diff options
| -rw-r--r-- | arch/arm/mach-mx2/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mx2/devices.c | 231 |
2 files changed, 232 insertions, 1 deletions
diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile index 937192dc57a7..db4d9c6f2738 100644 --- a/arch/arm/mach-mx2/Makefile +++ b/arch/arm/mach-mx2/Makefile | |||
| @@ -4,4 +4,4 @@ | |||
| 4 | 4 | ||
| 5 | # Object file lists. | 5 | # Object file lists. |
| 6 | 6 | ||
| 7 | obj-y := system.o generic.o | 7 | obj-y := system.o generic.o devices.o |
diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c new file mode 100644 index 000000000000..a1f44c3c5315 --- /dev/null +++ b/arch/arm/mach-mx2/devices.c | |||
| @@ -0,0 +1,231 @@ | |||
| 1 | /* | ||
| 2 | * Author: MontaVista Software, Inc. | ||
| 3 | * <source@mvista.com> | ||
| 4 | * | ||
| 5 | * Based on the OMAP devices.c | ||
| 6 | * | ||
| 7 | * 2005 (c) MontaVista Software, Inc. This file is licensed under the | ||
| 8 | * terms of the GNU General Public License version 2. This program is | ||
| 9 | * licensed "as is" without any warranty of any kind, whether express | ||
| 10 | * or implied. | ||
| 11 | * | ||
| 12 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | ||
| 13 | * Copyright 2008 Juergen Beisert, kernel@pengutronix.de | ||
| 14 | * | ||
| 15 | * This program is free software; you can redistribute it and/or | ||
| 16 | * modify it under the terms of the GNU General Public License | ||
| 17 | * as published by the Free Software Foundation; either version 2 | ||
| 18 | * of the License, or (at your option) any later version. | ||
| 19 | * This program is distributed in the hope that it will be useful, | ||
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 22 | * GNU General Public License for more details. | ||
| 23 | * | ||
| 24 | * You should have received a copy of the GNU General Public License | ||
| 25 | * along with this program; if not, write to the Free Software | ||
| 26 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
| 27 | * MA 02110-1301, USA. | ||
| 28 | */ | ||
| 29 | #include <linux/module.h> | ||
| 30 | #include <linux/kernel.h> | ||
| 31 | #include <linux/init.h> | ||
| 32 | #include <linux/platform_device.h> | ||
| 33 | #include <linux/gpio.h> | ||
| 34 | |||
| 35 | #include <asm/hardware.h> | ||
| 36 | |||
| 37 | /* | ||
| 38 | * Resource definition for the MXC IrDA | ||
| 39 | */ | ||
| 40 | static struct resource mxc_irda_resources[] = { | ||
| 41 | [0] = { | ||
| 42 | .start = UART3_BASE_ADDR, | ||
| 43 | .end = UART3_BASE_ADDR + SZ_4K - 1, | ||
| 44 | .flags = IORESOURCE_MEM, | ||
| 45 | }, | ||
| 46 | [1] = { | ||
| 47 | .start = MXC_INT_UART3, | ||
| 48 | .end = MXC_INT_UART3, | ||
| 49 | .flags = IORESOURCE_IRQ, | ||
| 50 | }, | ||
| 51 | }; | ||
| 52 | |||
| 53 | /* Platform Data for MXC IrDA */ | ||
| 54 | struct platform_device mxc_irda_device = { | ||
