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From:   Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
To:     devicetree@vger.kernel.org, linux-pwm@vger.kernel.org
Cc:     Paul Barker <pbarker@konsulko.com>,
        =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>,
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        Marcel Ziswiler <marcel.ziswiler@toradex.com>,
        Igor Opaniuk <igor.opaniuk@toradex.com>,
        Philippe Schenker <philippe.schenker@toradex.com>,
        Oleksandr Suvorov <oleksandr.suvorov@toradex.com>,
        Rob Herring <robh+dt@kernel.org>, linux-kernel@vger.kernel.org
Subject: [RFC PATCH 4/7] dt-bindings: pwm: add description of PWM polarity
Date:   Tue, 17 Mar 2020 14:32:28 +0200
Message-Id: <20200317123231.2843297-5-oleksandr.suvorov@toradex.com>
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Move the description of the PWM signal polarity from
<linux/pwm.h>, prepare for removing the polarity
definition from <linux/pwm.h>.

Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
---

 include/dt-bindings/pwm/pwm.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/dt-bindings/pwm/pwm.h b/include/dt-bindings/pwm/pwm.h
index 6b58caa6385e..c07da2088a61 100644
--- a/include/dt-bindings/pwm/pwm.h
+++ b/include/dt-bindings/pwm/pwm.h
@@ -10,7 +10,16 @@
 #ifndef _DT_BINDINGS_PWM_PWM_H
 #define _DT_BINDINGS_PWM_PWM_H
 
+/**
+ * a high signal for the duration of the duty-cycle, followed by a low signal
+ * for the remainder of the pulse period.
+ */
 #define PWM_POLARITY_NORMAL			0
+
+/**
+ * a low signal for the duration of the duty-cycle, followed by a high signal
+ * for the remainder of the pulse period.
+ */
 #define PWM_POLARITY_INVERTED			(1 << 0)
 
 #endif
-- 
2.24.1