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yaml
---
r: 225963
b: refs/heads/master
c: 960c0ac
h: refs/heads/master
i:
  225961: 45e70a4
  225959: 2e608f0
v: v3
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Marek Vasut authored and Eric Miao committed Dec 20, 2010
1 parent 702e516 commit 5a1762b
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Showing 5 changed files with 235 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a4257af5b0c5479bb81597579841e9daaeccd7f6
refs/heads/master: 960c0acaabf603e39b121ae5c0580aaca6f8aa7b
18 changes: 18 additions & 0 deletions trunk/arch/arm/mach-pxa/colibri-pxa270-evalboard.c
Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,24 @@ static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {
GPIO89_USBH1_PEN,
GPIO119_USBH2_PWR,
GPIO120_USBH2_PEN,

/* PCMCIA */
GPIO85_nPCE_1,
GPIO54_nPCE_2,
GPIO55_nPREG,
GPIO50_nPIOR,
GPIO51_nPIOW,
GPIO49_nPWE,
GPIO48_nPOE,
GPIO57_nIOIS16,
GPIO56_nPWAIT,
GPIO104_PSKTSEL,
GPIO53_GPIO, /* RESET */
GPIO83_GPIO, /* BVD1 */
GPIO82_GPIO, /* BVD2 */
GPIO1_GPIO, /* READY */
GPIO84_GPIO, /* DETECT */
GPIO107_GPIO, /* PPEN */
};

/******************************************************************************
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2 changes: 1 addition & 1 deletion trunk/drivers/pcmcia/Kconfig
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Expand Up @@ -215,7 +215,7 @@ config PCMCIA_PXA2XX
depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
|| MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
|| ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \
|| MACH_VPAC270 || MACH_BALLOON3)
|| MACH_VPAC270 || MACH_BALLOON3 || MACH_COLIBRI)
select PCMCIA_SOC_COMMON
help
Say Y here to include support for the PXA2xx PCMCIA controller
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1 change: 1 addition & 0 deletions trunk/drivers/pcmcia/Makefile
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Expand Up @@ -70,6 +70,7 @@ pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o
pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o
pxa2xx-obj-$(CONFIG_MACH_VPAC270) += pxa2xx_vpac270.o
pxa2xx-obj-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o
pxa2xx-obj-$(CONFIG_MACH_COLIBRI) += pxa2xx_colibri.o

obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y)

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214 changes: 214 additions & 0 deletions trunk/drivers/pcmcia/pxa2xx_colibri.c
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@@ -0,0 +1,214 @@
/*
* linux/drivers/pcmcia/pxa2xx_colibri.c
*
* Driver for Toradex Colibri PXA270 CF socket
*
* Copyright (C) 2010 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 <linux/delay.h>
#include <linux/gpio.h>

#include <asm/mach-types.h>

#include "soc_common.h"

#define COLIBRI270_RESET_GPIO 53
#define COLIBRI270_PPEN_GPIO 107
#define COLIBRI270_BVD1_GPIO 83
#define COLIBRI270_BVD2_GPIO 82
#define COLIBRI270_DETECT_GPIO 84
#define COLIBRI270_READY_GPIO 1

static struct {
int reset_gpio;
int ppen_gpio;
int bvd1_gpio;
int bvd2_gpio;
int detect_gpio;
int ready_gpio;
} colibri_pcmcia_gpio;

static struct pcmcia_irqs colibri_irqs[] = {
{
.sock = 0,
.str = "PCMCIA CD"
},
};

static int colibri_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
int ret;

ret = gpio_request(colibri_pcmcia_gpio.detect_gpio, "DETECT");
if (ret)
goto err1;
ret = gpio_direction_input(colibri_pcmcia_gpio.detect_gpio);
if (ret)
goto err2;

ret = gpio_request(colibri_pcmcia_gpio.ready_gpio, "READY");
if (ret)
goto err2;
ret = gpio_direction_input(colibri_pcmcia_gpio.ready_gpio);
if (ret)
goto err3;

ret = gpio_request(colibri_pcmcia_gpio.bvd1_gpio, "BVD1");
if (ret)
goto err3;
ret = gpio_direction_input(colibri_pcmcia_gpio.bvd1_gpio);
if (ret)
goto err4;

ret = gpio_request(colibri_pcmcia_gpio.bvd2_gpio, "BVD2");
if (ret)
goto err4;
ret = gpio_direction_input(colibri_pcmcia_gpio.bvd2_gpio);
if (ret)
goto err5;

ret = gpio_request(colibri_pcmcia_gpio.ppen_gpio, "PPEN");
if (ret)
goto err5;
ret = gpio_direction_output(colibri_pcmcia_gpio.ppen_gpio, 0);
if (ret)
goto err6;

