577 lines
16 KiB
C
577 lines
16 KiB
C
/*
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* linux/include/asm-arm/arch-pxa/mfp.h
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*
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* Multi-Function Pin Definitions
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*
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* Copyright (C) 2007 Marvell International Ltd.
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*
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* 2007-8-21: eric miao <eric.y.miao@gmail.com>
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* initial version
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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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#ifndef __ASM_ARCH_MFP_H
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#define __ASM_ARCH_MFP_H
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#define MFPR_BASE (0x40e10000)
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#define MFPR_SIZE (PAGE_SIZE)
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#define mfp_to_gpio(m) ((m) % 128)
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/* list of all the configurable MFP pins */
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enum {
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MFP_PIN_INVALID = -1,
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MFP_PIN_GPIO0 = 0,
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MFP_PIN_GPIO1,
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MFP_PIN_GPIO2,
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MFP_PIN_GPIO3,
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MFP_PIN_GPIO4,
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MFP_PIN_GPIO5,
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MFP_PIN_GPIO6,
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MFP_PIN_GPIO7,
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MFP_PIN_GPIO8,
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MFP_PIN_GPIO9,
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MFP_PIN_GPIO10,
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MFP_PIN_GPIO11,
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MFP_PIN_GPIO12,
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MFP_PIN_GPIO13,
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MFP_PIN_GPIO14,
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MFP_PIN_GPIO15,
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MFP_PIN_GPIO16,
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MFP_PIN_GPIO17,
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MFP_PIN_GPIO18,
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MFP_PIN_GPIO19,
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MFP_PIN_GPIO20,
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MFP_PIN_GPIO21,
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MFP_PIN_GPIO22,
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MFP_PIN_GPIO23,
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MFP_PIN_GPIO24,
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MFP_PIN_GPIO25,
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MFP_PIN_GPIO26,
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MFP_PIN_GPIO27,
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MFP_PIN_GPIO28,
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MFP_PIN_GPIO29,
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MFP_PIN_GPIO30,
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MFP_PIN_GPIO31,
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MFP_PIN_GPIO32,
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MFP_PIN_GPIO33,
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MFP_PIN_GPIO34,
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MFP_PIN_GPIO35,
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MFP_PIN_GPIO36,
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MFP_PIN_GPIO37,
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MFP_PIN_GPIO38,
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MFP_PIN_GPIO39,
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MFP_PIN_GPIO40,
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MFP_PIN_GPIO41,
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MFP_PIN_GPIO42,
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MFP_PIN_GPIO43,
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MFP_PIN_GPIO44,
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MFP_PIN_GPIO45,
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MFP_PIN_GPIO46,
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MFP_PIN_GPIO47,
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MFP_PIN_GPIO48,
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MFP_PIN_GPIO49,
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MFP_PIN_GPIO50,
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MFP_PIN_GPIO51,
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MFP_PIN_GPIO52,
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MFP_PIN_GPIO53,
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MFP_PIN_GPIO54,
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MFP_PIN_GPIO55,
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MFP_PIN_GPIO56,
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MFP_PIN_GPIO57,
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MFP_PIN_GPIO58,
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MFP_PIN_GPIO59,
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MFP_PIN_GPIO60,
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MFP_PIN_GPIO61,
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MFP_PIN_GPIO62,
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MFP_PIN_GPIO63,
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MFP_PIN_GPIO64,
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MFP_PIN_GPIO65,
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MFP_PIN_GPIO66,
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MFP_PIN_GPIO67,
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MFP_PIN_GPIO68,
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MFP_PIN_GPIO69,
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MFP_PIN_GPIO70,
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MFP_PIN_GPIO71,
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MFP_PIN_GPIO72,
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MFP_PIN_GPIO73,
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MFP_PIN_GPIO74,
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MFP_PIN_GPIO75,
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MFP_PIN_GPIO76,
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MFP_PIN_GPIO77,
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MFP_PIN_GPIO78,
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MFP_PIN_GPIO79,
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MFP_PIN_GPIO80,
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MFP_PIN_GPIO81,
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MFP_PIN_GPIO82,
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MFP_PIN_GPIO83,
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MFP_PIN_GPIO84,
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MFP_PIN_GPIO85,
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MFP_PIN_GPIO86,
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MFP_PIN_GPIO87,
