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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 | // SPDX-License-Identifier: GPL-2.0-or-later /* * arch/arm/mach-ep93xx/edb93xx.c * Cirrus Logic EDB93xx Development Board support. * * EDB93XX, EDB9301, EDB9307A * Copyright (C) 2008-2009 H Hartley Sweeten <hsweeten@visionengravers.com> * * EDB9302 * Copyright (C) 2006 George Kashperko <george@chas.com.ua> * * EDB9302A, EDB9315, EDB9315A * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org> * * EDB9307 * Copyright (C) 2007 Herbert Valerio Riedel <hvr@gnu.org> * * EDB9312 * Copyright (C) 2006 Infosys Technologies Limited * Toufeeq Hussain <toufeeq_hussain@infosys.com> */ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/i2c.h> #include <linux/spi/spi.h> #include <linux/gpio/machine.h> #include <sound/cs4271.h> #include "hardware.h" #include <linux/platform_data/video-ep93xx.h> #include <linux/platform_data/spi-ep93xx.h> #include "gpio-ep93xx.h" #include <asm/mach-types.h> #include <asm/mach/arch.h> #include "soc.h" static void __init edb93xx_register_flash(void) { if (machine_is_edb9307() || machine_is_edb9312() || machine_is_edb9315()) { ep93xx_register_flash(4, EP93XX_CS6_PHYS_BASE, SZ_32M); } else { ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M); } } static struct ep93xx_eth_data __initdata edb93xx_eth_data = { .phy_id = 1, }; /************************************************************************* * EDB93xx i2c peripheral handling *************************************************************************/ static struct i2c_board_info __initdata edb93xxa_i2c_board_info[] = { { I2C_BOARD_INFO("isl1208", 0x6f), }, }; static struct i2c_board_info __initdata edb93xx_i2c_board_info[] = { { I2C_BOARD_INFO("ds1337", 0x68), }, }; static void __init edb93xx_register_i2c(void) { if (machine_is_edb9302a() || machine_is_edb9307a() || machine_is_edb9315a()) { ep93xx_register_i2c(edb93xxa_i2c_board_info, ARRAY_SIZE(edb93xxa_i2c_board_info)); } else if (machine_is_edb9302() || machine_is_edb9307() || machine_is_edb9312() || machine_is_edb9315()) { ep93xx_register_i2c(edb93xx_i2c_board_info, ARRAY_SIZE(edb93xx_i2c_board_info)); } } /************************************************************************* * EDB93xx SPI peripheral handling *************************************************************************/ static struct cs4271_platform_data edb93xx_cs4271_data = { .gpio_nreset = -EINVAL, /* filled in later */ }; static struct spi_board_info edb93xx_spi_board_info[] __initdata = { { .modalias = "cs4271", .platform_data = &edb93xx_cs4271_data, .max_speed_hz = 6000000, .bus_num = 0, .chip_select = 0, .mode = SPI_MODE_3, }, }; static struct gpiod_lookup_table edb93xx_spi_cs_gpio_table = { .dev_id = "spi0", .table = { GPIO_LOOKUP("A", 6, "cs", GPIO_ACTIVE_LOW), { }, }, }; static struct ep93xx_spi_info edb93xx_spi_info __initdata = { /* Intentionally left blank */ }; static void __init edb93xx_register_spi(void) { if (machine_is_edb9301() || machine_is_edb9302()) edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO1; else if (machine_is_edb9302a() || machine_is_edb9307a()) edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_H(2); else if (machine_is_edb9315a()) edb93xx_cs4271_data.gpio_nreset = EP93XX_GPIO_LINE_EGPIO14; gpiod_add_lookup_table(&edb93xx_spi_cs_gpio_table); ep93xx_register_spi(&edb93xx_spi_info, edb93xx_spi_board_info, ARRAY_SIZE(edb93xx_spi_board_info)); } /************************************************************************* * EDB93xx I2S *************************************************************************/ static struct platform_device edb93xx_audio_device = { .name = "edb93xx-audio", .id = -1, }; static int __init edb93xx_has_audio(void) { return (machine_is_edb9301() || machine_is_edb9302() || machine_is_edb9302a() || machine_is_edb9307a() || machine_is_edb9315a()); } static void __init edb93xx_register_i2s(void) { if (edb93xx_has_audio()) { ep93xx_register_i2s(); platform_device_register(&edb93xx_audio_device); } } /************************************************************************* * EDB93xx