LXR linux/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
  28static struct panel_nec_nl8048_data zoom_lcd_data = {
  29        /* res_gpio filled in code */
  30        .qvga_gpio = LCD_PANEL_QVGA_GPIO,
  31};
  32
  33static 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
  41static struct omap_dss_device *zoom_dss_devices[] = {
  42        &zoom_lcd_device,
  43};
  44
  45static 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
  51static 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
  58static struct omap2_mcspi_device_config dss_lcd_mcspi_config = {
  59        .turbo_mode             = 1,
  60};
  61
  62static 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
  72void __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
  80