mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-15 06:55:13 +08:00
480 lines
12 KiB
C
480 lines
12 KiB
C
/*
|
|
* 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_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/i2c/pxa-i2c.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/pxa27x.h>
|
|
#include <mach/audio.h>
|
|
#include <mach/mmc.h>
|
|
#include <mach/pxafb.h>
|
|
#include <mach/irda.h>
|
|
#include <mach/udc.h>
|
|
#include <mach/palmasoc.h>
|
|
#include <mach/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(int detect, int ro, int power,
|
|
int power_inverted)
|
|
{
|
|
palm27x_mci_platform_data.gpio_card_detect = detect;
|
|
palm27x_mci_platform_data.gpio_card_ro = ro;
|
|
palm27x_mci_platform_data.gpio_power = power;
|
|
palm27x_mci_platform_data.gpio_power_invert = power_inverted;
|
|
|
|
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_GADGET_PXA27X) || \
|
|
defined(CONFIG_USB_GADGET_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 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 0;
|
|
err3:
|
|
gpio_free(palm_lcd_power);
|
|
err2:
|
|
gpio_free(palm_bl_power);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
static int palm27x_backlight_notify(struct device *dev, int brightness)
|
|
{
|
|
gpio_set_value(palm_bl_power, brightness);
|
|
if (gpio_is_valid(palm_lcd_power))
|
|
gpio_set_value(palm_lcd_power, brightness);
|
|
return brightness;
|
|
}
|
|
|
|
static void palm27x_backlight_exit(struct device *dev)
|
|
{
|
|
gpio_free(palm_bl_power);
|
|
if (gpio_is_valid(palm_lcd_power))
|
|
gpio_free(palm_lcd_power);
|
|
}
|
|
|
|
static struct platform_pwm_backlight_data palm27x_backlight_data = {
|
|
.pwm_id = 0,
|
|
.max_brightness = 0xfe,
|
|
.dft_brightness = 0x7e,
|
|
.pwm_period_ns = 3500 * 1024,
|
|
.init = palm27x_backlight_init,
|
|
.notify = palm27x_backlight_notify,
|
|
.exit = palm27x_backlight_exit,
|
|
};
|
|
|
|
static struct platform_device palm27x_backlight = {
|
|
.name = "pwm-backlight",
|
|
.dev = {
|
|
.parent = &pxa27x_device_pwm0.dev,
|
|
.platform_data = &palm27x_backlight_data,
|
|
},
|
|
};
|
|
|
|
void __init palm27x_pwm_init(int bl, int lcd)
|
|
{
|
|
palm_bl_power = bl;
|
|
palm_lcd_power = lcd;
|
|
platform_device_register(&palm27x_backlight);
|
|
}
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* Power supply
|
|
******************************************************************************/
|
|
#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
|
|
static int palm_ac_state;
|
|
static int palm_usb_state;
|
|
|
|
static int palm27x_power_supply_init(struct device *dev)
|
|
{
|
|
int ret;
|
|
|
|
ret = gpio_request(palm_ac_state, "AC state");
|
|
if (ret)
|
|
goto err1;
|
|
ret = gpio_direction_input(palm_ac_state);
|
|
if (ret)
|
|
goto err2;
|
|
|
|
if (gpio_is_valid(palm_usb_state)) {
|
|
ret = gpio_request(palm_usb_state, "USB state");
|
|
if (ret)
|
|
goto err2;
|
|
ret = gpio_direction_input(palm_usb_state);
|
|
if (ret)
|
|
goto err3;
|
|
}
|
|
|
|
return 0;
|
|
err3:
|
|
gpio_free(palm_usb_state);
|
|
err2:
|
|
gpio_free(palm_ac_state);
|
|
err1:
|
|
return ret;
|
|
}
|
|
|
|
static void palm27x_power_supply_exit(struct device *dev)
|
|
{
|
|
gpio_free(palm_usb_state);
|
|
gpio_free(palm_ac_state);
|
|
}
|
|
|
|
static int palm27x_is_ac_online(void)
|
|
{
|
|
return gpio_get_value(palm_ac_state);
|
|
}
|
|
|
|
static int palm27x_is_usb_online(void)
|
|
{
|
|
return !gpio_get_value(palm_usb_state);
|
|
}
|
|
static char *palm27x_supplicants[] = {
|
|
"main-battery",
|
|
};
|
|
|
|
static struct pda_power_pdata palm27x_ps_info = {
|
|
.init = palm27x_power_supply_init,
|
|
.exit = palm27x_power_supply_exit,
|
|
.is_ac_online = palm27x_is_ac_online,
|
|
.is_usb_online = palm27x_is_usb_online,
|
|
.supplied_to = palm27x_supplicants,
|
|
.num_supplicants = ARRAY_SIZE(palm27x_supplicants),
|
|
};
|
|
|
|
static struct platform_device palm27x_power_supply = {
|
|
.name = "pda-power",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palm27x_ps_info,
|
|
},
|
|
};
|
|
|
|
void __init palm27x_power_init(int ac, int usb)
|
|
{
|
|
palm_ac_state = ac;
|
|
palm_usb_state = usb;
|
|
platform_device_register(&palm27x_power_supply);
|
|
}
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* Core power regulator
|
|
******************************************************************************/
|
|
#if defined(CONFIG_REGULATOR_MAX1586) || \
|
|
defined(CONFIG_REGULATOR_MAX1586_MODULE)
|
|
static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
|
|
{
|
|
.supply = "vcc_core",
|
|
}
|
|
};
|
|
|
|
static struct regulator_init_data palm27x_max1587a_v3_info = {
|
|
.constraints = {
|
|
.name = "vcc_core range",
|
|
.min_uV = 900000,
|
|
.max_uV = 1705000,
|
|
.always_on = 1,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
|
|
},
|
|
.consumer_supplies = palm27x_max1587a_consumers,
|
|
.num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers),
|
|
};
|
|
|
|
static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
|
|
{
|
|
.name = "vcc_core",
|
|
.id = MAX1586_V3,
|
|
.platform_data = &palm27x_max1587a_v3_info,
|
|
}
|
|
};
|
|
|
|
static struct max1586_platform_data palm27x_max1587a_info = {
|
|
.subdevs = palm27x_max1587a_subdevs,
|
|
.num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
|
|
.v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
|
|
};
|
|
|
|
static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
|
|
{
|
|
I2C_BOARD_INFO("max1586", 0x14),
|
|
.platform_data = &palm27x_max1587a_info,
|
|
},
|
|
};
|
|
|
|
static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
|
|
.use_pio = 1,
|
|
};
|
|
|
|
void __init palm27x_pmic_init(void)
|
|
{
|
|
i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
|
|
pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
|
|
}
|
|
#endif
|