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Message-Id: <20240311111347.23067-4-chanh@os.amperecomputing.com>
Date: Mon, 11 Mar 2024 18:13:47 +0700
From: Chanh Nguyen <chanh@...amperecomputing.com>
To: Jean Delvare <jdelvare@...e.com>,
Guenter Roeck <linux@...ck-us.net>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Justin Ledford <justinledford@...gle.com>,
devicetree@...r.kernel.org,
linux-hwmon@...r.kernel.org,
linux-kernel@...r.kernel.org,
OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
Open Source Submission <patches@...erecomputing.com>
Cc: Phong Vo <phong@...amperecomputing.com>,
Thang Nguyen <thang@...amperecomputing.com>,
Quan Nguyen <quan@...amperecomputing.com>,
Chanh Nguyen <chanh@...amperecomputing.com>
Subject: [PATCH 3/3] dt-bindings: hwmon: max31790: Add pwmout-pin-as-tach-input property
Add pwmout-pin-as-tach-input property.
Signed-off-by: Chanh Nguyen <chanh@...amperecomputing.com>
---
Documentation/devicetree/bindings/hwmon/max31790.yaml | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/Documentation/devicetree/bindings/hwmon/max31790.yaml b/Documentation/devicetree/bindings/hwmon/max31790.yaml
index 5a93e6bdebda..447cac17053a 100644
--- a/Documentation/devicetree/bindings/hwmon/max31790.yaml
+++ b/Documentation/devicetree/bindings/hwmon/max31790.yaml
@@ -25,6 +25,16 @@ properties:
reg:
maxItems: 1
+ pwmout-pin-as-tach-input:
+ description: |
+ An array of six integers responds to six PWM channels for
+ configuring the pwm to tach mode.
+ When set to 0, the associated PWMOUT produces a PWM waveform for
+ control of fan speed. When set to 1, PWMOUT becomes a TACH input
+ $ref: /schemas/types.yaml#/definitions/uint8-array
+ maxItems: 6
+ minItems: 6
+
required:
- compatible
- reg
@@ -40,5 +50,6 @@ examples:
max31790@20 {
compatible = "maxim,max31790";
reg = <0x20>;
+ pwmout-pin-as-tach-input = /bits/ 8 <0 0 0 0 1 1>;
};
};
--
2.17.1
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