diff options
Diffstat (limited to 'include/linux/platform_data/gpio-omap.h')
| -rw-r--r-- | include/linux/platform_data/gpio-omap.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/include/linux/platform_data/gpio-omap.h b/include/linux/platform_data/gpio-omap.h new file mode 100644 index 000000000000..e8741c2678d5 --- /dev/null +++ b/include/linux/platform_data/gpio-omap.h | |||
| @@ -0,0 +1,217 @@ | |||
| 1 | /* | ||
| 2 | * OMAP GPIO handling defines and functions | ||
| 3 | * | ||
| 4 | * Copyright (C) 2003-2005 Nokia Corporation | ||
| 5 | * | ||
| 6 | * Written by Juha Yrjölä <juha.yrjola@nokia.com> | ||
| 7 | * | ||
| 8 | * This program is free software; you can redistribute it and/or modify | ||
| 9 | * it under the terms of the GNU General Public License as published by | ||
| 10 | * the Free Software Foundation; either version 2 of the License, or | ||
| 11 | * (at your option) any later version. | ||
| 12 | * | ||
| 13 | * This program is distributed in the hope that it will be useful, | ||
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 16 | * GNU General Public License for more details. | ||
| 17 | * | ||
| 18 | * You should have received a copy of the GNU General Public License | ||
| 19 | * along with this program; if not, write to the Free Software | ||
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 21 | * | ||
| 22 | */ | ||
| 23 | |||
| 24 | #ifndef __ASM_ARCH_OMAP_GPIO_H | ||
| 25 | #define __ASM_ARCH_OMAP_GPIO_H | ||
| 26 | |||
| 27 | #include <linux/io.h> | ||
| 28 | #include <linux/platform_device.h> | ||
| 29 | #include <mach/irqs.h> | ||
| 30 | |||
| 31 | #define OMAP1_MPUIO_BASE 0xfffb5000 | ||
| 32 | |||
| 33 | /* | ||
| 34 | * These are the omap15xx/16xx offsets. The omap7xx offset are | ||
| 35 | * OMAP_MPUIO_ / 2 offsets below. | ||
| 36 | */ | ||
| 37 | #define OMAP_MPUIO_INPUT_LATCH 0x00 | ||
| 38 | #define OMAP_MPUIO_OUTPUT 0x04 | ||
| 39 | #define OMAP_MPUIO_IO_CNTL 0x08 | ||
| 40 | #define OMAP_MPUIO_KBR_LATCH 0x10 | ||
| 41 | #define OMAP_MPUIO_KBC 0x14 | ||
| 42 | #define OMAP_MPUIO_GPIO_EVENT_MODE 0x18 | ||
| 43 | #define OMAP_MPUIO_GPIO_INT_EDGE 0x1c | ||
| 44 | #define OMAP_MPUIO_KBD_INT 0x20 | ||
| 45 | #define OMAP_MPUIO_GPIO_INT 0x24 | ||
| 46 | #define OMAP_MPUIO_KBD_MASKIT 0x28 | ||
| 47 | #define OMAP_MPUIO_GPIO_MASKIT 0x2c | ||
| 48 | #define OMAP_MPUIO_GPIO_DEBOUNCING 0x30 | ||
| 49 | #define OMAP_MPUIO_LATCH 0x34 | ||
| 50 | |||
| 51 | #define OMAP34XX_NR_GPIOS 6 | ||
| 52 | |||
| 53 | /* | ||
| 54 | * OMAP1510 GPIO registers | ||
| 55 | */ | ||
| 56 | #define OMAP1510_GPIO_DATA_INPUT 0x00 | ||
| 57 | #define OMAP1510_GPIO_DATA_OUTPUT 0x04 | ||
| 58 | #define OMAP1510_GPIO_DIR_CONTROL 0x08 | ||
| 59 | #define OMAP1510_GPIO_INT_CONTROL 0x0c | ||
| 60 | #define OMAP1510_GPIO_INT_MASK 0x10 | ||
| 61 | #define OMAP1510_GPIO_INT_STATUS 0x14 | ||
| 62 | #define OMAP1510_GPIO_PIN_CONTROL 0x18 | ||
| 63 | |||
| 64 | #define OMAP1510_IH_GPIO_BASE 64 | ||
| 65 | |||
| 66 | /* | ||
| 67 | * OMAP1610 specific GPIO registers | ||
| 68 | */ | ||
| 69 | #define OMAP1610_GPIO_REVISION 0x0000 | ||
| 70 | #define OMAP1610_GPIO_SYSCONFIG 0x0010 | ||
