xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

OMAP: RX51: Add LCD Panel support

Browse Source 
Adds basic support for LCD Panel on Nokia N900

Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
This commit is contained in:
Roger Quadros
2010-05-10 10:35:17 +02:00
committed by Tomi Valkeinen
parent a40458eee7
commit 03e111045e
4 changed files with 125 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

109
arch/arm/mach-omap2/board-rx51-video.c Normal file
View File

@@ -0,0 +1,109 @@
/*
* linux/arch/arm/mach-omap2/board-rx51-video.c
*
* Copyright (C) 2010 Nokia
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/mm.h>
#include <asm/mach-types.h>
#include <plat/mux.h>
#include <plat/display.h>
#include <plat/vram.h>
#include <plat/mcspi.h>
#include "mux.h"
#define RX51_LCD_RESET_GPIO 90
#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
static int rx51_lcd_enable(struct omap_dss_device *dssdev)
{
gpio_set_value(dssdev->reset_gpio, 1);
return 0;
}
static void rx51_lcd_disable(struct omap_dss_device *dssdev)
{
gpio_set_value(dssdev->reset_gpio, 0);
}
static struct omap_dss_device rx51_lcd_device = {
.name = "lcd",
.driver_name = "panel-acx565akm",
.type = OMAP_DISPLAY_TYPE_SDI,
.phy.sdi.datapairs = 2,
.reset_gpio = RX51_LCD_RESET_GPIO,
.platform_enable = rx51_lcd_enable,
.platform_disable = rx51_lcd_disable,
};
static struct omap_dss_device *rx51_dss_devices[] = {
&rx51_lcd_device,
};
static struct omap_dss_board_info rx51_dss_board_info = {
.num_devices = ARRAY_SIZE(rx51_dss_devices),
.devices = rx51_dss_devices,
.default_device = &rx51_lcd_device,
};
struct platform_device rx51_display_device = {
.name = "omapdss",
.id = -1,
.dev = {
.platform_data = &rx51_dss_board_info,
},
};
static struct platform_device *rx51_video_devices[] __initdata = {
&rx51_display_device,
};
static int __init rx51_video_init(void)
{
if (!machine_is_nokia_rx51())
return 0;
if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
pr_err("%s cannot configure MUX for LCD RESET\n", __func__);
return 0;
}
if (gpio_request(RX51_LCD_RESET_GPIO, "LCD ACX565AKM reset")) {
pr_err("%s failed to get LCD Reset GPIO\n", __func__);
return 0;
}
gpio_direction_output(RX51_LCD_RESET_GPIO, 1);
platform_add_devices(rx51_video_devices,
ARRAY_SIZE(rx51_video_devices));
return 0;
}
subsys_initcall(rx51_video_init);
void __init rx51_video_mem_init(void)
{
/*
* GFX 864x480x32bpp
* VID1/2 1280x720x32bpp double buffered
*/
omap_vram_set_sdram_vram(PAGE_ALIGN(864 * 480 * 4) +
2 * PAGE_ALIGN(1280 * 720 * 4 * 2), 0);
}
#else
void __init rx51_video_mem_init(void) { }
#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */