arch/arm/mach-omap2/dss-common.c

   1 /*
   2  * Copyright (C) 2012 Texas Instruments, Inc..
   3  * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * version 2 as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  17  * 02110-1301 USA
  18  *
  19  */
  20
  21 /*
  22  * NOTE: this is a transitional file to help with DT adaptation.
  23  * This file will be removed when DSS supports DT.
  24  */
  25
  26 #include <linux/kernel.h>
  27 #include <linux/gpio.h>
  28 #include <linux/platform_device.h>
  29
  30 #include <video/omapdss.h>
  31 #include <video/omap-panel-data.h>
  32
  33 #include "soc.h"
  34 #include "dss-common.h"
  35 #include "mux.h"
  36
  37 #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
  38 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
  39 #define HDMI_GPIO_HPD  63 /* Hotplug detect */
  40
  41 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO        0
  42
  43 /* DVI Connector */
  44 static struct connector_dvi_platform_data omap4_panda_dvi_connector_pdata = {
  45         .name                   = "dvi",
  46         .source                 = "tfp410.0",
  47         .i2c_bus_num            = 2,
  48 };
  49
  50 static struct platform_device omap4_panda_dvi_connector_device = {
  51         .name                   = "connector-dvi",
  52         .id                     = 0,
  53         .dev.platform_data      = &omap4_panda_dvi_connector_pdata,
  54 };
  55
  56 /* TFP410 DPI-to-DVI chip */
  57 static struct encoder_tfp410_platform_data omap4_panda_tfp410_pdata = {
  58         .name                   = "tfp410.0",
  59         .source                 = "dpi.0",
  60         .data_lines             = 24,
  61         .power_down_gpio        = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
  62 };
  63
  64 static struct platform_device omap4_panda_tfp410_device = {
  65         .name                   = "tfp410",
  66         .id                     = 0,
  67         .dev.platform_data      = &omap4_panda_tfp410_pdata,
  68 };
  69
  70 /* HDMI Connector */
  71 static struct connector_hdmi_platform_data omap4_panda_hdmi_connector_pdata = {
  72         .name                   = "hdmi",
  73         .source                 = "tpd12s015.0",
  74 };
  75
  76 static struct platform_device omap4_panda_hdmi_connector_device = {
  77         .name                   = "connector-hdmi",
  78         .id                     = 0,
  79         .dev.platform_data      = &omap4_panda_hdmi_connector_pdata,
  80 };
  81
  82 /* TPD12S015 HDMI ESD protection & level shifter chip */
  83 static struct encoder_tpd12s015_platform_data omap4_panda_tpd_pdata = {
  84         .name                   = "tpd12s015.0",
  85         .source                 = "hdmi.0",
  86
  87         .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
  88         .ls_oe_gpio = HDMI_GPIO_LS_OE,
  89         .hpd_gpio = HDMI_GPIO_HPD,
  90 };
  91
  92 static struct platform_device omap4_panda_tpd_device = {
  93         .name                   = "tpd12s015",
  94         .id                     = 0,
  95         .dev.platform_data      = &omap4_panda_tpd_pdata,
  96 };
  97
  98 static struct omap_dss_board_info omap4_panda_dss_data = {
  99         .default_display_name = "dvi",
 100 };
 101
 102 void __init omap4_panda_display_init_of(void)
 103 {
 104         omap_display_init(&omap4_panda_dss_data);
 105
 106         platform_device_register(&omap4_panda_tfp410_device);
 107         platform_device_register(&omap4_panda_dvi_connector_device);
 108
 109         platform_device_register(&omap4_panda_tpd_device);
 110         platform_device_register(&omap4_panda_hdmi_connector_device);
 111 }
 112
 113
 114 /* OMAP4 Blaze display data */
 115
 116 #define DISPLAY_SEL_GPIO        59      /* LCD2/PicoDLP switch */
 117 #define DLP_POWER_ON_GPIO       40
 118
 119 static struct panel_dsicm_platform_data dsi1_panel = {
 120         .name           = "lcd",
 121         .source         = "dsi.0",
 122         .reset_gpio     = 102,
 123         .use_ext_te     = false,
 124         .ext_te_gpio    = 101,
 125         .pin_config = {
 126                 .num_pins       = 6,
 127                 .pins           = { 0, 1, 2, 3, 4, 5 },
 128         },
 129 };
 130
 131 static struct platform_device sdp4430_lcd_device = {
 132         .name                   = "panel-dsi-cm",
 133         .id                     = 0,
 134         .dev.platform_data      = &dsi1_panel,
 135 };
 136
 137 static struct panel_dsicm_platform_data dsi2_panel = {
 138         .name           = "lcd2",
 139         .source         = "dsi.1",
 140         .reset_gpio     = 104,
 141         .use_ext_te     = false,
 142         .ext_te_gpio    = 103,
 143         .pin_config = {
 144                 .num_pins       = 6,
 145                 .pins           = { 0, 1, 2, 3, 4, 5 },
 146         },
 147 };
 148
 149 static struct platform_device sdp4430_lcd2_device = {
 150         .name                   = "panel-dsi-cm",
 151         .id                     = 1,
 152         .dev.platform_data      = &dsi2_panel,
 153 };
 154
 155 /* HDMI Connector */
 156 static struct connector_hdmi_platform_data sdp4430_hdmi_connector_pdata = {
 157         .name                   = "hdmi",
 158         .source                 = "tpd12s015.0",
 159 };
 160
 161 static struct platform_device sdp4430_hdmi_connector_device = {
 162         .name                   = "connector-hdmi",
 163         .id                     = 0,
 164         .dev.platform_data      = &sdp4430_hdmi_connector_pdata,
 165 };
 166
 167 /* TPD12S015 HDMI ESD protection & level shifter chip */
 168 static struct encoder_tpd12s015_platform_data sdp4430_tpd_pdata = {
 169         .name                   = "tpd12s015.0",
 170         .source                 = "hdmi.0",
 171
 172         .ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
 173         .ls_oe_gpio = HDMI_GPIO_LS_OE,
 174         .hpd_gpio = HDMI_GPIO_HPD,
 175 };
 176
 177 static struct platform_device sdp4430_tpd_device = {
 178         .name                   = "tpd12s015",
 179         .id                     = 0,
 180         .dev.platform_data      = &sdp4430_tpd_pdata,
 181 };
 182
 183
 184 static struct omap_dss_board_info sdp4430_dss_data = {
 185         .default_display_name = "lcd",
 186 };
 187
 188 /*
 189  * we select LCD2 by default (instead of Pico DLP) by setting DISPLAY_SEL_GPIO.
 190  * Setting DLP_POWER_ON gpio enables the VDLP_2V5 VDLP_1V8 and VDLP_1V0 rails
 191  * used by picodlp on the 4430sdp platform. Keep this gpio disabled as LCD2 is
 192  * selected by default
 193  */
 194 void __init omap_4430sdp_display_init_of(void)
 195 {
 196         int r;
 197
 198         r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
 199                         "display_sel");
 200         if (r)
 201                 pr_err("%s: Could not get display_sel GPIO\n", __func__);
 202
 203         r = gpio_request_one(DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW,
 204                 "DLP POWER ON");
 205         if (r)
 206                 pr_err("%s: Could not get DLP POWER ON GPIO\n", __func__);
 207
 208         omap_display_init(&sdp4430_dss_data);
 209
 210         platform_device_register(&sdp4430_lcd_device);
 211         platform_device_register(&sdp4430_lcd2_device);
 212
 213         platform_device_register(&sdp4430_tpd_device);
 214         platform_device_register(&sdp4430_hdmi_connector_device);
 215 }