linux-kernel - [RESEND PATCH 1/3] dt-bindings: pwm-stm32-lp: add #pwm-cells

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Message-ID: <1519392965-28235-2-git-send-email-fabrice.gasnier@st.com>
Date:   Fri, 23 Feb 2018 14:36:03 +0100
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <thierry.reding@...il.com>, <alexandre.torgue@...com>
CC:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <linux@...linux.org.uk>, <mcoquelin.stm32@...il.com>,
        <fabrice.gasnier@...com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pwm@...r.kernel.org>,
        <benjamin.gaignard@...aro.org>
Subject: [RESEND PATCH 1/3] dt-bindings: pwm-stm32-lp: add #pwm-cells

From: Gerald Baeza <gerald.baeza@...com>

STM32 Low-Power Timer supports generic 3 cells pwm to encode
PWM number, period and polarity.

Signed-off-by: Gerald Baeza <gerald.baeza@...com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt
index f8338d1..bd23302 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt
@@ -7,6 +7,8 @@ See ../mfd/stm32-lptimer.txt for details about the parent node.
 
 Required parameters:
 - compatible:		Must be "st,stm32-pwm-lp".
+- #pwm-cells:		Should be set to 3. This PWM chip uses the default 3 cells
+			bindings defined in pwm.txt.
 
 Optional properties:
 - pinctrl-names: 	Set to "default".
@@ -18,6 +20,7 @@ Example:
 		...
 		pwm {
 			compatible = "st,stm32-pwm-lp";
+			#pwm-cells = <3>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&lppwm1_pins>;
 		};
-- 
1.9.1