Commit 7114b74d authored by Florin Leotescu's avatar Florin Leotescu Committed by Guenter Roeck
Browse files

hwmon: (emc2305) Add support for PWM frequency, polarity and output 



Add three new attributes to the driver data structures to support
configuration of PWM frequency, PWM polarity and PWM output config.

Signed-off-by: default avatarFlorin Leotescu <florin.leotescu@nxp.com>
Link: https://lore.kernel.org/r/20250603113125.3175103-2-florin.leotescu@oss.nxp.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 90cf254f

drivers/hwmon/emc2305.c

+6 −0
Original line number Diff line number Diff line
@@ -89,8 +89,11 @@ struct emc2305_cdev_data { 
 * @hwmon_dev: hwmon device

 * @max_state: maximum cooling state of the cooling device

 * @pwm_num: number of PWM channels

 * @pwm_output_mask: PWM output mask

 * @pwm_polarity_mask: PWM polarity mask

 * @pwm_separate: separate PWM settings for every channel

 * @pwm_min: array of minimum PWM per channel

 * @pwm_freq: array of PWM frequency per channel

 * @cdev_data: array of cooling devices data

 */

struct emc2305_data {
@@ -98,8 +101,11 @@ struct emc2305_data { 
	struct device *hwmon_dev;

	u8 max_state;

	u8 pwm_num;

	u8 pwm_output_mask;

	u8 pwm_polarity_mask;

	bool pwm_separate;

	u8 pwm_min[EMC2305_PWM_MAX];

	u16 pwm_freq[EMC2305_PWM_MAX];

	struct emc2305_cdev_data cdev_data[EMC2305_PWM_MAX];

};

include/linux/platform_data/emc2305.h

+6 −0
Original line number Diff line number Diff line
@@ -9,14 +9,20 @@ 
 * struct emc2305_platform_data - EMC2305 driver platform data

 * @max_state: maximum cooling state of the cooling device;

 * @pwm_num: number of active channels;

 * @pwm_output_mask: PWM output mask

 * @pwm_polarity_mask: PWM polarity mask

 * @pwm_separate: separate PWM settings for every channel;

 * @pwm_min: array of minimum PWM per channel;

 * @pwm_freq: array of PWM frequency per channel

 */

struct emc2305_platform_data {

	u8 max_state;

	u8 pwm_num;

	u8 pwm_output_mask;

	u8 pwm_polarity_mask;

	bool pwm_separate;

	u8 pwm_min[EMC2305_PWM_MAX];

	u16 pwm_freq[EMC2305_PWM_MAX];

};



#endif