leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[ARM] Kirkwood: update LED support for Network Space v2

Browse Source 
Signed-off-by: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
This commit is contained in:
Simon Guinot 2010-07-06 16:08:47 +02:00 committed by Nicolas Pitre
parent 11efe71f65
commit 2641375d6d
1 changed files with 30 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
arch/arm/mach-kirkwood/netspace_v2-setup.c
View File

@ -39,6 +39,7 @@
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/kirkwood.h>
#include <mach/leds-ns2.h>
#include <plat/time.h>
#include "common.h"
#include "mpp.h"
@ -172,36 +173,12 @@ static struct platform_device netspace_v2_gpio_buttons = {
* GPIO LEDs
****************************************************************************/
/*
* The blue front LED is wired to a 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:
*
* cmd_led | slow_led | /SATA active | LED state
* | | |
* 1 | 0 | x | off
* - | 1 | x | on
* 0 | 0 | 1 | on
* 0 | 0 | 0 | blink (rate 300ms)
*/
#define NETSPACE_V2_GPIO_RED_LED 12
#define NETSPACE_V2_GPIO_BLUE_LED_SLOW 29
#define NETSPACE_V2_GPIO_BLUE_LED_CMD 30
static struct gpio_led netspace_v2_gpio_led_pins[] = {
{
.name = "ns_v2:blue:sata",
.default_trigger = "default-on",
.gpio = NETSPACE_V2_GPIO_BLUE_LED_CMD,
.active_low = 1,
},
{
.name = "ns_v2:red:fail",
.gpio = NETSPACE_V2_GPIO_RED_LED,
.name = "ns_v2:red:fail",
.gpio = NETSPACE_V2_GPIO_RED_LED,
},
};
@ -218,22 +195,33 @@ static struct platform_device netspace_v2_gpio_leds = {
},
};
static void __init netspace_v2_gpio_leds_init(void)
{
int err;
/*****************************************************************************
* Dual-GPIO CPLD LEDs
****************************************************************************/
/* Configure register slow_led to allow SATA activity LED blinking */
err = gpio_request(NETSPACE_V2_GPIO_BLUE_LED_SLOW, "blue LED slow");
if (err == 0) {
err = gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_SLOW, 0);
if (err)
gpio_free(NETSPACE_V2_GPIO_BLUE_LED_SLOW);
}
if (err)
pr_err("netspace_v2: failed to configure blue LED slow GPIO\n");
#define NETSPACE_V2_GPIO_BLUE_LED_SLOW 29
#define NETSPACE_V2_GPIO_BLUE_LED_CMD 30
platform_device_register(&netspace_v2_gpio_leds);
}
static struct ns2_led netspace_v2_led_pins[] = {
{
.name = "ns_v2:blue:sata",
.cmd = NETSPACE_V2_GPIO_BLUE_LED_CMD,
.slow = NETSPACE_V2_GPIO_BLUE_LED_SLOW,
},
};
static struct ns2_led_platform_data netspace_v2_leds_data = {
.num_leds = ARRAY_SIZE(netspace_v2_led_pins),
.leds = netspace_v2_led_pins,
};
static struct platform_device netspace_v2_leds = {
.name = "leds-ns2",
.id = -1,
.dev = {
.platform_data = &netspace_v2_leds_data,
},
};
/*****************************************************************************
* Timer
@ -316,7 +304,8 @@ static void __init netspace_v2_init(void)
i2c_register_board_info(0, netspace_v2_i2c_info,
ARRAY_SIZE(netspace_v2_i2c_info));
netspace_v2_gpio_leds_init();
platform_device_register(&netspace_v2_leds);
platform_device_register(&netspace_v2_gpio_leds);
platform_device_register(&netspace_v2_gpio_buttons);
if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 &&