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352580870c
I2C protocol requires open-drain IOs. Fix the Dalmore and Venice2 pinmux tables to configure the IOs correctly. Without this, Tegra may actively drive the lines high while an external device is actively driving the lines low, which can only lead to bad things. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Simon Glass <sjg@chromium.org> Signed-off-by: Tom Warren <twarren@nvidia.com>
339 lines
15 KiB
C
339 lines
15 KiB
C
/*
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* (C) Copyright 2013
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* NVIDIA Corporation <www.nvidia.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _PINMUX_CONFIG_VENICE2_H_
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#define _PINMUX_CONFIG_VENICE2_H_
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#define DEFAULT_PINMUX(_pingroup, _mux, _pull, _tri, _io) \
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{ \
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.pingroup = PINGRP_##_pingroup, \
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.func = PMUX_FUNC_##_mux, \
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.pull = PMUX_PULL_##_pull, \
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.tristate = PMUX_TRI_##_tri, \
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.io = PMUX_PIN_##_io, \
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.lock = PMUX_PIN_LOCK_DEFAULT, \
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.od = PMUX_PIN_OD_DEFAULT, \
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.ioreset = PMUX_PIN_IO_RESET_DEFAULT, \
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}
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#define I2C_PINMUX(_pingroup, _mux, _pull, _tri, _io, _lock, _od) \
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{ \
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.pingroup = PINGRP_##_pingroup, \
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.func = PMUX_FUNC_##_mux, \
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.pull = PMUX_PULL_##_pull, \
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.tristate = PMUX_TRI_##_tri, \
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.io = PMUX_PIN_##_io, \
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.lock = PMUX_PIN_LOCK_##_lock, \
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.od = PMUX_PIN_OD_##_od, \
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.ioreset = PMUX_PIN_IO_RESET_DEFAULT, \
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}
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#define DDC_PINMUX(_pingroup, _mux, _pull, _tri, _io, _lock, _rcv_sel) \
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{ \
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.pingroup = PINGRP_##_pingroup, \
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.func = PMUX_FUNC_##_mux, \
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.pull = PMUX_PULL_##_pull, \
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.tristate = PMUX_TRI_##_tri, \
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.io = PMUX_PIN_##_io, \
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.lock = PMUX_PIN_LOCK_##_lock, \
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.rcv_sel = PMUX_PIN_RCV_SEL_##_rcv_sel, \
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.ioreset = PMUX_PIN_IO_RESET_DEFAULT, \
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}
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#define VI_PINMUX(_pingroup, _mux, _pull, _tri, _io, _lock, _ioreset) \
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{ \
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.pingroup = PINGRP_##_pingroup, \
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.func = PMUX_FUNC_##_mux, \
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.pull = PMUX_PULL_##_pull, \
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.tristate = PMUX_TRI_##_tri, \
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.io = PMUX_PIN_##_io, \
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.lock = PMUX_PIN_LOCK_##_lock, \
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.od = PMUX_PIN_OD_DEFAULT, \
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.ioreset = PMUX_PIN_IO_RESET_##_ioreset \
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}
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#define CEC_PINMUX(_pingroup, _mux, _pull, _tri, _io, _lock, _od) \
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{ \
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.pingroup = PINGRP_##_pingroup, \
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.func = PMUX_FUNC_##_mux, \
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.pull = PMUX_PULL_##_pull, \
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.tristate = PMUX_TRI_##_tri, \
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.io = PMUX_PIN_##_io, \
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.lock = PMUX_PIN_LOCK_##_lock, \
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.od = PMUX_PIN_OD_##_od, \
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.ioreset = PMUX_PIN_IO_RESET_DEFAULT, \
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}
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#define USB_PINMUX CEC_PINMUX
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#define DEFAULT_PADCFG(_padgrp, _slwf, _slwr, _drvup, _drvdn, _lpmd, _schmt, _hsm) \
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{ \
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.padgrp = PDRIVE_PINGROUP_##_padgrp, \
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.slwf = _slwf, \
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.slwr = _slwr, \
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.drvup = _drvup, \
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.drvdn = _drvdn, \
