From: Fabrice Gasnier <fabrice.gasnier@st.com>
To: <thierry.reding@gmail.com>, <robh+dt@kernel.org>,
<alexandre.torgue@st.com>
Cc: <mark.rutland@arm.com>, <linux@armlinux.org.uk>,
<mcoquelin.stm32@gmail.com>, <fabrice.gasnier@st.com>,
<devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-pwm@vger.kernel.org>
Subject: [PATCH 1/3] dt-bindings: pwm-stm32-lp: add #pwm-cells
Date: Thu, 1 Feb 2018 14:44:36 +0100 [thread overview]
Message-ID: <1517492678-767-2-git-send-email-fabrice.gasnier@st.com> (raw)
In-Reply-To: <1517492678-767-1-git-send-email-fabrice.gasnier@st.com>
From: Gerald Baeza <gerald.baeza@st.com>
STM32 Low-Power Timer supports generic 3 cells pwm to encode
PWM number, period and polarity.
Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
---
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
next prev parent reply other threads:[~2018-02-01 13:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-01 13:44 [PATCH 0/3] Add pwm-cells on STM32 LPTimer Fabrice Gasnier
2018-02-01 13:44 ` Fabrice Gasnier [this message]
2018-02-05 6:09 ` [PATCH 1/3] dt-bindings: pwm-stm32-lp: add #pwm-cells Rob Herring
2018-02-01 13:44 ` [PATCH 2/3] pwm: stm32: LPTimer: use 3 cells xlate Fabrice Gasnier
2018-02-01 13:44 ` [PATCH 3/3] ARM: dts: stm32: update pwm-cells for LPTimer on stm32h743 Fabrice Gasnier
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