[ARM] pxa: Palm Tungsten|C initial support
This patch adds basic support for Palm Tungsten|C handheld. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Marek Vasut
Eric Miao
Родитель
91cf6a97b9
Коммит
5d783a2d59
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@ -706,8 +706,9 @@ M: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
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M: Dirk Opfer <dirk@opfer-online.de>
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S: Maintained
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ARM/PALMTX,PALMT5,PALMLD,PALMTE2 SUPPORT
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M: Marek Vasut <marek.vasut@gmail.com>
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ARM/PALMTX,PALMT5,PALMLD,PALMTE2,PALMTC SUPPORT
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P: Marek Vasut
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M: marek.vasut@gmail.com
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W: http://hackndev.com
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S: Maintained
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@ -376,6 +376,15 @@ config MACH_PALMTE2
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Say Y here if you intend to run this kernel on a Palm Tungsten|E2
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handheld computer.
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config MACH_PALMTC
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bool "Palm Tungsten|C"
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default y
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depends on ARCH_PXA_PALM
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select PXA25x
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help
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Say Y here if you intend to run this kernel on a Palm Tungsten|C
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handheld computer.
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config MACH_PALMT5
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bool "Palm Tungsten|T5"
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default y
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@ -58,6 +58,7 @@ obj-$(CONFIG_MACH_E750) += e750.o
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obj-$(CONFIG_MACH_E400) += e400.o
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obj-$(CONFIG_MACH_E800) += e800.o
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obj-$(CONFIG_MACH_PALMTE2) += palmte2.o
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obj-$(CONFIG_MACH_PALMTC) += palmtc.o
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obj-$(CONFIG_MACH_PALMT5) += palmt5.o
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obj-$(CONFIG_MACH_PALMTX) += palmtx.o
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obj-$(CONFIG_MACH_PALMLD) += palmld.o
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@ -0,0 +1,86 @@
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/*
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* linux/include/asm-arm/arch-pxa/palmtc-gpio.h
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*
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* GPIOs and interrupts for Palm Tungsten|C Handheld Computer
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*
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* Authors: Alex Osborne <bobofdoom@gmail.com>
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* Marek Vasut <marek.vasut@gmail.com>
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* Holger Bocklet <bitz.email@gmx.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef _INCLUDE_PALMTC_H_
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#define _INCLUDE_PALMTC_H_
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/** HERE ARE GPIOs **/
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/* GPIOs */
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#define GPIO_NR_PALMTC_EARPHONE_DETECT 2
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#define GPIO_NR_PALMTC_CRADLE_DETECT 5
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#define GPIO_NR_PALMTC_HOTSYNC_BUTTON 7
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/* SD/MMC */
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#define GPIO_NR_PALMTC_SD_DETECT_N 12
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#define GPIO_NR_PALMTC_SD_POWER 32
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#define GPIO_NR_PALMTC_SD_READONLY 54
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/* WLAN */
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#define GPIO_NR_PALMTC_PCMCIA_READY 13
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#define GPIO_NR_PALMTC_PCMCIA_PWRREADY 14
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#define GPIO_NR_PALMTC_PCMCIA_POWER1 15
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#define GPIO_NR_PALMTC_PCMCIA_POWER2 33
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#define GPIO_NR_PALMTC_PCMCIA_POWER3 55
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#define GPIO_NR_PALMTC_PCMCIA_RESET 78
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/* UDC */
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#define GPIO_NR_PALMTC_USB_DETECT_N 4
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#define GPIO_NR_PALMTC_USB_POWER 36
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/* LCD/BACKLIGHT */
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#define GPIO_NR_PALMTC_BL_POWER 16
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#define GPIO_NR_PALMTC_LCD_POWER 44
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#define GPIO_NR_PALMTC_LCD_BLANK 38
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/* UART */
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#define GPIO_NR_PALMTC_RS232_POWER 37
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/* IRDA */
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#define GPIO_NR_PALMTC_IR_DISABLE 45
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/* IRQs */
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#define IRQ_GPIO_PALMTC_SD_DETECT_N IRQ_GPIO(GPIO_NR_PALMTC_SD_DETECT_N)
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#define IRQ_GPIO_PALMTC_WLAN_READY IRQ_GPIO(GPIO_NR_PALMTC_WLAN_READY)
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/* UCB1400 GPIOs */
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#define GPIO_NR_PALMTC_POWER_DETECT (0x80 | 0x00)
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#define GPIO_NR_PALMTC_HEADPHONE_DETECT (0x80 | 0x01)
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#define GPIO_NR_PALMTC_SPEAKER_ENABLE (0x80 | 0x03)
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#define GPIO_NR_PALMTC_VIBRA_POWER (0x80 | 0x05)
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#define GPIO_NR_PALMTC_LED_POWER (0x80 | 0x07)
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/** HERE ARE INIT VALUES **/
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#define PALMTC_UCB1400_GPIO_OFFSET 0x80
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/* BATTERY */
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#define PALMTC_BAT_MAX_VOLTAGE 4000 /* 4.00V maximum voltage */
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#define PALMTC_BAT_MIN_VOLTAGE 3550 /* 3.55V critical voltage */
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#define PALMTC_BAT_MAX_CURRENT 0 /* unknokn */
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#define PALMTC_BAT_MIN_CURRENT 0 /* unknown */
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#define PALMTC_BAT_MAX_CHARGE 1 /* unknown */
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#define PALMTC_BAT_MIN_CHARGE 1 /* unknown */
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#define PALMTC_MAX_LIFE_MINS 240 /* on-life in minutes */
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#define PALMTC_BAT_MEASURE_DELAY (HZ * 1)
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/* BACKLIGHT */
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#define PALMTC_MAX_INTENSITY 0xFE
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#define PALMTC_DEFAULT_INTENSITY 0x7E
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#define PALMTC_LIMIT_MASK 0x7F
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#define PALMTC_PRESCALER 0x3F
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#define PALMTC_PERIOD_NS 3500
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#endif
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@ -0,0 +1,462 @@
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/*
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* linux/arch/arm/mach-pxa/palmtc.c
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*
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* Support for the Palm Tungsten|C
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*
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* Author: Marek Vasut <marek.vasut@gmail.com>
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*
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* Based on work of:
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* Petr Blaha <p3t3@centrum.cz>
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* Chetan S. Kumar <shivakumar.chetan@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/irq.h>
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#include <linux/input.h>
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#include <linux/pwm_backlight.h>
