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> | |
| 20 | ||
| 21 | #define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE | |
| 22 | #define OMAP1510_GPIO_BASE 0xFFFCE000 | |
| 23 | ||
| 24 | /* gpio1 */ | |
| 25 | static struct __initdata resource omap15xx_mpu_gpio_resources[] = { | |
| 26 | { | |
| 27 | .start = OMAP1_MPUIO_VBASE, | |
| 28 | .end = OMAP1_MPUIO_VBASE + SZ_2K - 1, | |
| 29 | .flags = IORESOURCE_MEM, | |
| 30 | }, | |
| 31 | { | |
| 32 | .start = INT_MPUIO, | |
| 33 | .flags = IORESOURCE_IRQ, | |
| 34 | }, | |
| 35 | }; | |
| 36 | ||
| fa87931a KH |
37 | static struct omap_gpio_reg_offs omap15xx_mpuio_regs = { |
| 38 | .direction = OMAP_MPUIO_IO_CNTL, | |
| 39 | .datain = OMAP_MPUIO_INPUT_LATCH, | |
| 40 | .dataout = OMAP_MPUIO_OUTPUT, | |
| eef4bec7 | 41 | .irqstatus = OMAP_MPUIO_GPIO_INT, |
| 28f3b5a0 KH |
42 | .irqenable = OMAP_MPUIO_GPIO_MASKIT, |
| 43 | .irqenable_inv = true, | |
| fa87931a KH |
44 | }; |
| 45 | ||
| c95d10bc VC |
46 | static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = { |
| 47 | .virtual_irq_start = IH_MPUIO_BASE, | |
| 48 | .bank_type = METHOD_MPUIO, | |
| 49 | .bank_width = 16, | |
| 5de62b86 | 50 | .bank_stride = 1, |
| fa87931a | 51 | .regs = &omap15xx_mpuio_regs, |
| c95d10bc VC |
52 | }; |
| 53 | ||
| 54 | static struct __initdata platform_device omap15xx_mpu_gpio = { | |
| 55 | .name = "omap_gpio", | |
| 56 | .id = 0, | |
| 57 | .dev = { | |
| 58 | .platform_data = &omap15xx_mpu_gpio_config, | |
| 59 | }, | |
| 60 | .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources), | |
| 61 | .resource = omap15xx_mpu_gpio_resources, | |
| 62 | }; | |
| 63 | ||
| 64 | /* gpio2 */ | |
| 65 | static struct __initdata resource omap15xx_gpio_resources[] = { | |
| 66 | { | |
| 67 | .start = OMAP1510_GPIO_BASE, | |
| 68 | .end = OMAP1510_GPIO_BASE + SZ_2K - 1, | |
| 69 | .flags = IORESOURCE_MEM, | |
| 70 | }, | |
| 71 | { | |
| 72 | .start = INT_GPIO_BANK1, | |
| 73 | .flags = IORESOURCE_IRQ, | |
| 74 | }, | |
| 75 | }; | |
| 76 | ||
| fa87931a KH |
77 | static struct omap_gpio_reg_offs omap15xx_gpio_regs = { |
| 78 | .direction = OMAP1510_GPIO_DIR_CONTROL, | |
| 79 | .datain = OMAP1510_GPIO_DATA_INPUT, | |
| 80 | .dataout = OMAP1510_GPIO_DATA_OUTPUT, | |
| eef4bec7 | 81 | .irqstatus = OMAP1510_GPIO_INT_STATUS, |
| 28f3b5a0 KH |
82 | .irqenable = OMAP1510_GPIO_INT_MASK, |
| 83 | .irqenable_inv = true, | |
| fa87931a KH |
84 | }; |
| 85 | ||
| c95d10bc VC |
86 | static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = { |
| 87 | .virtual_irq_start = IH_GPIO_BASE, | |
| 88 | .bank_type = METHOD_GPIO_1510, | |
| 89 | .bank_width = 16, | |
| fa87931a | 90 | .regs = &omap15xx_gpio_regs, |
| c95d10bc VC |
91 | }; |
| 92 | ||
| 93 | static struct __initdata platform_device omap15xx_gpio = { | |
| 94 | .name = "omap_gpio", | |
| 95 | .id = 1, | |
| 96 | .dev = { | |
| 97 | .platform_data = &omap15xx_gpio_config, | |
| 98 | }, | |
| 99 | .num_resources = ARRAY_SIZE(omap15xx_gpio_resources), | |
| 100 | .resource = omap15xx_gpio_resources, | |
| 101 | }; | |
| 102 | ||
| 103 | /* | |
| 104 | * omap15xx_gpio_init needs to be done before | |
| 105 | * machine_init functions access gpio APIs. | |
| 106 | * Hence omap15xx_gpio_init is a postcore_initcall. | |
| 107 | */ | |
| 108 | static int __init omap15xx_gpio_init(void) | |
| 109 | { | |
| 110 | if (!cpu_is_omap15xx()) | |
| 111 | return -EINVAL; | |
| 112 | ||
| 113 | platform_device_register(&omap15xx_mpu_gpio); | |
| 114 | platform_device_register(&omap15xx_gpio); | |
| 115 | ||
| 116 | gpio_bank_count = 2; | |
| 117 | return 0; | |
| 118 | } | |
| 119 | postcore_initcall(omap15xx_gpio_init); |