[PATCH 1/4] hwmon: emc2305: Add support for PWM frequency, polarity and output
florin.leotescu at oss.nxp.com
florin.leotescu at oss.nxp.com
Tue Jun 3 04:31:22 PDT 2025
From: Florin Leotescu <florin.leotescu at nxp.com>
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 at nxp.com>
---
drivers/hwmon/emc2305.c | 6 ++++++
include/linux/platform_data/emc2305.h | 6 ++++++
2 files changed, 12 insertions(+)
diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c
index 234c54956a4b..8fc4fcf8a063 100644
--- 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 54d672dd6f7d..76043a97f975 100644
--- 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
--
2.34.1
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