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#include <linux/gpio.h>
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#include <linux/input/matrix_keypad.h>
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#include <linux/ucb1400.h>
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#include <linux/power_supply.h>
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#include <linux/gpio_keys.h>
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#include <linux/mtd/physmap.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <mach/audio.h>
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#include <mach/palmtc.h>
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#include <mach/mmc.h>
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#include <mach/pxafb.h>
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#include <mach/mfp-pxa25x.h>
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#include <mach/irda.h>
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#include <mach/udc.h>
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#include <mach/pxa2xx-regs.h>
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#include "generic.h"
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#include "devices.h"
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/******************************************************************************
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* Pin configuration
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******************************************************************************/
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static unsigned long palmtc_pin_config[] __initdata = {
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/* MMC */
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GPIO6_MMC_CLK,
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GPIO8_MMC_CS0,
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GPIO12_GPIO, /* detect */
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GPIO32_GPIO, /* power */
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GPIO54_GPIO, /* r/o switch */
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/* PCMCIA */
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GPIO52_nPCE_1,
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GPIO53_nPCE_2,
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GPIO50_nPIOR,
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GPIO51_nPIOW,
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GPIO49_nPWE,
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GPIO48_nPOE,
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GPIO52_nPCE_1,
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GPIO53_nPCE_2,
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GPIO57_nIOIS16,
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GPIO56_nPWAIT,
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/* AC97 */
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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GPIO30_AC97_SDATA_OUT,
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GPIO31_AC97_SYNC,
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/* IrDA */
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GPIO45_GPIO, /* ir disable */
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GPIO46_FICP_RXD,
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GPIO47_FICP_TXD,
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/* PWM */
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GPIO17_PWM1_OUT,
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/* USB */
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GPIO4_GPIO, /* detect */
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GPIO36_GPIO, /* pullup */
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/* LCD */
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GPIO58_LCD_LDD_0,
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GPIO59_LCD_LDD_1,
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GPIO60_LCD_LDD_2,
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GPIO61_LCD_LDD_3,
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GPIO62_LCD_LDD_4,
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GPIO63_LCD_LDD_5,
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GPIO64_LCD_LDD_6,
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GPIO65_LCD_LDD_7,
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GPIO66_LCD_LDD_8,
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GPIO67_LCD_LDD_9,
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GPIO68_LCD_LDD_10,
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GPIO69_LCD_LDD_11,
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GPIO70_LCD_LDD_12,
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GPIO71_LCD_LDD_13,
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GPIO72_LCD_LDD_14,
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GPIO73_LCD_LDD_15,
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GPIO74_LCD_FCLK,
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GPIO75_LCD_LCLK,
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GPIO76_LCD_PCLK,
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GPIO77_LCD_BIAS,
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/* MATRIX KEYPAD */
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GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */
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GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */
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GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */
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GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */
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GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */
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GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */
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GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */
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GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */
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GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */
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GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */
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GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */
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GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */
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GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */
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GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */
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GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */
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GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */
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/* PXA GPIO KEYS */
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GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */
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/* MISC */
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GPIO1_RST, /* reset */
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GPIO2_GPIO, /* earphone detect */
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GPIO16_GPIO, /* backlight switch */
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};
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/******************************************************************************
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* SD/MMC card controller
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******************************************************************************/
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static struct pxamci_platform_data palmtc_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.gpio_power = GPIO_NR_PALMTC_SD_POWER,
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.gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY,
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.gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N,
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.detect_delay = 20,
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};
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/******************************************************************************
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* GPIO keys
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******************************************************************************/
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static struct gpio_keys_button palmtc_pxa_buttons[] = {
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{KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
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};
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static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
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.buttons = palmtc_pxa_buttons,
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.nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
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};
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static struct platform_device palmtc_pxa_keys = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &palmtc_pxa_keys_data,
