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-rw-r--r--Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt
index 54b823f3a453..75c775954102 100644
--- a/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt
@@ -22,6 +22,16 @@ Required properties:
- vref-supply: the regulator supply for the ADC reference voltage
- #io-channel-cells: must be 1, see ../iio-bindings.txt
+Optional properties:
+- amlogic,hhi-sysctrl: phandle to the syscon which contains the 5th bit
+ of the TSC (temperature sensor coefficient) on
+ Meson8b and Meson8m2 (which used to calibrate the
+ temperature sensor)
+- nvmem-cells: phandle to the temperature_calib eFuse cells
+- nvmem-cell-names: if present (to enable the temperature sensor
+ calibration) this must contain "temperature_calib"
+
+
Example:
saradc: adc@8680 {
compatible = "amlogic,meson-gxl-saradc", "amlogic,meson-saradc";