0001 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/thermal/sprd-thermal.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Spreadtrum thermal sensor controller bindings
0008
0009 maintainers:
0010 - Orson Zhai <orsonzhai@gmail.com>
0011 - Baolin Wang <baolin.wang7@gmail.com>
0012 - Chunyan Zhang <zhang.lyra@gmail.com>
0013
0014 properties:
0015 compatible:
0016 const: sprd,ums512-thermal
0017
0018 reg:
0019 maxItems: 1
0020
0021 clocks:
0022 maxItems: 1
0023
0024 clock-names:
0025 items:
0026 - const: enable
0027
0028 nvmem-cells:
0029 maxItems: 2
0030 description:
0031 Reference to nvmem nodes for the calibration data.
0032
0033 nvmem-cell-names:
0034 items:
0035 - const: thm_sign_cal
0036 - const: thm_ratio_cal
0037
0038 "#thermal-sensor-cells":
0039 const: 1
0040
0041 "#address-cells":
0042 const: 1
0043
0044 "#size-cells":
0045 const: 0
0046
0047 patternProperties:
0048 "^([a-z]*-)?sensor(-section)?@[0-9]+$":
0049 type: object
0050 description:
0051 Represent one thermal sensor.
0052
0053 properties:
0054 reg:
0055 description: Specify the sensor id.
0056 maxItems: 1
0057
0058 nvmem-cells:
0059 maxItems: 1
0060 description:
0061 Reference to an nvmem node for the calibration data.
0062
0063 nvmem-cell-names:
0064 const: sen_delta_cal
0065
0066 required:
0067 - reg
0068 - nvmem-cells
0069 - nvmem-cell-names
0070
0071 additionalProperties: false
0072
0073 required:
0074 - compatible
0075 - reg
0076 - clocks
0077 - clock-names
0078 - nvmem-cells
0079 - nvmem-cell-names
0080 - "#thermal-sensor-cells"
0081 - "#address-cells"
0082 - "#size-cells"
0083
0084 additionalProperties: false
0085
0086 examples:
0087 - |
0088 ap_thm0: thermal@32200000 {
0089 compatible = "sprd,ums512-thermal";
0090 reg = <0x32200000 0x10000>;
0091 clock-names = "enable";
0092 clocks = <&aonapb_gate 32>;
0093 #thermal-sensor-cells = <1>;
0094 nvmem-cells = <&thm0_sign>, <&thm0_ratio>;
0095 nvmem-cell-names = "thm_sign_cal", "thm_ratio_cal";
0096 #address-cells = <1>;
0097 #size-cells = <0>;
0098
0099 prometheus-sensor@0 {
0100 reg = <0>;
0101 nvmem-cells = <&thm0_sen0>;
0102 nvmem-cell-names = "sen_delta_cal";
0103 };
0104
0105 ank-sensor@1 {
0106 reg = <1>;
0107 nvmem-cells = <&thm0_sen1>;
0108 nvmem-cell-names = "sen_delta_cal";
0109 };
0110 };
0111 ...
