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>

diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c
index 234c54956a4bdfeaaa107739ec910643bf67f8e7..8fc4fcf8a0635c375ce962a561f8891e39aedc64 100644 (file)
--- a/drivers/hwmon/emc2305.c
+++ b/drivers/hwmon/emc2305.c
@@ -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];
 };
 

diff --git a/include/linux/platform_data/emc2305.h b/include/linux/platform_data/emc2305.h
index 54d672dd6f7d1302ac701d36c71e4f1c11447b46..76043a97f975916782416e653ac8917b2454c79f 100644 (file)
--- a/include/linux/platform_data/emc2305.h
+++ b/include/linux/platform_data/emc2305.h
@@ -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