arch/arm/mach-ux500/devices-db8500.c

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2010
   3  *
   4  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
   5  * License terms: GNU General Public License (GPL) version 2
   6  */
   7
   8 #include <linux/kernel.h>
   9 #include <linux/platform_device.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/io.h>
  12 #include <linux/gpio.h>
  13 #include <linux/amba/bus.h>
  14
  15 #include <plat/ste_dma40.h>
  16
  17 #include <mach/hardware.h>
  18 #include <mach/setup.h>
  19
  20 #include "ste-dma40-db8500.h"
  21
  22 static struct nmk_gpio_platform_data u8500_gpio_data[] = {
  23         GPIO_DATA("GPIO-0-31", 0),
  24         GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
  25         GPIO_DATA("GPIO-64-95", 64),
  26         GPIO_DATA("GPIO-96-127", 96), /* 98..127 not routed to pin */
  27         GPIO_DATA("GPIO-128-159", 128),
  28         GPIO_DATA("GPIO-160-191", 160), /* 172..191 not routed to pin */
  29         GPIO_DATA("GPIO-192-223", 192),
  30         GPIO_DATA("GPIO-224-255", 224), /* 231..255 not routed to pin */
  31         GPIO_DATA("GPIO-256-288", 256), /* 268..288 not routed to pin */
  32 };
  33
  34 static struct resource u8500_gpio_resources[] = {
  35         GPIO_RESOURCE(0),
  36         GPIO_RESOURCE(1),
  37         GPIO_RESOURCE(2),
  38         GPIO_RESOURCE(3),
  39         GPIO_RESOURCE(4),
  40         GPIO_RESOURCE(5),
  41         GPIO_RESOURCE(6),
  42         GPIO_RESOURCE(7),
  43         GPIO_RESOURCE(8),
  44 };
  45
  46 struct platform_device u8500_gpio_devs[] = {
  47         GPIO_DEVICE(0),
  48         GPIO_DEVICE(1),
  49         GPIO_DEVICE(2),
  50         GPIO_DEVICE(3),
  51         GPIO_DEVICE(4),
  52         GPIO_DEVICE(5),
  53         GPIO_DEVICE(6),
  54         GPIO_DEVICE(7),
  55         GPIO_DEVICE(8),
  56 };
  57
  58 struct amba_device u8500_ssp0_device = {
  59         .dev = {
  60                 .coherent_dma_mask = ~0,
  61                 .init_name = "ssp0",
  62         },
  63         .res = {
  64                 .start = U8500_SSP0_BASE,
  65                 .end   = U8500_SSP0_BASE + SZ_4K - 1,
  66                 .flags = IORESOURCE_MEM,
  67         },
  68         .irq = {IRQ_DB8500_SSP0, NO_IRQ },
  69         /* ST-Ericsson modified id */
  70         .periphid = SSP_PER_ID,
  71 };
  72
  73 static struct resource u8500_i2c0_resources[] = {
  74         [0] = {
  75                 .start  = U8500_I2C0_BASE,
  76                 .end    = U8500_I2C0_BASE + SZ_4K - 1,
  77                 .flags  = IORESOURCE_MEM,
  78         },
  79         [1] = {
  80                 .start  = IRQ_DB8500_I2C0,
  81                 .end    = IRQ_DB8500_I2C0,
  82                 .flags  = IORESOURCE_IRQ,
  83         }
  84 };
  85
  86 struct platform_device u8500_i2c0_device = {
  87         .name           = "nmk-i2c",
  88         .id             = 0,
  89         .resource       = u8500_i2c0_resources,
  90         .num_resources  = ARRAY_SIZE(u8500_i2c0_resources),
  91 };
  92
  93 static struct resource u8500_i2c4_resources[] = {
  94         [0] = {
  95                 .start  = U8500_I2C4_BASE,
  96                 .end    = U8500_I2C4_BASE + SZ_4K - 1,
  97                 .flags  = IORESOURCE_MEM,
  98         },
  99         [1] = {
 100                 .start  = IRQ_DB8500_I2C4,
 101                 .end    = IRQ_DB8500_I2C4,
 102                 .flags  = IORESOURCE_IRQ,
 103         }
 104 };
 105
 106 struct platform_device u8500_i2c4_device = {
 107         .name           = "nmk-i2c",
 108         .id             = 4,
 109         .resource       = u8500_i2c4_resources,
 110         .num_resources  = ARRAY_SIZE(u8500_i2c4_resources),
 111 };
 112
 113 /*
 114  * SD/MMC
 115  */
 116
 117 struct amba_device u8500_sdi0_device = {
 118         .dev            = {
 119                 .init_name = "sdi0",
 120         },
 121         .res            = {
 122                 .start  = U8500_SDI0_BASE,
 123                 .end    = U8500_SDI0_BASE + SZ_4K - 1,
 124                 .flags  = IORESOURCE_MEM,
 125         },
 126         .irq            = {IRQ_DB8500_SDMMC0, NO_IRQ},
 127 };
 128
 129 struct amba_device u8500_sdi1_device = {
 130         .dev            = {
 131                 .init_name = "sdi1",
 132         },
 133         .res            = {
 134                 .start  = U8500_SDI1_BASE,
