diff options
| -rw-r--r-- | arch/arm/mach-omap2/devices.c | 187 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_2420_data.c | 156 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_2430_data.c | 219 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 280 | ||||
| -rw-r--r-- | arch/arm/plat-omap/include/plat/mcspi.h | 11 | ||||
| -rw-r--r-- | drivers/spi/omap2_mcspi.c | 222 |
6 files changed, 774 insertions, 301 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index e0f0ef952bc9..71f099b85e7c 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c | |||
| @@ -15,6 +15,7 @@ | |||
| 15 | #include <linux/io.h> | 15 | #include <linux/io.h> |
| 16 | #include <linux/clk.h> | 16 | #include <linux/clk.h> |
| 17 | #include <linux/err.h> | 17 | #include <linux/err.h> |
| 18 | #include <linux/slab.h> | ||
| 18 | 19 | ||
| 19 | #include <mach/hardware.h> | 20 | #include <mach/hardware.h> |
| 20 | #include <mach/irqs.h> | 21 | #include <mach/irqs.h> |
| @@ -279,163 +280,55 @@ static inline void omap_init_audio(void) {} | |||
| 279 | 280 | ||
| 280 | #include <plat/mcspi.h> | 281 | #include <plat/mcspi.h> |
| 281 | 282 | ||
| 282 | #define OMAP2_MCSPI1_BASE 0x48098000 | 283 | struct omap_device_pm_latency omap_mcspi_latency[] = { |
| 283 | #define OMAP2_MCSPI2_BASE 0x4809a000 | 284 | [0] = { |
| 284 | #define OMAP2_MCSPI3_BASE 0x480b8000 | 285 | .deactivate_func = omap_device_idle_hwmods, |
| 285 | #define OMAP2_MCSPI4_BASE 0x480ba000 | 286 | .activate_func = omap_device_enable_hwmods, |
| 286 | 287 | .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, | |
| 287 | #define OMAP4_MCSPI1_BASE 0x48098100 | ||
| 288 | #define OMAP4_MCSPI2_BASE 0x4809a100 | ||
| 289 | #define OMAP4_MCSPI3_BASE 0x480b8100 | ||
| 290 | #define OMAP4_MCSPI4_BASE 0x480ba100 | ||
| 291 | |||
| 292 | static struct omap2_mcspi_platform_config omap2_mcspi1_config = { | ||
| 293 | .num_cs = 4, | ||
| 294 | }; | ||
| 295 | |||
| 296 | static struct resource omap2_mcspi1_resources[] = { | ||
| 297 | { | ||
| 298 | .start = OMAP2_MCSPI1_BASE, | ||
| 299 | .end = OMAP2_MCSPI1_BASE + 0xff, | ||
| 300 | .flags = IORESOURCE_MEM, | ||
| 301 | }, | ||
| 302 | }; | ||
| 303 | |||
| 304 | static struct platform_device omap2_mcspi1 = { | ||
| 305 | .name = "omap2_mcspi", | ||
| 306 | .id = 1, | ||
| 307 | .num_resources = ARRAY_SIZE(omap2_mcspi1_resources), | ||
| 308 | .resource = omap2_mcspi1_resources, | ||
| 309 | .dev = { | ||
| 310 | .platform_data = &omap2_mcspi1_config, | ||
| 311 | }, | ||
| 312 | }; | ||
| 313 | |||
| 314 | static struct omap2_mcspi_platform_config omap2_mcspi2_config = { | ||
| 315 | .num_cs = 2, | ||
| 316 | }; | ||
| 317 | |||
| 318 | static struct resource omap2_mcspi2_resources[] = { | ||
| 319 | { | ||
| 320 | .start = OMAP2_MCSPI2_BASE, | ||
| 321 | .end = OMAP2_MCSPI2_BASE + 0xff, | ||
| 322 | .flags = IORESOURCE_MEM, | ||
| 323 | }, | ||
| 324 | }; | ||
| 325 | |||
| 326 | static struct platform_device omap2_mcspi2 = { | ||
| 327 | .name = "omap2_mcspi", | ||
| 328 | .id = 2, | ||
| 329 | .num_resources = ARRAY_SIZE(omap2_mcspi2_resources), | ||
| 330 | .resource = omap2_mcspi2_resources, | ||
| 331 | .dev = { | ||
| 332 | .platform_data = &omap2_mcspi2_config, | ||
| 333 | }, | ||
| 334 | }; | ||
| 335 | |||
| 336 | #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \ | ||
| 337 | defined(CONFIG_ARCH_OMAP4) | ||
| 338 | static struct omap2_mcspi_platform_config omap2_mcspi3_config = { | ||
| 339 | .num_cs = 2, | ||
| 340 | }; | ||
| 341 | |||
| 342 | static struct resource omap2_mcspi3_resources[] = { | ||
| 343 | { | ||
| 344 | .start = OMAP2_MCSPI3_BASE, | ||
| 345 | .end = OMAP2_MCSPI3_BASE + 0xff, | ||
| 346 | .flags = IORESOURCE_MEM, | ||
| 347 | }, | ||
| 348 | }; | ||
| 349 | |||
| 350 | static struct platform_device omap2_mcspi3 = { | ||
| 351 | .name = "omap2_mcspi", | ||
| 352 | .id = 3, | ||
| 353 | .num_resources = ARRAY_SIZE(omap2_mcspi3_resources), | ||
| 354 | .resource = omap2_mcspi3_resources, | ||
| 355 | .dev = { | ||
| 356 | .platform_data = &omap2_mcspi3_config, | ||
| 357 | }, | ||
| 358 | }; | ||
| 359 | #endif | ||
| 360 | |||
| 361 | #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) | ||
| 362 | static struct omap2_mcspi_platform_config omap2_mcspi4_config = { | ||
| 363 | .num_cs = 1, | ||
| 364 | }; | ||
| 365 | |||
| 366 | static struct resource omap2_mcspi4_resources[] = { | ||
| 367 | { | ||
| 368 | .start = OMAP2_MCSPI4_BASE, | ||
| 369 | .end = OMAP2_MCSPI4_BASE + 0xff, | ||
| 370 | .flags = IORESOURCE_MEM, | ||
| 371 | }, | ||
| 372 | }; | ||
| 373 | |||
| 374 | static struct platform_device omap2_mcspi4 = { | ||
| 375 | .name = "omap2_mcspi", | ||
| 376 | .id = 4, | ||
| 377 | .num_resources = ARRAY_SIZE(omap2_mcspi4_resources), | ||
| 378 | .resource = omap2_mcspi4_resources, | ||
| 379 | .dev = { | ||
| 380 | .platform_data = &omap2_mcspi4_config, | ||
| 381 | }, | 288 | }, |
| 382 | }; | 289 | }; |
| 383 | #endif | ||
| 384 | 290 | ||
| 385 | #ifdef CONFIG_ARCH_OMAP4 | 291 | static int omap_mcspi_init(struct omap_hwmod *oh, void *unused) |
| 386 | static inline void omap4_mcspi_fixup(void) | ||
| 387 | { | 292 | { |
| 388 | omap2_mcspi1_resources[0].start = OMAP4_MCSPI1_BASE; | 293 | struct omap_device *od; |
| 389 | omap2_mcspi1_resources[0].end = OMAP4_MCSPI1_BASE + 0xff; | 294 | char *name = "omap2_mcspi"; |
| 390 | omap2_mcspi2_resources[0].start = OMAP4_MCSPI2_BASE; | 295 | struct omap2_mcspi_platform_config *pdata; |
| 391 | omap2_mcspi2_resources[0].end = OMAP4_MCSPI2_BASE + 0xff; | 296 | static int spi_num; |
| 392 | omap2_mcspi3_resources[0].start = OMAP4_MCSPI3_BASE; | 297 | struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr; |
| 393 | omap2_mcspi3_resources[0].end = OMAP4_MCSPI3_BASE + 0xff; | 298 | |
| 394 | omap2_mcspi4_resources[0].start = OMAP4_MCSPI4_BASE; | 299 | pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); |
| 395 | omap2_mcspi4_resources[0].end = OMAP4_MCSPI4_BASE + 0xff; | 300 | if (!pdata) { |
| 396 | } | 301 | pr_err("Memory allocation for McSPI device failed\n"); |
| 397 | #else | 302 | return -ENOMEM; |
| 398 | static inline void omap4_mcspi_fixup(void) | 303 | } |
| 399 | { | ||
| 400 | } | ||
| 401 | #endif | ||
| 402 | 304 | ||
| 403 | #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_ARCH_OMAP3) || \ | 305 | pdata->num_cs = mcspi_attrib->num_chipselect; |
| 404 | defined(CONFIG_ARCH_OMAP4) | 306 | switch (oh->class->rev) { |
| 405 | static inline void omap2_mcspi3_init(void) | 307 | case OMAP2_MCSPI_REV: |
| 406 | { | 308 | case OMAP3_MCSPI_REV: |
| 407 | platform_device_register(&omap2_mcspi3); | 309 | pdata->regs_offset = 0; |
| 408 | } | 310 | break; |
| 409 | #else | 311 | case OMAP4_MCSPI_REV: |
| 410 | static inline void omap2_mcspi3_init(void) | 312 | pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET; |
| 411 | { | 313 | break; |
| 412 | } | 314 | default: |
| 413 | #endif | 315 | pr_err("Invalid McSPI Revision value\n"); |
| 316 | return -EINVAL; | ||
| 317 | } | ||
| 414 | 318 | ||
| 415 | #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) | 319 | spi_num++; |
| 416 | static inline void omap2_mcspi4_init(void) | 320 | od = omap_device_build(name, spi_num, oh, pdata, |
| 417 | { | 321 | sizeof(*pdata), omap_mcspi_latency, |
| 418 | platform_device_register(&omap2_mcspi4); | 322 | ARRAY_SIZE(omap_mcspi_latency), 0); |
| 419 | } | 323 | WARN(IS_ERR(od), "Cant build omap_device for %s:%s\n", |
| 420 | #else | 324 | name, oh->name); |
| 421 | static inline void omap2_mcspi4_init(void) | 325 | kfree(pdata); |
| 422 | { | 326 | return 0; |
| 423 | } | 327 | } |
| 424 | #endif | ||
| 425 | 328 | ||
| 426 | static void omap_init_mcspi(void) | 329 | static void omap_init_mcspi(void) |
| 427 | { | 330 | { |
| 428 | if (cpu_is_omap44xx()) | 331 | omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); |
