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[ARM] pxa: PalmLD initial support

Browse source 
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Marek Vasut 2008-11-20 22:50:46 +01:00 committed by Eric Miao
parent 0f6ff0f06c
commit a645072a60
5 changed files with 687 additions and 1 deletions
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2
MAINTAINERS
View file

@ -622,7 +622,7 @@ P: Dirk Opfer
M: dirk@opfer-online.de
S: Maintained
ARM/PALMTX,PALMT5 SUPPORT
ARM/PALMTX,PALMT5,PALMLD SUPPORT
P: Marek Vasut
M: marek.vasut@gmail.com
W: http://hackndev.com

10
arch/arm/mach-pxa/Kconfig
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@ -349,6 +349,16 @@ config MACH_PALMZ72
Say Y here if you intend to run this kernel on Palm Zire 72
handheld computer.
config MACH_PALMLD
bool "Palm LifeDrive"
default y
depends on ARCH_PXA_PALM
select PXA27x
select IWMMXT
help
Say Y here if you intend to run this kernel on a Palm LifeDrive
handheld computer.
config MACH_PCM990_BASEBOARD
bool "PHYTEC PCM-990 development board"
select HAVE_PWM

1
arch/arm/mach-pxa/Makefile
View file

@ -55,6 +55,7 @@ obj-$(CONFIG_MACH_E400) += e400.o
obj-$(CONFIG_MACH_E800) += e800.o
obj-$(CONFIG_MACH_PALMT5) += palmt5.o
obj-$(CONFIG_MACH_PALMTX) += palmtx.o
obj-$(CONFIG_MACH_PALMLD) += palmld.o
obj-$(CONFIG_MACH_PALMZ72) += palmz72.o
obj-$(CONFIG_ARCH_VIPER) += viper.o

109
arch/arm/mach-pxa/include/mach/palmld.h Normal file
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@ -0,0 +1,109 @@
/*
* GPIOs and interrupts for Palm LifeDrive Handheld Computer
*
* Authors: Alex Osborne <ato@meshy.org>
* 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.
*
*/
#ifndef _INCLUDE_PALMLD_H_
#define _INCLUDE_PALMLD_H_
/** HERE ARE GPIOs **/
/* GPIOs */
#define GPIO_NR_PALMLD_GPIO_RESET 1
#define GPIO_NR_PALMLD_POWER_DETECT 4
#define GPIO_NR_PALMLD_HOTSYNC_BUTTON_N 10
#define GPIO_NR_PALMLD_POWER_SWITCH 12
#define GPIO_NR_PALMLD_EARPHONE_DETECT 13
#define GPIO_NR_PALMLD_LOCK_SWITCH 15
/* SD/MMC */
#define GPIO_NR_PALMLD_SD_DETECT_N 14
#define GPIO_NR_PALMLD_SD_POWER 114
#define GPIO_NR_PALMLD_SD_READONLY 116
/* TOUCHSCREEN */
#define GPIO_NR_PALMLD_WM9712_IRQ 27
/* IRDA */
#define GPIO_NR_PALMLD_IR_DISABLE 108
/* LCD/BACKLIGHT */
#define GPIO_NR_PALMLD_BL_POWER 19
#define GPIO_NR_PALMLD_LCD_POWER 96
/* LCD BORDER */
#define GPIO_NR_PALMLD_BORDER_SWITCH 21
#define GPIO_NR_PALMLD_BORDER_SELECT 22
/* BLUETOOTH */
#define GPIO_NR_PALMLD_BT_POWER 17
#define GPIO_NR_PALMLD_BT_RESET 83
/* PCMCIA (WiFi) */
#define GPIO_NR_PALMLD_PCMCIA_READY 38
#define GPIO_NR_PALMLD_PCMCIA_POWER 36
#define GPIO_NR_PALMLD_PCMCIA_RESET 81
/* LEDs */
#define GPIO_NR_PALMLD_LED_GREEN 52
#define GPIO_NR_PALMLD_LED_AMBER 94
/* IDE */
#define GPIO_NR_PALMLD_IDE_IRQ 95
#define GPIO_NR_PALMLD_IDE_RESET 98
#define GPIO_NR_PALMLD_IDE_PWEN 115
/* USB */
#define GPIO_NR_PALMLD_USB_DETECT_N 3
#define GPIO_NR_PALMLD_USB_READY 86
#define GPIO_NR_PALMLD_USB_RESET 88
#define GPIO_NR_PALMLD_USB_INT 106
#define GPIO_NR_PALMLD_USB_POWER 118
/* 20, 53 and 86 are usb related too */
/* INTERRUPTS */
#define IRQ_GPIO_PALMLD_GPIO_RESET IRQ_GPIO(GPIO_NR_PALMLD_GPIO_RESET)
#define IRQ_GPIO_PALMLD_SD_DETECT_N IRQ_GPIO(GPIO_NR_PALMLD_SD_DETECT_N)
