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Commit 35978408 authored by Marek Vašut's avatar Marek Vašut Committed by Russell King
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[ARM] 5154/1: PalmTX PCMCIA 



This patch adds PCMCIA support for PalmTX handheld computer.
There is one chip hard-soldered to slot0, another slot is
not in use and not accessible.

Signed-off-by: default avatarMarek Vasut <marek.vasut@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent b5e4ad57

arch/arm/mach-pxa/palmtx.c

+12 −0
Original line number Diff line number Diff line
@@ -69,6 +69,18 @@ static unsigned long palmtx_pin_config[] __initdata = { 


	/* USB */

	GPIO13_GPIO,



	/* PCMCIA */

	GPIO48_nPOE,

	GPIO49_nPWE,

	GPIO50_nPIOR,

	GPIO51_nPIOW,

	GPIO85_nPCE_1,

	GPIO54_nPCE_2,

	GPIO79_PSKTSEL,

	GPIO55_nPREG,

	GPIO56_nPWAIT,

	GPIO57_nIOIS16,

};



/******************************************************************************

drivers/pcmcia/Kconfig

+2 −1
Original line number Diff line number Diff line
@@ -219,7 +219,8 @@ config PCMCIA_SA1111 
config PCMCIA_PXA2XX

	tristate "PXA2xx support"

	depends on ARM && ARCH_PXA && PCMCIA

	depends on ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL || MACH_ARMCORE

	depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \

		    || MACH_ARMCORE || ARCH_PXA_PALM)

	help

	  Say Y here to include support for the PXA2xx PCMCIA controller

drivers/pcmcia/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -71,4 +71,5 @@ pxa2xx_cs-$(CONFIG_ARCH_LUBBOCK) += pxa2xx_lubbock.o sa1111_generic.o 
pxa2xx_cs-$(CONFIG_MACH_MAINSTONE)		+= pxa2xx_mainstone.o

pxa2xx_cs-$(CONFIG_PXA_SHARPSL)			+= pxa2xx_sharpsl.o

pxa2xx_cs-$(CONFIG_MACH_ARMCORE)		+= pxa2xx_cm_x270.o

pxa2xx_cs-$(CONFIG_MACH_PALMTX)		+= pxa2xx_palmtx.o

drivers/pcmcia/pxa2xx_palmtx.c

0 → 100644
+118 −0
Original line number Diff line number Diff line 
/*

 * linux/drivers/pcmcia/pxa2xx_palmtx.c

 *

 * Driver for Palm T|X PCMCIA

 *

 * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 */



#include <linux/module.h>

#include <linux/platform_device.h>



#include <asm/mach-types.h>



#include <asm/arch/gpio.h>

#include <asm/arch/palmtx.h>



#include "soc_common.h"



static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt)

{

	skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY);

	return 0;

}



static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)

{

}



static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt,

					struct pcmcia_state *state)

{

	state->detect = 1; /* always inserted */

	state->ready  = !!gpio_get_value(GPIO_NR_PALMTX_PCMCIA_READY);

	state->bvd1   = 1;

	state->bvd2   = 1;

	state->wrprot = 0;

	state->vs_3v  = 1;

	state->vs_Xv  = 0;

}



static int

palmtx_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,

				const socket_state_t *state)

{

	gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER1, 1);

	gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER2, 1);

	gpio_set_value(GPIO_NR_PALMTX_PCMCIA_RESET,

			!!(state->flags & SS_RESET));



	return 0;

}



static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt)

{

}



static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)

{

}



static struct pcmcia_low_level palmtx_pcmcia_ops = {

	.owner			= THIS_MODULE,



	.first			= 0,

	.nr			= 1,



	.hw_init		= palmtx_pcmcia_hw_init,

	.hw_shutdown		= palmtx_pcmcia_hw_shutdown,



	.socket_state		= palmtx_pcmcia_socket_state,

	.configure_socket	= palmtx_pcmcia_configure_socket,



	.socket_init		= palmtx_pcmcia_socket_init,

	.socket_suspend		= palmtx_pcmcia_socket_suspend,

};



static struct platform_device *palmtx_pcmcia_device;



static int __init palmtx_pcmcia_init(void)

{

	int ret;



	if (!machine_is_palmtx())

		return -ENODEV;



	palmtx_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);

	if (!palmtx_pcmcia_device)

		return -ENOMEM;



	ret = platform_device_add_data(palmtx_pcmcia_device, &palmtx_pcmcia_ops,

					sizeof(palmtx_pcmcia_ops));



	if (!ret)

		ret = platform_device_add(palmtx_pcmcia_device);



	if (ret)

		platform_device_put(palmtx_pcmcia_device);



	return ret;

}



static void __exit palmtx_pcmcia_exit(void)

{

	platform_device_unregister(palmtx_pcmcia_device);

}



fs_initcall(palmtx_pcmcia_init);

module_exit(palmtx_pcmcia_exit);



MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");

MODULE_DESCRIPTION("PCMCIA support for Palm T|X");

MODULE_ALIAS("platform:pxa2xx-pcmcia");

MODULE_LICENSE("GPL");