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/*
* Common code for Palm LD, T5, TX, Z72
*
* Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
*
* 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/platform_device.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/pda_power.h>
#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio.h>
#include <linux/wm97xx.h>
#include <linux/power_supply.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/regulator/max1586.h>
#include <linux/platform_data/i2c-pxa.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "pxa27x.h"
#include <mach/audio.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/irda-pxaficp.h>
#include "udc.h"
#include <linux/platform_data/asoc-palm27x.h>
#include "palm27x.h"
#include "generic.h"
#include "devices.h"
/******************************************************************************
* SD/MMC card controller
******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data palm27x_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.detect_delay_ms = 200,
};
void __init palm27x_mmc_init(struct gpiod_lookup_table *gtable)
{
if (gtable)
gpiod_add_lookup_table(gtable);
pxa_set_mci_info(&palm27x_mci_platform_data);
}
#endif
/******************************************************************************
* Power management - standby
******************************************************************************/
#if defined(CONFIG_SUSPEND)
void __init palm27x_pm_init(unsigned long str_base)
{
static const unsigned long resume[] = {
0xe3a00101, /* mov r0, #0x40000000 */
0xe380060f, /* orr r0, r0, #0x00f00000 */
0xe590f008, /* ldr pc, [r0, #0x08] */
};
/*
* Copy the bootloader.
* NOTE: PalmZ72 uses a different wakeup method!
*/
memcpy(phys_to_virt(str_base), resume, sizeof(resume));
}
#endif
/******************************************************************************
* Framebuffer
******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
struct pxafb_mode_info palm_320x480_lcd_mode = {
.pixclock = 57692,
.xres = 320,
.yres = 480,
.bpp = 16,
.left_margin = 32,
.right_margin = 1,
.upper_margin = 7,
.lower_margin = 1,
.hsync_len = 4,
.vsync_len = 1,
};
struct pxafb_mode_info palm_320x320_lcd_mode = {
.pixclock = 115384,
.xres = 320,
.yres = 320,
.bpp = 16,
.left_margin = 27,
.right_margin = 7,
.upper_margin = 7,
.lower_margin = 8,
.hsync_len = 6,
.vsync_len = 1,
};
struct pxafb_mode_info palm_320x320_new_lcd_mode = {
.pixclock = 86538,
.xres = 320,
.yres = 320,
.bpp = 16,
.left_margin = 20,
.right_margin = 8,
.upper_margin = 8,
.lower_margin = 5,
.hsync_len = 4,
.vsync_len = 1,
};
static struct pxafb_mach_info palm27x_lcd_screen = {
.num_modes = 1,
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};
static int palm27x_lcd_power;
static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
{
gpio_set_value(palm27x_lcd_power, on);
}
void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
{
palm27x_lcd_screen.modes = mode;
if (gpio_is_valid(power)) {
if (!gpio_request(power, "LCD power")) {
pr_err("Palm27x: failed to claim lcd power gpio!\n");
return;
}
if (!gpio_direction_output(power, 1)) {
pr_err("Palm27x: lcd power configuration failed!\n");
return;
}
palm27x_lcd_power = power;
palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
}
pxa_set_fb_info(NULL, &palm27x_lcd_screen);
}
#endif
/******************************************************************************
* USB Gadget
******************************************************************************/
#if defined(CONFIG_USB_PXA27X) || \
defined(CONFIG_USB_PXA27X_MODULE)
static struct gpio_vbus_mach_info palm27x_udc_info = {
.gpio_vbus_inverted = 1,
};
static struct platform_device palm27x_gpio_vbus = {
.name = "gpio-vbus",
.id = -1,
.dev = {
.platform_data = &palm27x_udc_info,
},
};
void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
{
palm27x_udc_info.gpio_vbus = vbus;
palm27x_udc_info.gpio_pullup = pullup;
palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;
if (!gpio_request(pullup, "USB Pullup")) {
gpio_direction_output(pullup,
palm27x_udc_info.gpio_vbus_inverted);
gpio_free(pullup);
} else
return;
platform_device_register(&palm27x_gpio_vbus);
}
#endif
/******************************************************************************
* IrDA
******************************************************************************/
#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
static struct pxaficp_platform_data palm27x_ficp_platform_data = {
.transceiver_cap = IR_SIRMODE | IR_OFF,
};
void __init palm27x_irda_init(int pwdn)
{
palm27x_ficp_platform_data.gpio_pwdown = pwdn;
pxa_set_ficp_info(&palm27x_ficp_platform_data);
}
#endif
/******************************************************************************
* WM97xx audio, battery
******************************************************************************/
#if defined(CONFIG_TOUCHSCREEN_WM97XX) || \
defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
static struct wm97xx_batt_pdata palm27x_batt_pdata = {
.batt_aux = WM97XX_AUX_ID3,
.temp_aux = WM97XX_AUX_ID2,
.charge_gpio = -1,
.batt_mult = 1000,
.batt_div = 414,
.temp_mult = 1,
.temp_div = 1,
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
.batt_name = "main-batt",
};
static struct wm97xx_pdata palm27x_wm97xx_pdata = {
.batt_pdata = &palm27x_batt_pdata,
};
static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
.codec_pdata = { &palm27x_wm97xx_pdata, },
};
static struct palm27x_asoc_info palm27x_asoc_pdata = {
.jack_gpio = -1,
};
static struct platform_device palm27x_asoc = {
.name = "palm27x-asoc",
.id = -1,
.dev = {
.platform_data = &palm27x_asoc_pdata,
},
};
void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
{
palm27x_ac97_pdata.reset_gpio = reset;
palm27x_asoc_pdata.jack_gpio = jack;
if (minv < 0 || maxv < 0) {
palm27x_ac97_pdata.codec_pdata[0] = NULL;
pxa_set_ac97_info(&palm27x_ac97_pdata);
} else {
palm27x_batt_pdata.min_voltage = minv,
palm27x_batt_pdata.max_voltage = maxv,
pxa_set_ac97_info(&palm27x_ac97_pdata);
platform_device_register(&palm27x_asoc);
}
}
#endif
/******************************************************************************
* Backlight
******************************************************************************/
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static struct pwm_lookup palm27x_pwm_lookup[] = {
PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 3500 * 1024,
PWM_POLARITY_NORMAL),
};
static int palm_bl_power;
static int palm_lcd_power;
static int palm27x_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(palm_bl_power, "BL POWER");
if (ret)
goto err;
ret = gpio_direction_output(palm_bl_power, 0);
if (ret)
goto err2;
if (gpio_is_valid(palm_lcd_power)) {
ret = gpio_request(palm_lcd_power, "LCD POWER");
if (ret)
goto err2;
ret = gpio_direction_output(palm_lcd_power, 0);
if (ret)
goto err3;
}
return
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