| 55 | .name = "mxc_irda", | ||
| 56 | .id = 0, | ||
| 57 | .num_resources = ARRAY_SIZE(mxc_irda_resources), | ||
| 58 | .resource = mxc_irda_resources, | ||
| 59 | }; | ||
| 60 | |||
| 61 | /* | ||
| 62 | * General Purpose Timer | ||
| 63 | * - i.MX1: 2 timer (slighly different register handling) | ||
| 64 | * - i.MX21: 3 timer | ||
| 65 | * - i.MX27: 6 timer | ||
| 66 | */ | ||
| 67 | |||
| 68 | /* We use gpt0 as system timer, so do not add a device for this one */ | ||
| 69 | |||
| 70 | static struct resource timer1_resources[] = { | ||
| 71 | [0] = { | ||
| 72 | .start = GPT2_BASE_ADDR, | ||
| 73 | .end = GPT2_BASE_ADDR + 0x17, | ||
| 74 | .flags = IORESOURCE_MEM | ||
| 75 | }, | ||
| 76 | [1] = { | ||
| 77 | .start = MXC_INT_GPT2, | ||
| 78 | .end = MXC_INT_GPT2, | ||
| 79 | .flags = IORESOURCE_IRQ, | ||
| 80 | } | ||
| 81 | }; | ||
| 82 | |||
| 83 | struct platform_device mxc_gpt1 = { | ||
| 84 | .name = "imx_gpt", | ||
| 85 | .id = 1, | ||
| 86 | .num_resources = ARRAY_SIZE(timer1_resources), | ||
| 87 | .resource = timer1_resources | ||
| 88 | }; | ||
| 89 | |||
| 90 | static struct resource timer2_resources[] = { | ||
| 91 | [0] = { | ||
| 92 | .start = GPT3_BASE_ADDR, | ||
| 93 | .end = GPT3_BASE_ADDR + 0x17, | ||
| 94 | .flags = IORESOURCE_MEM | ||
| 95 | }, | ||
| 96 | [1] = { | ||
| 97 | .start = MXC_INT_GPT3, | ||
| 98 | .end = MXC_INT_GPT3, | ||
| 99 | .flags = IORESOURCE_IRQ, | ||
| 100 | } | ||
| 101 | }; | ||
| 102 | |||
| 103 | struct platform_device mxc_gpt2 = { | ||
| 104 | .name = "imx_gpt", | ||
| 105 | .id = 2, | ||
| 106 | .num_resources = ARRAY_SIZE(timer2_resources), | ||
| 107 | .resource = timer2_resources | ||
| 108 | }; | ||
| 109 | |||
| 110 | #ifdef CONFIG_MACH_MX27 | ||
| 111 | static struct resource timer3_resources[] = { | ||
| 112 | [0] = { | ||
| 113 | .start = GPT4_BASE_ADDR, | ||
| 114 | .end = GPT4_BASE_ADDR + 0x17, | ||
| 115 | .flags = IORESOURCE_MEM | ||
| 116 | }, | ||
| 117 | [1] = { | ||
| 118 | .start = MXC_INT_GPT4, | ||
| 119 | .end = MXC_INT_GPT4, | ||
| 120 | .flags = IORESOURCE_IRQ, | ||
| 121 | } | ||
| 122 | }; | ||
| 123 | |||
| 124 | struct platform_device mxc_gpt3 = { | ||
| 125 | .name = "imx_gpt", | ||
| 126 | .id = 3, | ||
| 127 | .num_resources = ARRAY_SIZE(timer3_resources), | ||
| 128 | .resource = timer3_resources | ||
| 129 | }; | ||
| 130 | |||
| 131 | static struct resource timer4_resources[] = { | ||
| 132 | [0] = { | ||
| 133 | .start = GPT5_BASE_ADDR, | ||
| 134 | .end = GPT5_BASE_ADDR + 0x17, | ||
| 135 | .flags = IORESOURCE_MEM | ||
| 136 | }, | ||
| 137 | [1] = { | ||
| 138 | .start = MXC_INT_GPT5, | ||
| 139 | .end = MXC_INT_GPT5, | ||
| 140 | .flags = IORESOURCE_IRQ, | ||
| 141 | } | ||
| 142 | }; | ||
| 143 | |||
| 144 | struct platform_device mxc_gpt4 = { | ||
| 145 | .name = "imx_gpt", | ||
| 146 | .id = 4, | ||
