提交 c49e1e63 编写于 作者: S Sergey Lapin 提交者: Russell King

[ARM] 5238/2: Very basic Palm Zire 72 support

This patch contains very basic support of Palm Zire 72.
Signed-off-by: NSergey Lapin <slapin@ossfans.org>
Acked-by: NEric Miao <eric.miao@marvell.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
上级 d9105c2b
......@@ -612,6 +612,12 @@ M: marek.vasut@gmail.com
W: http://hackndev.com
S: Maintained
ARM/PALMZ72 SUPPORT
P: Sergey Lapin
M: slapin@ossfans.org
W: http://hackndev.com
S: Maintained
ARM/PLEB SUPPORT
P: Peter Chubb
M: pleb@gelato.unsw.edu.au
......
此差异已折叠。
......@@ -236,6 +236,16 @@ config MACH_PALMTX
Say Y here if you intend to run this kernel on a Palm T|X
handheld computer.
config MACH_PALMZ72
bool "Palm Zire 72"
default y
depends on ARCH_PXA_PALM
select PXA27x
select IWMMXT
help
Say Y here if you intend to run this kernel on Palm Zire 72
handheld computer.
config MACH_PCM990_BASEBOARD
bool "PHYTEC PCM-990 development board"
select HAVE_PWM
......
......@@ -43,6 +43,7 @@ obj-$(CONFIG_MACH_E750) += e750_lcd.o
obj-$(CONFIG_MACH_E400) += e400_lcd.o
obj-$(CONFIG_MACH_E800) += e800_lcd.o
obj-$(CONFIG_MACH_PALMTX) += palmtx.o
obj-$(CONFIG_MACH_PALMZ72) += palmz72.o
ifeq ($(CONFIG_MACH_ZYLONITE),y)
obj-y += zylonite.o
......
/*
* GPIOs and interrupts for Palm Zire72 Handheld Computer
*
* Authors: Alex Osborne <bobofdoom@gmail.com>
* Jan Herman <2hp@seznam.cz>
* Sergey Lapin <slapin@ossfans.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.
*
*/
#ifndef _INCLUDE_PALMZ72_H_
#define _INCLUDE_PALMZ72_H_
/* Power and control */
#define GPIO_NR_PALMZ72_GPIO_RESET 1
#define GPIO_NR_PALMZ72_POWER_DETECT 0
/* SD/MMC */
#define GPIO_NR_PALMZ72_SD_DETECT_N 14
#define GPIO_NR_PALMZ72_SD_POWER_N 98
#define GPIO_NR_PALMZ72_SD_RO 115
/* Touchscreen */
#define GPIO_NR_PALMZ72_WM9712_IRQ 27
/* IRDA - disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */
#define GPIO_NR_PALMZ72_IR_DISABLE 49
/* USB */
#define GPIO_NR_PALMZ72_USB_DETECT_N 15
#define GPIO_NR_PALMZ72_USB_POWER 95
#define GPIO_NR_PALMZ72_USB_PULLUP 12
/* LCD/Backlight */
#define GPIO_NR_PALMZ72_BL_POWER 20
#define GPIO_NR_PALMZ72_LCD_POWER 96
/* LED */
#define GPIO_NR_PALMZ72_LED_GREEN 88
/* Bluetooth */
#define GPIO_NR_PALMZ72_BT_POWER 17
#define GPIO_NR_PALMZ72_BT_RESET 83
/** Initial values **/
/* Battery */
#define PALMZ72_BAT_MAX_VOLTAGE 4000 /* 4.00v current voltage */
#define PALMZ72_BAT_MIN_VOLTAGE 3550 /* 3.55v critical voltage */
#define PALMZ72_BAT_MAX_CURRENT 0 /* unknokn */
#define PALMZ72_BAT_MIN_CURRENT 0 /* unknown */
#define PALMZ72_BAT_MAX_CHARGE 1 /* unknown */
#define PALMZ72_BAT_MIN_CHARGE 1 /* unknown */
#define PALMZ72_MAX_LIFE_MINS 360 /* on-life in minutes */
/* Backlight */
#define PALMZ72_MAX_INTENSITY 0xFE
#define PALMZ72_DEFAULT_INTENSITY 0x7E
#define PALMZ72_LIMIT_MASK 0x7F
#define PALMZ72_PRESCALER 0x3F
#define PALMZ72_PERIOD_NS 3500
#endif
/*
* 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>
*
* 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/sysdev.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/power_supply.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/audio.h>
#include <mach/palmz72.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
#include <mach/pxa-regs.h>
#include <mach/pxa2xx-regs.h>
#include <mach/mfp-pxa27x.h>
#include <mach/irda.h>
#include <mach/pxa27x_keypad.h>
#include <mach/udc.h>
#include <mach/pm.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,
/* IrDA */
GPIO49_GPIO, /* ir disable */
GPIO46_FICP_RXD,
GPIO47_FICP_TXD,
/* PWM */
GPIO16_PWM0_OUT,
/* USB */
GPIO15_GPIO, /* usb detect */
GPIO12_GPIO, /* usb pullup */
GPIO95_GPIO, /* usb power */
/* 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 */
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,
GPIO20_GPIO, /* bl power */
GPIO21_GPIO, /* LCD border switch */
GPIO22_GPIO, /* LCD border color */
GPIO96_GPIO, /* lcd power */
/* Misc. */
GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */
GPIO88_GPIO, /* green led */
GPIO27_GPIO, /* WM9712 IRQ */
