1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * OMAP GPIO handling defines and functions
4 *
5 * Copyright (C) 2003-2005 Nokia Corporation
6 *
7 * Written by Juha Yrjölä <juha.yrjola@nokia.com>
8 */
9
10#ifndef __ASM_ARCH_OMAP_GPIO_H
11#define __ASM_ARCH_OMAP_GPIO_H
12
13#ifndef __ASSEMBLER__
14#include <linux/io.h>
15#include <linux/platform_device.h>
16#endif
17
18#define OMAP1_MPUIO_BASE 0xfffb5000
19
20/*
21 * These are the omap15xx/16xx offsets. The omap7xx offset are
22 * OMAP_MPUIO_ / 2 offsets below.
23 */
24#define OMAP_MPUIO_INPUT_LATCH 0x00
25#define OMAP_MPUIO_OUTPUT 0x04
26#define OMAP_MPUIO_IO_CNTL 0x08
27#define OMAP_MPUIO_KBR_LATCH 0x10
28#define OMAP_MPUIO_KBC 0x14
29#define OMAP_MPUIO_GPIO_EVENT_MODE 0x18
30#define OMAP_MPUIO_GPIO_INT_EDGE 0x1c
31#define OMAP_MPUIO_KBD_INT 0x20
32#define OMAP_MPUIO_GPIO_INT 0x24
33#define OMAP_MPUIO_KBD_MASKIT 0x28
34#define OMAP_MPUIO_GPIO_MASKIT 0x2c
35#define OMAP_MPUIO_GPIO_DEBOUNCING 0x30
36#define OMAP_MPUIO_LATCH 0x34
37
38#define OMAP34XX_NR_GPIOS 6
39
40/*
41 * OMAP1510 GPIO registers
42 */
43#define OMAP1510_GPIO_DATA_INPUT 0x00
44#define OMAP1510_GPIO_DATA_OUTPUT 0x04
45#define OMAP1510_GPIO_DIR_CONTROL 0x08
46#define OMAP1510_GPIO_INT_CONTROL 0x0c
47#define OMAP1510_GPIO_INT_MASK 0x10
48#define OMAP1510_GPIO_INT_STATUS 0x14
49#define OMAP1510_GPIO_PIN_CONTROL 0x18
50
51#define OMAP1510_IH_GPIO_BASE 64
52
53/*
54 * OMAP1610 specific GPIO registers
55 */
56#define OMAP1610_GPIO_REVISION 0x0000
57#define OMAP1610_GPIO_SYSCONFIG 0x0010
58#define OMAP1610_GPIO_SYSSTATUS 0x0014
59#define OMAP1610_GPIO_IRQSTATUS1 0x0018
60#define OMAP1610_GPIO_IRQENABLE1 0x001c
61#define OMAP1610_GPIO_WAKEUPENABLE 0x0028
62#define OMAP1610_GPIO_DATAIN 0x002c
63#define OMAP1610_GPIO_DATAOUT 0x0030
64#define OMAP1610_GPIO_DIRECTION 0x0034
65#define OMAP1610_GPIO_EDGE_CTRL1 0x0038
66#define OMAP1610_GPIO_EDGE_CTRL2 0x003c
67#define OMAP1610_GPIO_CLEAR_IRQENABLE1 0x009c
68#define OMAP1610_GPIO_CLEAR_WAKEUPENA 0x00a8
69#define OMAP1610_GPIO_CLEAR_DATAOUT 0x00b0
70#define OMAP1610_GPIO_SET_IRQENABLE1 0x00dc
71#define OMAP1610_GPIO_SET_WAKEUPENA 0x00e8
72#define OMAP1610_GPIO_SET_DATAOUT 0x00f0
73
74/*
75 * OMAP7XX specific GPIO registers
76 */
77#define OMAP7XX_GPIO_DATA_INPUT 0x00
78#define OMAP7XX_GPIO_DATA_OUTPUT 0x04
79#define OMAP7XX_GPIO_DIR_CONTROL 0x08
80#define OMAP7XX_GPIO_INT_CONTROL 0x0c
81#define OMAP7XX_GPIO_INT_MASK 0x10
82#define OMAP7XX_GPIO_INT_STATUS 0x14
83
84/*
85 * omap2+ specific GPIO registers
86 */
87#define OMAP24XX_GPIO_REVISION 0x0000
88#define OMAP24XX_GPIO_SYSCONFIG 0x0010
89#define OMAP24XX_GPIO_IRQSTATUS1 0x0018
90#define OMAP24XX_GPIO_IRQSTATUS2 0x0028
91#define OMAP24XX_GPIO_IRQENABLE2 0x002c
92#define OMAP24XX_GPIO_IRQENABLE1 0x001c
93#define OMAP24XX_GPIO_WAKE_EN 0x0020
94#define OMAP24XX_GPIO_CTRL 0x0030
95#define OMAP24XX_GPIO_OE 0x0034
96#define OMAP24XX_GPIO_DATAIN 0x0038
97#define OMAP24XX_GPIO_DATAOUT 0x003c
98#define OMAP24XX_GPIO_LEVELDETECT0 0x0040
99#define OMAP24XX_GPIO_LEVELDETECT1 0x0044
100#define OMAP24XX_GPIO_RISINGDETECT 0x0048
