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_nl8048hl11_platform_data zoom_lcd_pdata = {
  29         .name                   = "lcd",
  30         .source                 = "dpi.0",
  31
  32         .data_lines             = 24,
  33
  34         .res_gpio               = -1,   /* filled in code */
  35         .qvga_gpio              = LCD_PANEL_QVGA_GPIO,
  36 };
  37
  38 static struct omap_dss_board_info zoom_dss_data = {
  39         .default_display_name = "lcd",
  40 };
  41
  42 static void __init zoom_lcd_panel_init(void)
  43 {
  44         zoom_lcd_pdata.res_gpio = (omap_rev() > OMAP3430_REV_ES3_0) ?
  45                         LCD_PANEL_RESET_GPIO_PROD :
  46                         LCD_PANEL_RESET_GPIO_PILOT;
  47 }
  48
  49 static struct omap2_mcspi_device_config dss_lcd_mcspi_config = {
  50         .turbo_mode             = 1,
  51 };
  52
  53 static struct spi_board_info nec_8048_spi_board_info[] __initdata = {
  54         [0] = {
  55                 .modalias               = "panel-nec-nl8048hl11",
  56                 .bus_num                = 1,
  57                 .chip_select            = 2,
  58                 .max_speed_hz           = 375000,
  59                 .controller_data        = &dss_lcd_mcspi_config,
  60                 .platform_data          = &zoom_lcd_pdata,
  61         },
  62 };
  63
  64 void __init zoom_display_init(void)
  65 {
  66         omap_display_init(&zoom_dss_data);
  67         zoom_lcd_panel_init();
  68         spi_register_board_info(nec_8048_spi_board_info,
  69                                 ARRAY_SIZE(nec_8048_spi_board_info));
  70 }
  71