forked from Minki/linux
15c9887e15
IGEPv2 board has both an DVI and TFP410 video interfaces but DSS support for DeviceTree has not yet landed in mainline so is necessary to init the displays using legacy platform code. Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
260 lines
7.3 KiB
C
260 lines
7.3 KiB
C
/*
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* Copyright (C) 2012 Texas Instruments, Inc..
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* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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/*
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* NOTE: this is a transitional file to help with DT adaptation.
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* This file will be removed when DSS supports DT.
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*/
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#include <linux/kernel.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <video/omapdss.h>
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#include <video/omap-panel-data.h>
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#include "soc.h"
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#include "dss-common.h"
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#include "mux.h"
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#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
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#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
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#define HDMI_GPIO_HPD 63 /* Hotplug detect */
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#define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
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/* DVI Connector */
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static struct connector_dvi_platform_data omap4_panda_dvi_connector_pdata = {
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.name = "dvi",
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.source = "tfp410.0",
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.i2c_bus_num = 2,
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};
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static struct platform_device omap4_panda_dvi_connector_device = {
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.name = "connector-dvi",
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.id = 0,
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.dev.platform_data = &omap4_panda_dvi_connector_pdata,
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};
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/* TFP410 DPI-to-DVI chip */
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static struct encoder_tfp410_platform_data omap4_panda_tfp410_pdata = {
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.name = "tfp410.0",
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.source = "dpi.0",
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.data_lines = 24,
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.power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
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};
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static struct platform_device omap4_panda_tfp410_device = {
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.name = "tfp410",
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.id = 0,
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.dev.platform_data = &omap4_panda_tfp410_pdata,
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};
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/* HDMI Connector */
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static struct connector_hdmi_platform_data omap4_panda_hdmi_connector_pdata = {
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.name = "hdmi",
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.source = "tpd12s015.0",
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};
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static struct platform_device omap4_panda_hdmi_connector_device = {
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.name = "connector-hdmi",
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.id = 0,
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.dev.platform_data = &omap4_panda_hdmi_connector_pdata,
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};
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/* TPD12S015 HDMI ESD protection & level shifter chip */
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static struct encoder_tpd12s015_platform_data omap4_panda_tpd_pdata = {
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.name = "tpd12s015.0",
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.source = "hdmi.0",
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.ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
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.ls_oe_gpio = HDMI_GPIO_LS_OE,
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.hpd_gpio = HDMI_GPIO_HPD,
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};
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static struct platform_device omap4_panda_tpd_device = {
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.name = "tpd12s015",
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.id = 0,
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.dev.platform_data = &omap4_panda_tpd_pdata,
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};
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static struct omap_dss_board_info omap4_panda_dss_data = {
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.default_display_name = "dvi",
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};
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void __init omap4_panda_display_init_of(void)
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{
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omap_display_init(&omap4_panda_dss_data);
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platform_device_register(&omap4_panda_tfp410_device);
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platform_device_register(&omap4_panda_dvi_connector_device);
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platform_device_register(&omap4_panda_tpd_device);
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platform_device_register(&omap4_panda_hdmi_connector_device);
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}
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/* OMAP4 Blaze display data */
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#define DISPLAY_SEL_GPIO 59 /* LCD2/PicoDLP switch */
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#define DLP_POWER_ON_GPIO 40
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static struct panel_dsicm_platform_data dsi1_panel = {
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.name = "lcd",
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.source = "dsi.0",
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.reset_gpio = 102,
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.use_ext_te = false,
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.ext_te_gpio = 101,
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.pin_config = {
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.num_pins = 6,
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.pins = { 0, 1, 2, 3, 4, 5 },
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},
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};
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static struct platform_device sdp4430_lcd_device = {
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.name = "panel-dsi-cm",
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.id = 0,
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.dev.platform_data = &dsi1_panel,
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};
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static struct panel_dsicm_platform_data dsi2_panel = {
