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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: Florin Leotescu <florin.leotescu@nxp.com>
Link: https://lore.kernel.org/r/20250603113125.3175103-2-florin.leotescu@oss.nxp.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
pull/1311/head
Florin Leotescu 2025-06-03 14:31:22 +03:00 committed by Guenter Roeck
parent 90cf254f88
commit 7114b74d99
2 changed files with 12 additions and 0 deletions
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6
drivers/hwmon/emc2305.c
View File

@ -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];
};

6
include/linux/platform_data/emc2305.h
View File

@ -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