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Commit 5d783a2d authored by Marek Vasut's avatar Marek Vasut Committed by Eric Miao
Browse files

[ARM] pxa: Palm Tungsten|C initial support 



This patch adds basic support for Palm Tungsten|C handheld.

Signed-off-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: default avatarEric Miao <eric.y.miao@gmail.com>
parent 91cf6a97

MAINTAINERS

+3 −2
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@@ -706,8 +706,9 @@ M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> 
M:	Dirk Opfer <dirk@opfer-online.de>

S:	Maintained



ARM/PALMTX,PALMT5,PALMLD,PALMTE2 SUPPORT

M:	Marek Vasut <marek.vasut@gmail.com>

ARM/PALMTX,PALMT5,PALMLD,PALMTE2,PALMTC SUPPORT

P:	Marek Vasut

M:	marek.vasut@gmail.com

W:	http://hackndev.com

S:	Maintained

arch/arm/mach-pxa/Kconfig

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@@ -376,6 +376,15 @@ config MACH_PALMTE2 
	  Say Y here if you intend to run this kernel on a Palm Tungsten|E2

	  handheld computer.



config MACH_PALMTC

	bool "Palm Tungsten|C"

	default y

	depends on ARCH_PXA_PALM

	select PXA25x

	help

	  Say Y here if you intend to run this kernel on a Palm Tungsten|C

	  handheld computer.



config MACH_PALMT5

	bool "Palm Tungsten|T5"

	default y

arch/arm/mach-pxa/Makefile

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@@ -58,6 +58,7 @@ obj-$(CONFIG_MACH_E750) += e750.o 
obj-$(CONFIG_MACH_E400)		+= e400.o

obj-$(CONFIG_MACH_E800)		+= e800.o

obj-$(CONFIG_MACH_PALMTE2)	+= palmte2.o

obj-$(CONFIG_MACH_PALMTC)	+= palmtc.o

obj-$(CONFIG_MACH_PALMT5)	+= palmt5.o

obj-$(CONFIG_MACH_PALMTX)	+= palmtx.o

obj-$(CONFIG_MACH_PALMLD)	+= palmld.o

arch/arm/mach-pxa/include/mach/palmtc.h

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/*

 * linux/include/asm-arm/arch-pxa/palmtc-gpio.h

 *

 * GPIOs and interrupts for Palm Tungsten|C Handheld Computer

 *

 * Authors:	Alex Osborne <bobofdoom@gmail.com>

 *		Marek Vasut <marek.vasut@gmail.com>

 *		Holger Bocklet <bitz.email@gmx.net>

 *

 * 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_PALMTC_H_

#define _INCLUDE_PALMTC_H_



/** HERE ARE GPIOs **/



/* GPIOs */

#define GPIO_NR_PALMTC_EARPHONE_DETECT	2

#define GPIO_NR_PALMTC_CRADLE_DETECT	5

#define GPIO_NR_PALMTC_HOTSYNC_BUTTON	7



/* SD/MMC */

#define GPIO_NR_PALMTC_SD_DETECT_N	12

#define GPIO_NR_PALMTC_SD_POWER		32

#define GPIO_NR_PALMTC_SD_READONLY	54



/* WLAN */

#define GPIO_NR_PALMTC_PCMCIA_READY	13

#define GPIO_NR_PALMTC_PCMCIA_PWRREADY	14

#define GPIO_NR_PALMTC_PCMCIA_POWER1	15

#define GPIO_NR_PALMTC_PCMCIA_POWER2	33

#define GPIO_NR_PALMTC_PCMCIA_POWER3	55

#define GPIO_NR_PALMTC_PCMCIA_RESET	78



/* UDC */

#define GPIO_NR_PALMTC_USB_DETECT_N	4

#define GPIO_NR_PALMTC_USB_POWER	36



/* LCD/BACKLIGHT */

#define GPIO_NR_PALMTC_BL_POWER		16

#define GPIO_NR_PALMTC_LCD_POWER	44

#define GPIO_NR_PALMTC_LCD_BLANK	38



/* UART */

#define GPIO_NR_PALMTC_RS232_POWER	37



/* IRDA */

#define GPIO_NR_PALMTC_IR_DISABLE	45



/* IRQs */

#define IRQ_GPIO_PALMTC_SD_DETECT_N	IRQ_GPIO(GPIO_NR_PALMTC_SD_DETECT_N)

