[PATCH v2 1/2] dt-bindings: thermal: sprd: Add the Spreadtrum thermal documentation

[Baolin Wang]

From: Baolin Wang <baolin.wang@xxxxxxxxxx>

Add the Spreadtrum thermal documentation.

Signed-off-by: Baolin Wang <baolin.wang@xxxxxxxxxx>
Signed-off-by: Baolin Wang <baolin.wang7@xxxxxxxxx>
---
Changes from v1:
 - Change to yaml format.
---
 .../devicetree/bindings/thermal/sprd-thermal.yaml  |   97 ++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/sprd-thermal.yaml

diff --git a/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml b/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml
new file mode 100644
index 0000000..92d208a
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/thermal/sprd-thermal.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Spreadtrum thermal sensor controller bindings
+
+maintainers:
+  - Orson Zhai <orsonzhai@xxxxxxxxx>
+  - Baolin Wang <baolin.wang7@xxxxxxxxx>
+  - Chunyan Zhang <zhang.lyra@xxxxxxxxx>
+
+properties:
+  compatible:
+    const: sprd,ums512-thermal
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: enable
+
+  nvmem-cells:
+    maxItems: 2
+    description:
+      Reference to nvmem nodes for the calibration data.
+
+  nvmem-cells-names:
+    maxItems: 2
+    items:
+      - const: thm_sign_cal
+      - const: thm_ratio_cal
+
+  "#thermal-sensor-cells":
+    const: 1
+
+  child-node:
+    description: Represent one thermal sensor.
+
+    properties:
+      reg:
+        description: Specify the sensor id.
+        maxItems: 1
+
+      nvmem-cells:
+        maxItems: 1
+        description:
+          Reference to an nvmem node for the calibration data.
+
+      nvmem-cells-names:
+        maxItems: 1
+        items:
+          - const: sen_delta_cal
+
+    required:
+      - reg
+      - nvmem-cells
+      - nvmem-cells-names
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - nvmem-cells
+  - nvmem-cells-names
+  - "#thermal-sensor-cells"
+
+examples:
+  - |
+        ap_thm0: thermal@32200000 {
+                compatible = "sprd,ums512-thermal";
+                reg = <0 0x32200000 0 0x10000>;
+                clock-names = "enable";
+                clocks = <&aonapb_gate 32>;
+                #thermal-sensor-cells = <1>;
+                nvmem-cells = <&thm0_sign>, <&thm0_ratio>;
+                nvmem-cell-names = "thm_sign_cal", "thm_ratio_cal";
+
+                prometheus0-sensor@0 {
+                        reg = <0>;
+                        nvmem-cells = <&thm0_sen0>;
+                        nvmem-cell-names = "sen_delta_cal";
+                };
+
+                ank1-sensor@1 {
+                        reg = <1>;
+                        nvmem-cells = <&thm0_sen1>;
+                        nvmem-cell-names = "sen_delta_cal";
+                };
+        };
+...
-- 
1.7.9.5