| 71 | #define OMAP1610_GPIO_SYSSTATUS 0x0014 | ||
| 72 | #define OMAP1610_GPIO_IRQSTATUS1 0x0018 | ||
| 73 | #define OMAP1610_GPIO_IRQENABLE1 0x001c | ||
| 74 | #define OMAP1610_GPIO_WAKEUPENABLE 0x0028 | ||
| 75 | #define OMAP1610_GPIO_DATAIN 0x002c | ||
| 76 | #define OMAP1610_GPIO_DATAOUT 0x0030 | ||
| 77 | #define OMAP1610_GPIO_DIRECTION 0x0034 | ||
| 78 | #define OMAP1610_GPIO_EDGE_CTRL1 0x0038 | ||
| 79 | #define OMAP1610_GPIO_EDGE_CTRL2 0x003c | ||
| 80 | #define OMAP1610_GPIO_CLEAR_IRQENABLE1 0x009c | ||
| 81 | #define OMAP1610_GPIO_CLEAR_WAKEUPENA 0x00a8 | ||
| 82 | #define OMAP1610_GPIO_CLEAR_DATAOUT 0x00b0 | ||
| 83 | #define OMAP1610_GPIO_SET_IRQENABLE1 0x00dc | ||
| 84 | #define OMAP1610_GPIO_SET_WAKEUPENA 0x00e8 | ||
| 85 | #define OMAP1610_GPIO_SET_DATAOUT 0x00f0 | ||
| 86 | |||
| 87 | /* | ||
| 88 | * OMAP7XX specific GPIO registers | ||
| 89 | */ | ||
| 90 | #define OMAP7XX_GPIO_DATA_INPUT 0x00 | ||
| 91 | #define OMAP7XX_GPIO_DATA_OUTPUT 0x04 | ||
| 92 | #define OMAP7XX_GPIO_DIR_CONTROL 0x08 | ||
| 93 | #define OMAP7XX_GPIO_INT_CONTROL 0x0c | ||
| 94 | #define OMAP7XX_GPIO_INT_MASK 0x10 | ||
| 95 | #define OMAP7XX_GPIO_INT_STATUS 0x14 | ||
| 96 | |||
| 97 | /* | ||
| 98 | * omap2+ specific GPIO registers | ||
| 99 | */ | ||
| 100 | #define OMAP24XX_GPIO_REVISION 0x0000 | ||
| 101 | #define OMAP24XX_GPIO_IRQSTATUS1 0x0018 | ||
| 102 | #define OMAP24XX_GPIO_IRQSTATUS2 0x0028 | ||
| 103 | #define OMAP24XX_GPIO_IRQENABLE2 0x002c | ||
| 104 | #define OMAP24XX_GPIO_IRQENABLE1 0x001c | ||
| 105 | #define OMAP24XX_GPIO_WAKE_EN 0x0020 | ||
| 106 | #define OMAP24XX_GPIO_CTRL 0x0030 | ||
| 107 | #define OMAP24XX_GPIO_OE 0x0034 | ||
| 108 | #define OMAP24XX_GPIO_DATAIN 0x0038 | ||
| 109 | #define OMAP24XX_GPIO_DATAOUT 0x003c | ||
| 110 | #define OMAP24XX_GPIO_LEVELDETECT0 0x0040 | ||
| 111 | #define OMAP24XX_GPIO_LEVELDETECT1 0x0044 | ||
| 112 | #define OMAP24XX_GPIO_RISINGDETECT 0x0048 | ||
| 113 | #define OMAP24XX_GPIO_FALLINGDETECT 0x004c | ||
| 114 | #define OMAP24XX_GPIO_DEBOUNCE_EN 0x0050 | ||
| 115 | #define OMAP24XX_GPIO_DEBOUNCE_VAL 0x0054 | ||
| 116 | #define OMAP24XX_GPIO_CLEARIRQENABLE1 0x0060 | ||
| 117 | #define OMAP24XX_GPIO_SETIRQENABLE1 0x0064 | ||
| 118 | #define OMAP24XX_GPIO_CLEARWKUENA 0x0080 | ||
| 119 | #define OMAP24XX_GPIO_SETWKUENA 0x0084 | ||
| 120 | #define OMAP24XX_GPIO_CLEARDATAOUT 0x0090 | ||
| 121 | #define OMAP24XX_GPIO_SETDATAOUT 0x0094 | ||
| 122 | |||
| 123 | #define OMAP4_GPIO_REVISION 0x0000 | ||
| 124 | #define OMAP4_GPIO_EOI 0x0020 | ||
| 125 | #define OMAP4_GPIO_IRQSTATUSRAW0 0x0024 | ||
| 126 | #define OMAP4_GPIO_IRQSTATUSRAW1 0x0028 | ||
| 127 | #define OMAP4_GPIO_IRQSTATUS0 0x002c | ||
| 128 | #define OMAP4_GPIO_IRQSTATUS1 0x0030 | ||
| 129 | #define OMAP4_GPIO_IRQSTATUSSET0 0x0034 | ||
| 130 | #define OMAP4_GPIO_IRQSTATUSSET1 0x0038 | ||
| 131 | #define OMAP4_GPIO_IRQSTATUSCLR0 0x003c | ||
| 132 | #define OMAP4_GPIO_IRQSTATUSCLR1 0x0040 | ||
| 133 | #define OMAP4_GPIO_IRQWAKEN0 0x0044 | ||
| 134 | #define OMAP4_GPIO_IRQWAKEN1 0x0048 | ||
| 135 | #define OMAP4_GPIO_IRQENABLE1 0x011c | ||
| 136 | #define OMAP4_GPIO_WAKE_EN 0x0120 | ||
