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ARM: sa1100/h3xxx: switch h3xxx PCMCIA to use gpiod APIs 

Switch h3xxx's PCMCIA implementation to use the gpiod APIs where
possible.

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 780febd5b7
commit a00315d1b3
2 changed files with 24 additions and 9 deletions
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17
arch/arm/mach-sa1100/h3xxx.c
View File

@ -11,6 +11,7 @@
*/
#include <linux/kernel.h>
#include <linux/gpio/machine.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
@ -264,8 +265,24 @@ static struct platform_device *h3xxx_devices[] = {
&h3xxx_micro_asic,
};
static struct gpiod_lookup_table h3xxx_pcmcia_gpio_table = {
.dev_id = "sa11x0-pcmcia",
.table = {
GPIO_LOOKUP("gpio", H3XXX_GPIO_PCMCIA_CD0,
"pcmcia0-detect", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("gpio", H3XXX_GPIO_PCMCIA_IRQ0,
"pcmcia0-ready", GPIO_ACTIVE_HIGH),
GPIO_LOOKUP("gpio", H3XXX_GPIO_PCMCIA_CD1,
"pcmcia1-detect", GPIO_ACTIVE_LOW),
GPIO_LOOKUP("gpio", H3XXX_GPIO_PCMCIA_IRQ1,
"pcmcia1-ready", GPIO_ACTIVE_HIGH),
{ },
},
};
void __init h3xxx_mach_init(void)
{
gpiod_add_lookup_table(&h3xxx_pcmcia_gpio_table);
sa1100_register_uart_fns(&h3xxx_port_fns);
sa11x0_register_mtd(&h3xxx_flash_data, &h3xxx_flash_resource, 1);
platform_add_devices(h3xxx_devices, ARRAY_SIZE(h3xxx_devices));

16
drivers/pcmcia/sa1100_h3600.c
View File

@ -24,13 +24,15 @@ static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
int err;
skt->stat[SOC_STAT_CD].name = skt->nr ? "pcmcia1-detect" : "pcmcia0-detect";
skt->stat[SOC_STAT_RDY].name = skt->nr ? "pcmcia1-ready" : "pcmcia0-ready";
err = soc_pcmcia_request_gpiods(skt);
if (err)
return err;
switch (skt->nr) {
case 0:
skt->stat[SOC_STAT_CD].gpio = H3XXX_GPIO_PCMCIA_CD0;
skt->stat[SOC_STAT_CD].name = "PCMCIA CD0";
skt->stat[SOC_STAT_RDY].gpio = H3XXX_GPIO_PCMCIA_IRQ0;
skt->stat[SOC_STAT_RDY].name = "PCMCIA IRQ0";
err = gpio_request(H3XXX_EGPIO_OPT_NVRAM_ON, "OPT NVRAM ON");
if (err)
goto err01;
@ -57,10 +59,6 @@ static int h3600_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
goto err06;
break;
case 1:
skt->stat[SOC_STAT_CD].gpio = H3XXX_GPIO_PCMCIA_CD1;
skt->stat[SOC_STAT_CD].name = "PCMCIA CD1";
skt->stat[SOC_STAT_RDY].gpio = H3XXX_GPIO_PCMCIA_IRQ1;
skt->stat[SOC_STAT_RDY].name = "PCMCIA IRQ1";
break;
}
return 0;