#define IRQ_GPIO_PALMTC_WLAN_READY	IRQ_GPIO(GPIO_NR_PALMTC_WLAN_READY)



/* UCB1400 GPIOs */

#define GPIO_NR_PALMTC_POWER_DETECT	(0x80 | 0x00)

#define GPIO_NR_PALMTC_HEADPHONE_DETECT	(0x80 | 0x01)

#define GPIO_NR_PALMTC_SPEAKER_ENABLE	(0x80 | 0x03)

#define GPIO_NR_PALMTC_VIBRA_POWER	(0x80 | 0x05)

#define GPIO_NR_PALMTC_LED_POWER	(0x80 | 0x07)



/** HERE ARE INIT VALUES **/

#define PALMTC_UCB1400_GPIO_OFFSET	0x80



/* BATTERY */

#define PALMTC_BAT_MAX_VOLTAGE		4000	/* 4.00V maximum voltage */

#define PALMTC_BAT_MIN_VOLTAGE		3550	/* 3.55V critical voltage */

#define PALMTC_BAT_MAX_CURRENT		0	/* unknokn */

#define PALMTC_BAT_MIN_CURRENT		0	/* unknown */

#define PALMTC_BAT_MAX_CHARGE		1	/* unknown */

#define PALMTC_BAT_MIN_CHARGE		1	/* unknown */

#define PALMTC_MAX_LIFE_MINS		240	/* on-life in minutes */



#define PALMTC_BAT_MEASURE_DELAY	(HZ * 1)



/* BACKLIGHT */

#define PALMTC_MAX_INTENSITY		0xFE

#define PALMTC_DEFAULT_INTENSITY	0x7E

#define PALMTC_LIMIT_MASK		0x7F

#define PALMTC_PRESCALER		0x3F

#define PALMTC_PERIOD_NS		3500



#endif

arch/arm/mach-pxa/palmtc.c

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/*

 * linux/arch/arm/mach-pxa/palmtc.c

 *

 * Support for the Palm Tungsten|C

 *

 * Author:	Marek Vasut <marek.vasut@gmail.com>

 *

 * Based on work of:

 *		Petr Blaha <p3t3@centrum.cz>

 *		Chetan S. Kumar <shivakumar.chetan@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/input.h>

#include <linux/pwm_backlight.h>

#include <linux/gpio.h>

#include <linux/input/matrix_keypad.h>

#include <linux/ucb1400.h>

#include <linux/power_supply.h>

#include <linux/gpio_keys.h>

#include <linux/mtd/physmap.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <asm/mach/map.h>



#include <mach/audio.h>

#include <mach/palmtc.h>

#include <mach/mmc.h>

#include <mach/pxafb.h>

#include <mach/mfp-pxa25x.h>

#include <mach/irda.h>

#include <mach/udc.h>

#include <mach/pxa2xx-regs.h>



#include "generic.h"

#include "devices.h"



