On Fri, Nov 08, 2019 at 05:54:30PM +0800, Baolin Wang wrote: > From: Freeman Liu <freeman.liu@xxxxxxxxxx> > > Add the Spreadtrum thermal documentation. > > Signed-off-by: Freeman Liu <freeman.liu@xxxxxxxxxx> > Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx> > --- > .../devicetree/bindings/thermal/sprd-thermal.txt | 41 ++++++++++++++++++++ > 1 file changed, 41 insertions(+) > create mode 100644 Documentation/devicetree/bindings/thermal/sprd-thermal.txt Please make this a schema. See Documentation/devicetree/writing-schema.rst > > diff --git a/Documentation/devicetree/bindings/thermal/sprd-thermal.txt b/Documentation/devicetree/bindings/thermal/sprd-thermal.txt > new file mode 100644 > index 0000000..a9da7f4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/thermal/sprd-thermal.txt > @@ -0,0 +1,41 @@ > +* Spreadtrum thermal sensor controller bindings > + > +Required properties: > +- compatible : Should be "sprd,ums512-thermal" > +- reg: Address range of the thermal registers > +- clock-names: "enable" for thermal module enable clock. > +- clocks: Should contain a clock specifier for each entry in clock-names. > +- nvmem-cells: A phandle to the calibration data provided by a nvmem device. > +- nvmem-cell-names: Should be "thm_sign_cal" and "thm_ratio_cal". > +- #thermal-sensor-cells: Should be 1. See ./thermal.txt for a description. > + > +Child nodes properties: > +- reg: Specify the sensor id. > +- nvmem-cells: A phandle to the calibration data provided by a nvmem device. > +- nvmem-cell-names: Should be "sen_delta_cal". > + > +Example: > + > + ap_thm0: thermal@32200000 { > + compatible = "sprd,ums512-thermal"; > + reg = <0 0x32200000 0 0x10000>; > + clock-names = "enable"; > + clocks = <&aonapb_gate CLK_THM0_EB>; > + #thermal-sensor-cells = <1>; > + nvmem-cells = <&thm0_sign>, <&thm0_ratio>; > + nvmem-cell-names = "thm_sign_cal", "thm_ratio_cal"; > + > + prometheus0-sensor@0{ space ^ > + reg = <0>; > + nvmem-cells = <&thm0_sen0>; > + nvmem-cell-names = "sen_delta_cal"; > + }; > + > + ank1-sensor@1{ space ^ > + reg = <1>; > + nvmem-cells = <&thm0_sen1>; > + nvmem-cell-names = "sen_delta_cal"; > + }; > + > + ...... > + }; > -- > 1.7.9.5 >