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Date: Tue, 18 Feb 2020 16:10:27 +0800
From: Baolin Wang <baolin.wang7@...il.com>
To: rui.zhang@...el.com, daniel.lezcano@...aro.org,
amit.kucheria@...durent.com, robh+dt@...nel.org,
mark.rutland@....com
Cc: orsonzhai@...il.com, baolin.wang7@...il.com,
freeman.liu@...soc.com, zhang.lyra@...il.com,
linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v3 1/2] dt-bindings: thermal: sprd: Add the Spreadtrum thermal documentation
From: Baolin Wang <baolin.wang@...soc.com>
Add the Spreadtrum thermal documentation.
Signed-off-by: Baolin Wang <baolin.wang@...soc.com>
Signed-off-by: Baolin Wang <baolin.wang7@...il.com>
---
Changes from v2:
- Add missing #address-cells and #size-cells properties.
- Change the child node name with patternProperties.
- Simplify the nvmem-cells-names property.
Changes from v1:
- Change to yaml format.
---
.../devicetree/bindings/thermal/sprd-thermal.yaml | 108 ++++++++++++++++++++
1 file changed, 108 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..3bfe055
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml
@@ -0,0 +1,108 @@
+# 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@...il.com>
+ - Baolin Wang <baolin.wang7@...il.com>
+ - Chunyan Zhang <zhang.lyra@...il.com>
+
+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-cell-names:
+ maxItems: 2
+ items:
+ - const: thm_sign_cal
+ - const: thm_ratio_cal
+
+ "#thermal-sensor-cells":
+ const: 1
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+patternProperties:
+ "^([a-z]*-)?sensor(-section)?@[0-9]+$":
+ type: object
+ 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-cell-names:
+ const: sen_delta_cal
+
+ required:
+ - reg
+ - nvmem-cells
+ - nvmem-cell-names
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - nvmem-cells
+ - nvmem-cell-names
+ - "#thermal-sensor-cells"
+ - "#address-cells"
+ - "#size-cells"
+
+examples:
+ - |
+ ap_thm0: thermal@...00000 {
+ 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";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ prometheus-sensor@0 {
+ reg = <0>;
+ nvmem-cells = <&thm0_sen0>;
+ nvmem-cell-names = "sen_delta_cal";
+ };
+
+ ank-sensor@1 {
+ reg = <1>;
+ nvmem-cells = <&thm0_sen1>;
+ nvmem-cell-names = "sen_delta_cal";
+ };
+ };
+...
--
1.7.9.5
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