Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap1/devices.c |
| 3 | * |
| 4 | * OMAP1 platform device setup/initialization |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | */ |
| 11 | |
Janusz Krzysztofik | 1a96edd | 2010-10-01 16:37:00 -0700 | [diff] [blame] | 12 | #include <linux/dma-mapping.h> |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 13 | #include <linux/module.h> |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/init.h> |
Russell King | d052d1b | 2005-10-29 19:07:23 +0100 | [diff] [blame] | 16 | #include <linux/platform_device.h> |
Russell King | fced80c | 2008-09-06 12:10:45 +0100 | [diff] [blame] | 17 | #include <linux/io.h> |
Cory Maccarrone | c5c4dce | 2010-01-08 10:29:05 -0800 | [diff] [blame] | 18 | #include <linux/spi/spi.h> |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 19 | |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 20 | #include <mach/hardware.h> |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 21 | #include <asm/mach/map.h> |
| 22 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 23 | #include <plat/tc.h> |
| 24 | #include <plat/board.h> |
| 25 | #include <plat/mux.h> |
Russell King | a09e64f | 2008-08-05 16:14:15 +0100 | [diff] [blame] | 26 | #include <mach/gpio.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 27 | #include <plat/mmc.h> |
Cory Maccarrone | c5c4dce | 2010-01-08 10:29:05 -0800 | [diff] [blame] | 28 | #include <plat/omap7xx.h> |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 29 | #include <plat/mcbsp.h> |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 30 | |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 31 | /*-------------------------------------------------------------------------*/ |
| 32 | |
David Brownell | db68b18 | 2006-12-06 20:38:36 -0800 | [diff] [blame] | 33 | #if defined(CONFIG_RTC_DRV_OMAP) || defined(CONFIG_RTC_DRV_OMAP_MODULE) |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 34 | |
| 35 | #define OMAP_RTC_BASE 0xfffb4800 |
| 36 | |
| 37 | static struct resource rtc_resources[] = { |
| 38 | { |
| 39 | .start = OMAP_RTC_BASE, |
| 40 | .end = OMAP_RTC_BASE + 0x5f, |
| 41 | .flags = IORESOURCE_MEM, |
| 42 | }, |
| 43 | { |
| 44 | .start = INT_RTC_TIMER, |
| 45 | .flags = IORESOURCE_IRQ, |
| 46 | }, |
| 47 | { |
| 48 | .start = INT_RTC_ALARM, |
| 49 | .flags = IORESOURCE_IRQ, |
| 50 | }, |
| 51 | }; |
| 52 | |
| 53 | static struct platform_device omap_rtc_device = { |
| 54 | .name = "omap_rtc", |
| 55 | .id = -1, |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 56 | .num_resources = ARRAY_SIZE(rtc_resources), |
| 57 | .resource = rtc_resources, |
| 58 | }; |
| 59 | |
| 60 | static void omap_init_rtc(void) |
| 61 | { |
| 62 | (void) platform_device_register(&omap_rtc_device); |
| 63 | } |
| 64 | #else |
| 65 | static inline void omap_init_rtc(void) {} |
| 66 | #endif |
| 67 | |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 68 | static inline void omap_init_mbox(void) { } |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 69 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 70 | /*-------------------------------------------------------------------------*/ |
| 71 | |
| 72 | #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) |
| 73 | |
| 74 | static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller, |
| 75 | int controller_nr) |
| 76 | { |
| 77 | if (controller_nr == 0) { |