/******************************************************************************

 * Pin configuration

 ******************************************************************************/

static unsigned long palmtc_pin_config[] __initdata = {

	/* MMC */

	GPIO6_MMC_CLK,

	GPIO8_MMC_CS0,

	GPIO12_GPIO,	/* detect */

	GPIO32_GPIO,	/* power */

	GPIO54_GPIO,	/* r/o switch */



	/* PCMCIA */

	GPIO52_nPCE_1,

	GPIO53_nPCE_2,

	GPIO50_nPIOR,

	GPIO51_nPIOW,

	GPIO49_nPWE,

	GPIO48_nPOE,

	GPIO52_nPCE_1,

	GPIO53_nPCE_2,

	GPIO57_nIOIS16,

	GPIO56_nPWAIT,



	/* AC97 */

	GPIO28_AC97_BITCLK,

	GPIO29_AC97_SDATA_IN_0,

	GPIO30_AC97_SDATA_OUT,

	GPIO31_AC97_SYNC,



	/* IrDA */

	GPIO45_GPIO,	/* ir disable */

	GPIO46_FICP_RXD,

	GPIO47_FICP_TXD,



	/* PWM */

	GPIO17_PWM1_OUT,



	/* USB */

	GPIO4_GPIO,	/* detect */

	GPIO36_GPIO,	/* pullup */



	/* 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,



	/* MATRIX KEYPAD */

	GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,	/* in 0 */

	GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH,	/* in 1 */

	GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH,	/* in 2 */

	GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,	/* in 3 */

	GPIO18_GPIO | MFP_LPM_DRIVE_LOW,	/* out 0 */

	GPIO19_GPIO | MFP_LPM_DRIVE_LOW,	/* out 1 */

	GPIO20_GPIO | MFP_LPM_DRIVE_LOW,	/* out 2 */

	GPIO21_GPIO | MFP_LPM_DRIVE_LOW,	/* out 3 */

	GPIO22_GPIO | MFP_LPM_DRIVE_LOW,	/* out 4 */

	GPIO23_GPIO | MFP_LPM_DRIVE_LOW,	/* out 5 */

	GPIO24_GPIO | MFP_LPM_DRIVE_LOW,	/* out 6 */

	GPIO25_GPIO | MFP_LPM_DRIVE_LOW,	/* out 7 */

	GPIO26_GPIO | MFP_LPM_DRIVE_LOW,	/* out 8 */

	GPIO27_GPIO | MFP_LPM_DRIVE_LOW,	/* out 9 */

	GPIO79_GPIO | MFP_LPM_DRIVE_LOW,	/* out 10 */

	GPIO80_GPIO | MFP_LPM_DRIVE_LOW,	/* out 11 */



	/* PXA GPIO KEYS */

	GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH,	/* hotsync button on cradle */



	/* MISC */

	GPIO1_RST,	/* reset */

	GPIO2_GPIO,	/* earphone detect */

	GPIO16_GPIO,	/* backlight switch */

};



/******************************************************************************

 * SD/MMC card controller

 ******************************************************************************/

static struct pxamci_platform_data palmtc_mci_platform_data = {

	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,

	.gpio_power		= GPIO_NR_PALMTC_SD_POWER,

	.gpio_card_ro		= GPIO_NR_PALMTC_SD_READONLY,

	.gpio_card_detect	= GPIO_NR_PALMTC_SD_DETECT_N,

	.detect_delay		= 20,

};



/******************************************************************************

 * GPIO keys

 ******************************************************************************/

static struct gpio_keys_button palmtc_pxa_buttons[] = {

	{KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},

};



static struct gpio_keys_platform_data palmtc_pxa_keys_data = {

	.buttons	= palmtc_pxa_buttons,

	.nbuttons	= ARRAY_SIZE(palmtc_pxa_buttons),

};



static struct platform_device palmtc_pxa_keys = {

	.name	= "gpio-keys",

	.id	= -1,

	.dev	= {

		.platform_data = &palmtc_pxa_keys_data,

	},

};



/******************************************************************************

 * Backlight

 ******************************************************************************/

static int palmtc_backlight_init(struct device *dev)

{

	int ret;



	ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER");

	if (ret)

		goto err;

	ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1);

	if (ret)

		goto err2;



	return 0;



err2:

	gpio_free(GPIO_NR_PALMTC_BL_POWER);

err:

	return ret;

}



static int palmtc_backlight_notify(int brightness)

{

	/* backlight is on when GPIO16 AF0 is high */

	gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness);

	return brightness;

}



static void palmtc_backlight_exit(struct device *dev)

{

	gpio_free(GPIO_NR_PALMTC_BL_POWER);

