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/platform_data/pca953x.h>
  19 #include <linux/gpio.h>
  20 #include <linux/gpio-pxa.h>
  21 #include <linux/mfd/88pm860x.h>
  22 #include <linux/platform_data/mv_usb.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/delay.h>
  25
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/flash.h>
  29 #include "addr-map.h"
  30 #include "mfp-pxa910.h"
  31 #include "pxa910.h"
  32 #include "irqs.h"
  33 #include "regs-usb.h"
  34
  35 #include "common.h"
  36
  37 #define TTCDKB_GPIO_EXT0(x)     (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :   \
  38                                 ((x < 16) ? x : 15)))
  39 #define TTCDKB_GPIO_EXT1(x)     (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
  40                                 ((x < 16) ? x : 15)))
  41
  42 /*
  43  * 16 board interrupts -- MAX7312 GPIO expander
  44  * 16 board interrupts -- PCA9575 GPIO expander
  45  * 24 board interrupts -- 88PM860x PMIC
  46  */
  47 #define TTCDKB_NR_IRQS          (MMP_NR_IRQS + 16 + 16 + 24)
  48
  49 static unsigned long ttc_dkb_pin_config[] __initdata = {
  50         /* UART2 */
  51         GPIO47_UART2_RXD,
  52         GPIO48_UART2_TXD,
  53
  54         /* DFI */
  55         DF_IO0_ND_IO0,
  56         DF_IO1_ND_IO1,
  57         DF_IO2_ND_IO2,
  58         DF_IO3_ND_IO3,
  59         DF_IO4_ND_IO4,
  60         DF_IO5_ND_IO5,
  61         DF_IO6_ND_IO6,
  62         DF_IO7_ND_IO7,
  63         DF_IO8_ND_IO8,
  64         DF_IO9_ND_IO9,
  65         DF_IO10_ND_IO10,
  66         DF_IO11_ND_IO11,
  67         DF_IO12_ND_IO12,
  68         DF_IO13_ND_IO13,
  69         DF_IO14_ND_IO14,
  70         DF_IO15_ND_IO15,
  71         DF_nCS0_SM_nCS2_nCS0,
  72         DF_ALE_SM_WEn_ND_ALE,
  73         DF_CLE_SM_OEn_ND_CLE,
  74         DF_WEn_DF_WEn,
  75         DF_REn_DF_REn,
  76         DF_RDY0_DF_RDY0,
  77 };
  78
  79 static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
  80         .irq_base       = MMP_GPIO_TO_IRQ(0),
  81 };
  82
  83 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
  84         {
  85                 .name           = "bootloader",
  86                 .offset         = 0,
  87                 .size           = SZ_1M,
  88                 .mask_flags     = MTD_WRITEABLE,
  89         }, {
  90                 .name           = "reserved",
  91                 .offset         = MTDPART_OFS_APPEND,
  92                 .size           = SZ_128K,
  93                 .mask_flags     = MTD_WRITEABLE,
  94         }, {
  95                 .name           = "reserved",
  96                 .offset         = MTDPART_OFS_APPEND,
  97                 .size           = SZ_8M,
  98                 .mask_flags     = MTD_WRITEABLE,
  99         }, {
 100                 .name           = "kernel",
 101                 .offset         = MTDPART_OFS_APPEND,
 102                 .size           = (SZ_2M + SZ_1M),
 103                 .mask_flags     = 0,
 104         }, {
 105                 .name           = "filesystem",
 106                 .offset         = MTDPART_OFS_APPEND,
 107                 .size           = SZ_32M + SZ_16M,
 108                 .mask_flags     = 0,
 109         }
 110 };
 111
 112 static struct onenand_platform_data ttc_dkb_onenand_info = {
 113         .parts          = ttc_dkb_onenand_partitions,
 114         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
 115 };
 116
 117 static struct resource ttc_dkb_resource_onenand[] = {
 118         [0] = {
 119                 .start  = SMC_CS0_PHYS_BASE,
 120                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
 121                 .flags  = IORESOURCE_MEM,
 122         },
 123 };
 124
 125 static struct platform_device ttc_dkb_device_onenand = {
 126         .name           = "onenand-flash",
 127         .id             = -1,
 128         .resource       = ttc_dkb_resource_onenand,
 129         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
 130         .dev            = {
 131                 .platform_data  = &ttc_dkb_onenand_info,
 132         },
 133 };
 134
 135 static struct platform_device *ttc_dkb_devices[] = {
 136         &pxa910_device_gpio,
 137         &pxa910_device_rtc,
 138         &ttc_dkb_device_onenand,
 139 };
 140
 141 static struct pca953x_platform_data max7312_data[] = {
 142         {
 143                 .gpio_base      = TTCDKB_GPIO_EXT0(0),
 144                 .irq_base       = MMP_NR_IRQS,
 145         },
 146 };
 147
 148 static struct pm860x_platform_data ttc_dkb_pm8607_info = {
 149         .irq_base       = IRQ_BOARD_START,
 150 };
 151
 152 static struct i2c_board_info ttc_dkb_i2c_info[] = {
 153         {
 154                 .type           = "88PM860x",
 155                 .addr           = 0x34,
 156                 .platform_data  = &ttc_dkb_pm8607_info,
 157                 .irq            = IRQ_PXA910_PMIC_INT,
 158         },
 159         {
 160                 .type           = "max7312",
 161                 .addr           = 0x23,
 162                 .irq            = MMP_GPIO_TO_IRQ(80),
 163                 .platform_data  = &max7312_data,
 164         },
 165 };
 166
 167 #if IS_ENABLED(CONFIG_USB_SUPPORT)
 168 #if IS_ENABLED(CONFIG_USB_MV_UDC) || IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
