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Commit dca7cf33 authored by sfking@fdwdc.com's avatar sfking@fdwdc.com Committed by Greg Ungerer
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generic GPIO support for the Freescale Coldfire 5407. 



Add support for the 5407.

Signed-off-by: default avatarSteven King <sfking@fdwdc.com>
Signed-off-by: default avatarGreg Ungerer <gerg@uclinux.org>
parent 7846fe80

arch/m68k/include/asm/m5407sim.h

+8 −2
Original line number Diff line number Diff line
@@ -73,9 +73,15 @@ 
#define MCFSIM_DACR1		0x110		/* DRAM 1 Addr and Ctrl (r/w) */

#define MCFSIM_DMR1		0x114		/* DRAM 1 Mask reg (r/w) */



#define	MCFSIM_PADDR		0x244		/* Parallel Direction (r/w) */

#define	MCFSIM_PADAT		0x248		/* Parallel Data (r/w) */

#define	MCFSIM_PADDR		(MCF_MBAR + 0x244)

#define	MCFSIM_PADAT		(MCF_MBAR + 0x248)



/*

 * Generic GPIO support

 */

#define MCFGPIO_PIN_MAX			16

#define MCFGPIO_IRQ_MAX			-1

#define MCFGPIO_IRQ_VECBASE		-1



/*

 *	Some symbol defines for the above...

arch/m68knommu/platform/5407/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -14,5 +14,5 @@ 


asflags-$(CONFIG_FULLDEBUG) := -DDEBUGGER_COMPATIBLE_CACHE=1



obj-y := config.o

obj-y := config.o gpio.o

arch/m68knommu/platform/5407/gpio.c

0 → 100644
+49 −0
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/*

 * Coldfire generic GPIO support

 *

 * (C) Copyright 2009, Steven King <sfking@fdwdc.com>

 *

 * 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; version 2 of the License.

 *

 * 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.

*/



#include <linux/kernel.h>

#include <linux/init.h>



#include <asm/coldfire.h>

#include <asm/mcfsim.h>

#include <asm/mcfgpio.h>



static struct mcf_gpio_chip mcf_gpio_chips[] = {

	{

		.gpio_chip			= {

			.label			= "PP",

			.request		= mcf_gpio_request,

			.free			= mcf_gpio_free,

			.direction_input	= mcf_gpio_direction_input,

			.direction_output	= mcf_gpio_direction_output,

			.get			= mcf_gpio_get_value,

			.set			= mcf_gpio_set_value,

			.ngpio			= 16,

		},

		.pddr				= MCFSIM_PADDR,

		.podr				= MCFSIM_PADAT,

		.ppdr				= MCFSIM_PADAT,

	},

};



static int __init mcf_gpio_init(void)

{

	unsigned i = 0;

	while (i < ARRAY_SIZE(mcf_gpio_chips))

		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);

	return 0;

}



core_initcall(mcf_gpio_init);