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MFP_PIN_GPIO88,
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MFP_PIN_GPIO89,
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MFP_PIN_GPIO90,
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MFP_PIN_GPIO91,
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MFP_PIN_GPIO92,
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MFP_PIN_GPIO93,
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MFP_PIN_GPIO94,
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MFP_PIN_GPIO95,
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MFP_PIN_GPIO96,
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MFP_PIN_GPIO97,
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MFP_PIN_GPIO98,
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MFP_PIN_GPIO99,
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MFP_PIN_GPIO100,
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MFP_PIN_GPIO101,
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MFP_PIN_GPIO102,
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MFP_PIN_GPIO103,
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MFP_PIN_GPIO104,
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MFP_PIN_GPIO105,
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MFP_PIN_GPIO106,
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MFP_PIN_GPIO107,
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MFP_PIN_GPIO108,
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MFP_PIN_GPIO109,
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MFP_PIN_GPIO110,
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MFP_PIN_GPIO111,
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MFP_PIN_GPIO112,
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MFP_PIN_GPIO113,
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MFP_PIN_GPIO114,
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MFP_PIN_GPIO115,
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MFP_PIN_GPIO116,
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MFP_PIN_GPIO117,
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MFP_PIN_GPIO118,
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MFP_PIN_GPIO119,
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MFP_PIN_GPIO120,
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MFP_PIN_GPIO121,
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MFP_PIN_GPIO122,
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MFP_PIN_GPIO123,
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MFP_PIN_GPIO124,
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MFP_PIN_GPIO125,
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MFP_PIN_GPIO126,
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MFP_PIN_GPIO127,
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MFP_PIN_GPIO0_2,
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MFP_PIN_GPIO1_2,
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MFP_PIN_GPIO2_2,
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MFP_PIN_GPIO3_2,
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MFP_PIN_GPIO4_2,
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MFP_PIN_GPIO5_2,
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MFP_PIN_GPIO6_2,
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MFP_PIN_GPIO7_2,
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MFP_PIN_GPIO8_2,
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MFP_PIN_GPIO9_2,
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MFP_PIN_GPIO10_2,
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MFP_PIN_GPIO11_2,
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MFP_PIN_GPIO12_2,
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MFP_PIN_GPIO13_2,
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MFP_PIN_GPIO14_2,
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MFP_PIN_GPIO15_2,
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MFP_PIN_GPIO16_2,
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MFP_PIN_GPIO17_2,
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MFP_PIN_ULPI_STP,
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MFP_PIN_ULPI_NXT,
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MFP_PIN_ULPI_DIR,
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MFP_PIN_nXCVREN,
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MFP_PIN_DF_CLE_nOE,
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MFP_PIN_DF_nADV1_ALE,
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MFP_PIN_DF_SCLK_E,
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MFP_PIN_DF_SCLK_S,
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MFP_PIN_nBE0,
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MFP_PIN_nBE1,
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MFP_PIN_DF_nADV2_ALE,
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MFP_PIN_DF_INT_RnB,
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MFP_PIN_DF_nCS0,
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MFP_PIN_DF_nCS1,
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MFP_PIN_nLUA,
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MFP_PIN_nLLA,
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MFP_PIN_DF_nWE,
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MFP_PIN_DF_ALE_nWE,
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MFP_PIN_DF_nRE_nOE,
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MFP_PIN_DF_ADDR0,
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MFP_PIN_DF_ADDR1,
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MFP_PIN_DF_ADDR2,
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MFP_PIN_DF_ADDR3,
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MFP_PIN_DF_IO0,
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MFP_PIN_DF_IO1,
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MFP_PIN_DF_IO2,
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MFP_PIN_DF_IO3,
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MFP_PIN_DF_IO4,
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MFP_PIN_DF_IO5,
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MFP_PIN_DF_IO6,
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MFP_PIN_DF_IO7,
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MFP_PIN_DF_IO8,
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MFP_PIN_DF_IO9,
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MFP_PIN_DF_IO10,
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MFP_PIN_DF_IO11,
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MFP_PIN_DF_IO12,
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MFP_PIN_DF_IO13,
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MFP_PIN_DF_IO14,
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MFP_PIN_DF_IO15,
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MFP_PIN_MAX,
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};
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/*
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* Table that determines the low power modes outputs, with actual settings
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* used in parentheses for don't-care values. Except for the float output,
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* the configured driven and pulled levels match, so if there is a need for
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* non-LPM pulled output, the same configuration could probably be used.