Cory Maccarrone | 490a566 | 2009-11-22 10:10:50 -0800 | [diff] [blame] | 78 | if (cpu_is_omap7xx()) { |
| 79 | omap_cfg_reg(MMC_7XX_CMD); |
| 80 | omap_cfg_reg(MMC_7XX_CLK); |
| 81 | omap_cfg_reg(MMC_7XX_DAT0); |
| 82 | } else { |
| 83 | omap_cfg_reg(MMC_CMD); |
| 84 | omap_cfg_reg(MMC_CLK); |
| 85 | omap_cfg_reg(MMC_DAT0); |
| 86 | } |
| 87 | |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 88 | if (cpu_is_omap1710()) { |
| 89 | omap_cfg_reg(M15_1710_MMC_CLKI); |
| 90 | omap_cfg_reg(P19_1710_MMC_CMDDIR); |
| 91 | omap_cfg_reg(P20_1710_MMC_DATDIR0); |
| 92 | } |
Cory Maccarrone | 490a566 | 2009-11-22 10:10:50 -0800 | [diff] [blame] | 93 | if (mmc_controller->slots[0].wires == 4 && !cpu_is_omap7xx()) { |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 94 | omap_cfg_reg(MMC_DAT1); |
| 95 | /* NOTE: DAT2 can be on W10 (here) or M15 */ |
| 96 | if (!mmc_controller->slots[0].nomux) |
| 97 | omap_cfg_reg(MMC_DAT2); |
| 98 | omap_cfg_reg(MMC_DAT3); |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | /* Block 2 is on newer chips, and has many pinout options */ |
| 103 | if (cpu_is_omap16xx() && controller_nr == 1) { |
| 104 | if (!mmc_controller->slots[1].nomux) { |
| 105 | omap_cfg_reg(Y8_1610_MMC2_CMD); |
| 106 | omap_cfg_reg(Y10_1610_MMC2_CLK); |
| 107 | omap_cfg_reg(R18_1610_MMC2_CLKIN); |
| 108 | omap_cfg_reg(W8_1610_MMC2_DAT0); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 109 | if (mmc_controller->slots[1].wires == 4) { |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 110 | omap_cfg_reg(V8_1610_MMC2_DAT1); |
| 111 | omap_cfg_reg(W15_1610_MMC2_DAT2); |
| 112 | omap_cfg_reg(R10_1610_MMC2_DAT3); |
| 113 | } |
| 114 | |
| 115 | /* These are needed for the level shifter */ |
| 116 | omap_cfg_reg(V9_1610_MMC2_CMDDIR); |
| 117 | omap_cfg_reg(V5_1610_MMC2_DATDIR0); |
| 118 | omap_cfg_reg(W19_1610_MMC2_DATDIR1); |
| 119 | } |
| 120 | |
| 121 | /* Feedback clock must be set on OMAP-1710 MMC2 */ |
| 122 | if (cpu_is_omap1710()) |
| 123 | omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24), |
| 124 | MOD_CONF_CTRL_1); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| 129 | int nr_controllers) |
| 130 | { |
| 131 | int i; |
| 132 | |
| 133 | for (i = 0; i < nr_controllers; i++) { |
| 134 | unsigned long base, size; |
| 135 | unsigned int irq = 0; |
| 136 | |
| 137 | if (!mmc_data[i]) |
| 138 | continue; |
| 139 | |
| 140 | omap1_mmc_mux(mmc_data[i], i); |
| 141 | |
| 142 | switch (i) { |
| 143 | case 0: |
| 144 | base = OMAP1_MMC1_BASE; |
| 145 | irq = INT_MMC; |
| 146 | break; |
| 147 | case 1: |
| 148 | if (!cpu_is_omap16xx()) |
| 149 | return; |
| 150 | base = OMAP1_MMC2_BASE; |
| 151 | irq = INT_1610_MMC2; |
| 152 | break; |
| 153 | default: |
| 154 | continue; |
| 155 | } |
| 156 | size = OMAP1_MMC_SIZE; |
| 157 | |
Tony Lindgren | 0dffb5c | 2009-01-29 08:57:16 -0800 | [diff] [blame] | 158 | omap_mmc_add("mmci-omap", i, base, size, irq, mmc_data[i]); |
Tony Lindgren | d887466 | 2008-12-10 17:37:16 -0800 | [diff] [blame] | 159 | }; |
| 160 | } |
| 161 | |
| 162 | #endif |
| 163 | |
| 164 | /*-------------------------------------------------------------------------*/ |
| 165 | |
Cory Maccarrone | c5c4dce | 2010-01-08 10:29:05 -0800 | [diff] [blame] | 166 | /* OMAP7xx SPI support */ |
| 167 | #if defined(CONFIG_SPI_OMAP_100K) || defined(CONFIG_SPI_OMAP_100K_MODULE) |
| 168 | |
| 169 | struct platform_device omap_spi1 = { |
