dt-bindings: thermal: imx8mm-thermal: Document optional nvmem-cells
The TMU TASR, TCALIVn, TRIM registers must be explicitly programmed with
calibration values from OCOTP. Document optional phandle to OCOTP nvmem
provider.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Daniel Lezcano <daniel.lezcano@kernel.org>
diff --git a/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml b/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
index 89c54e0..b907262 100644
--- a/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/imx8mm-thermal.yaml
@@ -32,6 +32,13 @@
clocks:
maxItems: 1
+ nvmem-cells:
+ maxItems: 1
+ description: Phandle to the calibration data provided by ocotp
+
+ nvmem-cell-names:
+ const: calib
+
"#thermal-sensor-cells":
description: |
Number of cells required to uniquely identify the thermal
