320 lines
7.7 KiB
C
320 lines
7.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Hardware definitions for Palm Zire72
|
|
*
|
|
* Authors:
|
|
* Vladimir "Farcaller" Pouzanov <farcaller@gmail.com>
|
|
* Sergey Lapin <slapin@ossfans.org>
|
|
* Alex Osborne <bobofdoom@gmail.com>
|
|
* Jan Herman <2hp@seznam.cz>
|
|
*
|
|
* Rewrite for mainline:
|
|
* Marek Vasut <marek.vasut@gmail.com>
|
|
*
|
|
* (find more info at www.hackndev.com)
|
|
*/
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/syscore_ops.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/platform_data/i2c-gpio.h>
|
|
#include <linux/gpio/machine.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/suspend.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include "pxa27x.h"
|
|
#include <linux/platform_data/asoc-pxa.h>
|
|
#include "palmz72.h"
|
|
#include <linux/platform_data/mmc-pxamci.h>
|
|
#include <linux/platform_data/video-pxafb.h>
|
|
#include <linux/platform_data/irda-pxaficp.h>
|
|
#include <linux/platform_data/keypad-pxa27x.h>
|
|
#include "udc.h"
|
|
#include <linux/platform_data/asoc-palm27x.h>
|
|
#include "palm27x.h"
|
|
|
|
#include "pm.h"
|
|
#include <linux/platform_data/media/camera-pxa.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.h"
|
|
|
|
/******************************************************************************
|
|
* Pin configuration
|
|
******************************************************************************/
|
|
static unsigned long palmz72_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,
|
|
GPIO14_GPIO, /* SD detect */
|
|
GPIO115_GPIO, /* SD RO */
|
|
GPIO98_GPIO, /* SD power */
|
|
|
|
/* AC97 */
|
|
GPIO28_AC97_BITCLK,
|
|
GPIO29_AC97_SDATA_IN_0,
|
|
GPIO30_AC97_SDATA_OUT,
|
|
GPIO31_AC97_SYNC,
|
|
GPIO89_AC97_SYSCLK,
|
|
GPIO113_AC97_nRESET,
|
|
|
|
/* IrDA */
|
|
GPIO49_GPIO, /* ir disable */
|
|
GPIO46_FICP_RXD,
|
|
GPIO47_FICP_TXD,
|
|
|
|
/* PWM */
|
|
GPIO16_PWM0_OUT,
|
|
|
|
/* USB */
|
|
GPIO15_GPIO, /* usb detect */
|
|
GPIO95_GPIO, /* usb pullup */
|
|
|
|
/* Matrix keypad */
|
|
GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
|
|
GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
|
|
GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
|
|
GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
|
|
GPIO103_KP_MKOUT_0,
|
|
GPIO104_KP_MKOUT_1,
|
|
GPIO105_KP_MKOUT_2,
|
|
|
|
/* LCD */
|
|
GPIOxx_LCD_TFT_16BPP,
|
|
|
|
GPIO20_GPIO, /* bl power */
|
|
GPIO21_GPIO, /* LCD border switch */
|
|
GPIO22_GPIO, /* LCD border color */
|
|
GPIO96_GPIO, /* lcd power */
|
|
|
|
/* PXA Camera */
|
|
GPIO81_CIF_DD_0,
|
|
GPIO48_CIF_DD_5,
|
|
GPIO50_CIF_DD_3,
|
|
GPIO51_CIF_DD_2,
|
|
GPIO52_CIF_DD_4,
|
|
GPIO53_CIF_MCLK,
|
|
GPIO54_CIF_PCLK,
|
|
GPIO55_CIF_DD_1,
|
|
GPIO84_CIF_FV,
|
|
GPIO85_CIF_LV,
|
|
GPIO93_CIF_DD_6,
|
|
GPIO108_CIF_DD_7,
|
|
|
|
GPIO56_GPIO, /* OV9640 Powerdown */
|
|
GPIO57_GPIO, /* OV9640 Reset */
|
|
GPIO91_GPIO, /* OV9640 Power */
|
|
|
|
/* I2C */
|
|
GPIO117_GPIO, /* I2C_SCL */
|
|
GPIO118_GPIO, /* I2C_SDA */
|
|
|
|
/* Misc. */
|
|
GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */
|
|
GPIO88_GPIO, /* green led */
|
|
GPIO27_GPIO, /* WM9712 IRQ */
|
|
};
|
|
|
|
/******************************************************************************
|
|
* GPIO keyboard
|
|
******************************************************************************/
|
|
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
|
|
static const unsigned int palmz72_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 matrix_keymap_data almz72_matrix_keymap_data = {
|
|
.keymap = palmz72_matrix_keys,
|
|
.keymap_size = ARRAY_SIZE(palmz72_matrix_keys),
|
|
};
|
|
|
|
static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = {
|
|
.matrix_key_rows = 4,
|
|
.matrix_key_cols = 3,
|
|
.matrix_keymap_data = &almz72_matrix_keymap_data,
|
|
|
|
.debounce_interval = 30,
|
|
};
|
|
|
|
static void __init palmz72_kpc_init(void)
|
|
{
|
|
pxa_set_keypad_info(&palmz72_keypad_platform_data);
|
|
}
|
|
#else
|
|
static inline void palmz72_kpc_init(void) {}
