All of lore.kernel.org
 help / color / mirror / Atom feed
From: Francesco Dolcini <francesco@dolcini.it>
To: Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>, Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Farouk Bouabid <farouk.bouabid@cherry.de>,
	Quentin Schulz <quentin.schulz@cherry.de>
Cc: Francesco Dolcini <francesco.dolcini@toradex.com>,
	linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 1/2] dt-bindings: hwmon: amc6821: add PWM polarity
Date: Mon, 24 Feb 2025 19:08:00 +0100	[thread overview]
Message-ID: <20250224180801.128685-2-francesco@dolcini.it> (raw)
In-Reply-To: <20250224180801.128685-1-francesco@dolcini.it>

From: Francesco Dolcini <francesco.dolcini@toradex.com>

Add property to describe the PWM-Out pin polarity.

Link: https://www.ti.com/lit/gpn/amc6821
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
v2: no changes
v1: https://lore.kernel.org/all/20250218165633.106867-2-francesco@dolcini.it/
---
 Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
index 5d33f1a23d03..11604aa41b3e 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,amc6821.yaml
@@ -28,6 +28,14 @@ properties:
   i2c-mux:
     type: object
 
+  ti,pwm-inverted:
+    type: boolean
+    description:
+      Set to make the PWM-Out pin go high (with an external pull-up resistor)
+      for 100% duty cycle (suitable for driving the fan using a NMOS device),
+      when not set the PWM-Out pin goes low for 100% duty cycle (suitable for
+      driving the fan using a PMOS device).
+
 required:
   - compatible
   - reg
-- 
2.39.5


  reply	other threads:[~2025-02-24 18:26 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-24 18:07 [PATCH v2 0/2] hwmon: (amc6821) Add PWM polarity configuration with OF Francesco Dolcini
2025-02-24 18:08 ` Francesco Dolcini [this message]
2025-02-26 13:49   ` [PATCH v2 1/2] dt-bindings: hwmon: amc6821: add PWM polarity Rob Herring
2025-02-26 13:58     ` Francesco Dolcini
2025-03-19 10:12       ` Francesco Dolcini
2025-03-19 13:44         ` Guenter Roeck
2025-02-24 18:08 ` [PATCH v2 2/2] hwmon: (amc6821) Add PWM polarity configuration with OF Francesco Dolcini

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250224180801.128685-2-francesco@dolcini.it \
    --to=francesco@dolcini.it \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=farouk.bouabid@cherry.de \
    --cc=francesco.dolcini@toradex.com \
    --cc=jdelvare@suse.com \
    --cc=krzk+dt@kernel.org \
    --cc=linux-hwmon@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux@roeck-us.net \
    --cc=quentin.schulz@cherry.de \
    --cc=robh@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.