}



static struct platform_pwm_backlight_data palmtc_backlight_data = {

	.pwm_id		= 1,

	.max_brightness	= PALMTC_MAX_INTENSITY,

	.dft_brightness	= PALMTC_MAX_INTENSITY,

	.pwm_period_ns	= PALMTC_PERIOD_NS,

	.init		= palmtc_backlight_init,

	.notify		= palmtc_backlight_notify,

	.exit		= palmtc_backlight_exit,

};



static struct platform_device palmtc_backlight = {

	.name	= "pwm-backlight",

	.dev	= {

		.parent		= &pxa25x_device_pwm1.dev,

		.platform_data	= &palmtc_backlight_data,

	},

};



/******************************************************************************

 * IrDA

 ******************************************************************************/

static int palmtc_irda_startup(struct device *dev)

{

	int err;

	err = gpio_request(GPIO_NR_PALMTC_IR_DISABLE, "IR DISABLE");

	if (err)

		goto err;

	err = gpio_direction_output(GPIO_NR_PALMTC_IR_DISABLE, 1);

	if (err)

		gpio_free(GPIO_NR_PALMTC_IR_DISABLE);

err:

	return err;

}



static void palmtc_irda_shutdown(struct device *dev)

{

	gpio_free(GPIO_NR_PALMTC_IR_DISABLE);

}



static void palmtc_irda_transceiver_mode(struct device *dev, int mode)

{

	gpio_set_value(GPIO_NR_PALMTC_IR_DISABLE, mode & IR_OFF);

	pxa2xx_transceiver_mode(dev, mode);

}



static struct pxaficp_platform_data palmtc_ficp_platform_data = {

	.startup		= palmtc_irda_startup,

	.shutdown		= palmtc_irda_shutdown,

	.transceiver_cap	= IR_SIRMODE | IR_FIRMODE | IR_OFF,

	.transceiver_mode	= palmtc_irda_transceiver_mode,

};



/******************************************************************************

 * Keyboard

 ******************************************************************************/

static const uint32_t palmtc_matrix_keys[] = {

	KEY(0, 0, KEY_F1),

	KEY(0, 1, KEY_X),

	KEY(0, 2, KEY_POWER),

	KEY(0, 3, KEY_TAB),

	KEY(0, 4, KEY_A),

	KEY(0, 5, KEY_Q),

	KEY(0, 6, KEY_LEFTSHIFT),

	KEY(0, 7, KEY_Z),

	KEY(0, 8, KEY_S),

	KEY(0, 9, KEY_W),

	KEY(0, 10, KEY_E),

	KEY(0, 11, KEY_UP),



	KEY(1, 0, KEY_F2),

	KEY(1, 1, KEY_DOWN),

	KEY(1, 3, KEY_D),

	KEY(1, 4, KEY_C),

	KEY(1, 5, KEY_F),

	KEY(1, 6, KEY_R),

	KEY(1, 7, KEY_SPACE),

	KEY(1, 8, KEY_V),

	KEY(1, 9, KEY_G),

	KEY(1, 10, KEY_T),

	KEY(1, 11, KEY_LEFT),



	KEY(2, 0, KEY_F3),

	KEY(2, 1, KEY_LEFTCTRL),

	KEY(2, 3, KEY_H),

	KEY(2, 4, KEY_Y),

	KEY(2, 5, KEY_N),

	KEY(2, 6, KEY_J),

	KEY(2, 7, KEY_U),

	KEY(2, 8, KEY_M),

	KEY(2, 9, KEY_K),

	KEY(2, 10, KEY_I),

	KEY(2, 11, KEY_RIGHT),



	KEY(3, 0, KEY_F4),

	KEY(3, 1, KEY_ENTER),

	KEY(3, 3, KEY_DOT),

	KEY(3, 4, KEY_L),

	KEY(3, 5, KEY_O),

	KEY(3, 6, KEY_LEFTALT),

	KEY(3, 7, KEY_ENTER),

	KEY(3, 8, KEY_BACKSPACE),

	KEY(3, 9, KEY_P),

	KEY(3, 10, KEY_B),

	KEY(3, 11, KEY_FN),

};



const struct matrix_keymap_data palmtc_keymap_data = {

	.keymap			= palmtc_matrix_keys,

	.keymap_size		= ARRAY_SIZE(palmtc_matrix_keys),

};



