forked from luck/tmp_suning_uos_patched
4e9687d9c8
This patch adds generic battery driver for wm97xx chips. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Acked-by: Anton Vorontsov <cbouatmailru@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
437 lines
11 KiB
C
437 lines
11 KiB
C
/*
|
|
* Hardware definitions for PalmTX
|
|
*
|
|
* Author: Marek Vasut <marek.vasut@gmail.com>
|
|
*
|
|
* Based on work of:
|
|
* Alex Osborne <ato@meshy.org>
|
|
* Cristiano P. <cristianop@users.sourceforge.net>
|
|
* Jan Herman <2hp@seznam.cz>
|
|
* Michal Hrusecky
|
|
*
|
|
* 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.
|
|
*
|
|
* (find more info at www.hackndev.com)
|
|
*
|
|
*/
|
|
|
|
#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_batt.h>
|
|
#include <linux/power_supply.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/audio.h>
|
|
#include <mach/palmtx.h>
|
|
#include <mach/mmc.h>
|
|
#include <mach/pxafb.h>
|
|
#include <mach/pxa-regs.h>
|
|
#include <mach/mfp-pxa27x.h>
|
|
#include <mach/irda.h>
|
|
#include <mach/pxa27x_keypad.h>
|
|
#include <mach/udc.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.h"
|
|
|
|
/******************************************************************************
|
|
* Pin configuration
|
|
******************************************************************************/
|
|
static unsigned long palmtx_pin_config[] __initdata = {
|
|
/* MMC */
|
|
GPIO32_MMC_CLK,
|
|
GPIO92_MMC_DAT_0,
|
|
GPIO109_MMC_DAT_1,
|
|
GPIO110_MMC_DAT_2,
|
|
GPIO111_MMC_DAT_3,
|
|
GPIO112_MMC_CMD,
|
|
|
|
/* AC97 */
|
|
GPIO28_AC97_BITCLK,
|
|
GPIO29_AC97_SDATA_IN_0,
|
|
GPIO30_AC97_SDATA_OUT,
|
|
GPIO31_AC97_SYNC,
|
|
|
|
/* IrDA */
|
|
GPIO46_FICP_RXD,
|
|
GPIO47_FICP_TXD,
|
|
|
|
/* PWM */
|
|
GPIO16_PWM0_OUT,
|
|
|
|
/* USB */
|
|
GPIO13_GPIO,
|
|
|
|
/* PCMCIA */
|
|
GPIO48_nPOE,
|
|
GPIO49_nPWE,
|
|
GPIO50_nPIOR,
|
|
GPIO51_nPIOW,
|
|
GPIO85_nPCE_1,
|
|
GPIO54_nPCE_2,
|
|
GPIO79_PSKTSEL,
|
|
GPIO55_nPREG,
|
|
GPIO56_nPWAIT,
|
|
GPIO57_nIOIS16,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* SD/MMC card controller
|
|
******************************************************************************/
|
|
static int palmtx_mci_init(struct device *dev, irq_handler_t palmtx_detect_int,
|
|
void *data)
|
|
{
|
|
int err = 0;
|
|
|
|
/* Setup an interrupt for detecting card insert/remove events */
|
|
err = request_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, palmtx_detect_int,
|
|
IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
|
|
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
|
|
"SD/MMC card detect", data);
|
|
if (err) {
|
|
printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
|
|
__func__);
|
|
return err;
|
|
}
|
|
|
|
err = gpio_request(GPIO_NR_PALMTX_SD_POWER, "SD_POWER");
|
|
if (err)
|
|
goto pwr_err;
|
|
|
|
err = gpio_request(GPIO_NR_PALMTX_SD_READONLY, "SD_READONLY");
|
|
if (err)
|
|
goto ro_err;
|
|
|
|
printk(KERN_DEBUG "%s: irq registered\n", __func__);
|
|
|
|
return 0;
|
|
|
|
ro_err:
|
|
gpio_free(GPIO_NR_PALMTX_SD_POWER);
|
|
pwr_err:
|
|
free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data);
|
|
return err;
|
|
}
|
|
|
|
static void palmtx_mci_exit(struct device *dev, void *data)
|
|
{
|
|
gpio_free(GPIO_NR_PALMTX_SD_READONLY);
|
|
gpio_free(GPIO_NR_PALMTX_SD_POWER);
|
|
free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data);
|
|
}
|
|
|
|
static void palmtx_mci_power(struct device *dev, unsigned int vdd)
|
|
{
|
|
struct pxamci_platform_data *p_d = dev->platform_data;
|
|
gpio_set_value(GPIO_NR_PALMTX_SD_POWER, p_d->ocr_mask & (1 << vdd));
|
|
}
|
|
|
|
static int palmtx_mci_get_ro(struct device *dev)
|
|
{
|
|
return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY);
|
|
}
|
|
|
|
static struct pxamci_platform_data palmtx_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
.setpower = palmtx_mci_power,
|