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*
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* Output value sleep_oe_n sleep_data pullup_en pulldown_en pull_sel
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* (bit 7) (bit 8) (bit 14d) (bit 13d)
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*
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* Drive 0 0 0 0 X (1) 0
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* Drive 1 0 1 X (1) 0 0
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* Pull hi (1) 1 X(1) 1 0 0
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* Pull lo (0) 1 X(0) 0 1 0
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* Z (float) 1 X(0) 0 0 0
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*/
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#define MFP_LPM_DRIVE_LOW 0x8
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#define MFP_LPM_DRIVE_HIGH 0x6
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#define MFP_LPM_PULL_HIGH 0x7
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#define MFP_LPM_PULL_LOW 0x9
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#define MFP_LPM_FLOAT 0x1
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#define MFP_LPM_PULL_NEITHER 0x0
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/*
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* The pullup and pulldown state of the MFP pin is by default determined by
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* selected alternate function. In case some buggy devices need to override
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* this default behavior, pxa3xx_mfp_set_pull() can be invoked with one of
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* the following definition as the parameter.
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*
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* Definition pull_sel pullup_en pulldown_en
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* MFP_PULL_HIGH 1 1 0
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* MFP_PULL_LOW 1 0 1
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* MFP_PULL_BOTH 1 1 1
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* MFP_PULL_NONE 1 0 0
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* MFP_PULL_DEFAULT 0 X X
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*
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* NOTE: pxa3xx_mfp_set_pull() will modify the PULLUP_EN and PULLDOWN_EN
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* bits, which will cause potential conflicts with the low power mode
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* setting, device drivers should take care of this
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*/
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#define MFP_PULL_BOTH (0x7u)
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#define MFP_PULL_HIGH (0x6u)
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#define MFP_PULL_LOW (0x5u)
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#define MFP_PULL_NONE (0x4u)
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#define MFP_PULL_DEFAULT (0x0u)
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#define MFP_AF0 (0)
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#define MFP_AF1 (1)
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#define MFP_AF2 (2)
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#define MFP_AF3 (3)
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#define MFP_AF4 (4)
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#define MFP_AF5 (5)
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#define MFP_AF6 (6)
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#define MFP_AF7 (7)
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#define MFP_DS01X (0)
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#define MFP_DS02X (1)
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#define MFP_DS03X (2)
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#define MFP_DS04X (3)
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#define MFP_DS06X (4)
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#define MFP_DS08X (5)
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#define MFP_DS10X (6)
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#define MFP_DS12X (7)
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#define MFP_EDGE_BOTH 0x3
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#define MFP_EDGE_RISE 0x2
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#define MFP_EDGE_FALL 0x1
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#define MFP_EDGE_NONE 0x0
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#define MFPR_AF_MASK 0x0007
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#define MFPR_DRV_MASK 0x1c00
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#define MFPR_RDH_MASK 0x0200
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#define MFPR_LPM_MASK 0xe180
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#define MFPR_PULL_MASK 0xe000
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#define MFPR_EDGE_MASK 0x0070
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#define MFPR_ALT_OFFSET 0
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#define MFPR_ERE_OFFSET 4
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#define MFPR_EFE_OFFSET 5
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#define MFPR_EC_OFFSET 6
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#define MFPR_SON_OFFSET 7
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#define MFPR_SD_OFFSET 8
