iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

collie: support pda_power driver

Browse Source 
This add the pda-power platform device to collie.
This commit is contained in:
Thomas Kunze 2009-02-10 13:48:32 +01:00 committed by Thomas Kunze
parent f1fce597e6
commit 9823b2d0f9
1 changed files with 65 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

65
arch/arm/mach-sa1100/collie.c
View File

@ -26,6 +26,7 @@
#include <linux/mtd/partitions.h> #include <linux/mtd/partitions.h>
#include <linux/timer.h> #include <linux/timer.h>
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/pda_power.h>
#include <mach/hardware.h> #include <mach/hardware.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
@ -89,6 +90,69 @@ static struct mcp_plat_data collie_mcp_data = {
.gpio_base = COLLIE_TC35143_GPIO_BASE, .gpio_base = COLLIE_TC35143_GPIO_BASE,
}; };
/*
* Collie AC IN
*/
static int collie_power_init(struct device *dev)
{
int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
if (ret)
goto err_gpio_req;
ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
if (ret)
goto err_gpio_in;
return 0;
err_gpio_in:
gpio_free(COLLIE_GPIO_AC_IN);
err_gpio_req:
return ret;
}
static void collie_power_exit(struct device *dev)
{
gpio_free(COLLIE_GPIO_AC_IN);
}
static int collie_power_ac_online(void)
{
return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
}
static char *collie_ac_supplied_to[] = {
"main-battery",
"backup-battery",
};
static struct pda_power_pdata collie_power_data = {
.init = collie_power_init,
.is_ac_online = collie_power_ac_online,
.exit = collie_power_exit,
.supplied_to = collie_ac_supplied_to,
.num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
};
static struct resource collie_power_resource[] = {
{
.name = "ac",
.start = gpio_to_irq(COLLIE_GPIO_AC_IN),
.end = gpio_to_irq(COLLIE_GPIO_AC_IN),
.flags = IORESOURCE_IRQ |
IORESOURCE_IRQ_HIGHEDGE |
IORESOURCE_IRQ_LOWEDGE,
},
};
static struct platform_device collie_power_device = {
.name = "pda-power",
.id = -1,
.dev.platform_data = &collie_power_data,
.resource = collie_power_resource,
.num_resources = ARRAY_SIZE(collie_power_resource),
};
#ifdef CONFIG_SHARP_LOCOMO #ifdef CONFIG_SHARP_LOCOMO
/* /*
* low-level UART features. * low-level UART features.
@ -180,6 +244,7 @@ struct platform_device collie_locomo_device = {
static struct platform_device *devices[] __initdata = { static struct platform_device *devices[] __initdata = {
&collie_locomo_device, &collie_locomo_device,
&colliescoop_device, &colliescoop_device,
&collie_power_device,
}; };
static struct mtd_partition collie_partitions[] = { static struct mtd_partition collie_partitions[] = {