forked from Minki/linux
03e111045e
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>
110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
/*
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* linux/arch/arm/mach-omap2/board-rx51-video.c
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*
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* Copyright (C) 2010 Nokia
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/spi/spi.h>
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#include <linux/mm.h>
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#include <asm/mach-types.h>
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#include <plat/mux.h>
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#include <plat/display.h>
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#include <plat/vram.h>
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#include <plat/mcspi.h>
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#include "mux.h"
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#define RX51_LCD_RESET_GPIO 90
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#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
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static int rx51_lcd_enable(struct omap_dss_device *dssdev)
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{
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gpio_set_value(dssdev->reset_gpio, 1);
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return 0;
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}
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static void rx51_lcd_disable(struct omap_dss_device *dssdev)
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{
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gpio_set_value(dssdev->reset_gpio, 0);
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}
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static struct omap_dss_device rx51_lcd_device = {
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.name = "lcd",
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.driver_name = "panel-acx565akm",
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.type = OMAP_DISPLAY_TYPE_SDI,
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.phy.sdi.datapairs = 2,
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.reset_gpio = RX51_LCD_RESET_GPIO,
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.platform_enable = rx51_lcd_enable,
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.platform_disable = rx51_lcd_disable,
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};
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static struct omap_dss_device *rx51_dss_devices[] = {
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&rx51_lcd_device,
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};
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static struct omap_dss_board_info rx51_dss_board_info = {
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.num_devices = ARRAY_SIZE(rx51_dss_devices),
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.devices = rx51_dss_devices,
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.default_device = &rx51_lcd_device,
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};
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struct platform_device rx51_display_device = {
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.name = "omapdss",
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.id = -1,
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.dev = {
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.platform_data = &rx51_dss_board_info,
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},
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};
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static struct platform_device *rx51_video_devices[] __initdata = {
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&rx51_display_device,
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};
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static int __init rx51_video_init(void)
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{
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if (!machine_is_nokia_rx51())
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return 0;
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if (omap_mux_init_gpio(RX51_LCD_RESET_GPIO, OMAP_PIN_OUTPUT)) {
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pr_err("%s cannot configure MUX for LCD RESET\n", __func__);
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return 0;
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}
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if (gpio_request(RX51_LCD_RESET_GPIO, "LCD ACX565AKM reset")) {
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pr_err("%s failed to get LCD Reset GPIO\n", __func__);
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return 0;
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}
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gpio_direction_output(RX51_LCD_RESET_GPIO, 1);
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platform_add_devices(rx51_video_devices,
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ARRAY_SIZE(rx51_video_devices));
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return 0;
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}
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subsys_initcall(rx51_video_init);
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void __init rx51_video_mem_init(void)
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{
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/*
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* GFX 864x480x32bpp
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* VID1/2 1280x720x32bpp double buffered
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*/
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omap_vram_set_sdram_vram(PAGE_ALIGN(864 * 480 * 4) +
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2 * PAGE_ALIGN(1280 * 720 * 4 * 2), 0);
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}
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#else
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void __init rx51_video_mem_init(void) { }
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#endif /* defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE) */
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