| 429 | omap4_mcspi_fixup(); | ||
| 430 | |||
| 431 | platform_device_register(&omap2_mcspi1); | ||
| 432 | platform_device_register(&omap2_mcspi2); | ||
| 433 | |||
| 434 | if (cpu_is_omap2430() || cpu_is_omap343x() || cpu_is_omap44xx()) | ||
| 435 | omap2_mcspi3_init(); | ||
| 436 | |||
| 437 | if (cpu_is_omap343x() || cpu_is_omap44xx()) | ||
| 438 | omap2_mcspi4_init(); | ||
| 439 | } | 332 | } |
| 440 | 333 | ||
| 441 | #else | 334 | #else |
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index b85c630b64d6..7fffd340c76f 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c | |||
| @@ -18,6 +18,7 @@ | |||
| 18 | #include <plat/serial.h> | 18 | #include <plat/serial.h> |
| 19 | #include <plat/i2c.h> | 19 | #include <plat/i2c.h> |
| 20 | #include <plat/gpio.h> | 20 | #include <plat/gpio.h> |
| 21 | #include <plat/mcspi.h> | ||
| 21 | 22 | ||
| 22 | #include "omap_hwmod_common_data.h" | 23 | #include "omap_hwmod_common_data.h" |
| 23 | 24 | ||
| @@ -44,6 +45,8 @@ static struct omap_hwmod omap2420_gpio2_hwmod; | |||
| 44 | static struct omap_hwmod omap2420_gpio3_hwmod; | 45 | static struct omap_hwmod omap2420_gpio3_hwmod; |
| 45 | static struct omap_hwmod omap2420_gpio4_hwmod; | 46 | static struct omap_hwmod omap2420_gpio4_hwmod; |
| 46 | static struct omap_hwmod omap2420_dma_system_hwmod; | 47 | static struct omap_hwmod omap2420_dma_system_hwmod; |
| 48 | static struct omap_hwmod omap2420_mcspi1_hwmod; | ||
| 49 | static struct omap_hwmod omap2420_mcspi2_hwmod; | ||
| 47 | 50 | ||
| 48 | /* L3 -> L4_CORE interface */ | 51 | /* L3 -> L4_CORE interface */ |
| 49 | static struct omap_hwmod_ocp_if omap2420_l3_main__l4_core = { | 52 | static struct omap_hwmod_ocp_if omap2420_l3_main__l4_core = { |
| @@ -88,6 +91,42 @@ static struct omap_hwmod omap2420_uart3_hwmod; | |||
| 88 | static struct omap_hwmod omap2420_i2c1_hwmod; | 91 | static struct omap_hwmod omap2420_i2c1_hwmod; |
| 89 | static struct omap_hwmod omap2420_i2c2_hwmod; | 92 | static struct omap_hwmod omap2420_i2c2_hwmod; |
| 90 | 93 | ||
| 94 | /* l4 core -> mcspi1 interface */ | ||
| 95 | static struct omap_hwmod_addr_space omap2420_mcspi1_addr_space[] = { | ||
| 96 | { | ||
| 97 | .pa_start = 0x48098000, | ||
| 98 | .pa_end = 0x480980ff, | ||
| 99 | .flags = ADDR_TYPE_RT, | ||
| 100 | }, | ||
| 101 | }; | ||
| 102 | |||
| 103 | static struct omap_hwmod_ocp_if omap2420_l4_core__mcspi1 = { | ||
| 104 | .master = &omap2420_l4_core_hwmod, | ||
| 105 | .slave = &omap2420_mcspi1_hwmod, | ||
| 106 | .clk = "mcspi1_ick", | ||
| 107 | .addr = omap2420_mcspi1_addr_space, | ||
| 108 | .addr_cnt = ARRAY_SIZE(omap2420_mcspi1_addr_space), | ||
| 109 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 110 | }; | ||
| 111 | |||
| 112 | /* l4 core -> mcspi2 interface */ | ||
| 113 | static struct omap_hwmod_addr_space omap2420_mcspi2_addr_space[] = { | ||
| 114 | { | ||
| 115 | .pa_start = 0x4809a000, | ||
| 116 | .pa_end = 0x4809a0ff, | ||
| 117 | .flags = ADDR_TYPE_RT, | ||
| 118 | }, | ||
| 119 | }; | ||
| 120 | |||
| 121 | static struct omap_hwmod_ocp_if omap2420_l4_core__mcspi2 = { | ||
| 122 | .master = &omap2420_l4_core_hwmod, | ||
| 123 | .slave = &omap2420_mcspi2_hwmod, | ||
| 124 | .clk = "mcspi2_ick", | ||
| 125 | .addr = omap2420_mcspi2_addr_space, | ||
| 126 | .addr_cnt = ARRAY_SIZE(omap2420_mcspi2_addr_space), | ||
| 127 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 128 | }; | ||
| 129 | |||
| 91 | /* L4_CORE -> L4_WKUP interface */ | 130 | /* L4_CORE -> L4_WKUP interface */ |
| 92 | static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = { | 131 | static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = { |
| 93 | .master = &omap2420_l4_core_hwmod, | 132 | .master = &omap2420_l4_core_hwmod, |
| @@ -864,6 +903,119 @@ static struct omap_hwmod omap2420_dma_system_hwmod = { | |||
| 864 | .flags = HWMOD_NO_IDLEST, | 903 | .flags = HWMOD_NO_IDLEST, |
| 865 | }; | 904 | }; |
| 866 | 905 | ||
| 906 | /* | ||
| 907 | * 'mcspi' class | ||
| 908 | * multichannel serial port interface (mcspi) / master/slave synchronous serial | ||
| 909 | * bus | ||
| 910 | */ | ||
| 911 | |||
| 912 | static struct omap_hwmod_class_sysconfig omap2420_mcspi_sysc = { | ||
| 913 | .rev_offs = 0x0000, | ||
| 914 | .sysc_offs = 0x0010, | ||
| 915 | .syss_offs = 0x0014, | ||
| 916 | .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | | ||
| 917 | SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | | ||
| 918 | SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS), | ||
| 919 | .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), | ||
| 920 | .sysc_fields = &omap_hwmod_sysc_type1, | ||
| 921 | }; | ||
| 922 | |||
| 923 | static struct omap_hwmod_class omap2420_mcspi_class = { | ||
| 924 | .name = "mcspi", | ||
| 925 | .sysc = &omap2420_mcspi_sysc, | ||
| 926 | .rev = OMAP2_MCSPI_REV, | ||
| 927 | }; | ||
| 928 | |||
| 929 | /* mcspi1 */ | ||
| 930 | static struct omap_hwmod_irq_info omap2420_mcspi1_mpu_irqs[] = { | ||
| 931 | { .irq = 65 }, | ||
| 932 | }; | ||
| 933 | |||
| 934 | static struct omap_hwmod_dma_info omap2420_mcspi1_sdma_reqs[] = { | ||
| 935 | { .name = "tx0", .dma_req = 35 }, /* DMA_SPI1_TX0 */ | ||
| 936 | { .name = "rx0", .dma_req = 36 }, /* DMA_SPI1_RX0 */ | ||
| 937 | { .name = "tx1", .dma_req = 37 }, /* DMA_SPI1_TX1 */ | ||
| 938 | { .name = "rx1", .dma_req = 38 }, /* DMA_SPI1_RX1 */ | ||
| 939 | { .name = "tx2", .dma_req = 39 }, /* DMA_SPI1_TX2 */ | ||
| 940 | { .name = "rx2", .dma_req = 40 }, /* DMA_SPI1_RX2 */ | ||
| 941 | { .name = "tx3", .dma_req = 41 }, /* DMA_SPI1_TX3 */ | ||
| 942 | { .name = "rx3", .dma_req = 42 }, /* DMA_SPI1_RX3 */ | ||
| 943 | }; | ||
| 944 | |||
| 945 | static struct omap_hwmod_ocp_if *omap2420_mcspi1_slaves[] = { | ||
| 946 | &omap2420_l4_core__mcspi1, | ||
| 947 | }; | ||
| 948 | |||
| 949 | static struct omap2_mcspi_dev_attr omap_mcspi1_dev_attr = { | ||
| 950 | .num_chipselect = 4, | ||
| 951 | }; | ||
| 952 | |||
| 953 | static struct omap_hwmod omap2420_mcspi1_hwmod = { | ||
| 954 | .name = "mcspi1_hwmod", | ||
| 955 | .mpu_irqs = omap2420_mcspi1_mpu_irqs, | ||
| 956 | .mpu_irqs_cnt = ARRAY_SIZE(omap2420_mcspi1_mpu_irqs), | ||
| 957 | .sdma_reqs = omap2420_mcspi1_sdma_reqs, | ||
| 958 | .sdma_reqs_cnt = ARRAY_SIZE(omap2420_mcspi1_sdma_reqs), | ||
| 959 | .main_clk = "mcspi1_fck", | ||
| 960 | .prcm = { | ||
| 961 | .omap2 = { | ||
| 962 | .module_offs = CORE_MOD, | ||
| 963 | .prcm_reg_id = 1, | ||
| 964 | .module_bit = OMAP24XX_EN_MCSPI1_SHIFT, | ||
| 965 | .idlest_reg_id = 1, | ||
| 966 | .idlest_idle_bit = OMAP24XX_ST_MCSPI1_SHIFT, | ||
| 967 | }, | ||
| 968 | }, | ||
| 969 | .slaves = omap2420_mcspi1_slaves, | ||
| 970 | .slaves_cnt = ARRAY_SIZE(omap2420_mcspi1_slaves), | ||
| 971 | .class = &omap2420_mcspi_class, | ||
| 972 | .dev_attr = &omap_mcspi1_dev_attr, | ||
| 973 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), | ||
| 974 | }; | ||
| 975 | |||
| 976 | /* mcspi2 */ | ||
| 977 | static struct omap_hwmod_irq_info omap2420_mcspi2_mpu_irqs[] = { | ||
| 978 | { .irq = 66 }, | ||
| 979 | }; | ||
| 980 | |||
| 981 | static struct omap_hwmod_dma_info omap2420_mcspi2_sdma_reqs[] = { | ||
| 982 | { .name = "tx0", .dma_req = 43 }, /* DMA_SPI2_TX0 */ | ||
| 983 | { .name = "rx0", .dma_req = 44 }, /* DMA_SPI2_RX0 */ | ||
| 984 | { .name = "tx1", .dma_req = 45 }, /* DMA_SPI2_TX1 */ | ||
| 985 | { .name = "rx1", .dma_req = 46 }, /* DMA_SPI2_RX1 */ | ||
| 986 | }; | ||
| 987 | |||
| 988 | static struct omap_hwmod_ocp_if *omap2420_mcspi2_slaves[] = { | ||
| 989 | &omap2420_l4_core__mcspi2, | ||
| 990 | }; | ||
| 991 | |||
| 992 | static struct omap2_mcspi_dev_attr omap_mcspi2_dev_attr = { | ||
| 993 | .num_chipselect = 2, | ||
| 994 | }; | ||
| 995 | |||
| 996 | static struct omap_hwmod omap2420_mcspi2_hwmod = { | ||
| 997 | .name = "mcspi2_hwmod", | ||
| 998 | .mpu_irqs = omap2420_mcspi2_mpu_irqs, | ||
| 999 | .mpu_irqs_cnt = ARRAY_SIZE(omap2420_mcspi2_mpu_irqs), | ||
| 1000 | .sdma_reqs = omap2420_mcspi2_sdma_reqs, | ||
| 1001 | .sdma_reqs_cnt = ARRAY_SIZE(omap2420_mcspi2_sdma_reqs), | ||
| 1002 | .main_clk = "mcspi2_fck", | ||
| 1003 | .prcm = { | ||
| 1004 | .omap2 = { | ||
| 1005 | .module_offs = CORE_MOD, | ||
| 1006 | .prcm_reg_id = 1, | ||
| 1007 | .module_bit = OMAP24XX_EN_MCSPI2_SHIFT, | ||
| 1008 | .idlest_reg_id = 1, | ||
| 1009 | .idlest_idle_bit = OMAP24XX_ST_MCSPI2_SHIFT, | ||
| 1010 | }, | ||
| 1011 | }, | ||
| 1012 | .slaves = omap2420_mcspi2_slaves, | ||
| 1013 | .slaves_cnt = ARRAY_SIZE(omap2420_mcspi2_slaves), | ||
| 1014 | .class = &omap2420_mcspi_class, | ||
| 1015 | .dev_attr = &omap_mcspi2_dev_attr, | ||
| 1016 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), | ||
| 1017 | }; | ||
| 1018 | |||
| 867 | static __initdata struct omap_hwmod *omap2420_hwmods[] = { | 1019 | static __initdata struct omap_hwmod *omap2420_hwmods[] = { |
| 868 | &omap2420_l3_main_hwmod, | 1020 | &omap2420_l3_main_hwmod, |
| 869 | &omap2420_l4_core_hwmod, | 1021 | &omap2420_l4_core_hwmod, |
| @@ -885,6 +1037,10 @@ static __initdata struct omap_hwmod *omap2420_hwmods[] = { | |||
| 885 | 1037 | ||
| 886 | /* dma_system class*/ | 1038 | /* dma_system class*/ |
| 887 | &omap2420_dma_system_hwmod, | 1039 | &omap2420_dma_system_hwmod, |
| 1040 | |||
| 1041 | /* mcspi class */ | ||
| 1042 | &omap2420_mcspi1_hwmod, | ||
| 1043 | &omap2420_mcspi2_hwmod, | ||
| 888 | NULL, | 1044 | NULL, |
| 889 | }; | 1045 | }; |
| 890 | 1046 | ||
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index 8ecfbcde13ba..60fe4aac1f50 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c | |||
| @@ -18,6 +18,7 @@ | |||
| 18 | #include <plat/serial.h> | 18 | #include <plat/serial.h> |
| 19 | #include <plat/i2c.h> | 19 | #include <plat/i2c.h> |
| 20 | #include <plat/gpio.h> | 20 | #include <plat/gpio.h> |
| 21 | #include <plat/mcspi.h> | ||
| 21 | 22 | ||
| 22 | #include "omap_hwmod_common_data.h" | 23 | #include "omap_hwmod_common_data.h" |
| 23 | 24 | ||
| @@ -45,6 +46,9 @@ static struct omap_hwmod omap2430_gpio3_hwmod; | |||
| 45 | static struct omap_hwmod omap2430_gpio4_hwmod; | 46 | static struct omap_hwmod omap2430_gpio4_hwmod; |
| 46 | static struct omap_hwmod omap2430_gpio5_hwmod; | 47 | static struct omap_hwmod omap2430_gpio5_hwmod; |
| 47 | static struct omap_hwmod omap2430_dma_system_hwmod; | 48 | static struct omap_hwmod omap2430_dma_system_hwmod; |
| 49 | static struct omap_hwmod omap2430_mcspi1_hwmod; | ||
| 50 | static struct omap_hwmod omap2430_mcspi2_hwmod; | ||
| 51 | static struct omap_hwmod omap2430_mcspi3_hwmod; | ||
| 48 | 52 | ||
| 49 | /* L3 -> L4_CORE interface */ | 53 | /* L3 -> L4_CORE interface */ |
| 50 | static struct omap_hwmod_ocp_if omap2430_l3_main__l4_core = { | 54 | static struct omap_hwmod_ocp_if omap2430_l3_main__l4_core = { |
| @@ -223,6 +227,60 @@ static struct omap_hwmod_ocp_if *omap2430_l4_wkup_slaves[] = { | |||
| 223 | static struct omap_hwmod_ocp_if *omap2430_l4_wkup_masters[] = { | 227 | static struct omap_hwmod_ocp_if *omap2430_l4_wkup_masters[] = { |
| 224 | }; | 228 | }; |
| 225 | 229 | ||
| 230 | /* l4 core -> mcspi1 interface */ | ||
| 231 | static struct omap_hwmod_addr_space omap2430_mcspi1_addr_space[] = { | ||
| 232 | { | ||
| 233 | .pa_start = 0x48098000, | ||
| 234 | .pa_end = 0x480980ff, | ||
| 235 | .flags = ADDR_TYPE_RT, | ||
| 236 | }, | ||
| 237 | }; | ||
| 238 | |||
| 239 | static struct omap_hwmod_ocp_if omap2430_l4_core__mcspi1 = { | ||
| 240 | .master = &omap2430_l4_core_hwmod, | ||
| 241 | .slave = &omap2430_mcspi1_hwmod, | ||
| 242 | .clk = "mcspi1_ick", | ||
| 243 | .addr = omap2430_mcspi1_addr_space, | ||
| 244 | .addr_cnt = ARRAY_SIZE(omap2430_mcspi1_addr_space), | ||
| 245 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 246 | }; | ||
| 247 | |||
| 248 | /* l4 core -> mcspi2 interface */ | ||
| 249 | static struct omap_hwmod_addr_space omap2430_mcspi2_addr_space[] = { | ||
| 250 | { | ||
| 251 | .pa_start = 0x4809a000, | ||
| 252 | .pa_end = 0x4809a0ff, | ||
| 253 | .flags = ADDR_TYPE_RT, | ||
| 254 | }, | ||
| 255 | }; | ||
| 256 | |||
| 257 | static struct omap_hwmod_ocp_if omap2430_l4_core__mcspi2 = { | ||
| 258 | .master = &omap2430_l4_core_hwmod, | ||
| 259 | .slave = &omap2430_mcspi2_hwmod, | ||
| 260 | .clk = "mcspi2_ick", | ||
| 261 | .addr = omap2430_mcspi2_addr_space, | ||
| 262 | .addr_cnt = ARRAY_SIZE(omap2430_mcspi2_addr_space), | ||
| 263 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 264 | }; | ||
| 265 | |||
| 266 | /* l4 core -> mcspi3 interface */ | ||
| 267 | static struct omap_hwmod_addr_space omap2430_mcspi3_addr_space[] = { | ||
| 268 | { | ||
| 269 | .pa_start = 0x480b8000, | ||
| 270 | .pa_end = 0x480b80ff, | ||
| 271 | .flags = ADDR_TYPE_RT, | ||
| 272 | }, | ||
| 273 | }; | ||
| 274 | |||
| 275 | static struct omap_hwmod_ocp_if omap2430_l4_core__mcspi3 = { | ||
| 276 | .master = &omap2430_l4_core_hwmod, | ||
| 277 | .slave = &omap2430_mcspi3_hwmod, | ||
| 278 | .clk = "mcspi3_ick", | ||
| 279 | .addr = omap2430_mcspi3_addr_space, | ||
| 280 | .addr_cnt = ARRAY_SIZE(omap2430_mcspi3_addr_space), | ||
| 281 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 282 | }; | ||
| 283 | |||
| 226 | /* L4 WKUP */ | 284 | /* L4 WKUP */ |
| 227 | static struct omap_hwmod omap2430_l4_wkup_hwmod = { | 285 | static struct omap_hwmod omap2430_l4_wkup_hwmod = { |
| 228 | .name = "l4_wkup", | 286 | .name = "l4_wkup", |
| @@ -919,6 +977,162 @@ static struct omap_hwmod omap2430_dma_system_hwmod = { | |||
| 919 | .flags = HWMOD_NO_IDLEST, | 977 | .flags = HWMOD_NO_IDLEST, |
| 920 | }; | 978 | }; |
| 921 | 979 | ||
| 980 | /* | ||
| 981 | * 'mcspi' class | ||
| 982 | * multichannel serial port interface (mcspi) / master/slave synchronous serial | ||
| 983 | * bus | ||
| 984 | */ | ||
| 985 | |||
| 986 | static struct omap_hwmod_class_sysconfig omap2430_mcspi_sysc = { | ||
| 987 | .rev_offs = 0x0000, | ||
| 988 | .sysc_offs = 0x0010, | ||
| 989 | .syss_offs = 0x0014, | ||
| 990 | .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | | ||
| 991 | SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | | ||
| 992 | SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS), | ||
| 993 | .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), | ||
| 994 | .sysc_fields = &omap_hwmod_sysc_type1, | ||
| 995 | }; | ||
| 996 | |||
| 997 | static struct omap_hwmod_class omap2430_mcspi_class = { | ||
| 998 | .name = "mcspi", | ||
| 999 | .sysc = &omap2430_mcspi_sysc, | ||
| 1000 | .rev = OMAP2_MCSPI_REV, | ||
| 1001 | }; | ||
| 1002 | |||
| 1003 | /* mcspi1 */ | ||
| 1004 | static struct omap_hwmod_irq_info omap2430_mcspi1_mpu_irqs[] = { | ||
| 1005 | { .irq = 65 }, | ||
| 1006 | }; | ||
| 1007 | |||
| 1008 | static struct omap_hwmod_dma_info omap2430_mcspi1_sdma_reqs[] = { | ||
| 1009 | { .name = "tx0", .dma_req = 35 }, /* DMA_SPI1_TX0 */ | ||
| 1010 | { .name = "rx0", .dma_req = 36 }, /* DMA_SPI1_RX0 */ | ||
| 1011 | { .name = "tx1", .dma_req = 37 }, /* DMA_SPI1_TX1 */ | ||
| 1012 | { .name = "rx1", .dma_req = 38 }, /* DMA_SPI1_RX1 */ | ||
| 1013 | { .name = "tx2", .dma_req = 39 }, /* DMA_SPI1_TX2 */ | ||
| 1014 | { .name = "rx2", .dma_req = 40 }, /* DMA_SPI1_RX2 */ | ||
| 1015 | { .name = "tx3", .dma_req = 41 }, /* DMA_SPI1_TX3 */ | ||
| 1016 | { .name = "rx3", .dma_req = 42 }, /* DMA_SPI1_RX3 */ | ||
| 1017 | }; | ||
| 1018 | |||
| 1019 | static struct omap_hwmod_ocp_if *omap2430_mcspi1_slaves[] = { | ||
| 1020 | &omap2430_l4_core__mcspi1, | ||
| 1021 | }; | ||
| 1022 | |||
| 1023 | static struct omap2_mcspi_dev_attr omap_mcspi1_dev_attr = { | ||
| 1024 | .num_chipselect = 4, | ||
| 1025 | }; | ||
| 1026 | |||
| 1027 | static struct omap_hwmod omap2430_mcspi1_hwmod = { | ||