pwm *************************************************************************/ static void __init edb93xx_register_pwm(void) { if (machine_is_edb9301() || machine_is_edb9302() || machine_is_edb9302a()) { /* EP9301 and EP9302 only have pwm.1 (EGPIO14) */ ep93xx_register_pwm(0, 1); } else if (machine_is_edb9307() || machine_is_edb9307a()) { /* EP9307 only has pwm.0 (PWMOUT) */ ep93xx_register_pwm(1, 0); } else { /* EP9312 and EP9315 have both */ ep93xx_register_pwm(1, 1); } } /************************************************************************* * EDB93xx framebuffer *************************************************************************/ static struct ep93xxfb_mach_info __initdata edb93xxfb_info = { .flags = 0, }; static int __init edb93xx_has_fb(void) { /* These platforms have an ep93xx with video capability */ return machine_is_edb9307() || machine_is_edb9307a() || machine_is_edb9312() || machine_is_edb9315() || machine_is_edb9315a(); } static void __init edb93xx_register_fb(void) { if (!edb93xx_has_fb()) return; if (machine_is_edb9307a() || machine_is_edb9315a()) edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN0; else edb93xxfb_info.flags |= EP93XXFB_USE_SDCSN3; ep93xx_register_fb(&edb93xxfb_info); } /************************************************************************* * EDB93xx IDE *************************************************************************/ static int __init edb93xx_has_ide(void) { /* * Although EDB9312 and EDB9315 do have IDE capability, they have * INTRQ line wired as pull-up, which makes using IDE interface * problematic. */ return machine_is_edb9312() || machine_is_edb9315() || machine_is_edb9315a(); } static void __init edb93xx_register_ide(void) { if (!edb93xx_has_ide()) return; ep93xx_register_ide(); } static void __init edb93xx_init_machine(void) { ep93xx_init_devices(); edb93xx_register_flash(); ep93xx_register_eth(&edb93xx_eth_data, 1); edb93xx_register_i2c(); edb93xx_register_spi(); edb93xx_register_i2s(); edb93xx_register_pwm(); edb93xx_register_fb(); edb93xx_register_ide(); ep93xx_register_adc(); } #ifdef CONFIG_MACH_EDB9301 MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board") /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = edb93xx_init_machine, .restart = ep93xx_restart, MACHINE_END #endif #ifdef CONFIG_MACH_EDB9302 MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board") /* Maintainer: George Kashperko <george@chas.com.ua> */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = edb93xx_init_machine, .restart = ep93xx_restart, MACHINE_END #endif #ifdef CONFIG_MACH_EDB9302A MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board") /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = edb93xx_init_machine, .restart = ep93xx_restart, MACHINE_END #endif #ifdef CONFIG_MACH_EDB9307 MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board") /* Maintainer: Herbert Valerio Riedel <hvr@gnu.org> */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = edb93xx_init_machine, .restart = ep93xx_restart, MACHINE_END #endif #ifdef CONFIG_MACH_EDB9307A MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board") /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = edb93xx_init_machine, .restart = ep93xx_restart, MACHINE_END #endif #ifdef CONFIG_MACH_EDB9312 MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board") /* Maintainer: Toufeeq Hussain <toufeeq_hussain@infosys.com> */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = edb93xx_init_machine, .restart = ep93xx_restart, MACHINE_END #endif #ifdef CONFIG_MACH_EDB9315 MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board") /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = edb93xx_init_machine, .restart = ep93xx_restart, MACHINE_END #endif #ifdef CONFIG_MACH_EDB9315A MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board") /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */ .atag_offset = 0x100, .nr_irqs = NR_EP93XX_IRQS, .map_io = ep93xx_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = edb93xx_init_machine, .restart = ep93xx_restart, MACHINE_END #endif |