linux/arch/arm/mach-pxa/colibri-pxa3xx.c
Daniel Mack 91fcfb908d [ARM] pxa: Add Colibri LCD functions
This adds LCD functions for Colibri PXA300 and Colibri PXA320 and
configures a LQ043T3DX02 panel.

Original-code-by: Matthias Meier <matthias.j.meier@gmx.net>
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
2009-03-23 09:59:55 +08:00

122 lines
2.8 KiB
C

/*
* arch/arm/mach-pxa/colibri-pxa3xx.c
*
* Common functions for all Toradex PXA3xx modules
*
* Daniel Mack <daniel@caiaq.de>
*
* 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/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <mach/hardware.h>
#include <asm/sizes.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/pxa3xx-regs.h>
#include <mach/mfp-pxa300.h>
#include <mach/colibri.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
#include "generic.h"
#include "devices.h"
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static int mmc_detect_pin;
static int colibri_pxa3xx_mci_init(struct device *dev,
irq_handler_t colibri_mmc_detect_int,
void *data)
{
int ret;
ret = gpio_request(mmc_detect_pin, "mmc card detect");
if (ret)
return ret;
gpio_direction_input(mmc_detect_pin);
ret = request_irq(gpio_to_irq(mmc_detect_pin), colibri_mmc_detect_int,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC card detect", data);
if (ret) {
gpio_free(mmc_detect_pin);
return ret;
}
return 0;
}
static void colibri_pxa3xx_mci_exit(struct device *dev, void *data)
{
free_irq(mmc_detect_pin, data);
gpio_free(gpio_to_irq(mmc_detect_pin));
}
static struct pxamci_platform_data colibri_pxa3xx_mci_platform_data = {
.detect_delay = 20,
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.init = colibri_pxa3xx_mci_init,
.exit = colibri_pxa3xx_mci_exit,
};
void __init colibri_pxa3xx_init_mmc(mfp_cfg_t *pins, int len, int detect_pin)
{
pxa3xx_mfp_config(pins, len);
mmc_detect_pin = detect_pin;
pxa_set_mci_info(&colibri_pxa3xx_mci_platform_data);
}
#endif /* CONFIG_MMC_PXA || CONFIG_MMC_PXA_MODULE */
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static int lcd_bl_pin;
/*
* LCD panel (Sharp LQ043T3DX02)
*/
static void colibri_lcd_backlight(int on)
{
gpio_set_value(lcd_bl_pin, !!on);
}
static struct pxafb_mode_info sharp_lq43_mode = {
.pixclock = 101936,
.xres = 480,
.yres = 272,
.bpp = 32,
.depth = 18,
.hsync_len = 41,
.left_margin = 2,
.right_margin = 2,
.vsync_len = 10,
.upper_margin = 2,
.lower_margin = 2,
.sync = 0,
.cmap_greyscale = 0,
};
static struct pxafb_mach_info sharp_lq43_info = {
.modes = &sharp_lq43_mode,
.num_modes = 1,
.cmap_inverse = 0,
.cmap_static = 0,
.lcd_conn = LCD_COLOR_TFT_18BPP,
.pxafb_backlight_power = colibri_lcd_backlight,
};
void __init colibri_pxa3xx_init_lcd(int bl_pin)
{
lcd_bl_pin = bl_pin;
gpio_request(bl_pin, "lcd backlight");
gpio_direction_output(bl_pin, 0);
set_pxa_fb_info(&sharp_lq43_info);
}
#endif