1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * linux/arch/arm/mach-pxa/pxa2xx.c
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * code specific to pxa2xx
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Copyright (C) 2008 Dmitry Baryshkov
8*4882a593Smuzhiyun */
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun #include <linux/module.h>
11*4882a593Smuzhiyun #include <linux/kernel.h>
12*4882a593Smuzhiyun #include <linux/device.h>
13*4882a593Smuzhiyun #include <linux/io.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include <mach/hardware.h>
16*4882a593Smuzhiyun #include <mach/pxa2xx-regs.h>
17*4882a593Smuzhiyun #include "mfp-pxa25x.h"
18*4882a593Smuzhiyun #include <mach/reset.h>
19*4882a593Smuzhiyun #include <linux/platform_data/irda-pxaficp.h>
20*4882a593Smuzhiyun
pxa2xx_clear_reset_status(unsigned int mask)21*4882a593Smuzhiyun void pxa2xx_clear_reset_status(unsigned int mask)
22*4882a593Smuzhiyun {
23*4882a593Smuzhiyun /* RESET_STATUS_* has a 1:1 mapping with RCSR */
24*4882a593Smuzhiyun RCSR = mask;
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun static unsigned long pxa2xx_mfp_fir[] = {
28*4882a593Smuzhiyun GPIO46_FICP_RXD,
29*4882a593Smuzhiyun GPIO47_FICP_TXD,
30*4882a593Smuzhiyun };
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun static unsigned long pxa2xx_mfp_sir[] = {
33*4882a593Smuzhiyun GPIO46_STUART_RXD,
34*4882a593Smuzhiyun GPIO47_STUART_TXD,
35*4882a593Smuzhiyun };
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun static unsigned long pxa2xx_mfp_off[] = {
38*4882a593Smuzhiyun GPIO46_GPIO | MFP_LPM_DRIVE_LOW,
39*4882a593Smuzhiyun GPIO47_GPIO | MFP_LPM_DRIVE_LOW,
40*4882a593Smuzhiyun };
41*4882a593Smuzhiyun
pxa2xx_transceiver_mode(struct device * dev,int mode)42*4882a593Smuzhiyun void pxa2xx_transceiver_mode(struct device *dev, int mode)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun if (mode & IR_OFF) {
45*4882a593Smuzhiyun pxa2xx_mfp_config(pxa2xx_mfp_off, ARRAY_SIZE(pxa2xx_mfp_off));
46*4882a593Smuzhiyun } else if (mode & IR_SIRMODE) {
47*4882a593Smuzhiyun pxa2xx_mfp_config(pxa2xx_mfp_sir, ARRAY_SIZE(pxa2xx_mfp_sir));
48*4882a593Smuzhiyun } else if (mode & IR_FIRMODE) {
49*4882a593Smuzhiyun pxa2xx_mfp_config(pxa2xx_mfp_fir, ARRAY_SIZE(pxa2xx_mfp_fir));
50*4882a593Smuzhiyun } else
51*4882a593Smuzhiyun BUG();
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun EXPORT_SYMBOL_GPL(pxa2xx_transceiver_mode);
54