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#define MFPR_SS_OFFSET 9
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#define MFPR_DRV_OFFSET 10
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#define MFPR_PD_OFFSET 13
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#define MFPR_PU_OFFSET 14
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#define MFPR_PS_OFFSET 15
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#define MFPR(af, drv, rdh, lpm, edge) \
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(((af) & 0x7) | (((drv) & 0x7) << 10) |\
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(((rdh) & 0x1) << 9) |\
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(((lpm) & 0x3) << 7) |\
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(((lpm) & 0x4) << 12)|\
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(((lpm) & 0x8) << 10)|\
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((!(edge)) << 6) |\
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(((edge) & 0x1) << 5) |\
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(((edge) & 0x2) << 3))
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/*
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* a possible MFP configuration is represented by a 32-bit integer
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* bit 0..15 - MFPR value (16-bit)
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* bit 16..31 - mfp pin index (used to obtain the MFPR offset)
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*
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* to facilitate the definition, the following macros are provided
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*
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* MFPR_DEFAULT - default MFPR value, with
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* alternate function = 0,
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* drive strength = fast 1mA (MFP_DS01X)
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* low power mode = default
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* release dalay hold = false (RDH bit)
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* edge detection = none
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*
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* MFP_CFG - default MFPR value with alternate function
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* MFP_CFG_DRV - default MFPR value with alternate function and
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* pin drive strength
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* MFP_CFG_LPM - default MFPR value with alternate function and
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* low power mode
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* MFP_CFG_X - default MFPR value with alternate function,
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* pin drive strength and low power mode
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*
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* use
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*
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* MFP_CFG_PIN - to get the MFP pin index
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* MFP_CFG_VAL - to get the corresponding MFPR value
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*/
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typedef uint32_t mfp_cfg_t;
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#define MFP_CFG_PIN(mfp_cfg) (((mfp_cfg) >> 16) & 0xffff)
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#define MFP_CFG_VAL(mfp_cfg) ((mfp_cfg) & 0xffff)
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#define MFPR_DEFAULT (0x0000)
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#define MFP_CFG(pin, af) \
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((MFP_PIN_##pin << 16) | MFPR_DEFAULT | (MFP_##af))
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#define MFP_CFG_DRV(pin, af, drv) \
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((MFP_PIN_##pin << 16) | MFPR_DEFAULT |\
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((MFP_##drv) << 10) | (MFP_##af))
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#define MFP_CFG_LPM(pin, af, lpm) \
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((MFP_PIN_##pin << 16) | MFPR_DEFAULT | (MFP_##af) |\
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(((MFP_LPM_##lpm) & 0x3) << 7) |\
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(((MFP_LPM_##lpm) & 0x4) << 12) |\
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(((MFP_LPM_##lpm) & 0x8) << 10))
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#define MFP_CFG_X(pin, af, drv, lpm) \
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((MFP_PIN_##pin << 16) | MFPR_DEFAULT |\
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((MFP_##drv) << 10) | (MFP_##af) |\
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(((MFP_LPM_##lpm) & 0x3) << 7) |\
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(((MFP_LPM_##lpm) & 0x4) << 12) |\
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(((MFP_LPM_##lpm) & 0x8) << 10))
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/* common MFP configurations - processor specific ones defined
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* in mfp-pxa3xx.h
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*/
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#define GPIO0_GPIO MFP_CFG(GPIO0, AF0)
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#define GPIO1_GPIO MFP_CFG(GPIO1, AF0)