#define IRQ_GPIO_PALMLD_WM9712_IRQ IRQ_GPIO(GPIO_NR_PALMLD_WM9712_IRQ)
#define IRQ_GPIO_PALMLD_IDE_IRQ IRQ_GPIO(GPIO_NR_PALMLD_IDE_IRQ)
/** HERE ARE INIT VALUES **/
/* IO mappings */
#define PALMLD_USB_PHYS PXA_CS2_PHYS
#define PALMLD_USB_VIRT 0xf0000000
#define PALMLD_USB_SIZE 0x00100000
#define PALMLD_IDE_PHYS 0x20000000
#define PALMLD_IDE_VIRT 0xf1000000
#define PALMLD_IDE_SIZE 0x00100000
#define PALMLD_PHYS_IO_START 0x40000000
/* BATTERY */
#define PALMLD_BAT_MAX_VOLTAGE 4000 /* 4.00V maximum voltage */
#define PALMLD_BAT_MIN_VOLTAGE 3550 /* 3.55V critical voltage */
#define PALMLD_BAT_MAX_CURRENT 0 /* unknokn */
#define PALMLD_BAT_MIN_CURRENT 0 /* unknown */
#define PALMLD_BAT_MAX_CHARGE 1 /* unknown */
#define PALMLD_BAT_MIN_CHARGE 1 /* unknown */
#define PALMLD_MAX_LIFE_MINS 240 /* on-life in minutes */
#define PALMLD_BAT_MEASURE_DELAY (HZ * 1)
/* BACKLIGHT */
#define PALMLD_MAX_INTENSITY 0xFE
#define PALMLD_DEFAULT_INTENSITY 0x7E
#define PALMLD_LIMIT_MASK 0x7F
#define PALMLD_PRESCALER 0x3F
#define PALMLD_PERIOD_NS 3500
#endif

566
arch/arm/mach-pxa/palmld.c Normal file
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@ -0,0 +1,566 @@
/*
* Hardware definitions for Palm LifeDrive
*
* Author: Marek Vasut <marek.vasut@gmail.com>
*
* Based on work of:
* Alex Osborne <ato@meshy.org>
*
* 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/palmld.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/palmasoc.h>
#include "generic.h"
#include "devices.h"
/******************************************************************************
* Pin configuration
******************************************************************************/
static unsigned long palmld_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 */
GPIO114_GPIO, /* SD power */
GPIO116_GPIO, /* SD r/o switch */
/* AC97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
/* IrDA */
GPIO108_GPIO, /* ir disable */
GPIO46_FICP_RXD,
GPIO47_FICP_TXD,
/* MATRIX KEYPAD */
GPIO100_KP_MKIN_0,
GPIO101_KP_MKIN_1,
GPIO102_KP_MKIN_2,
GPIO97_KP_MKIN_3,
GPIO103_KP_MKOUT_0,
GPIO104_KP_MKOUT_1,
GPIO105_KP_MKOUT_2,
/* LCD */
GPIO58_LCD_LDD_0,
GPIO59_LCD_LDD_1,
GPIO60_LCD_LDD_2,
GPIO61_LCD_LDD_3,
GPIO62_LCD_LDD_4,
GPIO63_LCD_LDD_5,
GPIO64_LCD_LDD_6,
GPIO65_LCD_LDD_7,
GPIO66_LCD_LDD_8,
GPIO67_LCD_LDD_9,
GPIO68_LCD_LDD_10,
GPIO69_LCD_LDD_11,
GPIO70_LCD_LDD_12,
GPIO71_LCD_LDD_13,
GPIO72_LCD_LDD_14,
GPIO73_LCD_LDD_15,
GPIO74_LCD_FCLK,
GPIO75_LCD_LCLK,
GPIO76_LCD_PCLK,
GPIO77_LCD_BIAS,
/* PWM */
GPIO16_PWM0_OUT,
/* GPIO KEYS */
GPIO10_GPIO, /* hotsync button */
GPIO12_GPIO, /* power switch */
GPIO15_GPIO, /* lock switch */
/* LEDs */
GPIO52_GPIO, /* green led */
GPIO94_GPIO, /* orange led */
/* PCMCIA */
GPIO48_nPOE,
GPIO49_nPWE,
GPIO50_nPIOR,
GPIO51_nPIOW,
GPIO85_nPCE_1,
GPIO54_nPCE_2,
GPIO79_PSKTSEL,
GPIO55_nPREG,
GPIO56_nPWAIT,
GPIO57_nIOIS16,
GPIO36_GPIO, /* wifi power */
GPIO38_GPIO, /* wifi ready */
GPIO81_GPIO, /* wifi reset */
/* HDD */
GPIO95_GPIO, /* HDD irq */
GPIO115_GPIO, /* HDD power */
/* MISC */
GPIO13_GPIO, /* earphone detect */
};
/******************************************************************************
* SD/MMC card controller