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.lpmd = PGRP_LPMD_##_lpmd, \
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.schmt = PGRP_SCHMT_##_schmt, \
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.hsm = PGRP_HSM_##_hsm, \
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}
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static struct pingroup_config tegra124_pinmux_common[] = {
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/* EXTPERIPH1 pinmux */
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DEFAULT_PINMUX(CLK1_OUT, EXTPERIPH1, NORMAL, NORMAL, OUTPUT),
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/* I2S0 pinmux */
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DEFAULT_PINMUX(DAP1_DIN, I2S0, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(DAP1_DOUT, I2S0, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(DAP1_FS, I2S0, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(DAP1_SCLK, I2S0, NORMAL, NORMAL, INPUT),
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/* I2S1 pinmux */
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DEFAULT_PINMUX(DAP2_DIN, I2S1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(DAP2_DOUT, I2S1, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(DAP2_FS, I2S1, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(DAP2_SCLK, I2S1, NORMAL, NORMAL, INPUT),
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/* I2S3 pinmux */
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DEFAULT_PINMUX(DAP4_DIN, I2S3, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(DAP4_DOUT, I2S3, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(DAP4_FS, I2S3, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(DAP4_SCLK, I2S3, NORMAL, NORMAL, INPUT),
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/* CLDVFS pinmux */
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DEFAULT_PINMUX(DVFS_PWM, CLDVFS, NORMAL, NORMAL, OUTPUT),
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DEFAULT_PINMUX(DVFS_CLK, CLDVFS, NORMAL, NORMAL, OUTPUT),
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/* ULPI pinmux */
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DEFAULT_PINMUX(ULPI_DATA0, ULPI, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_DATA1, ULPI, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_DATA2, ULPI, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_DATA3, ULPI, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_DATA4, ULPI, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_DATA5, ULPI, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_DATA6, ULPI, NORMAL, NORMAL, INPUT),
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/* EC KBC/SPI */
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DEFAULT_PINMUX(ULPI_CLK, SPI1, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_DIR, SPI1, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_NXT, SPI1, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(ULPI_STP, SPI1, NORMAL, NORMAL, INPUT),
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/* I2C3 (TPM) pinmux */
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I2C_PINMUX(CAM_I2C_SCL, I2C3, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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I2C_PINMUX(CAM_I2C_SDA, I2C3, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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/* I2C2 pinmux */
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I2C_PINMUX(GEN2_I2C_SCL, I2C2, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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I2C_PINMUX(GEN2_I2C_SDA, I2C2, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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/* UARTD pinmux (UART4 on Servo board, unused) */
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DEFAULT_PINMUX(GPIO_PJ7, UARTD, NORMAL, NORMAL, OUTPUT),
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DEFAULT_PINMUX(GPIO_PB0, UARTD, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PB1, UARTD, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PK7, UARTD, NORMAL, NORMAL, OUTPUT),
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/* SPI4 (Winbond 'boot ROM') */
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DEFAULT_PINMUX(GPIO_PG5, SPI4, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PG6, SPI4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PG7, SPI4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PI3, SPI4, NORMAL, NORMAL, INPUT),
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/* Touch IRQ */
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DEFAULT_PINMUX(GPIO_W3_AUD, RSVD1, NORMAL, NORMAL, INPUT),
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/* PWM1 pinmux */
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DEFAULT_PINMUX(GPIO_PH1, PWM1, NORMAL, NORMAL, OUTPUT),
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/* SDMMC1 pinmux */
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DEFAULT_PINMUX(SDMMC1_CLK, SDMMC1, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC1_CMD, SDMMC1, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC1_DAT0, SDMMC1, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC1_DAT1, SDMMC1, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC1_DAT2, SDMMC1, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC1_DAT3, SDMMC1, UP, NORMAL, INPUT),
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/* SDMMC3 pinmux */
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DEFAULT_PINMUX(SDMMC3_CLK, SDMMC3, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC3_CMD, SDMMC3, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC3_DAT0, SDMMC3, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC3_DAT1, SDMMC3, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC3_DAT2, SDMMC3, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC3_DAT3, SDMMC3, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC3_CLK_LB_IN, SDMMC3, UP, TRISTATE, INPUT),
