxa/irda.h +++ b/include/asm-arm/arch-pxa/irda.h @@ -16,4 +16,8 @@ struct pxaficp_platform_data { extern void pxa_set_ficp_info(struct pxaficp_platform_data *info); +#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x) +void pxa2xx_transceiver_mode(struct device *dev, int mode); +#endif + #endif |