| 1028 | .name = "mcspi1_hwmod", | ||
| 1029 | .mpu_irqs = omap2430_mcspi1_mpu_irqs, | ||
| 1030 | .mpu_irqs_cnt = ARRAY_SIZE(omap2430_mcspi1_mpu_irqs), | ||
| 1031 | .sdma_reqs = omap2430_mcspi1_sdma_reqs, | ||
| 1032 | .sdma_reqs_cnt = ARRAY_SIZE(omap2430_mcspi1_sdma_reqs), | ||
| 1033 | .main_clk = "mcspi1_fck", | ||
| 1034 | .prcm = { | ||
| 1035 | .omap2 = { | ||
| 1036 | .module_offs = CORE_MOD, | ||
| 1037 | .prcm_reg_id = 1, | ||
| 1038 | .module_bit = OMAP24XX_EN_MCSPI1_SHIFT, | ||
| 1039 | .idlest_reg_id = 1, | ||
| 1040 | .idlest_idle_bit = OMAP24XX_ST_MCSPI1_SHIFT, | ||
| 1041 | }, | ||
| 1042 | }, | ||
| 1043 | .slaves = omap2430_mcspi1_slaves, | ||
| 1044 | .slaves_cnt = ARRAY_SIZE(omap2430_mcspi1_slaves), | ||
| 1045 | .class = &omap2430_mcspi_class, | ||
| 1046 | .dev_attr = &omap_mcspi1_dev_attr, | ||
| 1047 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), | ||
| 1048 | }; | ||
| 1049 | |||
| 1050 | /* mcspi2 */ | ||
| 1051 | static struct omap_hwmod_irq_info omap2430_mcspi2_mpu_irqs[] = { | ||
| 1052 | { .irq = 66 }, | ||
| 1053 | }; | ||
| 1054 | |||
| 1055 | static struct omap_hwmod_dma_info omap2430_mcspi2_sdma_reqs[] = { | ||
| 1056 | { .name = "tx0", .dma_req = 43 }, /* DMA_SPI2_TX0 */ | ||
| 1057 | { .name = "rx0", .dma_req = 44 }, /* DMA_SPI2_RX0 */ | ||
| 1058 | { .name = "tx1", .dma_req = 45 }, /* DMA_SPI2_TX1 */ | ||
| 1059 | { .name = "rx1", .dma_req = 46 }, /* DMA_SPI2_RX1 */ | ||
| 1060 | }; | ||
| 1061 | |||
| 1062 | static struct omap_hwmod_ocp_if *omap2430_mcspi2_slaves[] = { | ||
| 1063 | &omap2430_l4_core__mcspi2, | ||
| 1064 | }; | ||
| 1065 | |||
| 1066 | static struct omap2_mcspi_dev_attr omap_mcspi2_dev_attr = { | ||
| 1067 | .num_chipselect = 2, | ||
| 1068 | }; | ||
| 1069 | |||
| 1070 | static struct omap_hwmod omap2430_mcspi2_hwmod = { | ||
| 1071 | .name = "mcspi2_hwmod", | ||
| 1072 | .mpu_irqs = omap2430_mcspi2_mpu_irqs, | ||
| 1073 | .mpu_irqs_cnt = ARRAY_SIZE(omap2430_mcspi2_mpu_irqs), | ||
| 1074 | .sdma_reqs = omap2430_mcspi2_sdma_reqs, | ||
| 1075 | .sdma_reqs_cnt = ARRAY_SIZE(omap2430_mcspi2_sdma_reqs), | ||
| 1076 | .main_clk = "mcspi2_fck", | ||
| 1077 | .prcm = { | ||
| 1078 | .omap2 = { | ||
| 1079 | .module_offs = CORE_MOD, | ||
| 1080 | .prcm_reg_id = 1, | ||
| 1081 | .module_bit = OMAP24XX_EN_MCSPI2_SHIFT, | ||
| 1082 | .idlest_reg_id = 1, | ||
| 1083 | .idlest_idle_bit = OMAP24XX_ST_MCSPI2_SHIFT, | ||
| 1084 | }, | ||
| 1085 | }, | ||
| 1086 | .slaves = omap2430_mcspi2_slaves, | ||
| 1087 | .slaves_cnt = ARRAY_SIZE(omap2430_mcspi2_slaves), | ||
| 1088 | .class = &omap2430_mcspi_class, | ||
| 1089 | .dev_attr = &omap_mcspi2_dev_attr, | ||
| 1090 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), | ||
| 1091 | }; | ||
| 1092 | |||
| 1093 | /* mcspi3 */ | ||
| 1094 | static struct omap_hwmod_irq_info omap2430_mcspi3_mpu_irqs[] = { | ||
| 1095 | { .irq = 91 }, | ||
| 1096 | }; | ||
| 1097 | |||
| 1098 | static struct omap_hwmod_dma_info omap2430_mcspi3_sdma_reqs[] = { | ||
| 1099 | { .name = "tx0", .dma_req = 15 }, /* DMA_SPI3_TX0 */ | ||
| 1100 | { .name = "rx0", .dma_req = 16 }, /* DMA_SPI3_RX0 */ | ||
| 1101 | { .name = "tx1", .dma_req = 23 }, /* DMA_SPI3_TX1 */ | ||
| 1102 | { .name = "rx1", .dma_req = 24 }, /* DMA_SPI3_RX1 */ | ||
| 1103 | }; | ||
| 1104 | |||
| 1105 | static struct omap_hwmod_ocp_if *omap2430_mcspi3_slaves[] = { | ||
| 1106 | &omap2430_l4_core__mcspi3, | ||
| 1107 | }; | ||
| 1108 | |||
| 1109 | static struct omap2_mcspi_dev_attr omap_mcspi3_dev_attr = { | ||
| 1110 | .num_chipselect = 2, | ||
| 1111 | }; | ||
| 1112 | |||
| 1113 | static struct omap_hwmod omap2430_mcspi3_hwmod = { | ||
| 1114 | .name = "mcspi3_hwmod", | ||
| 1115 | .mpu_irqs = omap2430_mcspi3_mpu_irqs, | ||
| 1116 | .mpu_irqs_cnt = ARRAY_SIZE(omap2430_mcspi3_mpu_irqs), | ||
| 1117 | .sdma_reqs = omap2430_mcspi3_sdma_reqs, | ||
| 1118 | .sdma_reqs_cnt = ARRAY_SIZE(omap2430_mcspi3_sdma_reqs), | ||
| 1119 | .main_clk = "mcspi3_fck", | ||
| 1120 | .prcm = { | ||
| 1121 | .omap2 = { | ||
| 1122 | .module_offs = CORE_MOD, | ||
| 1123 | .prcm_reg_id = 2, | ||
| 1124 | .module_bit = OMAP2430_EN_MCSPI3_SHIFT, | ||
| 1125 | .idlest_reg_id = 2, | ||
| 1126 | .idlest_idle_bit = OMAP2430_ST_MCSPI3_SHIFT, | ||
| 1127 | }, | ||
| 1128 | }, | ||
| 1129 | .slaves = omap2430_mcspi3_slaves, | ||
| 1130 | .slaves_cnt = ARRAY_SIZE(omap2430_mcspi3_slaves), | ||
| 1131 | .class = &omap2430_mcspi_class, | ||
| 1132 | .dev_attr = &omap_mcspi3_dev_attr, | ||
| 1133 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), | ||
| 1134 | }; | ||
| 1135 | |||
| 922 | static __initdata struct omap_hwmod *omap2430_hwmods[] = { | 1136 | static __initdata struct omap_hwmod *omap2430_hwmods[] = { |
| 923 | &omap2430_l3_main_hwmod, | 1137 | &omap2430_l3_main_hwmod, |
| 924 | &omap2430_l4_core_hwmod, | 1138 | &omap2430_l4_core_hwmod, |
| @@ -941,6 +1155,11 @@ static __initdata struct omap_hwmod *omap2430_hwmods[] = { | |||
| 941 | 1155 | ||
| 942 | /* dma_system class*/ | 1156 | /* dma_system class*/ |
| 943 | &omap2430_dma_system_hwmod, | 1157 | &omap2430_dma_system_hwmod, |
| 1158 | |||
| 1159 | /* mcspi class */ | ||
| 1160 | &omap2430_mcspi1_hwmod, | ||
| 1161 | &omap2430_mcspi2_hwmod, | ||
| 1162 | &omap2430_mcspi3_hwmod, | ||
| 944 | NULL, | 1163 | NULL, |
| 945 | }; | 1164 | }; |
| 946 | 1165 | ||
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 8d8181334f86..800eda4adb54 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | |||
| @@ -22,6 +22,7 @@ | |||
| 22 | #include <plat/i2c.h> | 22 | #include <plat/i2c.h> |
| 23 | #include <plat/gpio.h> | 23 | #include <plat/gpio.h> |
| 24 | #include <plat/smartreflex.h> | 24 | #include <plat/smartreflex.h> |
| 25 | #include <plat/mcspi.h> | ||
| 25 | 26 | ||
| 26 | #include "omap_hwmod_common_data.h" | 27 | #include "omap_hwmod_common_data.h" |
| 27 | 28 | ||
| @@ -55,6 +56,10 @@ static struct omap_hwmod omap3xxx_gpio5_hwmod; | |||
| 55 | static struct omap_hwmod omap3xxx_gpio6_hwmod; | 56 | static struct omap_hwmod omap3xxx_gpio6_hwmod; |
| 56 | static struct omap_hwmod omap34xx_sr1_hwmod; | 57 | static struct omap_hwmod omap34xx_sr1_hwmod; |
| 57 | static struct omap_hwmod omap34xx_sr2_hwmod; | 58 | static struct omap_hwmod omap34xx_sr2_hwmod; |
| 59 | static struct omap_hwmod omap34xx_mcspi1; | ||
| 60 | static struct omap_hwmod omap34xx_mcspi2; | ||
| 61 | static struct omap_hwmod omap34xx_mcspi3; | ||
| 62 | static struct omap_hwmod omap34xx_mcspi4; | ||
| 58 | 63 | ||
| 59 | static struct omap_hwmod omap3xxx_dma_system_hwmod; | 64 | static struct omap_hwmod omap3xxx_dma_system_hwmod; |
| 60 | 65 | ||
| @@ -1356,6 +1361,275 @@ static struct omap_hwmod omap36xx_sr2_hwmod = { | |||
| 1356 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3630ES1), | 1361 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3630ES1), |
| 1357 | }; | 1362 | }; |
| 1358 | 1363 | ||
| 1364 | /* l4 core -> mcspi1 interface */ | ||
| 1365 | static struct omap_hwmod_addr_space omap34xx_mcspi1_addr_space[] = { | ||
| 1366 | { | ||
| 1367 | .pa_start = 0x48098000, | ||
| 1368 | .pa_end = 0x480980ff, | ||
| 1369 | .flags = ADDR_TYPE_RT, | ||
| 1370 | }, | ||
| 1371 | }; | ||
| 1372 | |||
| 1373 | static struct omap_hwmod_ocp_if omap34xx_l4_core__mcspi1 = { | ||
| 1374 | .master = &omap3xxx_l4_core_hwmod, | ||
| 1375 | .slave = &omap34xx_mcspi1, | ||
| 1376 | .clk = "mcspi1_ick", | ||
| 1377 | .addr = omap34xx_mcspi1_addr_space, | ||
| 1378 | .addr_cnt = ARRAY_SIZE(omap34xx_mcspi1_addr_space), | ||
| 1379 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 1380 | }; | ||
| 1381 | |||
| 1382 | /* l4 core -> mcspi2 interface */ | ||
| 1383 | static struct omap_hwmod_addr_space omap34xx_mcspi2_addr_space[] = { | ||
| 1384 | { | ||
| 1385 | .pa_start = 0x4809a000, | ||
| 1386 | .pa_end = 0x4809a0ff, | ||
| 1387 | .flags = ADDR_TYPE_RT, | ||