 135                 .end    = U8500_SDI1_BASE + SZ_4K - 1,
 136                 .flags  = IORESOURCE_MEM,
 137         },
 138         .irq            = {IRQ_DB8500_SDMMC1, NO_IRQ},
 139 };
 140
 141 struct amba_device u8500_sdi2_device = {
 142         .dev            = {
 143                 .init_name = "sdi2",
 144         },
 145         .res            = {
 146                 .start  = U8500_SDI2_BASE,
 147                 .end    = U8500_SDI2_BASE + SZ_4K - 1,
 148                 .flags  = IORESOURCE_MEM,
 149         },
 150         .irq            = {IRQ_DB8500_SDMMC2, NO_IRQ},
 151 };
 152
 153 struct amba_device u8500_sdi3_device = {
 154         .dev            = {
 155                 .init_name = "sdi3",
 156         },
 157         .res            = {
 158                 .start  = U8500_SDI3_BASE,
 159                 .end    = U8500_SDI3_BASE + SZ_4K - 1,
 160                 .flags  = IORESOURCE_MEM,
 161         },
 162         .irq            = {IRQ_DB8500_SDMMC3, NO_IRQ},
 163 };
 164
 165 struct amba_device u8500_sdi4_device = {
 166         .dev            = {
 167                 .init_name = "sdi4",
 168         },
 169         .res            = {
 170                 .start  = U8500_SDI4_BASE,
 171                 .end    = U8500_SDI4_BASE + SZ_4K - 1,
 172                 .flags  = IORESOURCE_MEM,
 173         },
 174         .irq            = {IRQ_DB8500_SDMMC4, NO_IRQ},
 175 };
 176
 177 struct amba_device u8500_sdi5_device = {
 178         .dev            = {
 179                 .init_name = "sdi5",
 180         },
 181         .res            = {
 182                 .start  = U8500_SDI5_BASE,
 183                 .end    = U8500_SDI5_BASE + SZ_4K - 1,
 184                 .flags  = IORESOURCE_MEM,
 185         },
 186         .irq            = {IRQ_DB8500_SDMMC5, NO_IRQ},
 187 };
 188
 189 static struct resource dma40_resources[] = {
 190         [0] = {
 191                 .start = U8500_DMA_BASE,
 192                 .end   = U8500_DMA_BASE + SZ_4K - 1,
 193                 .flags = IORESOURCE_MEM,
 194                 .name  = "base",
 195         },
 196         [1] = {
 197                 .start = U8500_DMA_LCPA_BASE,
 198                 .end   = U8500_DMA_LCPA_BASE + 2 * SZ_1K - 1,
 199                 .flags = IORESOURCE_MEM,
 200                 .name  = "lcpa",
 201         },
 202         [2] = {
 203                 .start = IRQ_DB8500_DMA,
 204                 .end   = IRQ_DB8500_DMA,
 205                 .flags = IORESOURCE_IRQ,
 206         }
 207 };
 208
 209 /* Default configuration for physcial memcpy */
 210 struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
 211         .channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE |
 212                          STEDMA40_LOW_PRIORITY_CHANNEL |
 213                          STEDMA40_PCHAN_BASIC_MODE),
 214         .dir = STEDMA40_MEM_TO_MEM,
 215
 216         .src_info.endianess = STEDMA40_LITTLE_ENDIAN,
 217         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 218         .src_info.psize = STEDMA40_PSIZE_PHY_1,
 219         .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 220
 221         .dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
 222         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 223         .dst_info.psize = STEDMA40_PSIZE_PHY_1,
 224         .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 225 };
 226 /* Default configuration for logical memcpy */
 227 struct stedma40_chan_cfg dma40_memcpy_conf_log = {
 228         .channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE |
 229                          STEDMA40_LOW_PRIORITY_CHANNEL |
 230                          STEDMA40_LCHAN_SRC_LOG_DST_LOG |
 231                          STEDMA40_NO_TIM_FOR_LINK),
 232         .dir = STEDMA40_MEM_TO_MEM,
 233
 234         .src_info.endianess = STEDMA40_LITTLE_ENDIAN,
 235         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 236         .src_info.psize = STEDMA40_PSIZE_LOG_1,
 237         .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 238
 239         .dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
 240         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 241         .dst_info.psize = STEDMA40_PSIZE_LOG_1,
 242         .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 243 };
 244
 245 /*
 246  * Mapping between destination event lines and physical device address.
