linux-kernel - [PATCH 1/2] dt-bindings: mfd: gateworks-gsc: add 16bit pre-scaled voltage mode

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Message-Id: <1591714640-10332-2-git-send-email-tharvey@gateworks.com>
Date:   Tue,  9 Jun 2020 07:57:19 -0700
From:   Tim Harvey <tharvey@...eworks.com>
To:     Rob Herring <robh+dt@...nel.org>, Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     Lee Jones <lee.jones@...aro.org>,
        Robert Jones <rjones@...eworks.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hwmon@...r.kernel.org, Tim Harvey <tharvey@...eworks.com>
Subject: [PATCH 1/2] dt-bindings: mfd: gateworks-gsc: add 16bit pre-scaled voltage mode

add a 16-bit pre-scaled voltage mode to adc and clarify that existing
pre-scaled mode is 24bit.

Signed-off-by: Tim Harvey <tharvey@...eworks.com>
---
 Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml b/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
index 487a844..ceec33f 100644
--- a/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
+++ b/Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml
@@ -79,11 +79,12 @@ properties:
             description: |
               conversion mode:
                 0 - temperature, in C*10
-                1 - pre-scaled voltage value
+                1 - pre-scaled 24-bit voltage value
                 2 - scaled voltage based on an optional resistor divider
                     and optional offset
+                3 - pre-scaled 16-bit voltage value
             $ref: /schemas/types.yaml#/definitions/uint32
-            enum: [0, 1, 2]
+            enum: [0, 1, 2, 3]
 
           gw,voltage-divider-ohms:
             description: Values of resistors for divider on raw ADC input
-- 
2.7.4