projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| c95d10bc VC |
1 | /* |
| 2 | * OMAP15xx specific gpio init | |
| 3 | * | |
| 4 | * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ | |
| 5 | * | |
| 6 | * Author: | |
| 7 | * Charulatha V <charu@ti.com> | |
| 8 | * | |
| 9 | * This program is free software; you can redistribute it and/or | |
| 10 | * modify it under the terms of the GNU General Public License as | |
| 11 | * published by the Free Software Foundation version 2. | |
| 12 | * | |
| 13 | * This program is distributed "as is" WITHOUT ANY WARRANTY of any | |
| 14 | * kind, whether express or implied; without even the implied warranty | |
| 15 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | * GNU General Public License for more details. | |
| 17 | */ | |
| 18 | ||
| 19 | #include <linux/gpio.h> | |
| 4b25408f | 20 | #include <linux/platform_data/gpio-omap.h> |
| c95d10bc VC |
21 | |
| 22 | #define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE | |
| 23 | #define OMAP1510_GPIO_BASE 0xFFFCE000 | |
| 24 | ||
| 25 | /* gpio1 */ | |
| 26 | static struct __initdata resource omap15xx_mpu_gpio_resources[] = { | |
| 27 | { | |
| 28 | .start = OMAP1_MPUIO_VBASE, | |
| 29 | .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, | |
| 30 | .flags = IORESOURCE_MEM, | |
| 31 | }, | |
| 32 | { | |
| 33 | .start = INT_MPUIO, | |
| 34 | .flags = IORESOURCE_IRQ, | |
| 35 | }, | |
| 36 | }; | |
| 37 | ||
| fa87931a | 38 | static struct omap_gpio_reg_offs omap15xx_mpuio_regs = { |
| e5ff4440 | 39 | .revision = USHRT_MAX, |
| fa87931a KH |
40 | .direction = OMAP_MPUIO_IO_CNTL, |
| 41 | .datain = OMAP_MPUIO_INPUT_LATCH, | |
| 42 | .dataout = OMAP_MPUIO_OUTPUT, | |
| eef4bec7 | 43 | .irqstatus = OMAP_MPUIO_GPIO_INT, |
| 28f3b5a0 KH |
44 | .irqenable = OMAP_MPUIO_GPIO_MASKIT, |
| 45 | .irqenable_inv = true, | |
| 5e571f38 | 46 | .irqctrl = OMAP_MPUIO_GPIO_INT_EDGE, |
| fa87931a KH |
47 | }; |
| 48 | ||
| c95d10bc | 49 | static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = { |
| d0d665a8 | 50 | .is_mpuio = true, |
| c95d10bc | 51 | .bank_width = 16, |
| 5de62b86 | 52 | .bank_stride = 1, |
| fa87931a | 53 | .regs = &omap15xx_mpuio_regs, |
| c95d10bc VC |
54 | }; |
| 55 | ||
| 07ad6ab3 | 56 | static struct platform_device omap15xx_mpu_gpio = { |
| c95d10bc VC |
57 | .name = "omap_gpio", |
| 58 | .id = 0, | |
| 59 | .dev = { | |
| 60 | .platform_data = &omap15xx_mpu_gpio_config, | |
| 61 | }, | |
| 62 | .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources), | |
| 63 | .resource = omap15xx_mpu_gpio_resources, | |
| 64 | }; | |
| 65 | ||
| 66 | /* gpio2 */ | |
| 67 | static struct __initdata resource omap15xx_gpio_resources[] = { | |
| 68 | { | |
| 69 | .start = OMAP1510_GPIO_BASE, | |
| 70 | .end = OMAP1510_GPIO_BASE + SZ_2K - 1, | |
| 71 | .flags = IORESOURCE_MEM, | |
| 72 | }, | |
| 73 | { | |
| 74 | .start = INT_GPIO_BANK1, | |
| 75 | .flags = IORESOURCE_IRQ, | |
| 76 | }, | |
| 77 | }; | |
| 78 | ||
| fa87931a | 79 | static struct omap_gpio_reg_offs omap15xx_gpio_regs = { |
| e5ff4440 | 80 | .revision = USHRT_MAX, |
| fa87931a KH |
81 | .direction = OMAP1510_GPIO_DIR_CONTROL, |
| 82 | .datain = OMAP1510_GPIO_DATA_INPUT, | |
| 83 | .dataout = OMAP1510_GPIO_DATA_OUTPUT, | |
| eef4bec7 | 84 | .irqstatus = OMAP1510_GPIO_INT_STATUS, |
| 28f3b5a0 KH |
85 | .irqenable = OMAP1510_GPIO_INT_MASK, |
| 86 | .irqenable_inv = true, | |
| 5e571f38 | 87 | .irqctrl = OMAP1510_GPIO_INT_CONTROL, |
| fad96ea8 | 88 | .pinctrl = OMAP1510_GPIO_PIN_CONTROL, |
| fa87931a KH |
89 | }; |
| 90 | ||
| c95d10bc | 91 | static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = { |
| c95d10bc | 92 | .bank_width = 16, |
| fa87931a | 93 | .regs = &omap15xx_gpio_regs, |
| c95d10bc VC |
94 | }; |
| 95 | ||
| 07ad6ab3 | 96 | static struct platform_device omap15xx_gpio = { |
| c95d10bc VC |
97 | .name = "omap_gpio", |
| 98 | .id = 1, | |
| 99 | .dev = { | |
| 100 | .platform_data = &omap15xx_gpio_config, | |
| 101 | }, | |
| 102 | .num_resources = ARRAY_SIZE(omap15xx_gpio_resources), | |
| 103 | .resource = omap15xx_gpio_resources, | |
| 104 | }; | |
| 105 | ||
| 106 | /* | |
| 107 | * omap15xx_gpio_init needs to be done before | |
| 108 | * machine_init functions access gpio APIs. | |
| 109 | * Hence omap15xx_gpio_init is a postcore_initcall. | |
| 110 | */ | |
| 111 | static int __init omap15xx_gpio_init(void) | |
| 112 | { | |
| 113 | if (!cpu_is_omap15xx()) | |
| 114 | return -EINVAL; | |
| 115 | ||
| 116 | platform_device_register(&omap15xx_mpu_gpio); | |
| 117 | platform_device_register(&omap15xx_gpio); | |
| 118 | ||
| c95d10bc VC |
119 | return 0; |
| 120 | } | |
| 121 | postcore_initcall(omap15xx_gpio_init); |