};
/******************************************************************************
* SD/MMC card controller
******************************************************************************/
static int palmz72_mci_init(struct device *dev,
irq_handler_t palmz72_detect_int, void *data)
{
int err = 0;
/* Setup an interrupt for detecting card insert/remove events */
err = gpio_request(GPIO_NR_PALMZ72_SD_DETECT_N, "SD IRQ");
if (err)
goto err;
err = gpio_direction_input(GPIO_NR_PALMZ72_SD_DETECT_N);
if (err)
goto err2;
err = request_irq(gpio_to_irq(GPIO_NR_PALMZ72_SD_DETECT_N),
palmz72_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;
}
/* SD_POWER is not actually power, but it is more like chip
* select, i.e. it is inverted */
err = gpio_request(GPIO_NR_PALMZ72_SD_POWER_N, "SD_POWER");
if (err)
goto err3;
err = gpio_direction_output(GPIO_NR_PALMZ72_SD_POWER_N, 0);
if (err)
goto err4;
err = gpio_request(GPIO_NR_PALMZ72_SD_RO, "SD_RO");
if (err)
goto err4;
err = gpio_direction_input(GPIO_NR_PALMZ72_SD_RO);
if (err)
goto err5;
printk(KERN_DEBUG "%s: irq registered\n", __func__);
return 0;
err5:
gpio_free(GPIO_NR_PALMZ72_SD_RO);
err4:
gpio_free(GPIO_NR_PALMZ72_SD_POWER_N);
err3:
free_irq(gpio_to_irq(GPIO_NR_PALMZ72_SD_DETECT_N), data);
err2:
gpio_free(GPIO_NR_PALMZ72_SD_DETECT_N);
err:
return err;
}
static void palmz72_mci_exit(struct device *dev, void *data)
{
gpio_free(GPIO_NR_PALMZ72_SD_POWER_N);
free_irq(gpio_to_irq(GPIO_NR_PALMZ72_SD_DETECT_N), data);
gpio_free(GPIO_NR_PALMZ72_SD_DETECT_N);
gpio_free(GPIO_NR_PALMZ72_SD_RO);
}
static void palmz72_mci_power(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data *p_d = dev->platform_data;
if (p_d->ocr_mask & (1 << vdd))
gpio_set_value(GPIO_NR_PALMZ72_SD_POWER_N, 0);
else
gpio_set_value(GPIO_NR_PALMZ72_SD_POWER_N, 1);
}
static int palmz72_mci_ro(struct device *dev)
{
return gpio_get_value(GPIO_NR_PALMZ72_SD_RO);
}
static struct pxamci_platform_data palmz72_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.setpower = palmz72_mci_power,
.get_ro = palmz72_mci_ro,
.init = palmz72_mci_init,
.exit = palmz72_mci_exit,
};
/******************************************************************************
* GPIO keyboard
******************************************************************************/
static 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 pxa27x_keypad_platform_data palmz72_keypad_platform_data = {
.matrix_key_rows = 4,
.matrix_key_cols = 3,
.matrix_key_map = palmz72_matrix_keys,
.matrix_key_map_size = ARRAY_SIZE(palmz72_matrix_keys),
.debounce_interval = 30,
};
/******************************************************************************
* Backlight
******************************************************************************/
static int palmz72_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(GPIO_NR_PALMZ72_BL_POWER, "BL POWER");
if (ret)
goto err;
ret = gpio_direction_output(GPIO_NR_PALMZ72_BL_POWER, 0);
if (ret)
goto err2;
ret = gpio_request(GPIO_NR_PALMZ72_LCD_POWER, "LCD POWER");
if (ret)
goto err2;
ret = gpio_direction_output(GPIO_NR_PALMZ72_LCD_POWER, 0);
if (ret)
goto err3;
return 0;
err3:
gpio_free(GPIO_NR_PALMZ72_LCD_POWER);
err2:
gpio_free(GPIO_NR_PALMZ72_BL_POWER);
err:
return ret;
}
static int palmz72_backlight_notify(int brightness)
{
gpio_set_value(GPIO_NR_PALMZ72_BL_POWER, brightness);
gpio_set_value(GPIO_NR_PALMZ72_LCD_POWER, brightness);
return brightness;
}
static void palmz72_backlight_exit(struct device *dev)
{
gpio_free(GPIO_NR_PALMZ72_BL_POWER);
gpio_free(GPIO_NR_PALMZ72_LCD_POWER);
}
static struct platform_pwm_backlight_data palmz72_backlight_data = {
.pwm_id = 0,
.max_brightness = PALMZ72_MAX_INTENSITY,
.dft_brightness = PALMZ72_MAX_INTENSITY,
.pwm_period_ns = PALMZ72_PERIOD_NS,
.init = palmz72_backlight_init,
.notify = palmz72_backlight_notify,
.exit = palmz72_backlight_exit,
};
static struct platform_device palmz72_backlight = {
.name = "pwm-backlight",
.dev = {
.parent = &pxa27x_device_pwm0.dev,
.platform_data = &palmz72_backlight_data,