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#define GPIO2_GPIO MFP_CFG(GPIO2, AF0)
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#define GPIO3_GPIO MFP_CFG(GPIO3, AF0)
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#define GPIO4_GPIO MFP_CFG(GPIO4, AF0)
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#define GPIO5_GPIO MFP_CFG(GPIO5, AF0)
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#define GPIO6_GPIO MFP_CFG(GPIO6, AF0)
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#define GPIO7_GPIO MFP_CFG(GPIO7, AF0)
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#define GPIO8_GPIO MFP_CFG(GPIO8, AF0)
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#define GPIO9_GPIO MFP_CFG(GPIO9, AF0)
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#define GPIO10_GPIO MFP_CFG(GPIO10, AF0)
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#define GPIO11_GPIO MFP_CFG(GPIO11, AF0)
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#define GPIO12_GPIO MFP_CFG(GPIO12, AF0)
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#define GPIO13_GPIO MFP_CFG(GPIO13, AF0)
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#define GPIO14_GPIO MFP_CFG(GPIO14, AF0)
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#define GPIO15_GPIO MFP_CFG(GPIO15, AF0)
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#define GPIO16_GPIO MFP_CFG(GPIO16, AF0)
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#define GPIO17_GPIO MFP_CFG(GPIO17, AF0)
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#define GPIO18_GPIO MFP_CFG(GPIO18, AF0)
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#define GPIO19_GPIO MFP_CFG(GPIO19, AF0)
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#define GPIO20_GPIO MFP_CFG(GPIO20, AF0)
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#define GPIO21_GPIO MFP_CFG(GPIO21, AF0)
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#define GPIO22_GPIO MFP_CFG(GPIO22, AF0)
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#define GPIO23_GPIO MFP_CFG(GPIO23, AF0)
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#define GPIO24_GPIO MFP_CFG(GPIO24, AF0)
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#define GPIO25_GPIO MFP_CFG(GPIO25, AF0)
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#define GPIO26_GPIO MFP_CFG(GPIO26, AF0)
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#define GPIO27_GPIO MFP_CFG(GPIO27, AF0)
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#define GPIO28_GPIO MFP_CFG(GPIO28, AF0)
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#define GPIO29_GPIO MFP_CFG(GPIO29, AF0)
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#define GPIO30_GPIO MFP_CFG(GPIO30, AF0)
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#define GPIO31_GPIO MFP_CFG(GPIO31, AF0)
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#define GPIO32_GPIO MFP_CFG(GPIO32, AF0)
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#define GPIO33_GPIO MFP_CFG(GPIO33, AF0)
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#define GPIO34_GPIO MFP_CFG(GPIO34, AF0)
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#define GPIO35_GPIO MFP_CFG(GPIO35, AF0)
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#define GPIO36_GPIO MFP_CFG(GPIO36, AF0)
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#define GPIO37_GPIO MFP_CFG(GPIO37, AF0)
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#define GPIO38_GPIO MFP_CFG(GPIO38, AF0)
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#define GPIO39_GPIO MFP_CFG(GPIO39, AF0)
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#define GPIO40_GPIO MFP_CFG(GPIO40, AF0)
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#define GPIO41_GPIO MFP_CFG(GPIO41, AF0)
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#define GPIO42_GPIO MFP_CFG(GPIO42, AF0)
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#define GPIO43_GPIO MFP_CFG(GPIO43, AF0)
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#define GPIO44_GPIO MFP_CFG(GPIO44, AF0)
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#define GPIO45_GPIO MFP_CFG(GPIO45, AF0)
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#define GPIO47_GPIO MFP_CFG(GPIO47, AF0)
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#define GPIO48_GPIO MFP_CFG(GPIO48, AF0)
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#define GPIO53_GPIO MFP_CFG(GPIO53, AF0)
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#define GPIO54_GPIO MFP_CFG(GPIO54, AF0)
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#define GPIO55_GPIO MFP_CFG(GPIO55, AF0)
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#define GPIO57_GPIO MFP_CFG(GPIO57, AF0)
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#define GPIO63_GPIO MFP_CFG(GPIO63, AF0)
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#define GPIO64_GPIO MFP_CFG(GPIO64, AF0)
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#define GPIO65_GPIO MFP_CFG(GPIO65, AF0)
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#define GPIO66_GPIO MFP_CFG(GPIO66, AF0)
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#define GPIO67_GPIO MFP_CFG(GPIO67, AF0)
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#define GPIO68_GPIO MFP_CFG(GPIO68, AF0)
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#define GPIO69_GPIO MFP_CFG(GPIO69, AF0)
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#define GPIO70_GPIO MFP_CFG(GPIO70, AF0)
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#define GPIO71_GPIO MFP_CFG(GPIO71, AF0)
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#define GPIO72_GPIO MFP_CFG(GPIO72, AF0)
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#define GPIO73_GPIO MFP_CFG(GPIO73, AF0)
