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53 lines
1.2 KiB
53 lines
1.2 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/pxa2xx.c |
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* |
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* code specific to pxa2xx |
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* |
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* Copyright (C) 2008 Dmitry Baryshkov |
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*/ |
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#include <linux/module.h> |
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#include <linux/kernel.h> |
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#include <linux/device.h> |
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#include <linux/io.h> |
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#include <mach/hardware.h> |
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#include <mach/pxa2xx-regs.h> |
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#include "mfp-pxa25x.h" |
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#include <mach/reset.h> |
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#include <linux/platform_data/irda-pxaficp.h> |
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void pxa2xx_clear_reset_status(unsigned int mask) |
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{ |
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/* RESET_STATUS_* has a 1:1 mapping with RCSR */ |
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RCSR = mask; |
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} |
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static unsigned long pxa2xx_mfp_fir[] = { |
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GPIO46_FICP_RXD, |
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GPIO47_FICP_TXD, |
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}; |
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static unsigned long pxa2xx_mfp_sir[] = { |
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GPIO46_STUART_RXD, |
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GPIO47_STUART_TXD, |
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}; |
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static unsigned long pxa2xx_mfp_off[] = { |
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GPIO46_GPIO | MFP_LPM_DRIVE_LOW, |
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GPIO47_GPIO | MFP_LPM_DRIVE_LOW, |
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}; |
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void pxa2xx_transceiver_mode(struct device *dev, int mode) |
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{ |
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if (mode & IR_OFF) { |
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pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off)); |
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} else if (mode & IR_SIRMODE) { |
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pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir)); |
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} else if (mode & IR_FIRMODE) { |
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pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir)); |
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} else |
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BUG(); |
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} |
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EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode);
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