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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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77
arch/arm/mach-imx/iomux-v3.c Normal file
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/*
* Copyright 2004-2006 Freescale Semiconductor, Inc. All Rights Reserved.
* Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
* Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH,
* <armlinux@phytec.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/gpio.h>
#include <asm/mach/map.h>
#include "hardware.h"
#include "iomux-v3.h"
static void __iomem *base;
/*
* configures a single pad in the iomuxer
*/
int mxc_iomux_v3_setup_pad(iomux_v3_cfg_t pad)
{
u32 mux_ctrl_ofs = (pad & MUX_CTRL_OFS_MASK) >> MUX_CTRL_OFS_SHIFT;
u32 mux_mode = (pad & MUX_MODE_MASK) >> MUX_MODE_SHIFT;
u32 sel_input_ofs = (pad & MUX_SEL_INPUT_OFS_MASK) >> MUX_SEL_INPUT_OFS_SHIFT;
u32 sel_input = (pad & MUX_SEL_INPUT_MASK) >> MUX_SEL_INPUT_SHIFT;
u32 pad_ctrl_ofs = (pad & MUX_PAD_CTRL_OFS_MASK) >> MUX_PAD_CTRL_OFS_SHIFT;
u32 pad_ctrl = (pad & MUX_PAD_CTRL_MASK) >> MUX_PAD_CTRL_SHIFT;
if (mux_ctrl_ofs)
__raw_writel(mux_mode, base + mux_ctrl_ofs);
if (sel_input_ofs)
__raw_writel(sel_input, base + sel_input_ofs);
if (!(pad_ctrl & NO_PAD_CTRL) && pad_ctrl_ofs)
__raw_writel(pad_ctrl, base + pad_ctrl_ofs);
return 0;
}
int mxc_iomux_v3_setup_multiple_pads(iomux_v3_cfg_t *pad_list, unsigned count)
{
iomux_v3_cfg_t *p = pad_list;
int i;
int ret;
for (i = 0; i < count; i++) {
ret = mxc_iomux_v3_setup_pad(*p);
if (ret)
return ret;
p++;
}
return 0;
}
void mxc_iomux_v3_init(void __iomem *iomux_v3_base)
{
base = iomux_v3_base;
}