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#define GPIO74_GPIO MFP_CFG(GPIO74, AF0)
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#define GPIO75_GPIO MFP_CFG(GPIO75, AF0)
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#define GPIO76_GPIO MFP_CFG(GPIO76, AF0)
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#define GPIO77_GPIO MFP_CFG(GPIO77, AF0)
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#define GPIO78_GPIO MFP_CFG(GPIO78, AF0)
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#define GPIO79_GPIO MFP_CFG(GPIO79, AF0)
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#define GPIO80_GPIO MFP_CFG(GPIO80, AF0)
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#define GPIO81_GPIO MFP_CFG(GPIO81, AF0)
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#define GPIO82_GPIO MFP_CFG(GPIO82, AF0)
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#define GPIO83_GPIO MFP_CFG(GPIO83, AF0)
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#define GPIO84_GPIO MFP_CFG(GPIO84, AF0)
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#define GPIO85_GPIO MFP_CFG(GPIO85, AF0)
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#define GPIO86_GPIO MFP_CFG(GPIO86, AF0)
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#define GPIO87_GPIO MFP_CFG(GPIO87, AF0)
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#define GPIO88_GPIO MFP_CFG(GPIO88, AF0)
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#define GPIO89_GPIO MFP_CFG(GPIO89, AF0)
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#define GPIO90_GPIO MFP_CFG(GPIO90, AF0)
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#define GPIO91_GPIO MFP_CFG(GPIO91, AF0)
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#define GPIO92_GPIO MFP_CFG(GPIO92, AF0)
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#define GPIO93_GPIO MFP_CFG(GPIO93, AF0)
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#define GPIO94_GPIO MFP_CFG(GPIO94, AF0)
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#define GPIO95_GPIO MFP_CFG(GPIO95, AF0)
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#define GPIO96_GPIO MFP_CFG(GPIO96, AF0)
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#define GPIO97_GPIO MFP_CFG(GPIO97, AF0)
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#define GPIO98_GPIO MFP_CFG(GPIO98, AF0)
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#define GPIO99_GPIO MFP_CFG(GPIO99, AF0)
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#define GPIO100_GPIO MFP_CFG(GPIO100, AF0)
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#define GPIO101_GPIO MFP_CFG(GPIO101, AF0)
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#define GPIO102_GPIO MFP_CFG(GPIO102, AF0)
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#define GPIO103_GPIO MFP_CFG(GPIO103, AF0)
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#define GPIO104_GPIO MFP_CFG(GPIO104, AF0)
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#define GPIO105_GPIO MFP_CFG(GPIO105, AF0)
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#define GPIO106_GPIO MFP_CFG(GPIO106, AF0)
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#define GPIO107_GPIO MFP_CFG(GPIO107, AF0)
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#define GPIO108_GPIO MFP_CFG(GPIO108, AF0)
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#define GPIO109_GPIO MFP_CFG(GPIO109, AF0)
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#define GPIO110_GPIO MFP_CFG(GPIO110, AF0)
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#define GPIO111_GPIO MFP_CFG(GPIO111, AF0)
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#define GPIO112_GPIO MFP_CFG(GPIO112, AF0)
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#define GPIO113_GPIO MFP_CFG(GPIO113, AF0)
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#define GPIO114_GPIO MFP_CFG(GPIO114, AF0)
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#define GPIO115_GPIO MFP_CFG(GPIO115, AF0)
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#define GPIO116_GPIO MFP_CFG(GPIO116, AF0)
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#define GPIO117_GPIO MFP_CFG(GPIO117, AF0)
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#define GPIO118_GPIO MFP_CFG(GPIO118, AF0)
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#define GPIO119_GPIO MFP_CFG(GPIO119, AF0)
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#define GPIO120_GPIO MFP_CFG(GPIO120, AF0)
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#define GPIO121_GPIO MFP_CFG(GPIO121, AF0)
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#define GPIO122_GPIO MFP_CFG(GPIO122, AF0)
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#define GPIO123_GPIO MFP_CFG(GPIO123, AF0)
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#define GPIO124_GPIO MFP_CFG(GPIO124, AF0)
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#define GPIO125_GPIO MFP_CFG(GPIO125, AF0)
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#define GPIO126_GPIO MFP_CFG(GPIO126, AF0)
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#define GPIO127_GPIO MFP_CFG(GPIO127, AF0)
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#define GPIO0_2_GPIO MFP_CFG(GPIO0_2, AF0)
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#define GPIO1_2_GPIO MFP_CFG(GPIO1_2, AF0)
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#define GPIO2_2_GPIO MFP_CFG(GPIO2_2, AF0)
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#define GPIO3_2_GPIO MFP_CFG(GPIO3_2, AF0)
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#define GPIO4_2_GPIO MFP_CFG(GPIO4_2, AF0)
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#define GPIO5_2_GPIO MFP_CFG(GPIO5_2, AF0)