******************************************************************************/
static int palmld_mci_init(struct device *dev, irq_handler_t palmld_detect_int,
void *data)
{
int err = 0;
/* Setup an interrupt for detecting card insert/remove events */
err = gpio_request(GPIO_NR_PALMLD_SD_DETECT_N, "SD IRQ");
if (err)
goto err;
err = gpio_direction_input(GPIO_NR_PALMLD_SD_DETECT_N);
if (err)
goto err2;
err = request_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N),
palmld_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__);
goto err2;
}
err = gpio_request(GPIO_NR_PALMLD_SD_POWER, "SD_POWER");
if (err)
goto err3;
err = gpio_direction_output(GPIO_NR_PALMLD_SD_POWER, 0);
if (err)
goto err4;
err = gpio_request(GPIO_NR_PALMLD_SD_READONLY, "SD_READONLY");
if (err)
goto err4;
err = gpio_direction_input(GPIO_NR_PALMLD_SD_READONLY);
if (err)
goto err5;
printk(KERN_DEBUG "%s: irq registered\n", __func__);
return 0;
err5:
gpio_free(GPIO_NR_PALMLD_SD_READONLY);
err4:
gpio_free(GPIO_NR_PALMLD_SD_POWER);
err3:
free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
err2:
gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
err:
return err;
}
static void palmld_mci_exit(struct device *dev, void *data)
{
gpio_free(GPIO_NR_PALMLD_SD_READONLY);
gpio_free(GPIO_NR_PALMLD_SD_POWER);
free_irq(gpio_to_irq(GPIO_NR_PALMLD_SD_DETECT_N), data);
gpio_free(GPIO_NR_PALMLD_SD_DETECT_N);
}
static void palmld_mci_power(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data *p_d = dev->platform_data;
gpio_set_value(GPIO_NR_PALMLD_SD_POWER, p_d->ocr_mask & (1 << vdd));
}
static int palmld_mci_get_ro(struct device *dev)
{
return gpio_get_value(GPIO_NR_PALMLD_SD_READONLY);
}
static struct pxamci_platform_data palmld_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.setpower = palmld_mci_power,
.get_ro = palmld_mci_get_ro,
.init = palmld_mci_init,
.exit = palmld_mci_exit,
};
/******************************************************************************
* GPIO keyboard
******************************************************************************/
static unsigned int palmld_matrix_keys[] = {
KEY(0, 1, KEY_F2),
KEY(0, 2, KEY_UP),
KEY(1, 0, KEY_F3),
KEY(1, 1, KEY_F4),
KEY(1, 2, KEY_RIGHT),
KEY(2, 0, KEY_F1),
KEY(2, 1, KEY_F5),
KEY(2, 2, KEY_DOWN),
KEY(3, 0, KEY_F6),
KEY(3, 1, KEY_ENTER),
KEY(3, 2, KEY_LEFT),
};
static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
.matrix_key_rows = 4,
.matrix_key_cols = 3,
.matrix_key_map = palmld_matrix_keys,
.matrix_key_map_size = ARRAY_SIZE(palmld_matrix_keys),
.debounce_interval = 30,
};
/******************************************************************************
* GPIO keys
******************************************************************************/
static struct gpio_keys_button palmld_pxa_buttons[] = {
{KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
{KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
{KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
};
static struct gpio_keys_platform_data palmld_pxa_keys_data = {
.buttons = palmld_pxa_buttons,
.nbuttons = ARRAY_SIZE(palmld_pxa_buttons),
};
static struct platform_device palmld_pxa_keys = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &palmld_pxa_keys_data,
