redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

ARM: sa1100/shannon: convert to generic CF sockets 

Convert shannon to use the generic CF socket support.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
hifive-unleashed-5.1
Russell King 2016-08-31 08:49:48 +01:00
parent 80c799dbf8
commit b51af86559
6 changed files with 40 additions and 109 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-sa1100/Kconfig
View File

@ -139,6 +139,8 @@ config SA1100_PLEB
config SA1100_SHANNON
bool "Shannon"
select ARM_SA1100_CPUFREQ
select REGULATOR
select REGULATOR_FIXED_VOLTAGE
help
The Shannon (also known as a Tuxscreen, and also as a IS2630) was a
limited edition webphone produced by Philips. The Shannon is a SA1100

38
arch/arm/mach-sa1100/shannon.c
View File

@ -5,11 +5,14 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/gpio/machine.h>
#include <linux/kernel.h>
#include <linux/platform_data/sa11x0-serial.h>
#include <linux/tty.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <video/sa1100fb.h>
@ -72,8 +75,43 @@ static struct sa1100fb_mach_info shannon_lcd_info = {
.lccr3 = LCCR3_ACBsDiv(512),
};
static struct gpiod_lookup_table shannon_pcmcia0_gpio_table = {
.dev_id = "sa11x0-pcmcia.0",
.table = {
GPIO_LOOKUP("gpio", 24, "detect", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("gpio", 26, "ready", GPIO_ACTIVE_HIGH),
{ },
},
};
static struct gpiod_lookup_table shannon_pcmcia1_gpio_table = {
.dev_id = "sa11x0-pcmcia.1",
.table = {
GPIO_LOOKUP("gpio", 25, "detect", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("gpio", 27, "ready", GPIO_ACTIVE_HIGH),
{ },
},
};
static struct regulator_consumer_supply shannon_cf_vcc_consumers[] = {
REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.0"),
REGULATOR_SUPPLY("vcc", "sa11x0-pcmcia.1"),
};
static struct fixed_voltage_config shannon_cf_vcc_pdata __initdata = {
.supply_name = "cf-power",
.microvolts = 3300000,
.enabled_at_boot = 1,
.gpio = -EINVAL,
};
static void __init shannon_init(void)
{
sa11x0_register_fixed_regulator(0, &shannon_cf_vcc_pdata,
shannon_cf_vcc_consumers,
ARRAY_SIZE(shannon_cf_vcc_consumers));
sa11x0_register_pcmcia(0, &shannon_pcmcia0_gpio_table);
sa11x0_register_pcmcia(1, &shannon_pcmcia1_gpio_table);
sa11x0_ppc_configure_mcp();
sa11x0_register_lcd(&shannon_lcd_info);
sa11x0_register_mtd(&shannon_flash_data, &shannon_flash_resource, 1);

1
drivers/pcmcia/Makefile
View File

@ -49,7 +49,6 @@ sa1100_cs-y += sa1100_generic.o
sa1100_cs-$(CONFIG_SA1100_COLLIE) += pxa2xx_sharpsl.o
sa1100_cs-$(CONFIG_SA1100_H3100) += sa1100_h3600.o
sa1100_cs-$(CONFIG_SA1100_H3600) += sa1100_h3600.o
sa1100_cs-$(CONFIG_SA1100_SHANNON) += sa1100_shannon.o
sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o
pxa2xx_cm_x2xx_cs-y += pxa2xx_cm_x2xx.o pxa2xx_cm_x255.o pxa2xx_cm_x270.o

3
drivers/pcmcia/sa1100_generic.c
View File

@ -101,9 +101,6 @@ static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
pcmcia_h3600_init,
#endif
#ifdef CONFIG_SA1100_SHANNON
pcmcia_shannon_init,
#endif
#ifdef CONFIG_SA1100_SIMPAD
pcmcia_simpad_init,
#endif

1
drivers/pcmcia/sa1100_generic.h
View File

@ -14,7 +14,6 @@ extern int pcmcia_graphicsmaster_init(struct device *);
extern int pcmcia_h3600_init(struct device *);
extern int pcmcia_pangolin_init(struct device *);
extern int pcmcia_pfs168_init(struct device *);
extern int pcmcia_shannon_init(struct device *);
extern int pcmcia_simpad_init(struct device *);
extern int pcmcia_stork_init(struct device *);
extern int pcmcia_system3_init(struct device *);

104
drivers/pcmcia/sa1100_shannon.c
View File

@ -1,104 +0,0 @@
// SPDX-License-Identifier: GPL-2.0
/*
* drivers/pcmcia/sa1100_shannon.c
*
* PCMCIA implementation routines for Shannon
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <mach/shannon.h>
#include <asm/irq.h>
#include "sa1100_generic.h"
static int shannon_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
/* All those are inputs */
GAFR &= ~(GPIO_GPIO(SHANNON_GPIO_EJECT_0) |
GPIO_GPIO(SHANNON_GPIO_EJECT_1) |
GPIO_GPIO(SHANNON_GPIO_RDY_0) |
GPIO_GPIO(SHANNON_GPIO_RDY_1));
if (skt->nr == 0) {
skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_0;
skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_0";
skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_0;
skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_0";
} else {
skt->stat[SOC_STAT_CD].gpio = SHANNON_GPIO_EJECT_1;
skt->stat[SOC_STAT_CD].name = "PCMCIA_CD_1";
skt->stat[SOC_STAT_RDY].gpio = SHANNON_GPIO_RDY_1;
skt->stat[SOC_STAT_RDY].name = "PCMCIA_RDY_1";
}
return 0;
}
static void
shannon_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
struct pcmcia_state *state)
{
switch (skt->nr) {
case 0:
state->bvd1 = 1;
state->bvd2 = 1;
state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */
state->vs_Xv = 0;
break;
case 1:
state->bvd1 = 1;
state->bvd2 = 1;
state->vs_3v = 1; /* FIXME Can only apply 3.3V on Shannon. */
state->vs_Xv = 0;
break;
}
}
static int
shannon_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
const socket_state_t *state)
{
switch (state->Vcc) {
case 0: /* power off */
printk(KERN_WARNING "%s(): CS asked for 0V, still applying 3.3V..\n", __func__);
break;
case 50:
printk(KERN_WARNING "%s(): CS asked for 5V, applying 3.3V..\n", __func__);
case 33:
break;
default:
printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
__func__, state->Vcc);
return -1;
}
printk(KERN_WARNING "%s(): Warning, Can't perform reset\n", __func__);
/* Silently ignore Vpp, output enable, speaker enable. */
return 0;
}
static struct pcmcia_low_level shannon_pcmcia_ops = {
.owner = THIS_MODULE,
.hw_init = shannon_pcmcia_hw_init,
.socket_state = shannon_pcmcia_socket_state,
.configure_socket = shannon_pcmcia_configure_socket,
};
int pcmcia_shannon_init(struct device *dev)
{
int ret = -ENODEV;
if (machine_is_shannon())
ret = sa11xx_drv_pcmcia_probe(dev, &shannon_pcmcia_ops, 0, 2);
return ret;
}