6b5a12dbca
This branch is the culmination of 5 years of effort to bring the ARMv6
and ARMv7 platforms together such that they can all be enabled and
boot the same kernel. It has been a tremendous amount of cleanup and
refactoring by a huge number of people, and creation of several new
(and major) subsystems to better abstract out all the platform details
in an appropriate manner.
The bulk of this branch is a large patchset from Arnd that brings several
of the more minor and older platforms we have closer to multiplatform
support. Among these are MMP, S3C64xx, Orion5x, mv78xx0 and realview
Much of this is moving around header files from old mach directories,
but there are also some cleanup patches of debug_ll (lowlevel debug
per-platform options) and other parts.
Linus Walleij also has some patchs to clean up the older ARM Realview
platforms by finally introducing DT support, and Rob Herring has some
for ARM Versatile which is now DT-only. Both of these platforms are
now multiplatform.
Finally, a couple of patches from Russell for Dove PMU, and a fix from
Valentin Rothberg for Exynos ADC, which were rebased on top of the
series to avoid conflicts.
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Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC multiplatform code updates from Arnd Bergmann:
"This branch is the culmination of 5 years of effort to bring the ARMv6
and ARMv7 platforms together such that they can all be enabled and
boot the same kernel. It has been a tremendous amount of cleanup and
refactoring by a huge number of people, and creation of several new
(and major) subsystems to better abstract out all the platform details
in an appropriate manner.
The bulk of this branch is a large patchset from Arnd that brings
several of the more minor and older platforms we have closer to
multiplatform support. Among these are MMP, S3C64xx, Orion5x, mv78xx0
and realview Much of this is moving around header files from old mach
directories, but there are also some cleanup patches of debug_ll
(lowlevel debug per-platform options) and other parts.
Linus Walleij also has some patchs to clean up the older ARM Realview
platforms by finally introducing DT support, and Rob Herring has some
for ARM Versatile which is now DT-only. Both of these platforms are
now multiplatform.
Finally, a couple of patches from Russell for Dove PMU, and a fix from
Valentin Rothberg for Exynos ADC, which were rebased on top of the
series to avoid conflicts"
* tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (75 commits)
ARM: realview: don't select SMP_ON_UP for UP builds
ARM: s3c: simplify s3c_irqwake_{e,}intallow definition
ARM: s3c64xx: fix pm-debug compilation
iio: exynos-adc: fix irqf_oneshot.cocci warnings
ARM: realview: build realview-dt SMP support only when used
ARM: realview: select apropriate targets
ARM: realview: clean up header files
ARM: realview: make all header files local
ARM: no longer make CPU targets visible separately
ARM: integrator: use explicit core module options
ARM: realview: enable multiplatform
ARM: make default platform work for NOMMU
ARM: debug-ll: move DEBUG_LL_UART_EFM32 to correct Kconfig location
ARM: defconfig: use correct debug_ll settings
ARM: versatile: convert to multi-platform
ARM: versatile: merge mach code into a single file
ARM: versatile: switch to DT only booting and remove legacy code
ARM: versatile: add DT based PCI detection
ARM: pxa: mark ezx structures as __maybe_unused
ARM: pxa: mark raumfeld init functions as __maybe_unused
...