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DEFAULT_PINMUX(SDMMC3_CLK_LB_OUT, SDMMC3, DOWN, NORMAL, INPUT),
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/* SDMMC4 pinmux */
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DEFAULT_PINMUX(SDMMC4_CLK, SDMMC4, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_CMD, SDMMC4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_DAT0, SDMMC4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_DAT1, SDMMC4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_DAT2, SDMMC4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_DAT3, SDMMC4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_DAT4, SDMMC4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_DAT5, SDMMC4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_DAT6, SDMMC4, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC4_DAT7, SDMMC4, UP, NORMAL, INPUT),
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/* BLINK pinmux */
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DEFAULT_PINMUX(CLK_32K_OUT, BLINK, NORMAL, NORMAL, OUTPUT),
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/* KBC pinmux */
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DEFAULT_PINMUX(KB_COL0, KBC, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(KB_COL1, KBC, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(KB_COL2, KBC, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(KB_ROW0, KBC, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(KB_ROW1, KBC, UP, NORMAL, INPUT),
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/* Misc */
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DEFAULT_PINMUX(GPIO_PV0, RSVD1, NORMAL, TRISTATE, OUTPUT),
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DEFAULT_PINMUX(KB_ROW7, RSVD1, UP, NORMAL, INPUT),
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/* UARTA pinmux (BR_UART_TXD/RXD on Servo board) */
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DEFAULT_PINMUX(KB_ROW9, UARTA, UP, NORMAL, OUTPUT),
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DEFAULT_PINMUX(KB_ROW10, UARTA, UP, TRISTATE, INPUT),
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/* I2CPWR pinmux (I2C5) */
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I2C_PINMUX(PWR_I2C_SCL, I2CPWR, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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I2C_PINMUX(PWR_I2C_SDA, I2CPWR, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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/* RTCK pinmux */
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DEFAULT_PINMUX(JTAG_RTCK, RTCK, NORMAL, NORMAL, INPUT),
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/* CLK pinmux */
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DEFAULT_PINMUX(CLK_32K_IN, CLK, NORMAL, TRISTATE, INPUT),
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/* PWRON pinmux */
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DEFAULT_PINMUX(CORE_PWR_REQ, PWRON, NORMAL, NORMAL, OUTPUT),
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/* CPU pinmux */
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DEFAULT_PINMUX(CPU_PWR_REQ, CPU, NORMAL, NORMAL, OUTPUT),
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/* PMI pinmux */
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DEFAULT_PINMUX(PWR_INT_N, PMI, NORMAL, TRISTATE, INPUT),
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/* RESET_OUT_N pinmux */
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DEFAULT_PINMUX(RESET_OUT_N, RESET_OUT_N, NORMAL, NORMAL, OUTPUT),
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/* EXTPERIPH3 pinmux */
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DEFAULT_PINMUX(CLK3_OUT, EXTPERIPH3, NORMAL, NORMAL, OUTPUT),
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/* I2C1 pinmux */
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I2C_PINMUX(GEN1_I2C_SCL, I2C1, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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I2C_PINMUX(GEN1_I2C_SDA, I2C1, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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/* UARTB, GPS */
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DEFAULT_PINMUX(UART2_CTS_N, UARTB, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(UART2_RTS_N, UARTB, NORMAL, NORMAL, OUTPUT),
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DEFAULT_PINMUX(UART2_RXD, UARTB, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(UART2_TXD, UARTB, NORMAL, NORMAL, OUTPUT),
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/* UARTC (WIFI/BT) */
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DEFAULT_PINMUX(UART3_CTS_N, UARTC, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(UART3_RTS_N, UARTC, NORMAL, NORMAL, OUTPUT),
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DEFAULT_PINMUX(UART3_RXD, UARTC, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(UART3_TXD, UARTC, NORMAL, NORMAL, OUTPUT),
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/* CEC pinmux */
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CEC_PINMUX(HDMI_CEC, CEC, NORMAL, NORMAL, INPUT, DEFAULT, DISABLE),
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/* I2C4 (HDMI_DDC) pinmux */
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DDC_PINMUX(DDC_SCL, I2C4, NORMAL, NORMAL, INPUT, DEFAULT, HIGH),
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DDC_PINMUX(DDC_SDA, I2C4, NORMAL, NORMAL, INPUT, DEFAULT, HIGH),
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/* USB pinmux */
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USB_PINMUX(USB_VBUS_EN0, USB, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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USB_PINMUX(USB_VBUS_EN1, USB, NORMAL, NORMAL, INPUT, DEFAULT, ENABLE),
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/* Unused, marked SNN_ on schematic, TRISTATE 'em */