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#define GPIO6_2_GPIO MFP_CFG(GPIO6_2, AF0)
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/*
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* each MFP pin will have a MFPR register, since the offset of the
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* register varies between processors, the processor specific code
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* should initialize the pin offsets by pxa3xx_mfp_init_addr()
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*
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* pxa3xx_mfp_init_addr - accepts a table of "pxa3xx_mfp_addr_map"
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* structure, which represents a range of MFP pins from "start" to
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* "end", with the offset begining at "offset", to define a single
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* pin, let "end" = -1
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*
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* use
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*
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* MFP_ADDR_X() to define a range of pins
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* MFP_ADDR() to define a single pin
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* MFP_ADDR_END to signal the end of pin offset definitions
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*/
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struct pxa3xx_mfp_addr_map {
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unsigned int start;
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unsigned int end;
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unsigned long offset;
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};
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#define MFP_ADDR_X(start, end, offset) \
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{ MFP_PIN_##start, MFP_PIN_##end, offset }
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#define MFP_ADDR(pin, offset) \
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{ MFP_PIN_##pin, -1, offset }
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#define MFP_ADDR_END { MFP_PIN_INVALID, 0 }
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struct pxa3xx_mfp_pin {
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unsigned long mfpr_off; /* MFPRxx register offset */
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unsigned long mfpr_val; /* MFPRxx register value */
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};
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/*
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* pxa3xx_mfp_read()/pxa3xx_mfp_write() - for direct read/write access
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* to the MFPR register
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*/
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unsigned long pxa3xx_mfp_read(int mfp);
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void pxa3xx_mfp_write(int mfp, unsigned long mfpr_val);
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/*
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* pxa3xx_mfp_set_afds - set MFP alternate function and drive strength
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* pxa3xx_mfp_set_rdh - set MFP release delay hold on/off
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* pxa3xx_mfp_set_lpm - set MFP low power mode state
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* pxa3xx_mfp_set_edge - set MFP edge detection in low power mode
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*
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* use these functions to override/change the default configuration
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* done by pxa3xx_mfp_set_config(s)
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*/
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void pxa3xx_mfp_set_afds(int mfp, int af, int ds);
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void pxa3xx_mfp_set_rdh(int mfp, int rdh);
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void pxa3xx_mfp_set_lpm(int mfp, int lpm);
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void pxa3xx_mfp_set_edge(int mfp, int edge);
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/*
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* pxa3xx_mfp_config - configure the MFPR registers
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*
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* used by board specific initialization code
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*/
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void pxa3xx_mfp_config(mfp_cfg_t *mfp_cfgs, int num);
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/*
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* pxa3xx_mfp_init_addr() - initialize the mapping between mfp pin
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* index and MFPR register offset
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*
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* used by processor specific code
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*/
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void __init pxa3xx_mfp_init_addr(struct pxa3xx_mfp_addr_map *);
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void __init pxa3xx_init_mfp(void);
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#endif /* __ASM_ARCH_MFP_H */
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