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Kirkwood: add fan support for Network Space Max v2

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Signed-off-by: Simon Guinot <sguinot@lacie.com>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
This commit is contained in:
Simon Guinot 2010-10-22 05:29:18 -04:00 committed by Guenter Roeck
parent d6fe1360f4
commit 0ab83a7ce5
1 changed files with 43 additions and 0 deletions
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43
arch/arm/mach-kirkwood/netspace_v2-setup.c
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@ -30,6 +30,7 @@
#include <linux/gpio.h> #include <linux/gpio.h>
#include <linux/gpio_keys.h> #include <linux/gpio_keys.h>
#include <linux/leds.h> #include <linux/leds.h>
#include <linux/gpio-fan.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <asm/mach/arch.h> #include <asm/mach/arch.h>
#include <mach/kirkwood.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 * General Setup
****************************************************************************/ ****************************************************************************/
@ -205,6 +246,8 @@ static void __init netspace_v2_init(void)
platform_device_register(&netspace_v2_leds); platform_device_register(&netspace_v2_leds);
platform_device_register(&netspace_v2_gpio_leds); platform_device_register(&netspace_v2_gpio_leds);
platform_device_register(&netspace_v2_gpio_buttons); 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 && if (gpio_request(NETSPACE_V2_GPIO_POWER_OFF, "power-off") == 0 &&
gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0) gpio_direction_output(NETSPACE_V2_GPIO_POWER_OFF, 0) == 0)