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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
918dbcba DB |
2 | /* |
3 | * linux/arch/arm/mach-pxa/pxa2xx.c | |
4 | * | |
5 | * code specific to pxa2xx | |
6 | * | |
7 | * Copyright (C) 2008 Dmitry Baryshkov | |
918dbcba DB |
8 | */ |
9 | ||
10 | #include <linux/module.h> | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/device.h> | |
23019a73 | 13 | #include <linux/io.h> |
918dbcba | 14 | |
afd2fc02 RK |
15 | #include <mach/hardware.h> |
16 | #include <mach/pxa2xx-regs.h> | |
4c25c5d2 | 17 | #include "mfp-pxa25x.h" |
afd2fc02 | 18 | #include <mach/reset.h> |
293b2da1 | 19 | #include <linux/platform_data/irda-pxaficp.h> |
918dbcba | 20 | |
04fef228 EM |
21 | void pxa2xx_clear_reset_status(unsigned int mask) |
22 | { | |
23 | /* RESET_STATUS_* has a 1:1 mapping with RCSR */ | |
24 | RCSR = mask; | |
25 | } | |
26 | ||
918dbcba DB |
27 | static unsigned long pxa2xx_mfp_fir[] = { |
28 | GPIO46_FICP_RXD, | |
29 | GPIO47_FICP_TXD, | |
30 | }; | |
31 | ||
32 | static unsigned long pxa2xx_mfp_sir[] = { | |
33 | GPIO46_STUART_RXD, | |
34 | GPIO47_STUART_TXD, | |
35 | }; | |
36 | ||
37 | static unsigned long pxa2xx_mfp_off[] = { | |
38 | GPIO46_GPIO | MFP_LPM_DRIVE_LOW, | |
39 | GPIO47_GPIO | MFP_LPM_DRIVE_LOW, | |
40 | }; | |
41 | ||
42 | void pxa2xx_transceiver_mode(struct device *dev, int mode) | |
43 | { | |
44 | if (mode & IR_OFF) { | |
45 | pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off)); | |
46 | } else if (mode & IR_SIRMODE) { | |
47 | pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir)); | |
48 | } else if (mode & IR_FIRMODE) { | |
49 | pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir)); | |
50 | } else | |
51 | BUG(); | |
52 | } | |
c4bd0172 | 53 | EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode); |