 169
 170 static struct mv_usb_platform_data ttc_usb_pdata = {
 171         .vbus           = NULL,
 172         .mode           = MV_USB_MODE_OTG,
 173         .otg_force_a_bus_req = 1,
 174         .phy_init       = pxa_usb_phy_init,
 175         .phy_deinit     = pxa_usb_phy_deinit,
 176         .set_vbus       = NULL,
 177 };
 178 #endif
 179 #endif
 180
 181 #if IS_ENABLED(CONFIG_MTD_NAND_PXA3xx)
 182 static struct pxa3xx_nand_platform_data dkb_nand_info = {
 183         .enable_arbiter = 1,
 184         .num_cs = 1,
 185 };
 186 #endif
 187
 188 #if IS_ENABLED(CONFIG_MMP_DISP)
 189 /* path config */
 190 #define CFG_IOPADMODE(iopad)   (iopad)  /* 0x0 ~ 0xd */
 191 #define SCLK_SOURCE_SELECT(x)  (x << 30) /* 0x0 ~ 0x3 */
 192 /* link config */
 193 #define CFG_DUMBMODE(mode)     (mode << 28) /* 0x0 ~ 0x6*/
 194 static struct mmp_mach_path_config dkb_disp_config[] = {
 195         [0] = {
 196                 .name = "mmp-parallel",
 197                 .overlay_num = 2,
 198                 .output_type = PATH_OUT_PARALLEL,
 199                 .path_config = CFG_IOPADMODE(0x1)
 200                         | SCLK_SOURCE_SELECT(0x1),
 201                 .link_config = CFG_DUMBMODE(0x2),
 202         },
 203 };
 204
 205 static struct mmp_mach_plat_info dkb_disp_info = {
 206         .name = "mmp-disp",
 207         .clk_name = "disp0",
 208         .path_num = 1,
 209         .paths = dkb_disp_config,
 210 };
 211
 212 static struct mmp_buffer_driver_mach_info dkb_fb_info = {
 213         .name = "mmp-fb",
 214         .path_name = "mmp-parallel",
 215         .overlay_id = 0,
 216         .dmafetch_id = 1,
 217         .default_pixfmt = PIXFMT_RGB565,
 218 };
 219
 220 static void dkb_tpo_panel_power(int on)
 221 {
 222         int err;
 223         u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
 224
 225         if (on) {
 226                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
 227                 if (err) {
 228                         pr_err("failed to request GPIO for TPO LCD RESET\n");
 229                         return;
 230                 }
 231                 gpio_direction_output(spi_reset, 0);
 232                 udelay(100);
 233                 gpio_set_value(spi_reset, 1);
 234                 gpio_free(spi_reset);
 235         } else {
 236                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
 237                 if (err) {
 238                         pr_err("failed to request LCD RESET gpio\n");
 239                         return;
 240                 }
 241                 gpio_set_value(spi_reset, 0);
 242                 gpio_free(spi_reset);
 243         }
 244 }
 245
 246 static struct mmp_mach_panel_info dkb_tpo_panel_info = {
 247         .name = "tpo-hvga",
 248         .plat_path_name = "mmp-parallel",
 249         .plat_set_onoff = dkb_tpo_panel_power,
 250 };
 251
 252 static struct spi_board_info spi_board_info[] __initdata = {
 253         {
 254                 .modalias       = "tpo-hvga",
 255                 .platform_data  = &dkb_tpo_panel_info,
 256                 .bus_num        = 5,
 257         }
 258 };
 259
 260 static void __init add_disp(void)
 261 {
 262         pxa_register_device(&pxa910_device_disp,
 263                 &dkb_disp_info, sizeof(dkb_disp_info));
 264         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
 265         pxa_register_device(&pxa910_device_fb,
 266                 &dkb_fb_info, sizeof(dkb_fb_info));
 267         pxa_register_device(&pxa910_device_panel,
 268                 &dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
 269 }
 270 #endif
 271
 272 static void __init ttc_dkb_init(void)
 273 {
 274         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
 275
 276         /* on-chip devices */
 277         pxa910_add_uart(1);
 278 #if IS_ENABLED(CONFIG_MTD_NAND_PXA3xx)
 279         pxa910_add_nand(&dkb_nand_info);
 280 #endif
 281
 282         /* off-chip devices */
 283         pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
 284         platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
 285                                  sizeof(struct pxa_gpio_platform_data));
 286         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
 287
 288 #if IS_ENABLED(CONFIG_USB_MV_UDC)
 289         pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
 290         platform_device_register(&pxa168_device_u2o);
 291 #endif
 292
 293 #if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
 294         pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
 295         platform_device_register(&pxa168_device_u2oehci);
 296 #endif
 297
 298 #if IS_ENABLED(CONFIG_USB_MV_OTG)
 299         pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
 300         platform_device_register(&pxa168_device_u2ootg);
 301 #endif
 302
 303 #if IS_ENABLED(CONFIG_MMP_DISP)
 304         add_disp();
 305 #endif
 306 }
 307
 308 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
 309         .map_io         = mmp_map_io,
 310         .nr_irqs        = TTCDKB_NR_IRQS,
 311         .init_irq       = pxa910_init_irq,
 312         .init_time      = pxa910_timer_init,
 313         .init_machine   = ttc_dkb_init,
 314         .restart        = mmp_restart,
 315 MACHINE_END