arch/arm/mach-omap2/board-rx51-video.c

   1 /*
   2  * linux/arch/arm/mach-omap2/board-rx51-video.c
   3  *
   4  * Copyright (C) 2010 Nokia
   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/mm.h>
  17 #include <asm/mach-types.h>
  18 #include <video/omapdss.h>
  19 #include <linux/platform_data/spi-omap2-mcspi.h>
  20
  21 #include "board-rx51.h"
  22
  23 #include "mux.h"
  24
  25 #define RX51_LCD_RESET_GPIO     90
  26
  27 #if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
  28
  29 static int rx51_lcd_enable(struct omap_dss_device *dssdev)
  30 {
  31         gpio_set_value(dssdev->reset_gpio, 1);
  32         return 0;
  33 }
  34
  35 static void rx51_lcd_disable(struct omap_dss_device *dssdev)
  36 {
  37         gpio_set_value(dssdev->reset_gpio, 0);
  38 }
  39
  40 static struct omap_dss_device rx51_lcd_device = {
  41         .name                   = "lcd",
  42         .driver_name            = "panel-acx565akm",
  43         .type                   = OMAP_DISPLAY_TYPE_SDI,
  44         .phy.sdi.datapairs      = 2,
  45         .reset_gpio             = RX51_LCD_RESET_GPIO,
  46         .platform_enable        = rx51_lcd_enable,
  47         .platform_disable       = rx51_lcd_disable,
  48 };
  49
  50 static struct omap_dss_device  rx51_tv_device = {
  51         .name                   = "tv",
  52         .type                   = OMAP_DISPLAY_TYPE_VENC,
  53         .driver_name            = "venc",
  54         .phy.venc.type          = OMAP_DSS_VENC_TYPE_COMPOSITE,
  55 };
  56
  57 static struct omap_dss_device *rx51_dss_devices[] = {
  58         &rx51_lcd_device,
  59         &rx51_tv_device,
  60 };
  61
  62 static struct omap_dss_board_info rx51_dss_board_info = {
  63         .num_devices    = ARRAY_SIZE(rx51_dss_devices),
  64         .devices        = rx51_dss_devices,
  65         .default_device = &rx51_lcd_device,
  66 };
  67
  68 static int __init rx51_video_init(void)
  69 {
  70         if (!machine_is_nokia_rx51())
  71                 return 0;
  72
  73         if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
  74                 pr_err("%s cannot configure MUX for LCD RESET\n", __func__);
  75                 return 0;
  76         }
  77
  78         if (gpio_request_one(RX51_LCD_RESET_GPIO, GPIOF_OUT_INIT_HIGH,
  79                              "LCD ACX565AKM reset")) {
  80                 pr_err("%s failed to get LCD Reset GPIO\n", __func__);
  81                 return 0;
  82         }
  83
  84         omap_display_init(&rx51_dss_board_info);
  85         return 0;
  86 }
  87
  88 subsys_initcall(rx51_video_init);
  89 #endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */