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From:   Chris Packham <chris.packham@alliedtelesis.co.nz>
To:     jdelvare@suse.com, linux@roeck-us.net, robh+dt@kernel.org,
        mark.rutland@arm.com
Cc:     logan.shaw@alliedtelesis.co.nz, linux-hwmon@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Chris Packham <chris.packham@alliedtelesis.co.nz>
Subject: [PATCH 3/5] dt-bindings: hwmon: Document adt7475 invert-pwm property
Date:   Tue, 18 Feb 2020 12:46:55 +1300
Message-Id: <20200217234657.9413-4-chris.packham@alliedtelesis.co.nz>
In-Reply-To: <20200217234657.9413-1-chris.packham@alliedtelesis.co.nz>
References: <20200217234657.9413-1-chris.packham@alliedtelesis.co.nz>
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Add binding information for the invert-pwm property.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
---
 Documentation/devicetree/bindings/hwmon/adt7475.yaml | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Documentation/devicetree/bindings/hwmon/adt7475.yaml b/Docum=
entation/devicetree/bindings/hwmon/adt7475.yaml
index 61da90c82649..c11c9a3d9a64 100644
--- a/Documentation/devicetree/bindings/hwmon/adt7475.yaml
+++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml
@@ -50,6 +50,17 @@ patternProperties:
       not bypassed. If the property is absent then the attenuator
       retains it's configuration from the bios/bootloader.
=20
+  "^invert-pwm[1-3]$":
+    maxItems: 1
+    minimum: 0
+    maximum: 1
+    description: |
+      Configures the pwm output to use inverted logic. If set to 1
+      the pwm uses a logic low output for 100% duty cycle. If set
+      to 0 the pwm uses a logic high output for 100% duty cycle.
+      If the property is absent the pwm retains it's configuration
+      from the bios/bootloader.
+
 required:
   - compatible
   - reg
@@ -65,6 +76,7 @@ examples:
         reg =3D <0x2e>;
         bypass-attenuator-in0 =3D <1>;
         bypass-attenuator-in1 =3D <0>;
+        invert-pwm1 =3D <1>;
       };
     };
=20
--=20
2.25.0