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 Yrj��l�� <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