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DEFAULT_PINMUX(GPIO_PBB0, RSVD3, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PBB3, RSVD3, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PBB4, RSVD3, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PBB5, RSVD2, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PBB6, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PBB7, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PCC1, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PCC2, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PH3, GMI, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PI7, GMI, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PJ2, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_X5_AUD, RSVD3, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_X6_AUD, GMI, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_W2_AUD, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(GPIO_PFF2, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(USB_VBUS_EN2, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(KB_COL5, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(KB_ROW2, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(KB_ROW3, KBC, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(KB_ROW5, RSVD2, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(KB_ROW6, KBC, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(KB_ROW13, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(KB_ROW14, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(KB_ROW16, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(OWR, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(ULPI_DATA7, ULPI, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(DAP3_DIN, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(DAP3_FS, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(DAP3_SCLK, RSVD2, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(CLK2_OUT, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(SDMMC1_WP_N, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(CAM_MCLK, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(CLK3_REQ, RSVD1, NORMAL, TRISTATE, INPUT),
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DEFAULT_PINMUX(SPDIF_OUT, RSVD1, NORMAL, TRISTATE, INPUT),
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};
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static struct pingroup_config unused_pins_lowpower[] = {
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DEFAULT_PINMUX(CLK1_REQ, RSVD3, DOWN, TRISTATE, OUTPUT),
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};
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/* Initially setting all used GPIO's to non-TRISTATE */
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static struct pingroup_config tegra124_pinmux_set_nontristate[] = {
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DEFAULT_PINMUX(GPIO_X4_AUD, RSVD1, DOWN, NORMAL, OUTPUT),
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DEFAULT_PINMUX(GPIO_X7_AUD, RSVD1, DOWN, NORMAL, OUTPUT),
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DEFAULT_PINMUX(GPIO_W2_AUD, RSVD1, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_X3_AUD, RSVD3, UP, NORMAL, INPUT),
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/* EN_VDD_BL */
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DEFAULT_PINMUX(DAP3_DOUT, I2S2, DOWN, NORMAL, OUTPUT),
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/* MODEM */
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DEFAULT_PINMUX(GPIO_PV0, RSVD3, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PV1, RSVD1, NORMAL, NORMAL, INPUT),
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/* BOOT_SEL0-3 */
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DEFAULT_PINMUX(GPIO_PG0, GMI, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PG1, GMI, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PG2, GMI, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PG3, GMI, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(CLK2_REQ, RSVD3, NORMAL, NORMAL, OUTPUT),
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DEFAULT_PINMUX(KB_COL3, KBC, UP, NORMAL, OUTPUT),
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DEFAULT_PINMUX(KB_COL4, SDMMC3, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(KB_COL6, KBC, UP, NORMAL, OUTPUT),
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DEFAULT_PINMUX(KB_COL7, KBC, UP, NORMAL, OUTPUT),
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DEFAULT_PINMUX(KB_ROW4, KBC, DOWN, NORMAL, INPUT),
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DEFAULT_PINMUX(KB_ROW8, KBC, UP, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PU4, RSVD3, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(GPIO_PU5, RSVD3, NORMAL, NORMAL, OUTPUT),
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DEFAULT_PINMUX(GPIO_PU6, RSVD3, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(HDMI_INT, RSVD1, DOWN, NORMAL, INPUT),
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DEFAULT_PINMUX(SPDIF_IN, USB, NORMAL, NORMAL, INPUT),
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DEFAULT_PINMUX(SDMMC3_CD_N, SDMMC3, UP, NORMAL, INPUT),
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/* TS_SHDN_L */
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DEFAULT_PINMUX(GPIO_PK1, GMI, NORMAL, NORMAL, OUTPUT),
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};
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static struct padctrl_config venice2_padctrl[] = {
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/* (_padgrp, _slwf, _slwr, _drvup, _drvdn, _lpmd, _schmt, _hsm) */
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DEFAULT_PADCFG(SDIO3, SDIOCFG_DRVUP_SLWF, SDIOCFG_DRVDN_SLWR,
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SDIOCFG_DRVUP, SDIOCFG_DRVDN, NONE, NONE, NONE),
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};
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#endif /* PINMUX_CONFIG_VENICE2_H */
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