|
.get_ro = palmtx_mci_get_ro,
|
|
.init = palmtx_mci_init,
|
|
.exit = palmtx_mci_exit,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* GPIO keyboard
|
|
******************************************************************************/
|
|
static unsigned int palmtx_matrix_keys[] = {
|
|
KEY(0, 0, KEY_POWER),
|
|
KEY(0, 1, KEY_F1),
|
|
KEY(0, 2, KEY_ENTER),
|
|
|
|
KEY(1, 0, KEY_F2),
|
|
KEY(1, 1, KEY_F3),
|
|
KEY(1, 2, KEY_F4),
|
|
|
|
KEY(2, 0, KEY_UP),
|
|
KEY(2, 2, KEY_DOWN),
|
|
|
|
KEY(3, 0, KEY_RIGHT),
|
|
KEY(3, 2, KEY_LEFT),
|
|
|
|
};
|
|
|
|
static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
|
|
.matrix_key_rows = 4,
|
|
.matrix_key_cols = 3,
|
|
.matrix_key_map = palmtx_matrix_keys,
|
|
.matrix_key_map_size = ARRAY_SIZE(palmtx_matrix_keys),
|
|
|
|
.debounce_interval = 30,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* GPIO keys
|
|
******************************************************************************/
|
|
static struct gpio_keys_button palmtx_pxa_buttons[] = {
|
|
{KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
|
|
};
|
|
|
|
static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
|
|
.buttons = palmtx_pxa_buttons,
|
|
.nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
|
|
};
|
|
|
|
static struct platform_device palmtx_pxa_keys = {
|
|
.name = "gpio-keys",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmtx_pxa_keys_data,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Backlight
|
|
******************************************************************************/
|
|
static int palmtx_backlight_init(struct device *dev)
|
|
{
|
|
int ret;
|
|
|
|
ret = gpio_request(GPIO_NR_PALMTX_BL_POWER, "BL POWER");
|
|
if (ret)
|
|
goto err;
|
|
ret = gpio_request(GPIO_NR_PALMTX_LCD_POWER, "LCD POWER");
|
|
if (ret)
|
|
goto err2;
|
|
|
|
return 0;
|
|
err2:
|
|
gpio_free(GPIO_NR_PALMTX_BL_POWER);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
static int palmtx_backlight_notify(int brightness)
|
|
{
|
|
gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness);
|
|
gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness);
|
|
return brightness;
|
|
}
|
|
|
|
static void palmtx_backlight_exit(struct device *dev)
|
|
{
|
|
gpio_free(GPIO_NR_PALMTX_BL_POWER);
|
|
gpio_free(GPIO_NR_PALMTX_LCD_POWER);
|
|
}
|
|
|
|
static struct platform_pwm_backlight_data palmtx_backlight_data = {
|
|
.pwm_id = 0,
|
|
.max_brightness = PALMTX_MAX_INTENSITY,
|
|
.dft_brightness = PALMTX_MAX_INTENSITY,
|
|
.pwm_period_ns = PALMTX_PERIOD_NS,
|
|
.init = palmtx_backlight_init,
|
|
.notify = palmtx_backlight_notify,
|
|
.exit = palmtx_backlight_exit,
|
|
};
|
|
|
|
static struct platform_device palmtx_backlight = {
|
|
.name = "pwm-backlight",
|
|
.dev = {
|
|
.parent = &pxa27x_device_pwm0.dev,
|
|
.platform_data = &palmtx_backlight_data,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* IrDA
|
|
******************************************************************************/
|
|
static void palmtx_irda_transceiver_mode(struct device *dev, int mode)
|
|
{
|
|
gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, mode & IR_OFF);
|
|
pxa2xx_transceiver_mode(dev, mode);
|
|
}
|
|
|
|
static struct pxaficp_platform_data palmtx_ficp_platform_data = {
|
|
.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
|
|
.transceiver_mode = palmtx_irda_transceiver_mode,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* UDC
|
|
******************************************************************************/
|
|
static void palmtx_udc_command(int cmd)
|
|
{
|
|
gpio_set_value(GPIO_NR_PALMTX_USB_POWER, !cmd);
|
|
udelay(50);
|
|
gpio_set_value(GPIO_NR_PALMTX_USB_PULLUP, !cmd);
|
|
}
|
|
|
|
static struct pxa2xx_udc_mach_info palmtx_udc_info __initdata = {
|
|
.gpio_vbus = GPIO_NR_PALMTX_USB_DETECT_N,
|
|
.gpio_vbus_inverted = 1,
|
|
.udc_command = palmtx_udc_command,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Power supply