},
};
/******************************************************************************
* IrDA
******************************************************************************/
static int palmz72_irda_startup(struct device *dev)
{
int err;
err = gpio_request(GPIO_NR_PALMZ72_IR_DISABLE, "IR DISABLE");
if (err)
goto err;
err = gpio_direction_output(GPIO_NR_PALMZ72_IR_DISABLE, 1);
if (err)
gpio_free(GPIO_NR_PALMZ72_IR_DISABLE);
err:
return err;
}
static void palmz72_irda_shutdown(struct device *dev)
{
gpio_free(GPIO_NR_PALMZ72_IR_DISABLE);
}
static void palmz72_irda_transceiver_mode(struct device *dev, int mode)
{
gpio_set_value(GPIO_NR_PALMZ72_IR_DISABLE, mode & IR_OFF);
pxa2xx_transceiver_mode(dev, mode);
}
static struct pxaficp_platform_data palmz72_ficp_platform_data = {
.startup = palmz72_irda_startup,
.shutdown = palmz72_irda_shutdown,
.transceiver_cap = IR_SIRMODE | IR_OFF,
.transceiver_mode = palmz72_irda_transceiver_mode,
};
/******************************************************************************
* LEDs
******************************************************************************/
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,
}
};
/******************************************************************************
* Power supply
******************************************************************************/
static int power_supply_init(struct device *dev)
{
int ret;
ret = gpio_request(GPIO_NR_PALMZ72_POWER_DETECT, "CABLE_STATE_AC");
if (ret)
goto err1;
ret = gpio_direction_input(GPIO_NR_PALMZ72_POWER_DETECT);
if (ret)
goto err2;
ret = gpio_request(GPIO_NR_PALMZ72_USB_DETECT_N, "CABLE_STATE_USB");
if (ret)
goto err2;
ret = gpio_direction_input(GPIO_NR_PALMZ72_USB_DETECT_N);
if (ret)
goto err3;
return 0;
err3:
gpio_free(GPIO_NR_PALMZ72_USB_DETECT_N);
err2:
gpio_free(GPIO_NR_PALMZ72_POWER_DETECT);
err1:
return ret;
}
static int palmz72_is_ac_online(void)
{
return gpio_get_value(GPIO_NR_PALMZ72_POWER_DETECT);
}
static int palmz72_is_usb_online(void)
{
return !gpio_get_value(GPIO_NR_PALMZ72_USB_DETECT_N);
}
static void power_supply_exit(struct device *dev)
{
gpio_free(GPIO_NR_PALMZ72_USB_DETECT_N);
gpio_free(GPIO_NR_PALMZ72_POWER_DETECT);
}
static char *palmz72_supplicants[] = {
"main-battery",
};
static struct pda_power_pdata power_supply_info = {
.init = power_supply_init,
.is_ac_online = palmz72_is_ac_online,
.is_usb_online = palmz72_is_usb_online,
.exit = power_supply_exit,
.supplied_to = palmz72_supplicants,
.num_supplicants = ARRAY_SIZE(palmz72_supplicants),
};
static struct platform_device power_supply = {
.name = "pda-power",
.id = -1,
.dev = {
.platform_data = &power_supply_info,
},
};
/******************************************************************************
* Framebuffer
******************************************************************************/
static struct pxafb_mode_info palmz72_lcd_modes[] = {
{
.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,
},
};
static struct pxafb_mach_info palmz72_lcd_screen = {
.modes = palmz72_lcd_modes,
.num_modes = ARRAY_SIZE(palmz72_lcd_modes),
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};
/******************************************************************************
* Machine init
******************************************************************************/
static struct platform_device *devices[] __initdata = {
&palmz72_backlight,
&palmz72_leds,
&power_supply,
};
static void __init palmz72_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
set_pxa_fb_info(&palmz72_lcd_screen);
pxa_set_mci_info(&palmz72_mci_platform_data);
pxa_set_ac97_info(NULL);
pxa_set_ficp_info(&palmz72_ficp_platform_data);
pxa_set_keypad_info(&palmz72_keypad_platform_data);
platform_add_devices(devices, ARRAY_SIZE(devices));
}
MACHINE_START(PALMZ72, "Palm Zire72")
.phys_io = 0x40000000,
.io_pg_offst = io_p2v(0x40000000),
.boot_params = 0xa0000100,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = palmz72_init
MACHINE_END
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