ret = gpio_request(colibri_pcmcia_gpio.reset_gpio, "RESET");
if (ret)
goto err6;
ret = gpio_direction_output(colibri_pcmcia_gpio.reset_gpio, 1);
if (ret)
goto err7;

colibri_irqs[0].irq = gpio_to_irq(colibri_pcmcia_gpio.detect_gpio);
skt->socket.pci_irq = gpio_to_irq(colibri_pcmcia_gpio.ready_gpio);

return soc_pcmcia_request_irqs(skt, colibri_irqs,
ARRAY_SIZE(colibri_irqs));

err7:
gpio_free(colibri_pcmcia_gpio.detect_gpio);
err6:
gpio_free(colibri_pcmcia_gpio.ready_gpio);
err5:
gpio_free(colibri_pcmcia_gpio.bvd1_gpio);
err4:
gpio_free(colibri_pcmcia_gpio.bvd2_gpio);
err3:
gpio_free(colibri_pcmcia_gpio.reset_gpio);
err2:
gpio_free(colibri_pcmcia_gpio.ppen_gpio);
err1:
return ret;
}

static void colibri_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
gpio_free(colibri_pcmcia_gpio.detect_gpio);
gpio_free(colibri_pcmcia_gpio.ready_gpio);
gpio_free(colibri_pcmcia_gpio.bvd1_gpio);
gpio_free(colibri_pcmcia_gpio.bvd2_gpio);
gpio_free(colibri_pcmcia_gpio.reset_gpio);
gpio_free(colibri_pcmcia_gpio.ppen_gpio);
}

static void colibri_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
struct pcmcia_state *state)
{

state->detect = !!gpio_get_value(colibri_pcmcia_gpio.detect_gpio);
state->ready = !!gpio_get_value(colibri_pcmcia_gpio.ready_gpio);
state->bvd1 = !!gpio_get_value(colibri_pcmcia_gpio.bvd1_gpio);
state->bvd2 = !!gpio_get_value(colibri_pcmcia_gpio.bvd2_gpio);
state->wrprot = 0;
state->vs_3v = 1;
state->vs_Xv = 0;
}

static int
colibri_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
const socket_state_t *state)
{
gpio_set_value(colibri_pcmcia_gpio.ppen_gpio,
!(state->Vcc == 33 && state->Vpp < 50));
gpio_set_value(colibri_pcmcia_gpio.reset_gpio, state->flags & SS_RESET);
return 0;
}

static void colibri_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
{
}

static void colibri_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
{
}

static struct pcmcia_low_level colibri_pcmcia_ops = {
.owner = THIS_MODULE,

.first = 0,
.nr = 1,

.hw_init = colibri_pcmcia_hw_init,
.hw_shutdown = colibri_pcmcia_hw_shutdown,

.socket_state = colibri_pcmcia_socket_state,
.configure_socket = colibri_pcmcia_configure_socket,

.socket_init = colibri_pcmcia_socket_init,
.socket_suspend = colibri_pcmcia_socket_suspend,
};

static struct platform_device *colibri_pcmcia_device;

static int __init colibri_pcmcia_init(void)
{
int ret;

colibri_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
if (!colibri_pcmcia_device)
return -ENOMEM;

/* Colibri PXA270 */
if (machine_is_colibri()) {
colibri_pcmcia_gpio.reset_gpio = COLIBRI270_RESET_GPIO;
colibri_pcmcia_gpio.ppen_gpio = COLIBRI270_PPEN_GPIO;
colibri_pcmcia_gpio.bvd1_gpio = COLIBRI270_BVD1_GPIO;
colibri_pcmcia_gpio.bvd2_gpio = COLIBRI270_BVD2_GPIO;
colibri_pcmcia_gpio.detect_gpio = COLIBRI270_DETECT_GPIO;
colibri_pcmcia_gpio.ready_gpio = COLIBRI270_READY_GPIO;
}

ret = platform_device_add_data(colibri_pcmcia_device,
&colibri_pcmcia_ops, sizeof(colibri_pcmcia_ops));

if (!ret)
ret = platform_device_add(colibri_pcmcia_device);

if (ret)
platform_device_put(colibri_pcmcia_device);

return ret;
}

static void __exit colibri_pcmcia_exit(void)
{
platform_device_unregister(colibri_pcmcia_device);
}

module_init(colibri_pcmcia_init);
module_exit(colibri_pcmcia_exit);

MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
MODULE_DESCRIPTION("PCMCIA support for Toradex Colibri PXA270");
MODULE_ALIAS("platform:pxa2xx-pcmcia");
MODULE_LICENSE("GPL");

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