linux/arch/arm/mach-mmp/ttc_dkb.c
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   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
  49static 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
  79static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
  80        .irq_base       = MMP_GPIO_TO_IRQ(0),
  81};
  82
  83static 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
 112static 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
 117static 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
 125static 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
 135static struct platform_device *ttc_dkb_devices[] = {
 136        &pxa910_device_gpio,
 137        &pxa910_device_rtc,
 138        &ttc_dkb_device_onenand,
 139};
 140
 141static struct pca953x_platform_data max7312_data[] = {
 142        {
 143                .gpio_base      = TTCDKB_GPIO_EXT0(0),
 144                .irq_base       = MMP_NR_IRQS,
 145        },
 146};
 147
 148static struct pm860x_platform_data ttc_dkb_pm8607_info = {
 149        .irq_base       = IRQ_BOARD_START,
 150};
 151
 152static 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
 170static 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)
 182static 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*/
 194static 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
 205static 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
 212static 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
 220static 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
 246static 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
 252static 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
 260static 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
 272static 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
 308MACHINE_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,
 315MACHINE_END
 316