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MIPS: Add support for PIC32MZDA platform

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This adds support for the Microchip PIC32 MIPS microcontroller with the
specific variant PIC32MZDA. PIC32MZDA is based on the MIPS m14KEc core
and boots using device tree.

This includes an early pin setup and early clock setup needed prior to
device tree being initialized. In additon, an interface is provided to
synchronize access to registers shared across several peripherals.

Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/12097/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Joshua Henderson 2016-01-13 18:15:39 -07:00 • committed by Ralf Baechle
parent 9b9c2cd443
commit 2572f00db8
22 changed files with 1476 additions and 0 deletions
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22
include/linux/platform_data/sdhci-pic32.h Normal file
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/*
* Purna Chandra Mandal, purna.mandal@microchip.com
* Copyright (C) 2015 Microchip Technology Inc. All rights reserved.
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
*
* This program is distributed in the hope 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.
*/
#ifndef __PIC32_SDHCI_PDATA_H__
#define __PIC32_SDHCI_PDATA_H__
struct pic32_sdhci_platform_data {
/* read & write fifo threshold */
int (*setup_dma)(u32 rfifo, u32 wfifo);
};
#endif