arch/arm/mach-mmp/ttc_dkb.c

   1 /*
   2  *  linux/arch/arm/mach-mmp/ttc_dkb.c
   3  *
   4  *  Support for the Marvell PXA910-based TTC_DKB Development Platform.
   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 version 2 as
   8  *  publishhed by the Free Software Foundation.
   9  */
  10
  11 #include <linux/init.h>
  12 #include <linux/kernel.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/mtd/mtd.h>
  15 #include <linux/mtd/partitions.h>
  16 #include <linux/mtd/onenand.h>
  17 #include <linux/interrupt.h>
  18 #include <linux/i2c/pca953x.h>
  19 #include <linux/gpio.h>
  20 #include <linux/mfd/88pm860x.h>
  21 #include <linux/platform_data/mv_usb.h>
  22 #include <linux/spi/spi.h>
  23 #include <linux/delay.h>
  24
  25 #include <asm/mach-types.h>
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/flash.h>
  28 #include <mach/addr-map.h>
  29 #include <mach/mfp-pxa910.h>
  30 #include <mach/pxa910.h>
  31 #include <mach/irqs.h>
  32 #include <mach/regs-usb.h>
  33
  34 #include "common.h"
  35
  36 #define TTCDKB_GPIO_EXT0(x)     (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :   \
  37                                 ((x < 16) ? x : 15)))
  38 #define TTCDKB_GPIO_EXT1(x)     (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
  39                                 ((x < 16) ? x : 15)))
  40
  41 /*
  42  * 16 board interrupts -- MAX7312 GPIO expander
  43  * 16 board interrupts -- PCA9575 GPIO expander
  44  * 24 board interrupts -- 88PM860x PMIC
  45  */
  46 #define TTCDKB_NR_IRQS          (MMP_NR_IRQS + 16 + 16 + 24)
  47
  48 static unsigned long ttc_dkb_pin_config[] __initdata = {
  49         /* UART2 */
  50         GPIO47_UART2_RXD,
  51         GPIO48_UART2_TXD,
  52
  53         /* DFI */
  54         DF_IO0_ND_IO0,
  55         DF_IO1_ND_IO1,
  56         DF_IO2_ND_IO2,
  57         DF_IO3_ND_IO3,
  58         DF_IO4_ND_IO4,
  59         DF_IO5_ND_IO5,
  60         DF_IO6_ND_IO6,
  61         DF_IO7_ND_IO7,
  62         DF_IO8_ND_IO8,
  63         DF_IO9_ND_IO9,
  64         DF_IO10_ND_IO10,
  65         DF_IO11_ND_IO11,
  66         DF_IO12_ND_IO12,
  67         DF_IO13_ND_IO13,
  68         DF_IO14_ND_IO14,
  69         DF_IO15_ND_IO15,
  70         DF_nCS0_SM_nCS2_nCS0,
  71         DF_ALE_SM_WEn_ND_ALE,
  72         DF_CLE_SM_OEn_ND_CLE,
  73         DF_WEn_DF_WEn,
  74         DF_REn_DF_REn,
  75         DF_RDY0_DF_RDY0,
  76 };
  77
  78 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
  79         {
  80                 .name           = "bootloader",
  81                 .offset         = 0,
  82                 .size           = SZ_1M,
  83                 .mask_flags     = MTD_WRITEABLE,
  84         }, {
  85                 .name           = "reserved",
  86                 .offset         = MTDPART_OFS_APPEND,
  87                 .size           = SZ_128K,
  88                 .mask_flags     = MTD_WRITEABLE,
  89         }, {
  90                 .name           = "reserved",
  91                 .offset         = MTDPART_OFS_APPEND,
  92                 .size           = SZ_8M,
  93                 .mask_flags     = MTD_WRITEABLE,
  94         }, {
  95                 .name           = "kernel",
  96                 .offset         = MTDPART_OFS_APPEND,
  97                 .size           = (SZ_2M + SZ_1M),
  98                 .mask_flags     = 0,
  99         }, {
 100                 .name           = "filesystem",
 101                 .offset         = MTDPART_OFS_APPEND,
 102                 .size           = SZ_32M + SZ_16M,
 103                 .mask_flags     = 0,
 104         }
 105 };
 106
 107 static struct onenand_platform_data ttc_dkb_onenand_info = {
