From 918dbcba4ee3f0ad7d617b3969d5016481b9ceff Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Wed, 2 Jul 2008 13:53:45 +0100 Subject: [PATCH] [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 Signed-off-by: Russell King --- arch/arm/mach-pxa/Makefile | 4 +-- arch/arm/mach-pxa/pxa2xx.c | 46 +++++++++++++++++++++++++++++++++ include/asm-arm/arch-pxa/irda.h | 4 +++ 3 files changed, 52 insertions(+), 2 deletions(-) create mode 100644 arch/arm/mach-pxa/pxa2xx.c diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 02cbc3cfbe..c4dfbe87fc 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 0000000000..d4f6415e84 --- /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 +#include +#include + +#include +#include +#include + +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 99f4f423a8..0a50c3c763 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 -- 2.39.5