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/*
* arch/arm/mach-kirkwood/nsa-310-setup.c
*
* ZyXEL NSA-310 Setup
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/kirkwood.h>
#include "common.h"
#include "mpp.h"
#define NSA310_GPIO_USB_POWER_OFF 21
#define NSA310_GPIO_POWER_OFF 48
static unsigned int nsa310_mpp_config[] __initdata = {
MPP12_GPIO, /* led esata green */
MPP13_GPIO, /* led esata red */
MPP15_GPIO, /* led usb green */
MPP16_GPIO, /* led usb red */
MPP21_GPIO, /* control usb power off */
MPP28_GPIO, /* led sys green */
MPP29_GPIO, /* led sys red */
MPP36_GPIO, /* key reset */
MPP37_GPIO, /* key copy */
MPP39_GPIO, /* led copy green */
MPP40_GPIO, /* led copy red */
MPP41_GPIO, /* led hdd green */
MPP42_GPIO, /* led hdd red */
MPP44_GPIO, /* ?? */
MPP46_GPIO, /* key power */
MPP48_GPIO, /* control power off */
0
};
static struct i2c_board_info __initdata nsa310_i2c_info[] = {
{ I2C_BOARD_INFO("adt7476", 0x2e) },
};
static void nsa310_power_off(void)
{
gpio_set_value(NSA310_GPIO_POWER_OFF, 1);
}
static int __init nsa310_gpio_request(unsigned int gpio, unsigned long flags,
const char *label)
{
int err;
err = gpio_request_one(gpio, flags, label);
if (err)
pr_err("NSA-310: can't setup GPIO%u (%s), err=%d\n",
gpio, label, err);
return err;
}
static void __init nsa310_gpio_init(void)
{
int err;
err = nsa310_gpio_request(NSA310_GPIO_POWER_OFF, GPIOF_OUT_INIT_LOW,
"Power Off");
if (!err)
pm_power_off = nsa310_power_off;
nsa310_gpio_request(NSA310_GPIO_USB_POWER_OFF, GPIOF_OUT_INIT_LOW,
"USB Power Off");
}
void __init nsa310_init(void)
{
u32 dev, rev;
kirkwood_mpp_conf(nsa310_mpp_config);
nsa310_gpio_init();
/* this can be removed once the mainline kirkwood.dtsi gets
* the ehci configuration by default */
kirkwood_ehci_init();
kirkwood_pcie_id(&dev, &rev);
i2c_register_board_info(0, ARRAY_AND_SIZE(nsa310_i2c_info));
}
static int __init nsa310_pci_init(void)
{
if (of_machine_is_compatible("zyxel,nsa310"))
kirkwood_pcie_init(KW_PCIE0);
return 0;
}
subsys_initcall(nsa310_pci_init);
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