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authorSimon Guinot <sguinot@lacie.com>2010-10-22 05:29:18 -0400
committerGuenter Roeck <guenter.roeck@ericsson.com>2010-10-25 14:11:37 -0700
commit0ab83a7ce5c566b84d492d598dc64a19bfaef9ab (patch)
tree3fe4d96dbea255b9a4c33861d77b9a1e33a7bb82 /arch
parentd6fe1360f42e86262153927986dea6502daff703 (diff)
Kirkwood: add fan support for Network Space Max v2
Signed-off-by: Simon Guinot <sguinot@lacie.com> Acked-by: Nicolas Pitre <nico@fluxnic.net> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-kirkwood/netspace_v2-setup.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/mach-kirkwood/netspace_v2-setup.c b/arch/arm/mach-kirkwood/netspace_v2-setup.c
index 5e286441b8f4..5ea66f1f4178 100644
--- a/arch/arm/mach-kirkwood/netspace_v2-setup.c
+++ b/arch/arm/mach-kirkwood/netspace_v2-setup.c
@@ -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>
@@ -137,6 +138,46 @@ 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)

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