d2912cb15b
Based on 2 normalized pattern(s): 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 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 # extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 4122 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Enrico Weigelt <info@metux.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* linux/drivers/pcmcia/pxa2xx_vpac270.c
|
|
*
|
|
* Driver for Voipac PXA270 PCMCIA and CF sockets
|
|
*
|
|
* Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
|
|
*/
|
|
|
|
#include <linux/gpio.h>
|
|
#include <linux/module.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
|
|
#include <mach/vpac270.h>
|
|
|
|
#include "soc_common.h"
|
|
|
|
static struct gpio vpac270_pcmcia_gpios[] = {
|
|
{ GPIO107_VPAC270_PCMCIA_PPEN, GPIOF_INIT_LOW, "PCMCIA PPEN" },
|
|
{ GPIO11_VPAC270_PCMCIA_RESET, GPIOF_INIT_LOW, "PCMCIA Reset" },
|
|
};
|
|
|
|
static struct gpio vpac270_cf_gpios[] = {
|
|
{ GPIO16_VPAC270_CF_RESET, GPIOF_INIT_LOW, "CF Reset" },
|
|
};
|
|
|
|
static int vpac270_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
|
|
{
|
|
int ret;
|
|
|
|
if (skt->nr == 0) {
|
|
ret = gpio_request_array(vpac270_pcmcia_gpios,
|
|
ARRAY_SIZE(vpac270_pcmcia_gpios));
|
|
|
|
skt->stat[SOC_STAT_CD].gpio = GPIO84_VPAC270_PCMCIA_CD;
|
|
skt->stat[SOC_STAT_CD].name = "PCMCIA CD";
|
|
skt->stat[SOC_STAT_RDY].gpio = GPIO35_VPAC270_PCMCIA_RDY;
|
|
skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready";
|
|
} else {
|
|
ret = gpio_request_array(vpac270_cf_gpios,
|
|
ARRAY_SIZE(vpac270_cf_gpios));
|
|
|
|
skt->stat[SOC_STAT_CD].gpio = GPIO17_VPAC270_CF_CD;
|
|
skt->stat[SOC_STAT_CD].name = "CF CD";
|
|
skt->stat[SOC_STAT_RDY].gpio = GPIO12_VPAC270_CF_RDY;
|
|
skt->stat[SOC_STAT_RDY].name = "CF Ready";
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void vpac270_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
|
|
{
|
|
if (skt->nr == 0)
|
|
gpio_free_array(vpac270_pcmcia_gpios,
|
|
ARRAY_SIZE(vpac270_pcmcia_gpios));
|
|
else
|
|
gpio_free_array(vpac270_cf_gpios,
|
|
ARRAY_SIZE(vpac270_cf_gpios));
|
|
}
|
|
|
|
static void vpac270_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
|
|
struct pcmcia_state *state)
|
|
{
|
|
state->vs_3v = 1;
|
|
state->vs_Xv = 0;
|
|
}
|
|
|
|
static int
|
|
vpac270_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
|
|
const socket_state_t *state)
|
|
{
|
|
if (skt->nr == 0) {
|
|
gpio_set_value(GPIO11_VPAC270_PCMCIA_RESET,
|
|
(state->flags & SS_RESET));
|
|
gpio_set_value(GPIO107_VPAC270_PCMCIA_PPEN,
|
|
!(state->Vcc == 33 || state->Vcc == 50));
|
|
} else {
|
|
gpio_set_value(GPIO16_VPAC270_CF_RESET,
|
|
(state->flags & SS_RESET));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct pcmcia_low_level vpac270_pcmcia_ops = {
|
|
.owner = THIS_MODULE,
|
|
|
|
.first = 0,
|
|
.nr = 2,
|
|
|
|
.hw_init = vpac270_pcmcia_hw_init,
|
|
.hw_shutdown = vpac270_pcmcia_hw_shutdown,
|
|
|
|
.socket_state = vpac270_pcmcia_socket_state,
|
|
.configure_socket = vpac270_pcmcia_configure_socket,
|
|
};
|
|
|
|
static struct platform_device *vpac270_pcmcia_device;
|
|
|
|
static int __init vpac270_pcmcia_init(void)
|
|
{
|
|
int ret;
|
|
|
|
if (!machine_is_vpac270())
|
|
return -ENODEV;
|
|
|
|
vpac270_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
|
|
if (!vpac270_pcmcia_device)
|
|
return -ENOMEM;
|
|
|
|
ret = platform_device_add_data(vpac270_pcmcia_device,
|
|
&vpac270_pcmcia_ops, sizeof(vpac270_pcmcia_ops));
|
|
|
|
if (!ret)
|
|
ret = platform_device_add(vpac270_pcmcia_device);
|
|
|
|
if (ret)
|
|
platform_device_put(vpac270_pcmcia_device);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __exit vpac270_pcmcia_exit(void)
|
|
{
|
|
platform_device_unregister(vpac270_pcmcia_device);
|
|
}
|
|
|
|
module_init(vpac270_pcmcia_init);
|
|
module_exit(vpac270_pcmcia_exit);
|
|
|
|
MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
|
|
MODULE_DESCRIPTION("PCMCIA support for Voipac PXA270");
|
|
MODULE_ALIAS("platform:pxa2xx-pcmcia");
|
|
MODULE_LICENSE("GPL");
|