101#define OMAP24XX_GPIO_FALLINGDETECT 0x004c
102#define OMAP24XX_GPIO_DEBOUNCE_EN 0x0050
103#define OMAP24XX_GPIO_DEBOUNCE_VAL 0x0054
104#define OMAP24XX_GPIO_CLEARIRQENABLE1 0x0060
105#define OMAP24XX_GPIO_SETIRQENABLE1 0x0064
106#define OMAP24XX_GPIO_CLEARWKUENA 0x0080
107#define OMAP24XX_GPIO_SETWKUENA 0x0084
108#define OMAP24XX_GPIO_CLEARDATAOUT 0x0090
109#define OMAP24XX_GPIO_SETDATAOUT 0x0094
110
111#define OMAP4_GPIO_REVISION 0x0000
112#define OMAP4_GPIO_SYSCONFIG 0x0010
113#define OMAP4_GPIO_EOI 0x0020
114#define OMAP4_GPIO_IRQSTATUSRAW0 0x0024
115#define OMAP4_GPIO_IRQSTATUSRAW1 0x0028
116#define OMAP4_GPIO_IRQSTATUS0 0x002c
117#define OMAP4_GPIO_IRQSTATUS1 0x0030
118#define OMAP4_GPIO_IRQSTATUSSET0 0x0034
119#define OMAP4_GPIO_IRQSTATUSSET1 0x0038
120#define OMAP4_GPIO_IRQSTATUSCLR0 0x003c
121#define OMAP4_GPIO_IRQSTATUSCLR1 0x0040
122#define OMAP4_GPIO_IRQWAKEN0 0x0044
123#define OMAP4_GPIO_IRQWAKEN1 0x0048
124#define OMAP4_GPIO_IRQENABLE1 0x011c
125#define OMAP4_GPIO_WAKE_EN 0x0120
126#define OMAP4_GPIO_IRQSTATUS2 0x0128
127#define OMAP4_GPIO_IRQENABLE2 0x012c
128#define OMAP4_GPIO_CTRL 0x0130
129#define OMAP4_GPIO_OE 0x0134
130#define OMAP4_GPIO_DATAIN 0x0138
131#define OMAP4_GPIO_DATAOUT 0x013c
132#define OMAP4_GPIO_LEVELDETECT0 0x0140
133#define OMAP4_GPIO_LEVELDETECT1 0x0144
134#define OMAP4_GPIO_RISINGDETECT 0x0148
135#define OMAP4_GPIO_FALLINGDETECT 0x014c
136#define OMAP4_GPIO_DEBOUNCENABLE 0x0150
137#define OMAP4_GPIO_DEBOUNCINGTIME 0x0154
138#define OMAP4_GPIO_CLEARIRQENABLE1 0x0160
139#define OMAP4_GPIO_SETIRQENABLE1 0x0164
140#define OMAP4_GPIO_CLEARWKUENA 0x0180
141#define OMAP4_GPIO_SETWKUENA 0x0184
142#define OMAP4_GPIO_CLEARDATAOUT 0x0190
143#define OMAP4_GPIO_SETDATAOUT 0x0194
144
145#define OMAP_MAX_GPIO_LINES 192
146
147#ifndef __ASSEMBLER__
148struct omap_gpio_reg_offs {
149 u16 revision;
150 u16 sysconfig;
151 u16 direction;
152 u16 datain;
153 u16 dataout;
154 u16 set_dataout;
155 u16 clr_dataout;
156 u16 irqstatus;
157 u16 irqstatus2;
158 u16 irqstatus_raw0;
159 u16 irqstatus_raw1;
160 u16 irqenable;
161 u16 irqenable2;
162 u16 set_irqenable;
163 u16 clr_irqenable;
164 u16 debounce;
165 u16 debounce_en;
166 u16 ctrl;
167 u16 wkup_en;
168 u16 leveldetect0;
169 u16 leveldetect1;
170 u16 risingdetect;
171 u16 fallingdetect;
172 u16 irqctrl;
173 u16 edgectrl1;
174 u16 edgectrl2;
175 u16 pinctrl;
176
177 bool irqenable_inv;
178};
179
180struct omap_gpio_platform_data {
181 int bank_type;
182 int bank_width; /* GPIO bank width */
183 int bank_stride; /* Only needed for omap1 MPUIO */
184 bool dbck_flag; /* dbck required or not - True for OMAP3&4 */
185 bool loses_context; /* whether the bank would ever lose context */
186 bool is_mpuio; /* whether the bank is of type MPUIO */
187 u32 non_wakeup_gpios;
188
189 const struct omap_gpio_reg_offs *regs;
190
191 /* Return context loss count due to PM states changing */
192 int (*get_context_loss_count)(struct device *dev);
193};
194
195#endif /* __ASSEMBLER__ */
196
197#endif
198

source code of linux/include/linux/platform_data/gpio-omap.h