| 170 | .name = "omap1_spi100k", |
| 171 | .id = 1, |
| 172 | }; |
| 173 | |
| 174 | struct platform_device omap_spi2 = { |
| 175 | .name = "omap1_spi100k", |
| 176 | .id = 2, |
| 177 | }; |
| 178 | |
| 179 | static void omap_init_spi100k(void) |
| 180 | { |
| 181 | omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff); |
| 182 | if (omap_spi1.dev.platform_data) |
| 183 | platform_device_register(&omap_spi1); |
| 184 | |
| 185 | omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff); |
| 186 | if (omap_spi2.dev.platform_data) |
| 187 | platform_device_register(&omap_spi2); |
| 188 | } |
| 189 | |
| 190 | #else |
| 191 | static inline void omap_init_spi100k(void) |
| 192 | { |
| 193 | } |
| 194 | #endif |
| 195 | |
Janusz Krzysztofik | 1a96edd | 2010-10-01 16:37:00 -0700 | [diff] [blame] | 196 | |
| 197 | #define OMAP1_CAMERA_BASE 0xfffb6800 |
| 198 | #define OMAP1_CAMERA_IOSIZE 0x1c |
| 199 | |
| 200 | static struct resource omap1_camera_resources[] = { |
| 201 | [0] = { |
| 202 | .start = OMAP1_CAMERA_BASE, |
| 203 | .end = OMAP1_CAMERA_BASE + OMAP1_CAMERA_IOSIZE - 1, |
| 204 | .flags = IORESOURCE_MEM, |
| 205 | }, |
| 206 | [1] = { |
| 207 | .start = INT_CAMERA, |
| 208 | .flags = IORESOURCE_IRQ, |
| 209 | }, |
| 210 | }; |
| 211 | |
| 212 | static u64 omap1_camera_dma_mask = DMA_BIT_MASK(32); |
| 213 | |
| 214 | static struct platform_device omap1_camera_device = { |
| 215 | .name = "omap1-camera", |
| 216 | .id = 0, /* This is used to put cameras on this interface */ |
| 217 | .dev = { |
| 218 | .dma_mask = &omap1_camera_dma_mask, |
| 219 | .coherent_dma_mask = DMA_BIT_MASK(32), |
| 220 | }, |
| 221 | .num_resources = ARRAY_SIZE(omap1_camera_resources), |
| 222 | .resource = omap1_camera_resources, |
| 223 | }; |
| 224 | |
| 225 | void __init omap1_camera_init(void *info) |
| 226 | { |
| 227 | struct platform_device *dev = &omap1_camera_device; |
| 228 | int ret; |
| 229 | |
| 230 | dev->dev.platform_data = info; |
| 231 | |
| 232 | ret = platform_device_register(dev); |
| 233 | if (ret) |
| 234 | dev_err(&dev->dev, "unable to register device: %d\n", ret); |
| 235 | } |
| 236 | |
| 237 | |
Cory Maccarrone | c5c4dce | 2010-01-08 10:29:05 -0800 | [diff] [blame] | 238 | /*-------------------------------------------------------------------------*/ |
| 239 | |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 240 | static inline void omap_init_sti(void) {} |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 241 | |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 242 | #if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) |
| 243 | |
| 244 | static struct platform_device omap_pcm = { |
| 245 | .name = "omap-pcm-audio", |
| 246 | .id = -1, |
| 247 | }; |
| 248 | |
| 249 | OMAP_MCBSP_PLATFORM_DEVICE(1); |
| 250 | OMAP_MCBSP_PLATFORM_DEVICE(2); |
| 251 | OMAP_MCBSP_PLATFORM_DEVICE(3); |
| 252 | |
| 253 | static void omap_init_audio(void) |
| 254 | { |
| 255 | platform_device_register(&omap_mcbsp1); |
| 256 | platform_device_register(&omap_mcbsp2); |
| 257 | if (!cpu_is_omap7xx()) |
| 258 | platform_device_register(&omap_mcbsp3); |
| 259 | platform_device_register(&omap_pcm); |
| 260 | } |
| 261 | |
| 262 | #else |
| 263 | static inline void omap_init_audio(void) {} |
| 264 | #endif |
| 265 | |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 266 | /*-------------------------------------------------------------------------*/ |