 247  * The event line is tied to a device and therefor the address is constant.
 248  */
 249 static const dma_addr_t dma40_tx_map[DB8500_DMA_NR_DEV];
 250
 251 /* Mapping between source event lines and physical device address */
 252 static const dma_addr_t dma40_rx_map[DB8500_DMA_NR_DEV];
 253
 254 /* Reserved event lines for memcpy only */
 255 static int dma40_memcpy_event[] = {
 256         DB8500_DMA_MEMCPY_TX_0,
 257         DB8500_DMA_MEMCPY_TX_1,
 258         DB8500_DMA_MEMCPY_TX_2,
 259         DB8500_DMA_MEMCPY_TX_3,
 260         DB8500_DMA_MEMCPY_TX_4,
 261         DB8500_DMA_MEMCPY_TX_5,
 262 };
 263
 264 static struct stedma40_platform_data dma40_plat_data = {
 265         .dev_len = DB8500_DMA_NR_DEV,
 266         .dev_rx = dma40_rx_map,
 267         .dev_tx = dma40_tx_map,
 268         .memcpy = dma40_memcpy_event,
 269         .memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
 270         .memcpy_conf_phy = &dma40_memcpy_conf_phy,
 271         .memcpy_conf_log = &dma40_memcpy_conf_log,
 272         .llis_per_log = 8,
 273         .disabled_channels = {-1},
 274 };
 275
 276 struct platform_device u8500_dma40_device = {
 277         .dev = {
 278                 .platform_data = &dma40_plat_data,
 279         },
 280         .name = "dma40",
 281         .id = 0,
 282         .num_resources = ARRAY_SIZE(dma40_resources),
 283         .resource = dma40_resources
 284 };
 285
 286 void dma40_u8500ed_fixup(void)
 287 {
 288         dma40_plat_data.memcpy = NULL;
 289         dma40_plat_data.memcpy_len = 0;
 290         dma40_resources[0].start = U8500_DMA_BASE_ED;
 291         dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1;
 292         dma40_resources[1].start = U8500_DMA_LCPA_BASE_ED;
 293         dma40_resources[1].end = U8500_DMA_LCPA_BASE_ED + 2 * SZ_1K - 1;
 294 }
 295
 296 struct resource keypad_resources[] = {
 297         [0] = {
 298                 .start = U8500_SKE_BASE,
 299                 .end = U8500_SKE_BASE + SZ_4K - 1,
 300                 .flags = IORESOURCE_MEM,
 301         },
 302         [1] = {
 303                 .start = IRQ_DB8500_KB,
 304                 .end = IRQ_DB8500_KB,
 305                 .flags = IORESOURCE_IRQ,
 306         },
 307 };
 308
 309 struct platform_device ux500_ske_keypad_device = {
 310         .name = "nmk-ske-keypad",
 311         .id = -1,
 312         .num_resources = ARRAY_SIZE(keypad_resources),
 313         .resource = keypad_resources,
 314 };