561 lines
14 KiB
C
561 lines
14 KiB
C
/*
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* Hardware definitions for Palm Treo smartphones
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*
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* currently supported:
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* Palm Treo 680 (GSM)
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* Palm Centro 685 (GSM)
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*
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* Author: Tomas Cech <sleep_walker@suse.cz>
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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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* (find more info at www.hackndev.com)
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*
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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/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/memblock.h>
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#include <linux/pda_power.h>
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#include <linux/pwm_backlight.h>
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#include <linux/gpio.h>
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#include <linux/power_supply.h>
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#include <linux/w1-gpio.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 "pxa27x.h"
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#include "pxa27x-udc.h"
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#include <mach/audio.h>
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#include "palmtreo.h"
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#include <linux/platform_data/mmc-pxamci.h>
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#include <linux/platform_data/video-pxafb.h>
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#include <linux/platform_data/irda-pxaficp.h>
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#include <linux/platform_data/keypad-pxa27x.h>
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#include "udc.h"
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#include <linux/platform_data/usb-ohci-pxa27x.h>
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#include <mach/pxa2xx-regs.h>
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#include <linux/platform_data/asoc-palm27x.h>
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#include <linux/platform_data/media/camera-pxa.h>
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#include "palm27x.h"
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#include <sound/pxa2xx-lib.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 treo_pin_config[] __initdata = {
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/* MMC */
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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GPIO113_GPIO, /* SD detect */
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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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GPIO89_AC97_SYSCLK,
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GPIO95_AC97_nRESET,
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/* IrDA */
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GPIO46_FICP_RXD,
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GPIO47_FICP_TXD,
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/* PWM */
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GPIO16_PWM0_OUT,
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/* USB */
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GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* usb detect */
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/* MATRIX KEYPAD */
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GPIO101_KP_MKIN_1,
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GPIO102_KP_MKIN_2,
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GPIO97_KP_MKIN_3,
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GPIO98_KP_MKIN_4,
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GPIO91_KP_MKIN_6,
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GPIO13_KP_MKIN_7,
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GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
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GPIO104_KP_MKOUT_1,
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GPIO105_KP_MKOUT_2,
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GPIO106_KP_MKOUT_3,
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GPIO107_KP_MKOUT_4,
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GPIO108_KP_MKOUT_5,
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GPIO96_KP_MKOUT_6,
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GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, /* Hotsync button */
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/* Quick Capture Interface */
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GPIO84_CIF_FV,
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GPIO85_CIF_LV,
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GPIO53_CIF_MCLK,
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GPIO54_CIF_PCLK,
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GPIO81_CIF_DD_0,
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GPIO55_CIF_DD_1,
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GPIO51_CIF_DD_2,
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GPIO50_CIF_DD_3,
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GPIO52_CIF_DD_4,
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GPIO48_CIF_DD_5,
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GPIO17_CIF_DD_6,
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GPIO12_CIF_DD_7,
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/* I2C */
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GPIO117_I2C_SCL,
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GPIO118_I2C_SDA,
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/* GSM */
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GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH, /* GSM host wake up */
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GPIO34_FFUART_RXD,
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GPIO35_FFUART_CTS,
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GPIO39_FFUART_TXD,
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GPIO41_FFUART_RTS,
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/* MISC. */
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GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* external power detect */
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GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH, /* silent switch */
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GPIO116_GPIO, /* headphone detect */
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GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* bluetooth host wake up */
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};
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#ifdef CONFIG_MACH_TREO680
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static unsigned long treo680_pin_config[] __initdata = {
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GPIO33_GPIO, /* SD read only */
