// SPDX-License-Identifier: GPL-2.0-only
/*
* arch / arm / mach - orion5x / board - d2net . c
*
* LaCie d2Network and Big Disk Network NAS setup
*
* Copyright ( C ) 2009 Simon Guinot < sguinot @ lacie . com >
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pci.h>
#include <linux/irq.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
#include <asm /mach-types.h>
#include <asm /mach/arch.h>
#include <asm /mach/pci.h>
#include <plat/orion-gpio.h>
#include "common.h"
#include "orion5x.h"
/*****************************************************************************
* LaCie d2 Network Info
****************************************************************************/
/*****************************************************************************
* GPIO LED ' s
****************************************************************************/
/*
* The blue front LED is wired to the CPLD and can blink in relation with the
* SATA activity .
*
* The following array detail the different LED registers and the combination
* of their possible values :
*
* led_off | blink_ctrl | SATA active | LED state
* | | |
* 1 | x | x | off
* 0 | 0 | 0 | off
* 0 | 1 | 0 | blink ( rate 300 ms )
* 0 | x | 1 | on
*
* Notes : The blue and the red front LED ' s can ' t be on at the same time .
* Red LED have priority .
*/
#define D2NET_GPIO_RED_LED 6
#define D2NET_GPIO_BLUE_LED_BLINK_CTRL 16
#define D2NET_GPIO_BLUE_LED_OFF 23
static struct gpio_led d2net_leds[] = {
{
.name = "d2net:blue:sata" ,
.default_trigger = "default-on" ,
},
{
.name = "d2net:red:fail" ,
},
};
static struct gpio_led_platform_data d2net_led_data = {
.num_leds = ARRAY_SIZE(d2net_leds),
.leds = d2net_leds,
};
static struct platform_device d2net_gpio_leds = {
.name = "leds-gpio" ,
.id = -1 ,
.dev = {
.platform_data = &d2net_led_data,
},
};
static struct gpiod_lookup_table d2net_leds_gpio_table = {
.dev_id = "leds-gpio" ,
.table = {
GPIO_LOOKUP_IDX("orion_gpio0" , D2NET_GPIO_BLUE_LED_OFF, NULL,
0 , GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("orion_gpio0" , D2NET_GPIO_RED_LED, NULL,
1 , GPIO_ACTIVE_HIGH),
{ },
},
};
static void __init d2net_gpio_leds_init(void )
{
int err;
/* Configure register blink_ctrl to allow SATA activity LED blinking. */
err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink" );
if (err == 0 ) {
err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1 );
if (err)
gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL);
}
if (err)
pr_err("d2net: failed to configure blue LED blink GPIO\n" );
gpiod_add_lookup_table(&d2net_leds_gpio_table);
platform_device_register(&d2net_gpio_leds);
}
/*****************************************************************************
* General Setup
****************************************************************************/
void __init d2net_init(void )
{
d2net_gpio_leds_init();
pr_notice("d2net: Flash write are not yet supported.\n" );
}
Messung V0.5 in Prozent C=95 H=70 G=83
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-28)
¤
*© Formatika GbR, Deutschland