arch/arm/mach-omap2/board-zoom-display.c

   1 /*
   2  * Copyright (C) 2010 Texas Instruments Inc.
   3  *
   4  * Modified from mach-omap2/board-zoom-peripherals.c
   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  * published by the Free Software Foundation.
   9  */
  10
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/gpio.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/platform_data/spi-omap2-mcspi.h>
  17 #include <video/omapdss.h>
  18 #include <video/omap-panel-data.h>
  19
  20 #include "board-zoom.h"
  21 #include "soc.h"
  22 #include "common.h"
  23
  24 #define LCD_PANEL_RESET_GPIO_PROD       96
  25 #define LCD_PANEL_RESET_GPIO_PILOT      55
  26 #define LCD_PANEL_QVGA_GPIO             56
  27
  28 static struct panel_nec_nl8048_data zoom_lcd_data = {
  29         /* res_gpio filled in code */
  30         .qvga_gpio = LCD_PANEL_QVGA_GPIO,
  31 };
  32
  33 static struct omap_dss_device zoom_lcd_device = {
  34         .name                   = "lcd",
  35         .driver_name            = "NEC_8048_panel",
  36         .type                   = OMAP_DISPLAY_TYPE_DPI,
  37         .phy.dpi.data_lines     = 24,
  38         .data                   = &zoom_lcd_data,
  39 };
  40
  41 static struct omap_dss_device *zoom_dss_devices[] = {
  42         &zoom_lcd_device,
  43 };
  44
  45 static struct omap_dss_board_info zoom_dss_data = {
  46         .num_devices            = ARRAY_SIZE(zoom_dss_devices),
  47         .devices                = zoom_dss_devices,
  48         .default_device         = &zoom_lcd_device,
  49 };
  50
  51 static void __init zoom_lcd_panel_init(void)
  52 {
  53         zoom_lcd_data.res_gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
  54                         LCD_PANEL_RESET_GPIO_PROD :
  55                         LCD_PANEL_RESET_GPIO_PILOT;
  56 }
  57
  58 static struct omap2_mcspi_device_config dss_lcd_mcspi_config = {
  59         .turbo_mode             = 1,
  60 };
  61
  62 static struct spi_board_info nec_8048_spi_board_info[] __initdata = {
  63         [0] = {
  64                 .modalias               = "nec_8048_spi",
  65                 .bus_num                = 1,
  66                 .chip_select            = 2,
  67                 .max_speed_hz           = 375000,
  68                 .controller_data        = &dss_lcd_mcspi_config,
  69         },
  70 };
  71
  72 void __init zoom_display_init(void)
  73 {
  74         omap_display_init(&zoom_dss_data);
  75         spi_register_board_info(nec_8048_spi_board_info,
  76                                 ARRAY_SIZE(nec_8048_spi_board_info));
  77         zoom_lcd_panel_init();
  78 }
  79