| 267 | |
| 268 | /* |
| 269 | * This gets called after board-specific INIT_MACHINE, and initializes most |
| 270 | * on-chip peripherals accessible on this board (except for few like USB): |
| 271 | * |
| 272 | * (a) Does any "standard config" pin muxing needed. Board-specific |
| 273 | * code will have muxed GPIO pins and done "nonstandard" setup; |
| 274 | * that code could live in the boot loader. |
| 275 | * (b) Populating board-specific platform_data with the data drivers |
| 276 | * rely on to handle wiring variations. |
| 277 | * (c) Creating platform devices as meaningful on this board and |
| 278 | * with this kernel configuration. |
| 279 | * |
| 280 | * Claiming GPIOs, and setting their direction and initial values, is the |
| 281 | * responsibility of the device drivers. So is responding to probe(). |
| 282 | * |
| 283 | * Board-specific knowlege like creating devices or pin setup is to be |
| 284 | * kept out of drivers as much as possible. In particular, pin setup |
| 285 | * may be handled by the boot loader, and drivers should expect it will |
| 286 | * normally have been done by the time they're probed. |
| 287 | */ |
Tony Lindgren | 3179a01 | 2005-11-10 14:26:48 +0000 | [diff] [blame] | 288 | static int __init omap1_init_devices(void) |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 289 | { |
| 290 | /* please keep these calls, and their implementations above, |
| 291 | * in alphabetical order so they're easier to sort through. |
| 292 | */ |
Tony Lindgren | c40fae95 | 2006-12-07 13:58:10 -0800 | [diff] [blame] | 293 | |
| 294 | omap_init_mbox(); |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 295 | omap_init_rtc(); |
Cory Maccarrone | c5c4dce | 2010-01-08 10:29:05 -0800 | [diff] [blame] | 296 | omap_init_spi100k(); |
Tony Lindgren | 9b6553c | 2006-04-02 17:46:30 +0100 | [diff] [blame] | 297 | omap_init_sti(); |
Liam Girdwood | f0fba2a | 2010-03-17 20:15:21 +0000 | [diff] [blame] | 298 | omap_init_audio(); |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 299 | |
| 300 | return 0; |
| 301 | } |
Tony Lindgren | 3179a01 | 2005-11-10 14:26:48 +0000 | [diff] [blame] | 302 | arch_initcall(omap1_init_devices); |
Tony Lindgren | 7c38cf0 | 2005-09-08 23:07:38 +0100 | [diff] [blame] | 303 | |
Varadarajan, Charulatha | f2ce623 | 2010-09-23 20:02:42 +0530 | [diff] [blame] | 304 | #if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE) |
| 305 | |
| 306 | static struct resource wdt_resources[] = { |
| 307 | { |
| 308 | .start = 0xfffeb000, |
| 309 | .end = 0xfffeb07F, |
| 310 | .flags = IORESOURCE_MEM, |
| 311 | }, |
| 312 | }; |
| 313 | |
| 314 | static struct platform_device omap_wdt_device = { |
| 315 | .name = "omap_wdt", |
| 316 | .id = -1, |
| 317 | .num_resources = ARRAY_SIZE(wdt_resources), |
| 318 | .resource = wdt_resources, |
| 319 | }; |
| 320 | |
| 321 | static int __init omap_init_wdt(void) |
| 322 | { |
| 323 | if (!cpu_is_omap16xx()) |
Felipe Balbi | dfcccd3 | 2010-11-08 06:48:00 +0000 | [diff] [blame] | 324 | return -ENODEV; |
Varadarajan, Charulatha | f2ce623 | 2010-09-23 20:02:42 +0530 | [diff] [blame] | 325 | |
Felipe Balbi | dfcccd3 | 2010-11-08 06:48:00 +0000 | [diff] [blame] | 326 | return platform_device_register(&omap_wdt_device); |
Varadarajan, Charulatha | f2ce623 | 2010-09-23 20:02:42 +0530 | [diff] [blame] | 327 | } |
| 328 | subsys_initcall(omap_init_wdt); |
| 329 | #endif |