 108         .parts          = ttc_dkb_onenand_partitions,
 109         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
 110 };
 111
 112 static struct resource ttc_dkb_resource_onenand[] = {
 113         [0] = {
 114                 .start  = SMC_CS0_PHYS_BASE,
 115                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
 116                 .flags  = IORESOURCE_MEM,
 117         },
 118 };
 119
 120 static struct platform_device ttc_dkb_device_onenand = {
 121         .name           = "onenand-flash",
 122         .id             = -1,
 123         .resource       = ttc_dkb_resource_onenand,
 124         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
 125         .dev            = {
 126                 .platform_data  = &ttc_dkb_onenand_info,
 127         },
 128 };
 129
 130 static struct platform_device *ttc_dkb_devices[] = {
 131         &pxa910_device_gpio,
 132         &pxa910_device_rtc,
 133         &ttc_dkb_device_onenand,
 134 };
 135
 136 static struct pca953x_platform_data max7312_data[] = {
 137         {
 138                 .gpio_base      = TTCDKB_GPIO_EXT0(0),
 139                 .irq_base       = MMP_NR_IRQS,
 140         },
 141 };
 142
 143 static struct pm860x_platform_data ttc_dkb_pm8607_info = {
 144         .irq_base       = IRQ_BOARD_START,
 145 };
 146
 147 static struct i2c_board_info ttc_dkb_i2c_info[] = {
 148         {
 149                 .type           = "88PM860x",
 150                 .addr           = 0x34,
 151                 .platform_data  = &ttc_dkb_pm8607_info,
 152                 .irq            = IRQ_PXA910_PMIC_INT,
 153         },
 154         {
 155                 .type           = "max7312",
 156                 .addr           = 0x23,
 157                 .irq            = MMP_GPIO_TO_IRQ(80),
 158                 .platform_data  = &max7312_data,
 159         },
 160 };
 161
 162 #ifdef CONFIG_USB_SUPPORT
 163 #if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV_U2O)
 164
 165 static char *pxa910_usb_clock_name[] = {
 166         [0] = "U2OCLK",
 167 };
 168
 169 static struct mv_usb_platform_data ttc_usb_pdata = {
 170         .clknum         = 1,
 171         .clkname        = pxa910_usb_clock_name,
 172         .vbus           = NULL,
 173         .mode           = MV_USB_MODE_OTG,
 174         .otg_force_a_bus_req = 1,
 175         .phy_init       = pxa_usb_phy_init,
 176         .phy_deinit     = pxa_usb_phy_deinit,
 177         .set_vbus       = NULL,
 178 };
 179 #endif
 180 #endif
 181
 182 #ifdef CONFIG_MTD_NAND_PXA3xx
 183 static struct pxa3xx_nand_platform_data dkb_nand_info = {
 184         .enable_arbiter = 1,
 185         .num_cs = 1,
 186 };
 187 #endif
 188
 189 #ifdef CONFIG_MMP_DISP
 190 /* path config */
 191 #define CFG_IOPADMODE(iopad)   (iopad)  /* 0x0 ~ 0xd */
 192 #define SCLK_SOURCE_SELECT(x)  (x << 30) /* 0x0 ~ 0x3 */
 193 /* link config */
 194 #define CFG_DUMBMODE(mode)     (mode << 28) /* 0x0 ~ 0x6*/
 195 #define CFG_GRA_SWAPRB(x)      (x << 0) /* 1: rbswap enabled */
 196 static struct mmp_mach_path_config dkb_disp_config[] = {
 197         [0] = {
 198                 .name = "mmp-parallel",
 199                 .overlay_num = 2,
 200                 .output_type = PATH_OUT_PARALLEL,
 201                 .path_config = CFG_IOPADMODE(0x1)
 202                         | SCLK_SOURCE_SELECT(0x1),
 203                 .link_config = CFG_DUMBMODE(0x2)
 204                         | CFG_GRA_SWAPRB(0x1),
 205         },
 206 };
 207
 208 static struct mmp_mach_plat_info dkb_disp_info = {
 209         .name = "mmp-disp",
 210         .clk_name = "disp0",
 211         .path_num = 1,
