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ARM: sa1100/cerf: convert to generic CF sockets

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Convert Cerf to use the generic CF socket support.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
This commit is contained in:
Russell King 2016-08-31 08:49:47 +01:00
parent 29786e9b65
commit 780febd5b7
5 changed files with 15 additions and 94 deletions
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18
arch/arm/mach-sa1100/cerf.c
View File

@ -11,6 +11,7 @@
*/
#include <linux/init.h>
#include <linux/gpio/machine.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/platform_data/sa11x0-serial.h>
@ -45,6 +46,19 @@ static struct platform_device cerfuart2_device = {
.resource = cerfuart2_resources,
};
/* Compact Flash */
static struct gpiod_lookup_table cerf_cf_gpio_table = {
.dev_id = "sa11x0-pcmcia.1",
.table = {
GPIO_LOOKUP("gpio", 19, "bvd2", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", 20, "bvd1", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", 21, "reset", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", 22, "ready", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", 23, "detect", GPIO_ACTIVE_LOW),
{ },
},
};
/* LEDs */
struct gpio_led cerf_gpio_leds[] = {
{
@ -151,9 +165,6 @@ static void __init cerf_map_io(void)
sa1100_register_uart(0, 3);
sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */
sa1100_register_uart(2, 1);
/* set some GPDR bits here while it's safe */
GPDR |= CERF_GPIO_CF_RESET;
}
static struct mcp_plat_data cerf_mcp_data = {
@ -167,6 +178,7 @@ static void __init cerf_init(void)
platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
sa11x0_register_mtd(&cerf_flash_data, &cerf_flash_resource, 1);
sa11x0_register_mcp(&cerf_mcp_data);
sa11x0_register_pcmcia(1, &cerf_cf_gpio_table);
}
MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")

1
drivers/pcmcia/Makefile
View File

@ -46,7 +46,6 @@ sa1111_cs-$(CONFIG_SA1100_JORNADA720) += sa1111_jornada720.o
sa1111_cs-$(CONFIG_ARCH_LUBBOCK) += sa1111_lubbock.o
sa1100_cs-y += sa1100_generic.o
sa1100_cs-$(CONFIG_SA1100_CERF) += sa1100_cerf.o
sa1100_cs-$(CONFIG_SA1100_COLLIE) += pxa2xx_sharpsl.o
sa1100_cs-$(CONFIG_SA1100_H3100) += sa1100_h3600.o
sa1100_cs-$(CONFIG_SA1100_H3600) += sa1100_h3600.o

86
drivers/pcmcia/sa1100_cerf.c
View File

@ -1,86 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/*
* drivers/pcmcia/sa1100_cerf.c
*
* PCMCIA implementation routines for CerfBoard
* Based off the Assabet.
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <mach/cerf.h>
#include "sa1100_generic.h"
#define CERF_SOCKET 1
static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
int ret;
ret = gpio_request_one(CERF_GPIO_CF_RESET, GPIOF_OUT_INIT_LOW, "CF_RESET");
if (ret)
return ret;
skt->stat[SOC_STAT_CD].gpio = CERF_GPIO_CF_CD;
skt->stat[SOC_STAT_CD].name = "CF_CD";
skt->stat[SOC_STAT_BVD1].gpio = CERF_GPIO_CF_BVD1;
skt->stat[SOC_STAT_BVD1].name = "CF_BVD1";
skt->stat[SOC_STAT_BVD2].gpio = CERF_GPIO_CF_BVD2;
skt->stat[SOC_STAT_BVD2].name = "CF_BVD2";
skt->stat[SOC_STAT_RDY].gpio = CERF_GPIO_CF_IRQ;
skt->stat[SOC_STAT_RDY].name = "CF_IRQ";
return 0;
}
static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
gpio_free(CERF_GPIO_CF_RESET);
}
static int
cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
const socket_state_t *state)
{
switch (state->Vcc) {
case 0:
case 50:
case 33:
break;
default:
printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
__func__, state->Vcc);
return -1;
}
gpio_set_value(CERF_GPIO_CF_RESET, !!(state->flags & SS_RESET));
return 0;
}
static struct pcmcia_low_level cerf_pcmcia_ops = {
.owner = THIS_MODULE,
.hw_init = cerf_pcmcia_hw_init,
.hw_shutdown = cerf_pcmcia_hw_shutdown,
.socket_state = soc_common_cf_socket_state,
.configure_socket = cerf_pcmcia_configure_socket,
};
int pcmcia_cerf_init(struct device *dev)
{
int ret = -ENODEV;
if (machine_is_cerf())
ret = sa11xx_drv_pcmcia_probe(dev, &cerf_pcmcia_ops, CERF_SOCKET, 1);
return ret;
}

3
drivers/pcmcia/sa1100_generic.c
View File

@ -98,9 +98,6 @@ static struct pcmcia_low_level sa11x0_cf_ops = {
int __init pcmcia_collie_init(struct device *dev);
static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
#ifdef CONFIG_SA1100_CERF
pcmcia_cerf_init,
#endif
#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
pcmcia_h3600_init,
#endif

1
drivers/pcmcia/sa1100_generic.h
View File

@ -7,7 +7,6 @@
*/
extern int pcmcia_adsbitsy_init(struct device *);
extern int pcmcia_badge4_init(struct device *);
extern int pcmcia_cerf_init(struct device *);
extern int pcmcia_flexanet_init(struct device *);
extern int pcmcia_freebird_init(struct device *);
extern int pcmcia_gcplus_init(struct device *);