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https://github.com/torvalds/linux
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8d7cf8370d
The patch makes necessary changes on gpio-mxs as below to turn it into an upstanding gpio driver. * Clean up the gpio port definition stuff * Use readl/writel to replace mach-specific accessors __raw_readl/__raw_writel * Change mxs_gpio_init into mxs_gpio_probe function And it then migrates mach-mxs to the updated driver by adding corresponding platform devices. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
45 lines
1 KiB
C
45 lines
1 KiB
C
/*
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* Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* The code contained herein is licensed under the GNU General Public
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* License. You may obtain a copy of the GNU General Public License
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* Version 2 or later at the following locations:
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*
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* http://www.opensource.org/licenses/gpl-license.html
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* http://www.gnu.org/copyleft/gpl.html
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*
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* Create static mapping between physical to virtual memory.
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*/
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <asm/mach/map.h>
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#include <mach/mx28.h>
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#include <mach/common.h>
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#include <mach/iomux.h>
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/*
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* Define the MX28 memory map.
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*/
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static struct map_desc mx28_io_desc[] __initdata = {
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mxs_map_entry(MX28, OCRAM, MT_DEVICE),
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mxs_map_entry(MX28, IO, MT_DEVICE),
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};
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/*
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* This function initializes the memory map. It is called during the
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* system startup to create static physical to virtual memory mappings
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* for the IO modules.
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*/
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void __init mx28_map_io(void)
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{
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iotable_init(mx28_io_desc, ARRAY_SIZE(mx28_io_desc));
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}
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void __init mx28_init_irq(void)
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{
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icoll_init_irq();
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}
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