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* LEDs
|
|
******************************************************************************/
|
|
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
|
|
static struct gpio_led gpio_leds[] = {
|
|
{
|
|
.name = "palmz72:green:led",
|
|
.default_trigger = "none",
|
|
.gpio = GPIO_NR_PALMZ72_LED_GREEN,
|
|
},
|
|
};
|
|
|
|
static struct gpio_led_platform_data gpio_led_info = {
|
|
.leds = gpio_leds,
|
|
.num_leds = ARRAY_SIZE(gpio_leds),
|
|
};
|
|
|
|
static struct platform_device palmz72_leds = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &gpio_led_info,
|
|
}
|
|
};
|
|
|
|
static void __init palmz72_leds_init(void)
|
|
{
|
|
platform_device_register(&palmz72_leds);
|
|
}
|
|
#else
|
|
static inline void palmz72_leds_init(void) {}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PM
|
|
|
|
/* We have some black magic here
|
|
* PalmOS ROM on recover expects special struct physical address
|
|
* to be transferred via PSPR. Using this struct PalmOS restores
|
|
* its state after sleep. As for Linux, we need to setup it the
|
|
* same way. More than that, PalmOS ROM changes some values in memory.
|
|
* For now only one location is found, which needs special treatment.
|
|
* Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people
|
|
* for reading backtraces for me :)
|
|
*/
|
|
|
|
#define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050)
|
|
|
|
static struct palmz72_resume_info palmz72_resume_info = {
|
|
.magic0 = 0xb4e6,
|
|
.magic1 = 1,
|
|
|
|
/* reset state, MMU off etc */
|
|
.arm_control = 0,
|
|
.aux_control = 0,
|
|
.ttb = 0,
|
|
.domain_access = 0,
|
|
.process_id = 0,
|
|
};
|
|
|
|
static unsigned long store_ptr;
|
|
|
|
/* syscore_ops for Palm Zire 72 PM */
|
|
|
|
static int palmz72_pm_suspend(void)
|
|
{
|
|
/* setup the resume_info struct for the original bootloader */
|
|
palmz72_resume_info.resume_addr = (u32) cpu_resume;
|
|
|
|
/* Storing memory touched by ROM */
|
|
store_ptr = *PALMZ72_SAVE_DWORD;
|
|
|
|
/* Setting PSPR to a proper value */
|
|
PSPR = __pa_symbol(&palmz72_resume_info);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void palmz72_pm_resume(void)
|
|
{
|
|
*PALMZ72_SAVE_DWORD = store_ptr;
|
|
}
|
|
|
|
static struct syscore_ops palmz72_pm_syscore_ops = {
|
|
.suspend = palmz72_pm_suspend,
|
|
.resume = palmz72_pm_resume,
|
|
};
|
|
|
|
static int __init palmz72_pm_init(void)
|
|
{
|
|
if (machine_is_palmz72()) {
|
|
register_syscore_ops(&palmz72_pm_syscore_ops);
|
|
return 0;
|
|
}
|
|
return -ENODEV;
|
|
}
|
|
|
|
device_initcall(palmz72_pm_init);
|
|
#endif
|
|
|
|
static struct gpiod_lookup_table palmz72_mci_gpio_table = {
|
|
.dev_id = "pxa2xx-mci.0",
|
|
.table = {
|
|
GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_DETECT_N,
|
|
"cd", GPIO_ACTIVE_LOW),
|
|
GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_RO,
|
|
"wp", GPIO_ACTIVE_LOW),
|
|
GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_POWER_N,
|
|
"power", GPIO_ACTIVE_LOW),
|
|
{ },
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Machine init
|
|
******************************************************************************/
|
|
static void __init palmz72_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
|
|
palm27x_mmc_init(&palmz72_mci_gpio_table);
|
|
palm27x_lcd_init(-1, &palm_320x320_lcd_mode);
|
|
palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N,
|
|
GPIO_NR_PALMZ72_USB_PULLUP, 0);
|
|
palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE);
|
|
palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE,
|
|
-1, 113);
|
|
palm27x_pwm_init(-1, -1);
|
|
palm27x_power_init(-1, -1);
|
|
palm27x_pmic_init();
|
|
palmz72_kpc_init();
|
|
palmz72_leds_init();
|
|
}
|
|
|
|
MACHINE_START(PALMZ72, "Palm Zire72")
|
|
.atag_offset = 0x100,
|
|
.map_io = pxa27x_map_io,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa27x_init_irq,
|
|
.handle_irq = pxa27x_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.init_machine = palmz72_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|