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authorBaolin Wang <baolin.wang@unisoc.com>2020-02-18 16:10:27 +0800
committerDaniel Lezcano <daniel.lezcano@linaro.org>2020-03-12 11:40:57 +0100
commitf2ccf917ad33d464bf7a455c64543fcd3b5512ea (patch)
tree1822610a98b31977a272cd422eb749e251e74250
parentthermal: rcar_gen3_thermal: Generate interrupt when temperature changes (diff)
downloadwireguard-linux-f2ccf917ad33d464bf7a455c64543fcd3b5512ea.tar.xz
wireguard-linux-f2ccf917ad33d464bf7a455c64543fcd3b5512ea.zip
dt-bindings: thermal: sprd: Add the Spreadtrum thermal documentation
Add the Spreadtrum thermal documentation. Signed-off-by: Baolin Wang <baolin.wang@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang7@gmail.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/444e45ce0a9b390b2502dfcefd1ddb36948fa8e1.1582013101.git.baolin.wang7@gmail.com
-rw-r--r--Documentation/devicetree/bindings/thermal/sprd-thermal.yaml108
1 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml b/Documentation/devicetree/bindings/thermal/sprd-thermal.yaml
new file mode 100644
index 000000000000..3bfe05504456
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+++ 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@gmail.com>
+ - Baolin Wang <baolin.wang7@gmail.com>
+ - Chunyan Zhang <zhang.lyra@gmail.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@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";
+ #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";
+ };
+ };
+...