| 1388 | }, | ||
| 1389 | }; | ||
| 1390 | |||
| 1391 | static struct omap_hwmod_ocp_if omap34xx_l4_core__mcspi2 = { | ||
| 1392 | .master = &omap3xxx_l4_core_hwmod, | ||
| 1393 | .slave = &omap34xx_mcspi2, | ||
| 1394 | .clk = "mcspi2_ick", | ||
| 1395 | .addr = omap34xx_mcspi2_addr_space, | ||
| 1396 | .addr_cnt = ARRAY_SIZE(omap34xx_mcspi2_addr_space), | ||
| 1397 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 1398 | }; | ||
| 1399 | |||
| 1400 | /* l4 core -> mcspi3 interface */ | ||
| 1401 | static struct omap_hwmod_addr_space omap34xx_mcspi3_addr_space[] = { | ||
| 1402 | { | ||
| 1403 | .pa_start = 0x480b8000, | ||
| 1404 | .pa_end = 0x480b80ff, | ||
| 1405 | .flags = ADDR_TYPE_RT, | ||
| 1406 | }, | ||
| 1407 | }; | ||
| 1408 | |||
| 1409 | static struct omap_hwmod_ocp_if omap34xx_l4_core__mcspi3 = { | ||
| 1410 | .master = &omap3xxx_l4_core_hwmod, | ||
| 1411 | .slave = &omap34xx_mcspi3, | ||
| 1412 | .clk = "mcspi3_ick", | ||
| 1413 | .addr = omap34xx_mcspi3_addr_space, | ||
| 1414 | .addr_cnt = ARRAY_SIZE(omap34xx_mcspi3_addr_space), | ||
| 1415 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 1416 | }; | ||
| 1417 | |||
| 1418 | /* l4 core -> mcspi4 interface */ | ||
| 1419 | static struct omap_hwmod_addr_space omap34xx_mcspi4_addr_space[] = { | ||
| 1420 | { | ||
| 1421 | .pa_start = 0x480ba000, | ||
| 1422 | .pa_end = 0x480ba0ff, | ||
| 1423 | .flags = ADDR_TYPE_RT, | ||
| 1424 | }, | ||
| 1425 | }; | ||
| 1426 | |||
| 1427 | static struct omap_hwmod_ocp_if omap34xx_l4_core__mcspi4 = { | ||
| 1428 | .master = &omap3xxx_l4_core_hwmod, | ||
| 1429 | .slave = &omap34xx_mcspi4, | ||
| 1430 | .clk = "mcspi4_ick", | ||
| 1431 | .addr = omap34xx_mcspi4_addr_space, | ||
| 1432 | .addr_cnt = ARRAY_SIZE(omap34xx_mcspi4_addr_space), | ||
| 1433 | .user = OCP_USER_MPU | OCP_USER_SDMA, | ||
| 1434 | }; | ||
| 1435 | |||
| 1436 | /* | ||
| 1437 | * 'mcspi' class | ||
| 1438 | * multichannel serial port interface (mcspi) / master/slave synchronous serial | ||
| 1439 | * bus | ||
| 1440 | */ | ||
| 1441 | |||
| 1442 | static struct omap_hwmod_class_sysconfig omap34xx_mcspi_sysc = { | ||
| 1443 | .rev_offs = 0x0000, | ||
| 1444 | .sysc_offs = 0x0010, | ||
| 1445 | .syss_offs = 0x0014, | ||
| 1446 | .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | | ||
| 1447 | SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET | | ||
| 1448 | SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS), | ||
| 1449 | .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), | ||
| 1450 | .sysc_fields = &omap_hwmod_sysc_type1, | ||
| 1451 | }; | ||
| 1452 | |||
| 1453 | static struct omap_hwmod_class omap34xx_mcspi_class = { | ||
| 1454 | .name = "mcspi", | ||
| 1455 | .sysc = &omap34xx_mcspi_sysc, | ||
| 1456 | .rev = OMAP3_MCSPI_REV, | ||
| 1457 | }; | ||
| 1458 | |||
| 1459 | /* mcspi1 */ | ||
| 1460 | static struct omap_hwmod_irq_info omap34xx_mcspi1_mpu_irqs[] = { | ||
| 1461 | { .name = "irq", .irq = 65 }, | ||
| 1462 | }; | ||
| 1463 | |||
| 1464 | static struct omap_hwmod_dma_info omap34xx_mcspi1_sdma_reqs[] = { | ||
| 1465 | { .name = "tx0", .dma_req = 35 }, | ||
| 1466 | { .name = "rx0", .dma_req = 36 }, | ||
| 1467 | { .name = "tx1", .dma_req = 37 }, | ||
| 1468 | { .name = "rx1", .dma_req = 38 }, | ||
| 1469 | { .name = "tx2", .dma_req = 39 }, | ||
| 1470 | { .name = "rx2", .dma_req = 40 }, | ||
| 1471 | { .name = "tx3", .dma_req = 41 }, | ||
| 1472 | { .name = "rx3", .dma_req = 42 }, | ||
| 1473 | }; | ||
| 1474 | |||
| 1475 | static struct omap_hwmod_ocp_if *omap34xx_mcspi1_slaves[] = { | ||
| 1476 | &omap34xx_l4_core__mcspi1, | ||
| 1477 | }; | ||
| 1478 | |||
| 1479 | static struct omap2_mcspi_dev_attr omap_mcspi1_dev_attr = { | ||
| 1480 | .num_chipselect = 4, | ||
| 1481 | }; | ||
| 1482 | |||
| 1483 | static struct omap_hwmod omap34xx_mcspi1 = { | ||
| 1484 | .name = "mcspi1", | ||
| 1485 | .mpu_irqs = omap34xx_mcspi1_mpu_irqs, | ||
| 1486 | .mpu_irqs_cnt = ARRAY_SIZE(omap34xx_mcspi1_mpu_irqs), | ||
| 1487 | .sdma_reqs = omap34xx_mcspi1_sdma_reqs, | ||
| 1488 | .sdma_reqs_cnt = ARRAY_SIZE(omap34xx_mcspi1_sdma_reqs), | ||
| 1489 | .main_clk = "mcspi1_fck", | ||
| 1490 | .prcm = { | ||
| 1491 | .omap2 = { | ||
| 1492 | .module_offs = CORE_MOD, | ||
| 1493 | .prcm_reg_id = 1, | ||
| 1494 | .module_bit = OMAP3430_EN_MCSPI1_SHIFT, | ||
| 1495 | .idlest_reg_id = 1, | ||
| 1496 | .idlest_idle_bit = OMAP3430_ST_MCSPI1_SHIFT, | ||
| 1497 | }, | ||
| 1498 | }, | ||
| 1499 | .slaves = omap34xx_mcspi1_slaves, | ||
| 1500 | .slaves_cnt = ARRAY_SIZE(omap34xx_mcspi1_slaves), | ||
| 1501 | .class = &omap34xx_mcspi_class, | ||
| 1502 | .dev_attr = &omap_mcspi1_dev_attr, | ||
| 1503 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
| 1504 | }; | ||
| 1505 | |||
| 1506 | /* mcspi2 */ | ||
| 1507 | static struct omap_hwmod_irq_info omap34xx_mcspi2_mpu_irqs[] = { | ||
| 1508 | { .name = "irq", .irq = 66 }, | ||
| 1509 | }; | ||
| 1510 | |||
| 1511 | static struct omap_hwmod_dma_info omap34xx_mcspi2_sdma_reqs[] = { | ||
| 1512 | { .name = "tx0", .dma_req = 43 }, | ||
| 1513 | { .name = "rx0", .dma_req = 44 }, | ||
| 1514 | { .name = "tx1", .dma_req = 45 }, | ||
| 1515 | { .name = "rx1", .dma_req = 46 }, | ||
| 1516 | }; | ||
| 1517 | |||
| 1518 | static struct omap_hwmod_ocp_if *omap34xx_mcspi2_slaves[] = { | ||
| 1519 | &omap34xx_l4_core__mcspi2, | ||
| 1520 | }; | ||
| 1521 | |||
| 1522 | static struct omap2_mcspi_dev_attr omap_mcspi2_dev_attr = { | ||
| 1523 | .num_chipselect = 2, | ||
| 1524 | }; | ||
| 1525 | |||
| 1526 | static struct omap_hwmod omap34xx_mcspi2 = { | ||
| 1527 | .name = "mcspi2", | ||
| 1528 | .mpu_irqs = omap34xx_mcspi2_mpu_irqs, | ||
| 1529 | .mpu_irqs_cnt = ARRAY_SIZE(omap34xx_mcspi2_mpu_irqs), | ||
| 1530 | .sdma_reqs = omap34xx_mcspi2_sdma_reqs, | ||
| 1531 | .sdma_reqs_cnt = ARRAY_SIZE(omap34xx_mcspi2_sdma_reqs), | ||
| 1532 | .main_clk = "mcspi2_fck", | ||
| 1533 | .prcm = { | ||
| 1534 | .omap2 = { | ||
| 1535 | .module_offs = CORE_MOD, | ||
| 1536 | .prcm_reg_id = 1, | ||
| 1537 | .module_bit = OMAP3430_EN_MCSPI2_SHIFT, | ||
| 1538 | .idlest_reg_id = 1, | ||
| 1539 | .idlest_idle_bit = OMAP3430_ST_MCSPI2_SHIFT, | ||
| 1540 | }, | ||
| 1541 | }, | ||
| 1542 | .slaves = omap34xx_mcspi2_slaves, | ||
| 1543 | .slaves_cnt = ARRAY_SIZE(omap34xx_mcspi2_slaves), | ||
| 1544 | .class = &omap34xx_mcspi_class, | ||
| 1545 | .dev_attr = &omap_mcspi2_dev_attr, | ||
| 1546 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
| 1547 | }; | ||
| 1548 | |||
| 1549 | /* mcspi3 */ | ||
| 1550 | static struct omap_hwmod_irq_info omap34xx_mcspi3_mpu_irqs[] = { | ||
| 1551 | { .name = "irq", .irq = 91 }, /* 91 */ | ||
| 1552 | }; | ||
| 1553 | |||
| 1554 | static struct omap_hwmod_dma_info omap34xx_mcspi3_sdma_reqs[] = { | ||
| 1555 | { .name = "tx0", .dma_req = 15 }, | ||
| 1556 | { .name = "rx0", .dma_req = 16 }, | ||
| 1557 | { .name = "tx1", .dma_req = 23 }, | ||
| 1558 | { .name = "rx1", .dma_req = 24 }, | ||
| 1559 | }; | ||
| 1560 | |||
| 1561 | static struct omap_hwmod_ocp_if *omap34xx_mcspi3_slaves[] = { | ||
| 1562 | &omap34xx_l4_core__mcspi3, | ||
| 1563 | }; | ||
| 1564 | |||
| 1565 | static struct omap2_mcspi_dev_attr omap_mcspi3_dev_attr = { | ||
| 1566 | .num_chipselect = 2, | ||
| 1567 | }; | ||
| 1568 | |||
| 1569 | static struct omap_hwmod omap34xx_mcspi3 = { | ||
| 1570 | .name = "mcspi3", | ||
| 1571 | .mpu_irqs = omap34xx_mcspi3_mpu_irqs, | ||
| 1572 | .mpu_irqs_cnt = ARRAY_SIZE(omap34xx_mcspi3_mpu_irqs), | ||
| 1573 | .sdma_reqs = omap34xx_mcspi3_sdma_reqs, | ||
| 1574 | .sdma_reqs_cnt = ARRAY_SIZE(omap34xx_mcspi3_sdma_reqs), | ||
| 1575 | .main_clk = "mcspi3_fck", | ||
| 1576 | .prcm = { | ||
| 1577 | .omap2 = { | ||
| 1578 | .module_offs = CORE_MOD, | ||
| 1579 | .prcm_reg_id = 1, | ||
| 1580 | .module_bit = OMAP3430_EN_MCSPI3_SHIFT, | ||