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/* MATRIX KEYPAD - different wake up source */
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GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
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GPIO99_KP_MKIN_5,
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/* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */
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GPIOxx_LCD_16BPP,
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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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};
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#endif /* CONFIG_MACH_TREO680 */
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#ifdef CONFIG_MACH_CENTRO
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static unsigned long centro685_pin_config[] __initdata = {
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/* Bluetooth attached to BT UART*/
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MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW), /* power: LOW = off */
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GPIO42_BTUART_RXD,
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GPIO43_BTUART_TXD,
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GPIO44_BTUART_CTS,
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GPIO45_BTUART_RTS,
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/* MATRIX KEYPAD - different wake up source */
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GPIO100_KP_MKIN_0,
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GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
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/* LCD */
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GPIOxx_LCD_TFT_16BPP,
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};
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#endif /* CONFIG_MACH_CENTRO */
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/******************************************************************************
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* GPIO keyboard
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******************************************************************************/
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#if IS_ENABLED(CONFIG_KEYBOARD_PXA27x)
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static const unsigned int treo680_matrix_keys[] = {
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KEY(0, 0, KEY_F8), /* Red/Off/Power */
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KEY(0, 1, KEY_LEFT),
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KEY(0, 2, KEY_LEFTCTRL), /* Alternate */
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KEY(0, 3, KEY_L),
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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_P),
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KEY(1, 0, KEY_RIGHTCTRL), /* Menu */
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KEY(1, 1, KEY_RIGHT),
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KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */
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KEY(1, 3, KEY_Z),
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KEY(1, 4, KEY_S),
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KEY(1, 5, KEY_W),
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KEY(2, 0, KEY_F1), /* Phone */
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KEY(2, 1, KEY_UP),
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KEY(2, 2, KEY_0),
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KEY(2, 3, KEY_X),
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KEY(2, 4, KEY_D),
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KEY(2, 5, KEY_E),
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KEY(3, 0, KEY_F10), /* Calendar */
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KEY(3, 1, KEY_DOWN),
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KEY(3, 2, KEY_SPACE),
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KEY(3, 3, KEY_C),
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KEY(3, 4, KEY_F),
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KEY(3, 5, KEY_R),
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KEY(4, 0, KEY_F12), /* Mail */
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KEY(4, 1, KEY_KPENTER),
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KEY(4, 2, KEY_RIGHTALT), /* Alt */
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KEY(4, 3, KEY_V),
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KEY(4, 4, KEY_G),
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KEY(4, 5, KEY_T),
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KEY(5, 0, KEY_F9), /* Home */
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KEY(5, 1, KEY_PAGEUP), /* Side up */
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KEY(5, 2, KEY_DOT),
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KEY(5, 3, KEY_B),
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KEY(5, 4, KEY_H),
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KEY(5, 5, KEY_Y),
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KEY(6, 0, KEY_TAB), /* Side Activate */
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KEY(6, 1, KEY_PAGEDOWN), /* Side down */
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KEY(6, 2, KEY_ENTER),
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KEY(6, 3, KEY_N),
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KEY(6, 4, KEY_J),
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KEY(6, 5, KEY_U),
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KEY(7, 0, KEY_F6), /* Green/Call */
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KEY(7, 1, KEY_O),
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KEY(7, 2, KEY_BACKSPACE),
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KEY(7, 3, KEY_M),
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KEY(7, 4, KEY_K),
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KEY(7, 5, KEY_I),
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};
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static const unsigned int centro_matrix_keys[] = {
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KEY(0, 0, KEY_F9), /* Home */
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KEY(0, 1, KEY_LEFT),
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KEY(0, 2, KEY_LEFTCTRL), /* Alternate */
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KEY(0, 3, KEY_L),
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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_P),
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KEY(1, 0, KEY_RIGHTCTRL), /* Menu */
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KEY(1, 1, KEY_RIGHT),
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KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */
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KEY(1, 3, KEY_Z),
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KEY(1, 4, KEY_S),
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KEY(1, 5, KEY_W),
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KEY(2, 0, KEY_F1), /* Phone */
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KEY(2, 1, KEY_UP),
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KEY(2, 2, KEY_0),
