From 80d95930dcdf06315cfde408c18783c811bf3db9 Mon Sep 17 00:00:00 2001 From: Jean-Francois Dagenais Date: Thu, 18 Apr 2019 12:37:33 -0400 Subject: dt-bindings: thermal: generic-adc: make lookup-table optional Update binding description making lookup-table optional. Signed-off-by: Jean-Francois Dagenais Signed-off-by: Eduardo Valentin --- .../devicetree/bindings/thermal/thermal-generic-adc.txt | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt') diff --git a/Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt b/Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt index d72355502b78..691a09db2fef 100644 --- a/Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt +++ b/Documentation/devicetree/bindings/thermal/thermal-generic-adc.txt @@ -8,16 +8,22 @@ temperature using voltage-temperature lookup table. Required properties: =================== - compatible: Must be "generic-adc-thermal". +- #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description + of this property. +Optional properties: +=================== - temperature-lookup-table: Two dimensional array of Integer; lookup table to map the relation between ADC value and temperature. When ADC is read, the value is looked up on the table to get the equivalent temperature. + The first value of the each row of array is the temperature in milliCelsius and second value of the each row of array is the ADC read value. -- #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description - of this property. + + If not specified, driver assumes the ADC channel + gives milliCelsius directly. Example : #include -- cgit