| 1581 | .idlest_reg_id = 1, | ||
| 1582 | .idlest_idle_bit = OMAP3430_ST_MCSPI3_SHIFT, | ||
| 1583 | }, | ||
| 1584 | }, | ||
| 1585 | .slaves = omap34xx_mcspi3_slaves, | ||
| 1586 | .slaves_cnt = ARRAY_SIZE(omap34xx_mcspi3_slaves), | ||
| 1587 | .class = &omap34xx_mcspi_class, | ||
| 1588 | .dev_attr = &omap_mcspi3_dev_attr, | ||
| 1589 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
| 1590 | }; | ||
| 1591 | |||
| 1592 | /* SPI4 */ | ||
| 1593 | static struct omap_hwmod_irq_info omap34xx_mcspi4_mpu_irqs[] = { | ||
| 1594 | { .name = "irq", .irq = INT_34XX_SPI4_IRQ }, /* 48 */ | ||
| 1595 | }; | ||
| 1596 | |||
| 1597 | static struct omap_hwmod_dma_info omap34xx_mcspi4_sdma_reqs[] = { | ||
| 1598 | { .name = "tx0", .dma_req = 70 }, /* DMA_SPI4_TX0 */ | ||
| 1599 | { .name = "rx0", .dma_req = 71 }, /* DMA_SPI4_RX0 */ | ||
| 1600 | }; | ||
| 1601 | |||
| 1602 | static struct omap_hwmod_ocp_if *omap34xx_mcspi4_slaves[] = { | ||
| 1603 | &omap34xx_l4_core__mcspi4, | ||
| 1604 | }; | ||
| 1605 | |||
| 1606 | static struct omap2_mcspi_dev_attr omap_mcspi4_dev_attr = { | ||
| 1607 | .num_chipselect = 1, | ||
| 1608 | }; | ||
| 1609 | |||
| 1610 | static struct omap_hwmod omap34xx_mcspi4 = { | ||
| 1611 | .name = "mcspi4", | ||
| 1612 | .mpu_irqs = omap34xx_mcspi4_mpu_irqs, | ||
| 1613 | .mpu_irqs_cnt = ARRAY_SIZE(omap34xx_mcspi4_mpu_irqs), | ||
| 1614 | .sdma_reqs = omap34xx_mcspi4_sdma_reqs, | ||
| 1615 | .sdma_reqs_cnt = ARRAY_SIZE(omap34xx_mcspi4_sdma_reqs), | ||
| 1616 | .main_clk = "mcspi4_fck", | ||
| 1617 | .prcm = { | ||
| 1618 | .omap2 = { | ||
| 1619 | .module_offs = CORE_MOD, | ||
| 1620 | .prcm_reg_id = 1, | ||
| 1621 | .module_bit = OMAP3430_EN_MCSPI4_SHIFT, | ||
| 1622 | .idlest_reg_id = 1, | ||
| 1623 | .idlest_idle_bit = OMAP3430_ST_MCSPI4_SHIFT, | ||
| 1624 | }, | ||
| 1625 | }, | ||
| 1626 | .slaves = omap34xx_mcspi4_slaves, | ||
| 1627 | .slaves_cnt = ARRAY_SIZE(omap34xx_mcspi4_slaves), | ||
| 1628 | .class = &omap34xx_mcspi_class, | ||
| 1629 | .dev_attr = &omap_mcspi4_dev_attr, | ||
| 1630 | .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430), | ||
| 1631 | }; | ||
| 1632 | |||
| 1359 | static __initdata struct omap_hwmod *omap3xxx_hwmods[] = { | 1633 | static __initdata struct omap_hwmod *omap3xxx_hwmods[] = { |
| 1360 | &omap3xxx_l3_main_hwmod, | 1634 | &omap3xxx_l3_main_hwmod, |
| 1361 | &omap3xxx_l4_core_hwmod, | 1635 | &omap3xxx_l4_core_hwmod, |
| @@ -1387,6 +1661,12 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = { | |||
| 1387 | 1661 | ||
| 1388 | /* dma_system class*/ | 1662 | /* dma_system class*/ |
| 1389 | &omap3xxx_dma_system_hwmod, | 1663 | &omap3xxx_dma_system_hwmod, |
| 1664 | |||
| 1665 | /* mcspi class */ | ||
| 1666 | &omap34xx_mcspi1, | ||
| 1667 | &omap34xx_mcspi2, | ||
| 1668 | &omap34xx_mcspi3, | ||
| 1669 | &omap34xx_mcspi4, | ||
| 1390 | NULL, | 1670 | NULL, |
| 1391 | }; | 1671 | }; |
| 1392 | 1672 | ||
diff --git a/arch/arm/plat-omap/include/plat/mcspi.h b/arch/arm/plat-omap/include/plat/mcspi.h index 1254e4945b6f..3d51b18131cc 100644 --- a/arch/arm/plat-omap/include/plat/mcspi.h +++ b/arch/arm/plat-omap/include/plat/mcspi.h | |||
| @@ -1,8 +1,19 @@ | |||
| 1 | #ifndef _OMAP2_MCSPI_H | 1 | #ifndef _OMAP2_MCSPI_H |
| 2 | #define _OMAP2_MCSPI_H | 2 | #define _OMAP2_MCSPI_H |
| 3 | 3 | ||
| 4 | #define OMAP2_MCSPI_REV 0 | ||
| 5 | #define OMAP3_MCSPI_REV 1 | ||
| 6 | #define OMAP4_MCSPI_REV 2 | ||
| 7 | |||
| 8 | #define OMAP4_MCSPI_REG_OFFSET 0x100 | ||
| 9 | |||
| 4 | struct omap2_mcspi_platform_config { | 10 | struct omap2_mcspi_platform_config { |
| 5 | unsigned short num_cs; | 11 | unsigned short num_cs; |
| 12 | unsigned int regs_offset; | ||
| 13 | }; | ||
| 14 | |||
| 15 | struct omap2_mcspi_dev_attr { | ||
| 16 | unsigned short num_chipselect; | ||
| 6 | }; | 17 | }; |
| 7 | 18 | ||
| 8 | struct omap2_mcspi_device_config { | 19 | struct omap2_mcspi_device_config { |
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c index f076cc5c6fb0..36501adc125d 100644 --- a/drivers/spi/omap2_mcspi.c +++ b/drivers/spi/omap2_mcspi.c | |||
| @@ -3,7 +3,7 @@ | |||
| 3 | * | 3 | * |
| 4 | * Copyright (C) 2005, 2006 Nokia Corporation | 4 | * Copyright (C) 2005, 2006 Nokia Corporation |
| 5 | * Author: Samuel Ortiz <samuel.ortiz@nokia.com> and | 5 | * Author: Samuel Ortiz <samuel.ortiz@nokia.com> and |
| 6 | * Juha Yrjölä <juha.yrjola@nokia.com> | 6 | * Juha Yrj�l� <juha.yrjola@nokia.com> |
| 7 | * | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify | 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by | 9 | * it under the terms of the GNU General Public License as published by |
| @@ -33,6 +33,7 @@ | |||
| 33 | #include <linux/clk.h> | 33 | #include <linux/clk.h> |
| 34 | #include <linux/io.h> | 34 | #include <linux/io.h> |
| 35 | #include <linux/slab.h> | 35 | #include <linux/slab.h> |
| 36 | #include <linux/pm_runtime.h> | ||
| 36 | 37 | ||
| 37 | #include <linux/spi/spi.h> | 38 | #include <linux/spi/spi.h> |
| 38 | 39 | ||
| @@ -46,7 +47,6 @@ | |||
| 46 | #define OMAP2_MCSPI_MAX_CTRL 4 | 47 | #define OMAP2_MCSPI_MAX_CTRL 4 |
| 47 | 48 | ||
| 48 | #define OMAP2_MCSPI_REVISION 0x00 | 49 | #define OMAP2_MCSPI_REVISION 0x00 |
| 49 | #define OMAP2_MCSPI_SYSCONFIG 0x10 | ||
| 50 | #define OMAP2_MCSPI_SYSSTATUS 0x14 | 50 | #define OMAP2_MCSPI_SYSSTATUS 0x14 |
| 51 | #define OMAP2_MCSPI_IRQSTATUS 0x18 | 51 | #define OMAP2_MCSPI_IRQSTATUS 0x18 |
| 52 | #define OMAP2_MCSPI_IRQENABLE 0x1c | 52 | #define OMAP2_MCSPI_IRQENABLE 0x1c |
| @@ -63,13 +63,6 @@ | |||
| 63 | 63 | ||
| 64 | /* per-register bitmasks: */ | 64 | /* per-register bitmasks: */ |
| 65 | 65 | ||
| 66 | #define OMAP2_MCSPI_SYSCONFIG_SMARTIDLE BIT(4) | ||
| 67 | #define OMAP2_MCSPI_SYSCONFIG_ENAWAKEUP BIT(2) | ||
| 68 | #define OMAP2_MCSPI_SYSCONFIG_AUTOIDLE BIT(0) | ||
| 69 | #define OMAP2_MCSPI_SYSCONFIG_SOFTRESET BIT(1) | ||
| 70 | |||
| 71 | #define OMAP2_MCSPI_SYSSTATUS_RESETDONE BIT(0) | ||
| 72 | |||
| 73 | #define OMAP2_MCSPI_MODULCTRL_SINGLE BIT(0) | 66 | #define OMAP2_MCSPI_MODULCTRL_SINGLE BIT(0) |
| 74 | #define OMAP2_MCSPI_MODULCTRL_MS BIT(2) | 67 | #define OMAP2_MCSPI_MODULCTRL_MS BIT(2) |
| 75 | #define OMAP2_MCSPI_MODULCTRL_STEST BIT(3) | 68 | #define OMAP2_MCSPI_MODULCTRL_STEST BIT(3) |
| @@ -122,13 +115,12 @@ struct omap2_mcspi { | |||
| 122 | spinlock_t lock; | 115 | spinlock_t lock; |
| 123 | struct list_head msg_queue; | 116 | struct list_head msg_queue; |
| 124 | struct spi_master *master; | 117 | struct spi_master *master; |
| 125 | struct clk *ick; | ||
| 126 | struct clk *fck; | ||
| 127 | /* Virtual base address of the controller */ | 118 | /* Virtual base address of the controller */ |
| 128 | void __iomem *base; | 119 | void __iomem *base; |
| 129 | unsigned long phys; | 120 | unsigned long phys; |
| 130 | /* SPI1 has 4 channels, while SPI2 has 2 */ | 121 | /* SPI1 has 4 channels, while SPI2 has 2 */ |
| 131 | struct omap2_mcspi_dma *dma_channels; | 122 | struct omap2_mcspi_dma *dma_channels; |
| 123 | struct device *dev; | ||
| 132 | }; | 124 | }; |
| 133 | 125 | ||
| 134 | struct omap2_mcspi_cs { | 126 | struct omap2_mcspi_cs { |
| @@ -144,7 +136,6 @@ struct omap2_mcspi_cs { | |||
| 144 | * corresponding registers are modified. | 136 | * corresponding registers are modified. |
| 145 | */ | 137 | */ |
| 146 | struct omap2_mcspi_regs { | 138 | struct omap2_mcspi_regs { |
| 147 | u32 sysconfig; | ||
| 148 | u32 modulctrl; | 139 | u32 modulctrl; |
| 149 | u32 wakeupenable; | 140 | u32 wakeupenable; |
| 150 | struct list_head cs; | 141 | struct list_head cs; |
| @@ -268,9 +259,6 @@ static void omap2_mcspi_restore_ctx(struct omap2_mcspi *mcspi) | |||
| 268 | mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_MODULCTRL, | 259 | mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_MODULCTRL, |
| 269 | omap2_mcspi_ctx[spi_cntrl->bus_num - 1].modulctrl); | 260 | omap2_mcspi_ctx[spi_cntrl->bus_num - 1].modulctrl); |