},
};
/******************************************************************************
* Backlight
******************************************************************************/
static int palmld_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(GPIO_NR_PALMLD_BL_POWER, "BL POWER");
if (ret)
goto err;
ret = gpio_direction_output(GPIO_NR_PALMLD_BL_POWER, 0);
if (ret)
goto err2;
ret = gpio_request(GPIO_NR_PALMLD_LCD_POWER, "LCD POWER");
if (ret)
goto err2;
ret = gpio_direction_output(GPIO_NR_PALMLD_LCD_POWER, 0);
if (ret)
goto err3;
return 0;
err3:
gpio_free(GPIO_NR_PALMLD_LCD_POWER);
err2:
gpio_free(GPIO_NR_PALMLD_BL_POWER);
err:
return ret;
}
static int palmld_backlight_notify(int brightness)
{
gpio_set_value(GPIO_NR_PALMLD_BL_POWER, brightness);
gpio_set_value(GPIO_NR_PALMLD_LCD_POWER, brightness);
return brightness;
}
static void palmld_backlight_exit(struct device *dev)
{
gpio_free(GPIO_NR_PALMLD_BL_POWER);
gpio_free(GPIO_NR_PALMLD_LCD_POWER);
}
static struct platform_pwm_backlight_data palmld_backlight_data = {
.pwm_id = 0,
.max_brightness = PALMLD_MAX_INTENSITY,
.dft_brightness = PALMLD_MAX_INTENSITY,
.pwm_period_ns = PALMLD_PERIOD_NS,
.init = palmld_backlight_init,
.notify = palmld_backlight_notify,
.exit = palmld_backlight_exit,
};
static struct platform_device palmld_backlight = {
.name = "pwm-backlight",
.dev = {
.parent = &pxa27x_device_pwm0.dev,
.platform_data = &palmld_backlight_data,
},
};
/******************************************************************************
* IrDA
******************************************************************************/
static int palmld_irda_startup(struct device *dev)
{
int err;
err = gpio_request(GPIO_NR_PALMLD_IR_DISABLE, "IR DISABLE");
if (err)
goto err;
err = gpio_direction_output(GPIO_NR_PALMLD_IR_DISABLE, 1);
if (err)
gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
err:
return err;
}
static void palmld_irda_shutdown(struct device *dev)
{
gpio_free(GPIO_NR_PALMLD_IR_DISABLE);
}
static void palmld_irda_transceiver_mode(struct device *dev, int mode)
{
gpio_set_value(GPIO_NR_PALMLD_IR_DISABLE, mode & IR_OFF);
pxa2xx_transceiver_mode(dev, mode);
}
static struct pxaficp_platform_data palmld_ficp_platform_data = {
.startup = palmld_irda_startup,
.shutdown = palmld_irda_shutdown,
.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
.transceiver_mode = palmld_irda_transceiver_mode,
};
/******************************************************************************
* LEDs
******************************************************************************/
struct gpio_led gpio_leds[] = {
{
.name = "palmld:green:led",
.default_trigger = "none",
.gpio = GPIO_NR_PALMLD_LED_GREEN,
}, {
.name = "palmld:amber:led",
.default_trigger = "none",
.gpio = GPIO_NR_PALMLD_LED_AMBER,
},
};
static struct gpio_led_platform_data gpio_led_info = {
.leds = gpio_leds,
.num_leds = ARRAY_SIZE(gpio_leds),
};
static struct platform_device palmld_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &gpio_led_info,
}
};
/******************************************************************************
* Power supply
******************************************************************************/
static int power_supply_init(struct device *dev)
