mirror of https://gitee.com/openkylin/linux.git
133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/*
|
|
* Copyright 2012 (C), Jamie Lentin <jm@lentin.co.uk>
|
|
*
|
|
* arch/arm/mach-kirkwood/board-dnskw.c
|
|
*
|
|
* D-link DNS-320 & DNS-325 NAS Init for drivers not converted to
|
|
* flattened device tree yet.
|
|
*
|
|
* 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/platform_device.h>
|
|
#include <linux/ata_platform.h>
|
|
#include <linux/mv643xx_eth.h>
|
|
#include <linux/of.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/input.h>
|
|
#include <linux/gpio-fan.h>
|
|
#include <linux/leds.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <mach/kirkwood.h>
|
|
#include <mach/bridge-regs.h>
|
|
#include "common.h"
|
|
#include "mpp.h"
|
|
|
|
static struct mv643xx_eth_platform_data dnskw_ge00_data = {
|
|
.phy_addr = MV643XX_ETH_PHY_ADDR(8),
|
|
};
|
|
|
|
static unsigned int dnskw_mpp_config[] __initdata = {
|
|
MPP13_UART1_TXD, /* Custom ... */
|
|
MPP14_UART1_RXD, /* ... Controller (DNS-320 only) */
|
|
MPP20_SATA1_ACTn, /* LED: White Right HDD */
|
|
MPP21_SATA0_ACTn, /* LED: White Left HDD */
|
|
MPP24_GPIO,
|
|
MPP25_GPIO,
|
|
MPP26_GPIO, /* LED: Power */
|
|
MPP27_GPIO, /* LED: Red Right HDD */
|
|
MPP28_GPIO, /* LED: Red Left HDD */
|
|
MPP29_GPIO, /* LED: Red USB (DNS-325 only) */
|
|
MPP30_GPIO,
|
|
MPP31_GPIO,
|
|
MPP32_GPIO,
|
|
MPP33_GPO,
|
|
MPP34_GPIO, /* Button: Front power */
|
|
MPP35_GPIO, /* LED: Red USB (DNS-320 only) */
|
|
MPP36_GPIO, /* Power: Turn off board */
|
|
MPP37_GPIO, /* Power: Turn back on after power failure */
|
|
MPP38_GPIO,
|
|
MPP39_GPIO, /* Power: SATA0 */
|
|
MPP40_GPIO, /* Power: SATA1 */
|
|
MPP41_GPIO, /* SATA0 present */
|
|
MPP42_GPIO, /* SATA1 present */
|
|
MPP43_GPIO, /* LED: White USB */
|
|
MPP44_GPIO, /* Fan: Tachometer Pin */
|
|
MPP45_GPIO, /* Fan: high speed */
|
|
MPP46_GPIO, /* Fan: low speed */
|
|
MPP47_GPIO, /* Button: Back unmount */
|
|
MPP48_GPIO, /* Button: Back reset */
|
|
MPP49_GPIO, /* Temp Alarm (DNS-325) Pin of U5 (DNS-320) */
|
|
0
|
|
};
|
|
|
|
/* Fan: ADDA AD045HB-G73 40mm 6000rpm@5v */
|
|
static struct gpio_fan_speed dnskw_fan_speed[] = {
|
|
{ 0, 0 },
|
|
{ 3000, 1 },
|
|
{ 6000, 2 },
|
|
};
|
|
static unsigned dnskw_fan_pins[] = {46, 45};
|
|
|
|
static struct gpio_fan_platform_data dnskw_fan_data = {
|
|
.num_ctrl = ARRAY_SIZE(dnskw_fan_pins),
|
|
.ctrl = dnskw_fan_pins,
|
|
.num_speed = ARRAY_SIZE(dnskw_fan_speed),
|
|
.speed = dnskw_fan_speed,
|
|
};
|
|
|
|
static struct platform_device dnskw_fan_device = {
|
|
.name = "gpio-fan",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &dnskw_fan_data,
|
|
},
|
|
};
|
|
|
|
static void dnskw_power_off(void)
|
|
{
|
|
gpio_set_value(36, 1);
|
|
}
|
|
|
|
/* Register any GPIO for output and set the value */
|
|
static void __init dnskw_gpio_register(unsigned gpio, char *name, int def)
|
|
{
|
|
if (gpio_request(gpio, name) == 0 &&
|
|
gpio_direction_output(gpio, 0) == 0) {
|
|
gpio_set_value(gpio, def);
|
|
if (gpio_export(gpio, 0) != 0)
|
|
pr_err("dnskw: Failed to export GPIO %s\n", name);
|
|
} else
|
|
pr_err("dnskw: Failed to register %s\n", name);
|
|
}
|
|
|
|
void __init dnskw_init(void)
|
|
{
|
|
kirkwood_mpp_conf(dnskw_mpp_config);
|
|
|
|
kirkwood_ehci_init();
|
|
kirkwood_ge00_init(&dnskw_ge00_data);
|
|
|
|
platform_device_register(&dnskw_fan_device);
|
|
|
|
/* Register power-off GPIO. */
|
|
if (gpio_request(36, "dnskw:power:off") == 0
|
|
&& gpio_direction_output(36, 0) == 0)
|
|
pm_power_off = dnskw_power_off;
|
|
else
|
|
pr_err("dnskw: failed to configure power-off GPIO\n");
|
|
|
|
/* Ensure power is supplied to both HDDs */
|
|
dnskw_gpio_register(39, "dnskw:power:sata0", 1);
|
|
dnskw_gpio_register(40, "dnskw:power:sata1", 1);
|
|
|
|
/* Set NAS to turn back on after a power failure */
|
|
dnskw_gpio_register(37, "dnskw:power:recover", 1);
|
|
}
|