| 137 | #define OMAP4_GPIO_IRQSTATUS2 0x0128 | ||
| 138 | #define OMAP4_GPIO_IRQENABLE2 0x012c | ||
| 139 | #define OMAP4_GPIO_CTRL 0x0130 | ||
| 140 | #define OMAP4_GPIO_OE 0x0134 | ||
| 141 | #define OMAP4_GPIO_DATAIN 0x0138 | ||
| 142 | #define OMAP4_GPIO_DATAOUT 0x013c | ||
| 143 | #define OMAP4_GPIO_LEVELDETECT0 0x0140 | ||
| 144 | #define OMAP4_GPIO_LEVELDETECT1 0x0144 | ||
| 145 | #define OMAP4_GPIO_RISINGDETECT 0x0148 | ||
| 146 | #define OMAP4_GPIO_FALLINGDETECT 0x014c | ||
| 147 | #define OMAP4_GPIO_DEBOUNCENABLE 0x0150 | ||
| 148 | #define OMAP4_GPIO_DEBOUNCINGTIME 0x0154 | ||
| 149 | #define OMAP4_GPIO_CLEARIRQENABLE1 0x0160 | ||
| 150 | #define OMAP4_GPIO_SETIRQENABLE1 0x0164 | ||
| 151 | #define OMAP4_GPIO_CLEARWKUENA 0x0180 | ||
| 152 | #define OMAP4_GPIO_SETWKUENA 0x0184 | ||
| 153 | #define OMAP4_GPIO_CLEARDATAOUT 0x0190 | ||
| 154 | #define OMAP4_GPIO_SETDATAOUT 0x0194 | ||
| 155 | |||
| 156 | #define OMAP_MAX_GPIO_LINES 192 | ||
| 157 | |||
| 158 | #define OMAP_MPUIO(nr) (OMAP_MAX_GPIO_LINES + (nr)) | ||
| 159 | #define OMAP_GPIO_IS_MPUIO(nr) ((nr) >= OMAP_MAX_GPIO_LINES) | ||
| 160 | |||
| 161 | struct omap_gpio_dev_attr { | ||
| 162 | int bank_width; /* GPIO bank width */ | ||
| 163 | bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ | ||
| 164 | }; | ||
| 165 | |||
| 166 | struct omap_gpio_reg_offs { | ||
| 167 | u16 revision; | ||
| 168 | u16 direction; | ||
| 169 | u16 datain; | ||
| 170 | u16 dataout; | ||
| 171 | u16 set_dataout; | ||
| 172 | u16 clr_dataout; | ||
| 173 | u16 irqstatus; | ||
| 174 | u16 irqstatus2; | ||
| 175 | u16 irqstatus_raw0; | ||
| 176 | u16 irqstatus_raw1; | ||
| 177 | u16 irqenable; | ||
| 178 | u16 irqenable2; | ||
| 179 | u16 set_irqenable; | ||
| 180 | u16 clr_irqenable; | ||
| 181 | u16 debounce; | ||
| 182 | u16 debounce_en; | ||
| 183 | u16 ctrl; | ||
| 184 | u16 wkup_en; | ||
| 185 | u16 leveldetect0; | ||
| 186 | u16 leveldetect1; | ||
| 187 | u16 risingdetect; | ||
| 188 | u16 fallingdetect; | ||
| 189 | u16 irqctrl; | ||
| 190 | u16 edgectrl1; | ||
| 191 | u16 edgectrl2; | ||
| 192 | u16 pinctrl; | ||
| 193 | |||
| 194 | bool irqenable_inv; | ||
| 195 | }; | ||
| 196 | |||
| 197 | struct omap_gpio_platform_data { | ||
| 198 | int bank_type; | ||
| 199 | int bank_width; /* GPIO bank width */ | ||
| 200 | int bank_stride; /* Only needed for omap1 MPUIO */ | ||
| 201 | bool dbck_flag; /* dbck required or not - True for OMAP3&4 */ | ||
| 202 | bool loses_context; /* whether the bank would ever lose context */ | ||
| 203 | bool is_mpuio; /* whether the bank is of type MPUIO */ | ||
| 204 | u32 non_wakeup_gpios; | ||
| 205 | |||
| 206 | struct omap_gpio_reg_offs *regs; | ||
| 207 | |||
| 208 | /* Return context loss count due to PM states changing */ | ||
| 209 | int (*get_context_loss_count)(struct device *dev); | ||
| 210 | }; | ||
| 211 | |||
| 212 | extern void omap2_gpio_prepare_for_idle(int off_mode); | ||
| 213 | extern void omap2_gpio_resume_after_idle(void); | ||
| 214 | extern void omap_set_gpio_debounce(int gpio, int enable); | ||
| 215 | extern void omap_set_gpio_debounce_time(int gpio, int enable); | ||
| 216 | |||
| 217 | #endif | ||