| 147 | .num_resources = ARRAY_SIZE(timer4_resources), | ||
| 148 | .resource = timer4_resources | ||
| 149 | }; | ||
| 150 | |||
| 151 | static struct resource timer5_resources[] = { | ||
| 152 | [0] = { | ||
| 153 | .start = GPT6_BASE_ADDR, | ||
| 154 | .end = GPT6_BASE_ADDR + 0x17, | ||
| 155 | .flags = IORESOURCE_MEM | ||
| 156 | }, | ||
| 157 | [1] = { | ||
| 158 | .start = MXC_INT_GPT6, | ||
| 159 | .end = MXC_INT_GPT6, | ||
| 160 | .flags = IORESOURCE_IRQ, | ||
| 161 | } | ||
| 162 | }; | ||
| 163 | |||
| 164 | struct platform_device mxc_gpt5 = { | ||
| 165 | .name = "imx_gpt", | ||
| 166 | .id = 5, | ||
| 167 | .num_resources = ARRAY_SIZE(timer5_resources), | ||
| 168 | .resource = timer5_resources | ||
| 169 | }; | ||
| 170 | #endif | ||
| 171 | |||
| 172 | /* | ||
| 173 | * Watchdog: | ||
| 174 | * - i.MX1 | ||
| 175 | * - i.MX21 | ||
| 176 | * - i.MX27 | ||
| 177 | */ | ||
| 178 | static struct resource mxc_wdt_resources[] = { | ||
| 179 | { | ||
| 180 | .start = WDOG_BASE_ADDR, | ||
| 181 | .end = WDOG_BASE_ADDR + 0x30, | ||
| 182 | .flags = IORESOURCE_MEM, | ||
| 183 | }, | ||
| 184 | }; | ||
| 185 | |||
| 186 | struct platform_device mxc_wdt = { | ||
| 187 | .name = "mxc_wdt", | ||
| 188 | .id = 0, | ||
| 189 | .num_resources = ARRAY_SIZE(mxc_wdt_resources), | ||
| 190 | .resource = mxc_wdt_resources, | ||
| 191 | }; | ||
| 192 | |||
| 193 | /* GPIO port description */ | ||
| 194 | static struct mxc_gpio_port imx_gpio_ports[] = { | ||
| 195 | [0] = { | ||
| 196 | .chip.label = "gpio-0", | ||
| 197 | .irq = MXC_INT_GPIO, | ||
| 198 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 0), | ||
| 199 | .virtual_irq_start = MXC_MAX_INT_LINES, | ||
| 200 | }, | ||
| 201 | [1] = { | ||
| 202 | .chip.label = "gpio-1", | ||
| 203 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 1), | ||
| 204 | .virtual_irq_start = MXC_MAX_INT_LINES + 32, | ||
| 205 | }, | ||
| 206 | [2] = { | ||
| 207 | .chip.label = "gpio-2", | ||
| 208 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 2), | ||
| 209 | .virtual_irq_start = MXC_MAX_INT_LINES + 64, | ||
| 210 | }, | ||
| 211 | [3] = { | ||
| 212 | .chip.label = "gpio-3", | ||
| 213 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 3), | ||
| 214 | .virtual_irq_start = MXC_MAX_INT_LINES + 96, | ||
| 215 | }, | ||
| 216 | [4] = { | ||
| 217 | .chip.label = "gpio-4", | ||
| 218 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 4), | ||
| 219 | .virtual_irq_start = MXC_MAX_INT_LINES + 128, | ||
| 220 | }, | ||
| 221 | [5] = { | ||
| 222 | .chip.label = "gpio-5", | ||
| 223 | .base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 5), | ||
| 224 | .virtual_irq_start = MXC_MAX_INT_LINES + 160, | ||
| 225 | } | ||
| 226 | }; | ||
| 227 | |||
| 228 | int __init mxc_register_gpios(void) | ||
| 229 | { | ||
| 230 | return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports)); | ||
| 231 | } | ||
