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Commit 0ab83a7c authored by Simon Guinot's avatar Simon Guinot Committed by Guenter Roeck
Browse files

Kirkwood: add fan support for Network Space Max v2 



Signed-off-by: default avatarSimon Guinot <sguinot@lacie.com>
Acked-by: default avatarNicolas Pitre <nico@fluxnic.net>
Signed-off-by: default avatarGuenter Roeck <guenter.roeck@ericsson.com>
parent d6fe1360

arch/arm/mach-kirkwood/netspace_v2-setup.c

+43 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#include <linux/gpio.h>

#include <linux/gpio_keys.h>

#include <linux/leds.h>

#include <linux/gpio-fan.h>

#include <asm/mach-types.h>

#include <asm/mach/arch.h>

#include <mach/kirkwood.h>
@@ -136,6 +137,46 @@ static struct platform_device netspace_v2_leds = { 
	},

};



/*****************************************************************************

 * GPIO fan

 ****************************************************************************/



/* Designed for fan 40x40x16: ADDA AD0412LB-D50 6000rpm@12v */

static struct gpio_fan_speed netspace_max_v2_fan_speed[] = {

	{    0,  0 },

	{ 1500,	15 },

	{ 1700,	14 },

	{ 1800,	13 },

	{ 2100,	12 },

	{ 3100,	11 },

	{ 3300,	10 },

	{ 4300,	 9 },

	{ 5500,	 8 },

};



static unsigned netspace_max_v2_fan_ctrl[] = { 22, 7, 33, 23 };



static struct gpio_fan_alarm netspace_max_v2_fan_alarm = {

	.gpio		= 25,

	.active_low	= 1,

};



static struct gpio_fan_platform_data netspace_max_v2_fan_data = {

	.num_ctrl	= ARRAY_SIZE(netspace_max_v2_fan_ctrl),

	.ctrl		= netspace_max_v2_fan_ctrl,

	.alarm		= &netspace_max_v2_fan_alarm,

	.num_speed	= ARRAY_SIZE(netspace_max_v2_fan_speed),

	.speed		= netspace_max_v2_fan_speed,

};



static struct platform_device netspace_max_v2_gpio_fan = {

	.name	= "gpio-fan",

	.id	= -1,

	.dev	= {

		.platform_data	= &netspace_max_v2_fan_data,

	},

};



/*****************************************************************************

 * General Setup

 ****************************************************************************/
@@ -205,6 +246,8 @@ static void __init netspace_v2_init(void) 
	platform_device_register(&netspace_v2_leds);

	platform_device_register(&netspace_v2_gpio_leds);

	platform_device_register(&netspace_v2_gpio_buttons);

	if (machine_is_netspace_max_v2())

		platform_device_register(&netspace_max_v2_gpio_fan);



	if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 &&

	    gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0)