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KEY(2, 3, KEY_X),
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KEY(2, 4, KEY_D),
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KEY(2, 5, KEY_E),
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KEY(3, 0, KEY_F10), /* Calendar */
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KEY(3, 1, KEY_DOWN),
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KEY(3, 2, KEY_SPACE),
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KEY(3, 3, KEY_C),
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KEY(3, 4, KEY_F),
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KEY(3, 5, KEY_R),
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KEY(4, 0, KEY_F12), /* Mail */
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KEY(4, 1, KEY_KPENTER),
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KEY(4, 2, KEY_RIGHTALT), /* Alt */
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KEY(4, 3, KEY_V),
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KEY(4, 4, KEY_G),
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KEY(4, 5, KEY_T),
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KEY(5, 0, KEY_F8), /* Red/Off/Power */
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KEY(5, 1, KEY_PAGEUP), /* Side up */
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KEY(5, 2, KEY_DOT),
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KEY(5, 3, KEY_B),
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KEY(5, 4, KEY_H),
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KEY(5, 5, KEY_Y),
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KEY(6, 0, KEY_TAB), /* Side Activate */
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KEY(6, 1, KEY_PAGEDOWN), /* Side down */
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KEY(6, 2, KEY_ENTER),
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KEY(6, 3, KEY_N),
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KEY(6, 4, KEY_J),
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KEY(6, 5, KEY_U),
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KEY(7, 0, KEY_F6), /* Green/Call */
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KEY(7, 1, KEY_O),
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KEY(7, 2, KEY_BACKSPACE),
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KEY(7, 3, KEY_M),
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KEY(7, 4, KEY_K),
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KEY(7, 5, KEY_I),
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};
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static struct matrix_keymap_data treo680_matrix_keymap_data = {
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.keymap = treo680_matrix_keys,
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.keymap_size = ARRAY_SIZE(treo680_matrix_keys),
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};
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static struct matrix_keymap_data centro_matrix_keymap_data = {
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.keymap = centro_matrix_keys,
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.keymap_size = ARRAY_SIZE(centro_matrix_keys),
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};
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static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
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.matrix_key_rows = 8,
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.matrix_key_cols = 7,
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.matrix_keymap_data = &treo680_matrix_keymap_data,
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.direct_key_map = { KEY_CONNECT },
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.direct_key_num = 1,
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.debounce_interval = 30,
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};
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static void __init palmtreo_kpc_init(void)
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{
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static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
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if (machine_is_centro())
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data->matrix_keymap_data = ¢ro_matrix_keymap_data;
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pxa_set_keypad_info(&treo680_keypad_pdata);
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}
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#else
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static inline void palmtreo_kpc_init(void) {}
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#endif
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/******************************************************************************
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* USB host
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******************************************************************************/
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#if IS_ENABLED(CONFIG_USB_OHCI_HCD)
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static struct pxaohci_platform_data treo680_ohci_info = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT1 | ENABLE_PORT3,
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.power_budget = 0,
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};
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static void __init palmtreo_uhc_init(void)
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{
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if (machine_is_treo680())
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pxa_set_ohci_info(&treo680_ohci_info);
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}
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#else
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static inline void palmtreo_uhc_init(void) {}
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#endif
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/******************************************************************************
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* Vibra and LEDs
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******************************************************************************/
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static struct gpio_led treo680_gpio_leds[] = {
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{
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.name = "treo680:vibra:vibra",
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.default_trigger = "none",
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.gpio = GPIO_NR_TREO680_VIBRATE_EN,
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},
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{
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.name = "treo680:green:led",
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.default_trigger = "mmc0",
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.gpio = GPIO_NR_TREO_GREEN_LED,
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},
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{
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.name = "treo680:white:keybbl",