| 270 | 261 | ||
| 271 | mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_SYSCONFIG, | ||
| 272 | omap2_mcspi_ctx[spi_cntrl->bus_num - 1].sysconfig); | ||
| 273 | |||
| 274 | mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_WAKEUPENABLE, | 262 | mcspi_write_reg(spi_cntrl, OMAP2_MCSPI_WAKEUPENABLE, |
| 275 | omap2_mcspi_ctx[spi_cntrl->bus_num - 1].wakeupenable); | 263 | omap2_mcspi_ctx[spi_cntrl->bus_num - 1].wakeupenable); |
| 276 | 264 | ||
| @@ -280,20 +268,12 @@ static void omap2_mcspi_restore_ctx(struct omap2_mcspi *mcspi) | |||
| 280 | } | 268 | } |
| 281 | static void omap2_mcspi_disable_clocks(struct omap2_mcspi *mcspi) | 269 | static void omap2_mcspi_disable_clocks(struct omap2_mcspi *mcspi) |
| 282 | { | 270 | { |
| 283 | clk_disable(mcspi->ick); | 271 | pm_runtime_put_sync(mcspi->dev); |
| 284 | clk_disable(mcspi->fck); | ||
| 285 | } | 272 | } |
| 286 | 273 | ||
| 287 | static int omap2_mcspi_enable_clocks(struct omap2_mcspi *mcspi) | 274 | static int omap2_mcspi_enable_clocks(struct omap2_mcspi *mcspi) |
| 288 | { | 275 | { |
| 289 | if (clk_enable(mcspi->ick)) | 276 | return pm_runtime_get_sync(mcspi->dev); |
| 290 | return -ENODEV; | ||
| 291 | if (clk_enable(mcspi->fck)) | ||
| 292 | return -ENODEV; | ||
| 293 | |||
| 294 | omap2_mcspi_restore_ctx(mcspi); | ||
| 295 | |||
| 296 | return 0; | ||
| 297 | } | 277 | } |
| 298 | 278 | ||
| 299 | static int mcspi_wait_for_reg_bit(void __iomem *reg, unsigned long bit) | 279 | static int mcspi_wait_for_reg_bit(void __iomem *reg, unsigned long bit) |
| @@ -819,8 +799,9 @@ static int omap2_mcspi_setup(struct spi_device *spi) | |||
| 819 | return ret; | 799 | return ret; |
| 820 | } | 800 | } |
| 821 | 801 | ||
| 822 | if (omap2_mcspi_enable_clocks(mcspi)) | 802 | ret = omap2_mcspi_enable_clocks(mcspi); |
| 823 | return -ENODEV; | 803 | if (ret < 0) |
| 804 | return ret; | ||
| 824 | 805 | ||
| 825 | ret = omap2_mcspi_setup_transfer(spi, NULL); | 806 | ret = omap2_mcspi_setup_transfer(spi, NULL); |
| 826 | omap2_mcspi_disable_clocks(mcspi); | 807 | omap2_mcspi_disable_clocks(mcspi); |
| @@ -863,10 +844,11 @@ static void omap2_mcspi_work(struct work_struct *work) | |||
| 863 | struct omap2_mcspi *mcspi; | 844 | struct omap2_mcspi *mcspi; |
| 864 | 845 | ||
| 865 | mcspi = container_of(work, struct omap2_mcspi, work); | 846 | mcspi = container_of(work, struct omap2_mcspi, work); |
| 866 | spin_lock_irq(&mcspi->lock); | ||
| 867 | 847 | ||
| 868 | if (omap2_mcspi_enable_clocks(mcspi)) | 848 | if (omap2_mcspi_enable_clocks(mcspi) < 0) |
| 869 | goto out; | 849 | return; |
| 850 | |||
| 851 | spin_lock_irq(&mcspi->lock); | ||
| 870 | 852 | ||
| 871 | /* We only enable one channel at a time -- the one whose message is | 853 | /* We only enable one channel at a time -- the one whose message is |
| 872 | * at the head of the queue -- although this controller would gladly | 854 | * at the head of the queue -- although this controller would gladly |
| @@ -979,10 +961,9 @@ static void omap2_mcspi_work(struct work_struct *work) | |||
| 979 | spin_lock_irq(&mcspi->lock); | 961 | spin_lock_irq(&mcspi->lock); |
| 980 | } | 962 | } |
| 981 | 963 | ||
| 982 | omap2_mcspi_disable_clocks(mcspi); | ||
| 983 | |||
| 984 | out: | ||
| 985 | spin_unlock_irq(&mcspi->lock); | 964 | spin_unlock_irq(&mcspi->lock); |
| 965 | |||
| 966 | omap2_mcspi_disable_clocks(mcspi); | ||
| 986 | } | 967 | } |
| 987 | 968 | ||
| 988 | static int omap2_mcspi_transfer(struct spi_device *spi, struct spi_message *m) | 969 | static int omap2_mcspi_transfer(struct spi_device *spi, struct spi_message *m) |
| @@ -1058,25 +1039,15 @@ static int omap2_mcspi_transfer(struct spi_device *spi, struct spi_message *m) | |||
| 1058 | return 0; | 1039 | return 0; |
| 1059 | } | 1040 | } |
| 1060 | 1041 | ||
| 1061 | static int __init omap2_mcspi_reset(struct omap2_mcspi *mcspi) | 1042 | static int __init omap2_mcspi_master_setup(struct omap2_mcspi *mcspi) |
| 1062 | { | 1043 | { |
| 1063 | struct spi_master *master = mcspi->master; | 1044 | struct spi_master *master = mcspi->master; |
| 1064 | u32 tmp; | 1045 | u32 tmp; |
| 1046 | int ret = 0; | ||
| 1065 | 1047 | ||
| 1066 | if (omap2_mcspi_enable_clocks(mcspi)) | 1048 | ret = omap2_mcspi_enable_clocks(mcspi); |
| 1067 | return -1; | 1049 | if (ret < 0) |
| 1068 | 1050 | return ret; | |
| 1069 | mcspi_write_reg(master, OMAP2_MCSPI_SYSCONFIG, | ||
| 1070 | OMAP2_MCSPI_SYSCONFIG_SOFTRESET); | ||
| 1071 | do { | ||
| 1072 | tmp = mcspi_read_reg(master, OMAP2_MCSPI_SYSSTATUS); | ||
| 1073 | } while (!(tmp & OMAP2_MCSPI_SYSSTATUS_RESETDONE)); | ||
| 1074 | |||
| 1075 | tmp = OMAP2_MCSPI_SYSCONFIG_AUTOIDLE | | ||
| 1076 | OMAP2_MCSPI_SYSCONFIG_ENAWAKEUP | | ||
| 1077 | OMAP2_MCSPI_SYSCONFIG_SMARTIDLE; | ||
| 1078 | mcspi_write_reg(master, OMAP2_MCSPI_SYSCONFIG, tmp); | ||
| 1079 | omap2_mcspi_ctx[master->bus_num - 1].sysconfig = tmp; | ||
| 1080 | 1051 | ||
| 1081 | tmp = OMAP2_MCSPI_WAKEUPENABLE_WKEN; | 1052 | tmp = OMAP2_MCSPI_WAKEUPENABLE_WKEN; |
| 1082 | mcspi_write_reg(master, OMAP2_MCSPI_WAKEUPENABLE, tmp); | 1053 | mcspi_write_reg(master, OMAP2_MCSPI_WAKEUPENABLE, tmp); |
| @@ -1087,91 +1058,26 @@ static int __init omap2_mcspi_reset(struct omap2_mcspi *mcspi) | |||
| 1087 | return 0; | 1058 | return 0; |
| 1088 | } | 1059 | } |
| 1089 | 1060 | ||
| 1090 | static u8 __initdata spi1_rxdma_id [] = { | 1061 | static int omap_mcspi_runtime_resume(struct device *dev) |
| 1091 | OMAP24XX_DMA_SPI1_RX0, | 1062 | { |
| 1092 | OMAP24XX_DMA_SPI1_RX1, | 1063 | struct omap2_mcspi *mcspi; |
| 1093 | OMAP24XX_DMA_SPI1_RX2, | 1064 | struct spi_master *master; |
| 1094 | OMAP24XX_DMA_SPI1_RX3, | ||
| 1095 | }; | ||
| 1096 | |||
| 1097 | static u8 __initdata spi1_txdma_id [] = { | ||
| 1098 | OMAP24XX_DMA_SPI1_TX0, | ||
| 1099 | OMAP24XX_DMA_SPI1_TX1, | ||
| 1100 | OMAP24XX_DMA_SPI1_TX2, | ||
| 1101 | OMAP24XX_DMA_SPI1_TX3, | ||
| 1102 | }; | ||
| 1103 | |||
| 1104 | static u8 __initdata spi2_rxdma_id[] = { | ||
| 1105 | OMAP24XX_DMA_SPI2_RX0, | ||
| 1106 | OMAP24XX_DMA_SPI2_RX1, | ||
| 1107 | }; | ||
| 1108 | |||
| 1109 | static u8 __initdata spi2_txdma_id[] = { | ||
| 1110 | OMAP24XX_DMA_SPI2_TX0, | ||
| 1111 | OMAP24XX_DMA_SPI2_TX1, | ||
| 1112 | }; | ||
| 1113 | |||
| 1114 | #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_ARCH_OMAP3) \ | ||
| 1115 | || defined(CONFIG_ARCH_OMAP4) | ||
| 1116 | static u8 __initdata spi3_rxdma_id[] = { | ||
| 1117 | OMAP24XX_DMA_SPI3_RX0, | ||
| 1118 | OMAP24XX_DMA_SPI3_RX1, | ||
| 1119 | }; | ||
| 1120 | 1065 | ||
| 1121 | static u8 __initdata spi3_txdma_id[] = { | 1066 | master = dev_get_drvdata(dev); |
| 1122 | OMAP24XX_DMA_SPI3_TX0, | 1067 | mcspi = spi_master_get_devdata(master); |
| 1123 | OMAP24XX_DMA_SPI3_TX1, | 1068 | omap2_mcspi_restore_ctx(mcspi); |
| 1124 | }; | ||
| 1125 | #endif | ||
| 1126 | 1069 | ||
| 1127 | #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) | 1070 | return 0; |
| 1128 | static u8 __initdata spi4_rxdma_id[] = { | 1071 | } |
| 1129 | OMAP34XX_DMA_SPI4_RX0, | ||
| 1130 | }; | ||
| 1131 | 1072 | ||
| 1132 | static u8 __initdata spi4_txdma_id[] = { | ||
| 1133 | OMAP34XX_DMA_SPI4_TX0, | ||
| 1134 | }; | ||
| 1135 | #endif | ||
| 1136 | 1073 | ||
| 1137 | static int __init omap2_mcspi_probe(struct platform_device *pdev) | 1074 | static int __init omap2_mcspi_probe(struct platform_device *pdev) |
| 1138 | { | 1075 | { |
| 1139 | struct spi_master *master; | 1076 | struct spi_master *master; |
| 1077 | struct omap2_mcspi_platform_config *pdata = pdev->dev.platform_data; | ||
| 1140 | struct omap2_mcspi *mcspi; | 1078 | struct omap2_mcspi *mcspi; |
| 1141 | struct resource *r; | 1079 | struct resource *r; |
| 1142 | int status = 0, i; | 1080 | int status = 0, i; |
| 1143 | const u8 *rxdma_id, *txdma_id; | ||
