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Subject[PATCH v8 5/6] pwm: add documentation for pwm push-pull mode
Date
From: Claudiu Beznea <claudiu.beznea@microchip.com>

Add documentation for PWM push-pull mode.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
---
Documentation/pwm.txt | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/Documentation/pwm.txt b/Documentation/pwm.txt
index 669fd4c9cc8e..80552627627d 100644
--- a/Documentation/pwm.txt
+++ b/Documentation/pwm.txt
@@ -130,6 +130,22 @@ channel that was exported. The following properties will then be available:
PWMx_1 |__| |__| |__| |__|
^ ^ ^ ^

+ Push-pull mode - for PWM channels with two outputs; output waveforms
+ for a PWM channel in push-pull mode, with normal polarity looks like
+ this:
+ __ __
+ PWMx_0 __| |____________| |__________
+ __ __
+ PWMx_1 __________| |____________| |__
+ ^ ^ ^ ^
+
+ If polarity is inversed:
+ __ ____________ __________
+ PWMx_0 |__| |__|
+ __________ ____________ __
+ PWMx_1 |__| |__|
+ ^ ^ ^ ^
+
Where '^' specifies the beginning of a period.

Implementing a PWM driver
--
2.7.4
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