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.default_trigger = "none",
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.gpio = GPIO_NR_TREO680_KEYB_BL,
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},
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};
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static struct gpio_led_platform_data treo680_gpio_led_info = {
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.leds = treo680_gpio_leds,
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.num_leds = ARRAY_SIZE(treo680_gpio_leds),
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};
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static struct gpio_led centro_gpio_leds[] = {
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{
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.name = "centro:vibra:vibra",
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.default_trigger = "none",
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.gpio = GPIO_NR_CENTRO_VIBRATE_EN,
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},
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{
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.name = "centro:green:led",
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.default_trigger = "mmc0",
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.gpio = GPIO_NR_TREO_GREEN_LED,
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},
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{
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.name = "centro:white:keybbl",
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.default_trigger = "none",
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.active_low = 1,
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.gpio = GPIO_NR_CENTRO_KEYB_BL,
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},
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};
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static struct gpio_led_platform_data centro_gpio_led_info = {
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.leds = centro_gpio_leds,
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.num_leds = ARRAY_SIZE(centro_gpio_leds),
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};
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|
static struct platform_device palmtreo_leds = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
};
|
|
|
|
static void __init palmtreo_leds_init(void)
|
|
{
|
|
if (machine_is_centro())
|
|
palmtreo_leds.dev.platform_data = ¢ro_gpio_led_info;
|
|
else if (machine_is_treo680())
|
|
palmtreo_leds.dev.platform_data = &treo680_gpio_led_info;
|
|
|
|
platform_device_register(&palmtreo_leds);
|
|
}
|
|
|
|
/******************************************************************************
|
|
* diskonchip docg4 flash
|
|
******************************************************************************/
|
|
#if defined(CONFIG_MACH_TREO680)
|
|
/* REVISIT: does the centro have this device also? */
|
|
#if IS_ENABLED(CONFIG_MTD_NAND_DOCG4)
|
|
static struct resource docg4_resources[] = {
|
|
{
|
|
.start = 0x00000000,
|
|
.end = 0x00001FFF,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
};
|
|
|
|
static struct platform_device treo680_docg4_flash = {
|
|
.name = "docg4",
|
|
.id = -1,
|
|
.resource = docg4_resources,
|
|
.num_resources = ARRAY_SIZE(docg4_resources),
|
|
};
|
|
|
|
static void __init treo680_docg4_flash_init(void)
|
|
{
|
|
platform_device_register(&treo680_docg4_flash);
|
|
}
|
|
#else
|
|
static inline void treo680_docg4_flash_init(void) {}
|
|
#endif
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* Machine init
|
|
******************************************************************************/
|
|
static void __init treo_reserve(void)
|
|
{
|
|
memblock_reserve(0xa0000000, 0x1000);
|
|
memblock_reserve(0xa2000000, 0x1000);
|
|
}
|
|
|
|
static void __init palmphone_common_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
palm27x_pm_init(TREO_STR_BASE);
|
|
palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
|
|
palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
|
|
palm27x_irda_init(GPIO_NR_TREO_IR_EN);
|
|
palm27x_ac97_init(-1, -1, -1, 95);
|
|
palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
|
|
palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
|
|
palm27x_pmic_init();
|
|
palmtreo_kpc_init();
|
|
palmtreo_uhc_init();
|
|
palmtreo_leds_init();
|
|
}
|
|
|
|
#ifdef CONFIG_MACH_TREO680
|
|
void __init treo680_gpio_init(void)
|
|
{
|
|
unsigned int gpio;
|
|
|
|
/* drive all three lcd gpios high initially */
|
|
const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT;
|
|
|
|
/*
|
|
* LCD GPIO initialization...
|
|
*/
|
|
|
|
/*
|
|
* This is likely the power to the lcd. Toggling it low/high appears to
|
|
* turn the lcd off/on. Can be toggled after lcd is initialized without
|
|
* any apparent adverse effects to the lcd operation. Note that this
|
|
* gpio line is used by the lcd controller as the L_BIAS signal, but
|
|
* treo680 configures it as gpio.
|
|
*/
|
|
gpio = GPIO_NR_TREO680_LCD_POWER;
|
|
if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0)
|
|
goto fail;
|
|
|
|
/*
|
|
* These two are called "enables", for lack of a better understanding.
|
|
* If either of these are toggled after the lcd is initialized, the
|
|
* image becomes degraded. N.B. The IPL shipped with the treo
|
|
* configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high. If
|
|
* the IPL is ever reprogrammed, this initialization may be need to be
|
|
* revisited.
|
|
*/
|
|
gpio = GPIO_NR_TREO680_LCD_EN;
|
|
if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0)
|
|
goto fail;
|
|
gpio = GPIO_NR_TREO680_LCD_EN_N;
|
|
if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0)
|
|
goto fail;
|
|
|
|
/* driving this low turns LCD on */
|
|
gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0);
|
|
|
|
return;
|
|
fail:
|
|
pr_err("gpio %d initialization failed\n", gpio);
|
|
gpio_free(GPIO_NR_TREO680_LCD_POWER);
|
|
gpio_free(GPIO_NR_TREO680_LCD_EN);
|
|
gpio_free(GPIO_NR_TREO680_LCD_EN_N);
|
|
}
|
|
|
|
static void __init treo680_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
|
|
palmphone_common_init();
|
|
treo680_gpio_init();
|
|
palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
|
|
GPIO_NR_TREO680_SD_POWER, 0);
|
|
treo680_docg4_flash_init();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_CENTRO
|
|
static void __init centro_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
|
|
palmphone_common_init();
|
|
palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1,
|
|
GPIO_NR_CENTRO_SD_POWER, 1);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_TREO680
|
|
MACHINE_START(TREO680, "Palm Treo 680")
|
|
.atag_offset = 0x100,
|
|
.map_io = pxa27x_map_io,
|
|
.reserve = treo_reserve,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa27x_init_irq,
|
|
.handle_irq = pxa27x_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.init_machine = treo680_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACH_CENTRO
|
|
MACHINE_START(CENTRO, "Palm Centro 685")
|
|
.atag_offset = 0x100,
|
|
.map_io = pxa27x_map_io,
|
|
.reserve = treo_reserve,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa27x_init_irq,
|
|
.handle_irq = pxa27x_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.init_machine = centro_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|
|
#endif
|