diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/gpio-fan.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index f29cee9398ef..cfa8d9b578dd 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -30,12 +30,33 @@ #include <linux/mutex.h> #include <linux/hwmon.h> #include <linux/gpio.h> -#include <linux/gpio-fan.h> #include <linux/of.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> #include <linux/thermal.h> +struct gpio_fan_alarm { + unsigned int gpio; + unsigned int active_low; +}; + +struct gpio_fan_speed { + int rpm; + int ctrl_val; +}; + +struct gpio_fan_platform_data { + int num_ctrl; + unsigned int *ctrl; /* fan control GPIOs. */ + struct gpio_fan_alarm *alarm; /* fan alarm GPIO. */ + /* + * Speed conversion array: rpm from/to GPIO bit field. + * This array _must_ be sorted in ascending rpm order. + */ + int num_speed; + struct gpio_fan_speed *speed; +}; + struct gpio_fan_data { struct platform_device *pdev; struct device *hwmon_dev; |