{
int ret;
ret = gpio_request(GPIO_NR_PALMLD_POWER_DETECT, "CABLE_STATE_AC");
if (ret)
goto err1;
ret = gpio_direction_input(GPIO_NR_PALMLD_POWER_DETECT);
if (ret)
goto err2;
ret = gpio_request(GPIO_NR_PALMLD_USB_DETECT_N, "CABLE_STATE_USB");
if (ret)
goto err2;
ret = gpio_direction_input(GPIO_NR_PALMLD_USB_DETECT_N);
if (ret)
goto err3;
return 0;
err3:
gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
err2:
gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
err1:
return ret;
}
static int palmld_is_ac_online(void)
{
return gpio_get_value(GPIO_NR_PALMLD_POWER_DETECT);
}
static int palmld_is_usb_online(void)
{
return !gpio_get_value(GPIO_NR_PALMLD_USB_DETECT_N);
}
static void power_supply_exit(struct device *dev)
{
gpio_free(GPIO_NR_PALMLD_USB_DETECT_N);
gpio_free(GPIO_NR_PALMLD_POWER_DETECT);
}
static char *palmld_supplicants[] = {
"main-battery",
};
static struct pda_power_pdata power_supply_info = {
.init = power_supply_init,
.is_ac_online = palmld_is_ac_online,
.is_usb_online = palmld_is_usb_online,
.exit = power_supply_exit,
.supplied_to = palmld_supplicants,
.num_supplicants = ARRAY_SIZE(palmld_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 = PALMLD_BAT_MAX_VOLTAGE,
.min_voltage = PALMLD_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",
};
/******************************************************************************
* aSoC audio
******************************************************************************/
static struct palm27x_asoc_info palm27x_asoc_pdata = {
.jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT,
};
/******************************************************************************
* Framebuffer
******************************************************************************/
static struct pxafb_mode_info palmld_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 palmld_lcd_screen = {
.modes = palmld_lcd_modes,
.num_modes = ARRAY_SIZE(palmld_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)
&palmld_pxa_keys,
#endif
&palmld_backlight,
&palmld_leds,
&power_supply,
};
static struct map_desc palmld_io_desc[] __initdata = {
{
.virtual = PALMLD_IDE_VIRT,
.pfn = __phys_to_pfn(PALMLD_IDE_PHYS),
.length = PALMLD_IDE_SIZE,
.type = MT_DEVICE
},
{
.virtual = PALMLD_USB_VIRT,
.pfn = __phys_to_pfn(PALMLD_USB_PHYS),
.length = PALMLD_USB_SIZE,
.type = MT_DEVICE
},
};
static void __init palmld_map_io(void)
{
pxa_map_io();
iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
}
static void __init palmld_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
set_pxa_fb_info(&palmld_lcd_screen);
pxa_set_mci_info(&palmld_mci_platform_data);
pxa_set_ac97_info(NULL);
pxa_set_ficp_info(&palmld_ficp_platform_data);
pxa_set_keypad_info(&palmld_keypad_platform_data);
wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
palm27x_asoc_set_pdata(&palm27x_asoc_pdata);
platform_add_devices(devices, ARRAY_SIZE(devices));
}
MACHINE_START(PALMLD, "Palm LifeDrive")
.phys_io = PALMLD_PHYS_IO_START,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.boot_params = 0xa0000100,
.map_io = palmld_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = palmld_init
MACHINE_END