| 1144 | unsigned num_chipselect; | ||
| 1145 | |||
| 1146 | switch (pdev->id) { | ||
| 1147 | case 1: | ||
| 1148 | rxdma_id = spi1_rxdma_id; | ||
| 1149 | txdma_id = spi1_txdma_id; | ||
| 1150 | num_chipselect = 4; | ||
| 1151 | break; | ||
| 1152 | case 2: | ||
| 1153 | rxdma_id = spi2_rxdma_id; | ||
| 1154 | txdma_id = spi2_txdma_id; | ||
| 1155 | num_chipselect = 2; | ||
| 1156 | break; | ||
| 1157 | #if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_ARCH_OMAP3) \ | ||
| 1158 | || defined(CONFIG_ARCH_OMAP4) | ||
| 1159 | case 3: | ||
| 1160 | rxdma_id = spi3_rxdma_id; | ||
| 1161 | txdma_id = spi3_txdma_id; | ||
| 1162 | num_chipselect = 2; | ||
| 1163 | break; | ||
| 1164 | #endif | ||
| 1165 | #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4) | ||
| 1166 | case 4: | ||
| 1167 | rxdma_id = spi4_rxdma_id; | ||
| 1168 | txdma_id = spi4_txdma_id; | ||
| 1169 | num_chipselect = 1; | ||
| 1170 | break; | ||
| 1171 | #endif | ||
| 1172 | default: | ||
| 1173 | return -EINVAL; | ||
| 1174 | } | ||
| 1175 | 1081 | ||
| 1176 | master = spi_alloc_master(&pdev->dev, sizeof *mcspi); | 1082 | master = spi_alloc_master(&pdev->dev, sizeof *mcspi); |
| 1177 | if (master == NULL) { | 1083 | if (master == NULL) { |
| @@ -1188,7 +1094,7 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev) | |||
| 1188 | master->setup = omap2_mcspi_setup; | 1094 | master->setup = omap2_mcspi_setup; |
| 1189 | master->transfer = omap2_mcspi_transfer; | 1095 | master->transfer = omap2_mcspi_transfer; |
| 1190 | master->cleanup = omap2_mcspi_cleanup; | 1096 | master->cleanup = omap2_mcspi_cleanup; |
| 1191 | master->num_chipselect = num_chipselect; | 1097 | master->num_chipselect = pdata->num_cs; |
| 1192 | 1098 | ||
| 1193 | dev_set_drvdata(&pdev->dev, master); | 1099 | dev_set_drvdata(&pdev->dev, master); |
| 1194 | 1100 | ||
| @@ -1206,49 +1112,62 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev) | |||
| 1206 | goto err1; | 1112 | goto err1; |
| 1207 | } | 1113 | } |
| 1208 | 1114 | ||
| 1115 | r->start += pdata->regs_offset; | ||
| 1116 | r->end += pdata->regs_offset; | ||
| 1209 | mcspi->phys = r->start; | 1117 | mcspi->phys = r->start; |
| 1210 | mcspi->base = ioremap(r->start, r->end - r->start + 1); | 1118 | mcspi->base = ioremap(r->start, r->end - r->start + 1); |
| 1211 | if (!mcspi->base) { | 1119 | if (!mcspi->base) { |
| 1212 | dev_dbg(&pdev->dev, "can't ioremap MCSPI\n"); | 1120 | dev_dbg(&pdev->dev, "can't ioremap MCSPI\n"); |
| 1213 | status = -ENOMEM; | 1121 | status = -ENOMEM; |
| 1214 | goto err1aa; | 1122 | goto err2; |
| 1215 | } | 1123 | } |
| 1216 | 1124 | ||
| 1125 | mcspi->dev = &pdev->dev; | ||
| 1217 | INIT_WORK(&mcspi->work, omap2_mcspi_work); | 1126 | INIT_WORK(&mcspi->work, omap2_mcspi_work); |
| 1218 | 1127 | ||
| 1219 | spin_lock_init(&mcspi->lock); | 1128 | spin_lock_init(&mcspi->lock); |
| 1220 | INIT_LIST_HEAD(&mcspi->msg_queue); | 1129 | INIT_LIST_HEAD(&mcspi->msg_queue); |
| 1221 | INIT_LIST_HEAD(&omap2_mcspi_ctx[master->bus_num - 1].cs); | 1130 | INIT_LIST_HEAD(&omap2_mcspi_ctx[master->bus_num - 1].cs); |
| 1222 | 1131 | ||
| 1223 | mcspi->ick = clk_get(&pdev->dev, "ick"); | ||
| 1224 | if (IS_ERR(mcspi->ick)) { | ||
| 1225 | dev_dbg(&pdev->dev, "can't get mcspi_ick\n"); | ||
| 1226 | status = PTR_ERR(mcspi->ick); | ||
| 1227 | goto err1a; | ||
| 1228 | } | ||
| 1229 | mcspi->fck = clk_get(&pdev->dev, "fck"); | ||
| 1230 | if (IS_ERR(mcspi->fck)) { | ||
| 1231 | dev_dbg(&pdev->dev, "can't get mcspi_fck\n"); | ||
| 1232 | status = PTR_ERR(mcspi->fck); | ||
| 1233 | goto err2; | ||
| 1234 | } | ||
| 1235 | |||
| 1236 | mcspi->dma_channels = kcalloc(master->num_chipselect, | 1132 | mcspi->dma_channels = kcalloc(master->num_chipselect, |
| 1237 | sizeof(struct omap2_mcspi_dma), | 1133 | sizeof(struct omap2_mcspi_dma), |
| 1238 | GFP_KERNEL); | 1134 | GFP_KERNEL); |
| 1239 | 1135 | ||
| 1240 | if (mcspi->dma_channels == NULL) | 1136 | if (mcspi->dma_channels == NULL) |
| 1241 | goto err3; | 1137 | goto err2; |
| 1138 | |||
| 1139 | for (i = 0; i < master->num_chipselect; i++) { | ||
| 1140 | char dma_ch_name[14]; | ||
| 1141 | struct resource *dma_res; | ||
| 1142 | |||
| 1143 | sprintf(dma_ch_name, "rx%d", i); | ||
| 1144 | dma_res = platform_get_resource_byname(pdev, IORESOURCE_DMA, | ||
| 1145 | dma_ch_name); | ||
| 1146 | if (!dma_res) { | ||
| 1147 | dev_dbg(&pdev->dev, "cannot get DMA RX channel\n"); | ||
| 1148 | status = -ENODEV; | ||
| 1149 | break; | ||
| 1150 | } | ||
| 1242 | 1151 | ||
| 1243 | for (i = 0; i < num_chipselect; i++) { | ||
| 1244 | mcspi->dma_channels[i].dma_rx_channel = -1; | 1152 | mcspi->dma_channels[i].dma_rx_channel = -1; |
| 1245 | mcspi->dma_channels[i].dma_rx_sync_dev = rxdma_id[i]; | 1153 | mcspi->dma_channels[i].dma_rx_sync_dev = dma_res->start; |
| 1154 | sprintf(dma_ch_name, "tx%d", i); | ||
| 1155 | dma_res = platform_get_resource_byname(pdev, IORESOURCE_DMA, | ||
| 1156 | dma_ch_name); | ||
| 1157 | if (!dma_res) { | ||
| 1158 | dev_dbg(&pdev->dev, "cannot get DMA TX channel\n"); | ||
| 1159 | status = -ENODEV; | ||
| 1160 | break; | ||
| 1161 | } | ||
| 1162 | |||
| 1246 | mcspi->dma_channels[i].dma_tx_channel = -1; | 1163 | mcspi->dma_channels[i].dma_tx_channel = -1; |
| 1247 | mcspi->dma_channels[i].dma_tx_sync_dev = txdma_id[i]; | 1164 | mcspi->dma_channels[i].dma_tx_sync_dev = dma_res->start; |
| 1248 | } | 1165 | } |
| 1249 | 1166 | ||
| 1250 | if (omap2_mcspi_reset(mcspi) < 0) | 1167 | pm_runtime_enable(&pdev->dev); |
| 1251 | goto err4; | 1168 | |
| 1169 | if (status || omap2_mcspi_master_setup(mcspi) < 0) | ||
| 1170 | goto err3; | ||
| 1252 | 1171 | ||
| 1253 | status = spi_register_master(master); | 1172 | status = spi_register_master(master); |
| 1254 | if (status < 0) | 1173 | if (status < 0) |
| @@ -1257,17 +1176,13 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev) | |||
| 1257 | return status; | 1176 | return status; |
| 1258 | 1177 | ||
| 1259 | err4: | 1178 | err4: |
| 1260 | kfree(mcspi->dma_channels); | 1179 | spi_master_put(master); |
| 1261 | err3: | 1180 | err3: |
| 1262 | clk_put(mcspi->fck); | 1181 | kfree(mcspi->dma_channels); |
| 1263 | err2: | 1182 | err2: |
| 1264 | clk_put(mcspi->ick); | ||
| 1265 | err1a: | ||
| 1266 | iounmap(mcspi->base); | ||
| 1267 | err1aa: | ||
| 1268 | release_mem_region(r->start, (r->end - r->start) + 1); | 1183 | release_mem_region(r->start, (r->end - r->start) + 1); |
| 1184 | iounmap(mcspi->base); | ||
| 1269 | err1: | 1185 | err1: |
| 1270 | spi_master_put(master); | ||
| 1271 | return status; | 1186 | return status; |
| 1272 | } | 1187 | } |
| 1273 | 1188 | ||
| @@ -1283,9 +1198,7 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev) | |||
| 1283 | mcspi = spi_master_get_devdata(master); | 1198 | mcspi = spi_master_get_devdata(master); |
| 1284 | dma_channels = mcspi->dma_channels; | 1199 | dma_channels = mcspi->dma_channels; |
| 1285 | 1200 | ||
| 1286 | clk_put(mcspi->fck); | 1201 | omap2_mcspi_disable_clocks(mcspi); |
| 1287 | clk_put(mcspi->ick); | ||
| 1288 | |||
| 1289 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); | 1202 | r = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 1290 | release_mem_region(r->start, (r->end - r->start) + 1); | 1203 | release_mem_region(r->start, (r->end - r->start) + 1); |
| 1291 | 1204 | ||
| @@ -1336,6 +1249,7 @@ static int omap2_mcspi_resume(struct device *dev) | |||
| 1336 | 1249 | ||
| 1337 | static const struct dev_pm_ops omap2_mcspi_pm_ops = { | 1250 | static const struct dev_pm_ops omap2_mcspi_pm_ops = { |
| 1338 | .resume = omap2_mcspi_resume, | 1251 | .resume = omap2_mcspi_resume, |
| 1252 | .runtime_resume = omap_mcspi_runtime_resume, | ||
| 1339 | }; | 1253 | }; |
| 1340 | 1254 | ||
| 1341 | static struct platform_driver omap2_mcspi_driver = { | 1255 | static struct platform_driver omap2_mcspi_driver = { |
