Add push-pull mode support. In push-pull mode the channels' outputs have same polarities and the edges are complementary delayed for one period.
Signed-off-by: Claudiu Beznea claudiu.beznea@microchip.com --- include/linux/pwm.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 0ba416ab2772..765d760ef82d 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -29,11 +29,14 @@ enum pwm_polarity { * PWM modes * @PWM_MODE_NORMAL_BIT: PWM has one output * @PWM_MODE_COMPLEMENTARY_BIT: PWM has 2 outputs with opposite polarities + * @PWM_MODE_PUSH_PULL_BIT: PWM has 2 outputs with same polarities and the edges + * are complementary delayed for one period * @PWM_MODE_CNT: PWM modes count */ enum { PWM_MODE_NORMAL_BIT, PWM_MODE_COMPLEMENTARY_BIT, + PWM_MODE_PUSH_PULL_BIT, PWM_MODE_CNT, };
@@ -481,7 +484,11 @@ static inline bool pwm_caps_valid(struct pwm_caps caps)
static inline const char * const pwm_mode_desc(unsigned long mode) { - static const char * const modes[] = { "normal", "complementary" }; + static const char * const modes[] = { + "normal", + "complementary", + "push-pull", + };
if (!pwm_mode_valid(mode)) return "invalid";