const static unsigned int palmtc_keypad_row_gpios[] = {

	0, 9, 10, 11

};



const static unsigned int palmtc_keypad_col_gpios[] = {

	18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80

};



static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {

	.keymap_data	= &palmtc_keymap_data,

	.col_gpios	= palmtc_keypad_row_gpios,

	.num_col_gpios	= 12,

	.row_gpios	= palmtc_keypad_col_gpios,

	.num_row_gpios	= 4,

	.active_low	= 1,



	.debounce_ms		= 20,

	.col_scan_delay_us	= 5,

};



static struct platform_device palmtc_keyboard = {

	.name	= "matrix-keypad",

	.id	= -1,

	.dev	= {

		.platform_data = &palmtc_keypad_platform_data,

	},

};



/******************************************************************************

 * UDC

 ******************************************************************************/

static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = {

	.gpio_vbus		= GPIO_NR_PALMTC_USB_DETECT_N,

	.gpio_vbus_inverted	= 1,

	.gpio_pullup		= GPIO_NR_PALMTC_USB_POWER,

};



/******************************************************************************

 * Touchscreen / Battery / GPIO-extender

 ******************************************************************************/

static struct platform_device palmtc_ucb1400_core = {

	.name	= "ucb1400_core",

	.id	= -1,

};



/******************************************************************************

 * NOR Flash

 ******************************************************************************/

static struct resource palmtc_flash_resource = {

	.start	= PXA_CS0_PHYS,

	.end	= PXA_CS0_PHYS + SZ_16M - 1,

	.flags	= IORESOURCE_MEM,

};



static struct mtd_partition palmtc_flash_parts[] = {

	{

		.name	= "U-Boot Bootloader",

		.offset	= 0x0,

		.size	= 0x40000,

	},

	{

		.name	= "Linux Kernel",

		.offset	= 0x40000,

		.size	= 0x2c0000,

	},

	{

		.name	= "Filesystem",

		.offset	= 0x300000,

		.size	= 0xcc0000,

	},

	{

		.name	= "U-Boot Environment",

		.offset	= 0xfc0000,

		.size	= MTDPART_SIZ_FULL,

	},

};



static struct physmap_flash_data palmtc_flash_data = {

	.width		= 4,

	.parts		= palmtc_flash_parts,

	.nr_parts	= ARRAY_SIZE(palmtc_flash_parts),

};



static struct platform_device palmtc_flash = {

	.name		= "physmap-flash",

	.id		= -1,

	.resource	= &palmtc_flash_resource,

	.num_resources	= 1,

	.dev = {

		.platform_data	= &palmtc_flash_data,

	},

};



/******************************************************************************

 * Framebuffer

 ******************************************************************************/

static struct pxafb_mode_info palmtc_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 palmtc_lcd_screen = {

	.modes			= palmtc_lcd_modes,

	.num_modes		= ARRAY_SIZE(palmtc_lcd_modes),

	.lcd_conn		= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,

};



/******************************************************************************

 * Machine init

 ******************************************************************************/

static struct platform_device *devices[] __initdata = {

	&palmtc_backlight,

	&palmtc_ucb1400_core,

	&palmtc_keyboard,

	&palmtc_pxa_keys,

	&palmtc_flash,

};



static void __init palmtc_init(void)

{

	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));



	set_pxa_fb_info(&palmtc_lcd_screen);

	pxa_set_mci_info(&palmtc_mci_platform_data);

	pxa_set_udc_info(&palmtc_udc_info);

	pxa_set_ac97_info(NULL);

	pxa_set_ficp_info(&palmtc_ficp_platform_data);



	platform_add_devices(devices, ARRAY_SIZE(devices));

};



MACHINE_START(PALMTC, "Palm Tungsten|C")

	.phys_io	= 0x40000000,

	.boot_params 	= 0xa0000100,

	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,

	.map_io		= pxa_map_io,

	.init_irq	= pxa25x_init_irq,

	.timer		= &pxa_timer,

	.init_machine	= palmtc_init

MACHINE_END