|
|
******************************************************************************/
|
|
static int power_supply_init(struct device *dev)
|
|
{
|
|
int ret;
|
|
|
|
ret = gpio_request(GPIO_NR_PALMTX_POWER_DETECT, "CABLE_STATE_AC");
|
|
if (ret)
|
|
goto err_cs_ac;
|
|
|
|
ret = gpio_request(GPIO_NR_PALMTX_USB_DETECT_N, "CABLE_STATE_USB");
|
|
if (ret)
|
|
goto err_cs_usb;
|
|
|
|
return 0;
|
|
|
|
err_cs_usb:
|
|
gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
|
|
err_cs_ac:
|
|
return ret;
|
|
}
|
|
|
|
static int palmtx_is_ac_online(void)
|
|
{
|
|
return gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT);
|
|
}
|
|
|
|
static int palmtx_is_usb_online(void)
|
|
{
|
|
return !gpio_get_value(GPIO_NR_PALMTX_USB_DETECT_N);
|
|
}
|
|
|
|
static void power_supply_exit(struct device *dev)
|
|
{
|
|
gpio_free(GPIO_NR_PALMTX_USB_DETECT_N);
|
|
gpio_free(GPIO_NR_PALMTX_POWER_DETECT);
|
|
}
|
|
|
|
static char *palmtx_supplicants[] = {
|
|
"main-battery",
|
|
};
|
|
|
|
static struct pda_power_pdata power_supply_info = {
|
|
.init = power_supply_init,
|
|
.is_ac_online = palmtx_is_ac_online,
|
|
.is_usb_online = palmtx_is_usb_online,
|
|
.exit = power_supply_exit,
|
|
.supplied_to = palmtx_supplicants,
|
|
.num_supplicants = ARRAY_SIZE(palmtx_supplicants),
|
|
};
|
|
|
|
static struct platform_device power_supply = {
|
|
.name = "pda-power",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &power_supply_info,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* WM97xx battery
|
|
******************************************************************************/
|
|
static struct wm97xx_batt_info wm97xx_batt_pdata = {
|
|
.batt_aux = WM97XX_AUX_ID3,
|
|
.temp_aux = WM97XX_AUX_ID2,
|
|
.charge_gpio = -1,
|
|
.max_voltage = PALMTX_BAT_MAX_VOLTAGE,
|
|
.min_voltage = PALMTX_BAT_MIN_VOLTAGE,
|
|
.batt_mult = 1000,
|
|
.batt_div = 414,
|
|
.temp_mult = 1,
|
|
.temp_div = 1,
|
|
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
|
|
.batt_name = "main-batt",
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Framebuffer
|
|
******************************************************************************/
|
|
static struct pxafb_mode_info palmtx_lcd_modes[] = {
|
|
{
|
|
.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,
|
|
},
|
|
};
|
|
|
|
static struct pxafb_mach_info palmtx_lcd_screen = {
|
|
.modes = palmtx_lcd_modes,
|
|
.num_modes = ARRAY_SIZE(palmtx_lcd_modes),
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Machine init
|
|
******************************************************************************/
|
|
static struct platform_device *devices[] __initdata = {
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
&palmtx_pxa_keys,
|
|
#endif
|
|
&palmtx_backlight,
|
|
&power_supply,
|
|
};
|
|
|
|
static struct map_desc palmtx_io_desc[] __initdata = {
|
|
{
|
|
.virtual = PALMTX_PCMCIA_VIRT,
|
|
.pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
|
|
.length = PALMTX_PCMCIA_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
};
|
|
|
|
static void __init palmtx_map_io(void)
|
|
{
|
|
pxa_map_io();
|
|
iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
|
|
}
|
|
|
|
static void __init palmtx_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
|
|
|
|
set_pxa_fb_info(&palmtx_lcd_screen);
|
|
pxa_set_mci_info(&palmtx_mci_platform_data);
|
|
pxa_set_udc_info(&palmtx_udc_info);
|
|
pxa_set_ac97_info(NULL);
|
|
pxa_set_ficp_info(&palmtx_ficp_platform_data);
|
|
pxa_set_keypad_info(&palmtx_keypad_platform_data);
|
|
wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
MACHINE_START(PALMTX, "Palm T|X")
|
|
.phys_io = PALMTX_PHYS_IO_START,
|
|
.io_pg_offst = io_p2v(0x40000000),
|
|
.boot_params = 0xa0000100,
|
|
.map_io = palmtx_map_io,
|
|
.init_irq = pxa27x_init_irq,
|
|
.timer = &pxa_timer,
|
|
.init_machine = palmtx_init
|
|
MACHINE_END
|