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.name = "lcd2",
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.source = "dsi.1",
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.reset_gpio = 104,
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.use_ext_te = false,
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.ext_te_gpio = 103,
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.pin_config = {
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.num_pins = 6,
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.pins = { 0, 1, 2, 3, 4, 5 },
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},
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};
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static struct platform_device sdp4430_lcd2_device = {
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.name = "panel-dsi-cm",
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.id = 1,
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.dev.platform_data = &dsi2_panel,
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};
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/* HDMI Connector */
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static struct connector_hdmi_platform_data sdp4430_hdmi_connector_pdata = {
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.name = "hdmi",
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.source = "tpd12s015.0",
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};
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static struct platform_device sdp4430_hdmi_connector_device = {
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.name = "connector-hdmi",
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.id = 0,
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.dev.platform_data = &sdp4430_hdmi_connector_pdata,
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};
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/* TPD12S015 HDMI ESD protection & level shifter chip */
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static struct encoder_tpd12s015_platform_data sdp4430_tpd_pdata = {
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.name = "tpd12s015.0",
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.source = "hdmi.0",
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.ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
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.ls_oe_gpio = HDMI_GPIO_LS_OE,
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.hpd_gpio = HDMI_GPIO_HPD,
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};
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static struct platform_device sdp4430_tpd_device = {
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.name = "tpd12s015",
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.id = 0,
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.dev.platform_data = &sdp4430_tpd_pdata,
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};
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static struct omap_dss_board_info sdp4430_dss_data = {
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.default_display_name = "lcd",
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};
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/*
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* we select LCD2 by default (instead of Pico DLP) by setting DISPLAY_SEL_GPIO.
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* Setting DLP_POWER_ON gpio enables the VDLP_2V5 VDLP_1V8 and VDLP_1V0 rails
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* used by picodlp on the 4430sdp platform. Keep this gpio disabled as LCD2 is
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* selected by default
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*/
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void __init omap_4430sdp_display_init_of(void)
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{
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int r;
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r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
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"display_sel");
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if (r)
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pr_err("%s: Could not get display_sel GPIO\n", __func__);
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r = gpio_request_one(DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW,
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"DLP POWER ON");
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if (r)
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pr_err("%s: Could not get DLP POWER ON GPIO\n", __func__);
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omap_display_init(&sdp4430_dss_data);
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platform_device_register(&sdp4430_lcd_device);
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platform_device_register(&sdp4430_lcd2_device);
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platform_device_register(&sdp4430_tpd_device);
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platform_device_register(&sdp4430_hdmi_connector_device);
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}
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/* OMAP3 IGEPv2 data */
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#define IGEP2_DVI_TFP410_POWER_DOWN_GPIO 170
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/* DVI Connector */
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static struct connector_dvi_platform_data omap3_igep2_dvi_connector_pdata = {
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.name = "dvi",
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.source = "tfp410.0",
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.i2c_bus_num = 3,
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};
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static struct platform_device omap3_igep2_dvi_connector_device = {
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.name = "connector-dvi",
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.id = 0,
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.dev.platform_data = &omap3_igep2_dvi_connector_pdata,
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};
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/* TFP410 DPI-to-DVI chip */
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static struct encoder_tfp410_platform_data omap3_igep2_tfp410_pdata = {
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.name = "tfp410.0",
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.source = "dpi.0",
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.data_lines = 24,
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.power_down_gpio = IGEP2_DVI_TFP410_POWER_DOWN_GPIO,
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};
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static struct platform_device omap3_igep2_tfp410_device = {
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.name = "tfp410",
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.id = 0,
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.dev.platform_data = &omap3_igep2_tfp410_pdata,
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};
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static struct omap_dss_board_info igep2_dss_data = {
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.default_display_name = "dvi",
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};
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void __init omap3_igep2_display_init_of(void)
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{
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omap_display_init(&igep2_dss_data);
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platform_device_register(&omap3_igep2_tfp410_device);
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platform_device_register(&omap3_igep2_dvi_connector_device);
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}
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