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},
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};
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/******************************************************************************
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* Backlight
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******************************************************************************/
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static int palmtc_backlight_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER");
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if (ret)
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goto err;
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ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1);
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if (ret)
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goto err2;
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return 0;
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err2:
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gpio_free(GPIO_NR_PALMTC_BL_POWER);
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err:
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return ret;
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}
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static int palmtc_backlight_notify(int brightness)
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{
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/* backlight is on when GPIO16 AF0 is high */
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gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness);
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return brightness;
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}
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static void palmtc_backlight_exit(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMTC_BL_POWER);
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}
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static struct platform_pwm_backlight_data palmtc_backlight_data = {
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.pwm_id = 1,
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.max_brightness = PALMTC_MAX_INTENSITY,
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.dft_brightness = PALMTC_MAX_INTENSITY,
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.pwm_period_ns = PALMTC_PERIOD_NS,
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.init = palmtc_backlight_init,
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.notify = palmtc_backlight_notify,
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.exit = palmtc_backlight_exit,
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};
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static struct platform_device palmtc_backlight = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa25x_device_pwm1.dev,
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.platform_data = &palmtc_backlight_data,
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},
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};
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/******************************************************************************
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* IrDA
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******************************************************************************/
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static int palmtc_irda_startup(struct device *dev)
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{
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int err;
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err = gpio_request(GPIO_NR_PALMTC_IR_DISABLE, "IR DISABLE");
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if (err)
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goto err;
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err = gpio_direction_output(GPIO_NR_PALMTC_IR_DISABLE, 1);
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if (err)
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gpio_free(GPIO_NR_PALMTC_IR_DISABLE);
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err:
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return err;
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}
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static void palmtc_irda_shutdown(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMTC_IR_DISABLE);
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}
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static void palmtc_irda_transceiver_mode(struct device *dev, int mode)
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{
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gpio_set_value(GPIO_NR_PALMTC_IR_DISABLE, mode & IR_OFF);
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pxa2xx_transceiver_mode(dev, mode);
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}
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static struct pxaficp_platform_data palmtc_ficp_platform_data = {
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.startup = palmtc_irda_startup,
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.shutdown = palmtc_irda_shutdown,
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.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
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.transceiver_mode = palmtc_irda_transceiver_mode,
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};
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/******************************************************************************
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* Keyboard
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******************************************************************************/
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static const uint32_t palmtc_matrix_keys[] = {
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KEY(0, 0, KEY_F1),
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KEY(0, 1, KEY_X),
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KEY(0, 2, KEY_POWER),
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KEY(0, 3, KEY_TAB),
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KEY(0, 4, KEY_A),
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KEY(0, 5, KEY_Q),
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KEY(0, 6, KEY_LEFTSHIFT),
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KEY(0, 7, KEY_Z),
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KEY(0, 8, KEY_S),
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KEY(0, 9, KEY_W),
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KEY(0, 10, KEY_E),
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KEY(0, 11, KEY_UP),
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KEY(1, 0, KEY_F2),
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KEY(1, 1, KEY_DOWN),
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KEY(1, 3, KEY_D),
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KEY(1, 4, KEY_C),
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KEY(1, 5, KEY_F),
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KEY(1, 6, KEY_R),
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KEY(1, 7, KEY_SPACE),
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KEY(1, 8, KEY_V),
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KEY(1, 9, KEY_G),
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KEY(1, 10, KEY_T),
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KEY(1, 11, KEY_LEFT),
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KEY(2, 0, KEY_F3),
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KEY(2, 1, KEY_LEFTCTRL),
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KEY(2, 3, KEY_H),
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KEY(2, 4, KEY_Y),
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KEY(2, 5, KEY_N),
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KEY(2, 6, KEY_J),
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KEY(2, 7, KEY_U),
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KEY(2, 8, KEY_M),
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KEY(2, 9, KEY_K),
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KEY(2, 10, KEY_I),
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KEY(2, 11, KEY_RIGHT),
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KEY(3, 0, KEY_F4),
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KEY(3, 1, KEY_ENTER),
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KEY(3, 3, KEY_DOT),
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KEY(3, 4, KEY_L),
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KEY(3, 5, KEY_O),
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KEY(3, 6, KEY_LEFTALT),
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KEY(3, 7, KEY_ENTER),
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KEY(3, 8, KEY_BACKSPACE),
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KEY(3, 9, KEY_P),
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KEY(3, 10, KEY_B),
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KEY(3, 11, KEY_FN),
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};
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|
||||
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
|
||||
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