 212         .paths = dkb_disp_config,
 213 };
 214
 215 static struct mmp_buffer_driver_mach_info dkb_fb_info = {
 216         .name = "mmp-fb",
 217         .path_name = "mmp-parallel",
 218         .overlay_id = 0,
 219         .dmafetch_id = 1,
 220         .default_pixfmt = PIXFMT_RGB565,
 221 };
 222
 223 static void dkb_tpo_panel_power(int on)
 224 {
 225         int err;
 226         u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
 227
 228         if (on) {
 229                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
 230                 if (err) {
 231                         pr_err("failed to request GPIO for TPO LCD RESET\n");
 232                         return;
 233                 }
 234                 gpio_direction_output(spi_reset, 0);
 235                 udelay(100);
 236                 gpio_set_value(spi_reset, 1);
 237                 gpio_free(spi_reset);
 238         } else {
 239                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
 240                 if (err) {
 241                         pr_err("failed to request LCD RESET gpio\n");
 242                         return;
 243                 }
 244                 gpio_set_value(spi_reset, 0);
 245                 gpio_free(spi_reset);
 246         }
 247 }
 248
 249 static struct mmp_mach_panel_info dkb_tpo_panel_info = {
 250         .name = "tpo-hvga",
 251         .plat_path_name = "mmp-parallel",
 252         .plat_set_onoff = dkb_tpo_panel_power,
 253 };
 254
 255 static struct spi_board_info spi_board_info[] __initdata = {
 256         {
 257                 .modalias       = "tpo-hvga",
 258                 .platform_data  = &dkb_tpo_panel_info,
 259                 .bus_num        = 5,
 260         }
 261 };
 262
 263 static void __init add_disp(void)
 264 {
 265         pxa_register_device(&pxa910_device_disp,
 266                 &dkb_disp_info, sizeof(dkb_disp_info));
 267         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 268         pxa_register_device(&pxa910_device_fb,
 269                 &dkb_fb_info, sizeof(dkb_fb_info));
 270         pxa_register_device(&pxa910_device_panel,
 271                 &dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
 272 }
 273 #endif
 274
 275 static void __init ttc_dkb_init(void)
 276 {
 277         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
 278
 279         /* on-chip devices */
 280         pxa910_add_uart(1);
 281 #ifdef CONFIG_MTD_NAND_PXA3xx
 282         pxa910_add_nand(&dkb_nand_info);
 283 #endif
 284
 285         /* off-chip devices */
 286         pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
 287         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
 288
 289 #ifdef CONFIG_USB_MV_UDC
 290         pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
 291         platform_device_register(&pxa168_device_u2o);
 292 #endif
 293
 294 #ifdef CONFIG_USB_EHCI_MV_U2O
 295         pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
 296         platform_device_register(&pxa168_device_u2oehci);
 297 #endif
 298
 299 #ifdef CONFIG_USB_MV_OTG
 300         pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
 301         platform_device_register(&pxa168_device_u2ootg);
 302 #endif
 303
 304 #ifdef CONFIG_MMP_DISP
 305         add_disp();
 306 #endif
 307 }
 308
 309 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
 310         .map_io         = mmp_map_io,
 311         .nr_irqs        = TTCDKB_NR_IRQS,
 312         .init_irq       = pxa910_init_irq,
 313         .timer          = &pxa910_timer,
 314         .init_machine   = ttc_dkb_init,
 315         .restart        = mmp_restart,
 316 MACHINE_END