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Message-Id: <1548860827-29796-2-git-send-email-stefan.wahren@i2se.com>
Date: Wed, 30 Jan 2019 16:07:05 +0100
From: Stefan Wahren <stefan.wahren@...e.com>
To: Kamil Debski <kamil@...as.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Jean Delvare <jdelvare@...e.com>,
Guenter Roeck <linux@...ck-us.net>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>
Cc: linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Stefan Wahren <stefan.wahren@...e.com>
Subject: [PATCH RFC 1/3] dt-bindings: hwmon: Add tachometer interrupt to pwm-fan
This adds the tachometer interrupt to the pwm-fan binding, which is
necessary for RPM support.
Signed-off-by: Stefan Wahren <stefan.wahren@...e.com>
---
Documentation/devicetree/bindings/hwmon/pwm-fan.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
index 49ca5d8..7f69b0b 100644
--- a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
+++ b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
@@ -8,6 +8,9 @@ Required properties:
Optional properties:
- fan-supply : phandle to the regulator that provides power to the fan
+- interrupts : contains a single interrupt specifier which describes the
+ tachometer pin output of a 2 pulse-per-revolution fan.
+ See interrupt-controller/interrupts.txt for the format.
Example:
fan0: pwm-fan {
--
2.7.4
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