2013-09-10 20:48:34 +00:00
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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*
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* Module wrapper for GPIO, using /dev/r1GPIO (r1Gpio.ko) of Samsung YP-R1
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*
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* Copyright (c) 2013 Lorenzo Miori
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef GPIO_TARGET_H
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#define GPIO_TARGET_H
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/* Some meaningful pins used in the YP-R1 */
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#define GPIO_HEADPHONE_SENSE GPIO1_31
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/* I2C bus for the SI4079 FM, WM1808 codec and RTC radio chip */
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#define GPIO_I2C_CLK1 GPIO1_0
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#define GPIO_I2C_DAT1 GPIO1_1
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/* I2C bus for the fuel gauge MAX17040 */
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#define GPIO_I2C_CLK2 GPIO2_12
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#define GPIO_I2C_DAT2 GPIO2_13
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/* SI4079 pins - powerup and interrupt */
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#define GPIO_FM_SEARCH GPIO1_4
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#define GPIO_FM_BUS_EN GPIO1_10
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#define GPIO_MUTE GPIO2_17
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#define EXT_POWER_DET GPIO1_26
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/* Low disabled, high enabled */
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#define TV_OUT_ENABLE GPIO1_17
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/* Battery charging */
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#define CHARGE_ENABLE GPIO1_18
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#define CHARGE_STATUS GPIO_D13
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/* This should be high when connecting a special port to the board... */
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#define PBA_CHECK_ENABLED GPIO2_1
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/* TODO see if this is the source of massive battery drain
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* touchscreen and usb 3.3v power control line
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*/
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#define POWER_3V3_LINE_CONTROL GPIO1_16
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/* Keypad */
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#define GPIO_VOL_UP_KEY GPIO1_20
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#define GPIO_VOL_DOWN_KEY GPIO1_21
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#define GPIO_POWER_KEY GPIO2_16
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#define GPIO_DEVICE "/dev/r1Gpio"
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2013-12-28 18:00:57 +00:00
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/* Strangely for whatever reason magic differs from R0 (A vs. G) */
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#define GPIO_IOCTL_MAGIC 'A'
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2013-09-10 20:48:34 +00:00
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#endif /* GPIO_TARGET_H */
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