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Message-ID: <20220414075824.2634839-2-camel.guo@axis.com>
Date: Thu, 14 Apr 2022 09:58:22 +0200
From: Camel Guo <camel.guo@...s.com>
To: Guenter Roeck <linux@...ck-us.net>,
Jean Delvare <jdelvare@...e.com>,
"Rob Herring" <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>
CC: Camel Guo <camel.guo@...s.com>, <linux-hwmon@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<kernel@...s.com>
Subject: [PATCH v4 1/2] dt-bindings: hwmon: Add TMP401, TMP411 and TMP43x
Document the TMP401, TMP411 and TMP43x device devicetree bindings
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Camel Guo <camel.guo@...s.com>
---
Notes:
v4:
- Add Reviewed-by from Rob H.
v3:
- Remove unneeded address-cells and size-cells;
- Change range of ti,n-factor to [-128, 127];
- Remove unneeded 'items' of ti,beta-compensation;
- Got Reviewed-by from Krzysztof.
v2:
- Fix format and describe hardware properties instead of programming
models
.../devicetree/bindings/hwmon/ti,tmp401.yaml | 105 ++++++++++++++++++
MAINTAINERS | 1 +
2 files changed, 106 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
new file mode 100644
index 000000000000..fe0ac08faa1a
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/ti,tmp401.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: TMP401, TPM411 and TMP43x temperature sensor
+
+maintainers:
+ - Guenter Roeck <linux@...ck-us.net>
+
+description: |
+ ±1°C Remote and Local temperature sensor
+
+ Datasheets:
+ https://www.ti.com/lit/ds/symlink/tmp401.pdf
+ https://www.ti.com/lit/ds/symlink/tmp411.pdf
+ https://www.ti.com/lit/ds/symlink/tmp431.pdf
+ https://www.ti.com/lit/ds/symlink/tmp435.pdf
+
+properties:
+ compatible:
+ enum:
+ - ti,tmp401
+ - ti,tmp411
+ - ti,tmp431
+ - ti,tmp432
+ - ti,tmp435
+
+ reg:
+ maxItems: 1
+
+ ti,extended-range-enable:
+ description:
+ When set, this sensor measures over extended temperature range.
+ type: boolean
+
+ ti,n-factor:
+ description:
+ value to be used for converting remote channel measurements to
+ temperature.
+ $ref: /schemas/types.yaml#/definitions/int32
+ items:
+ minimum: -128
+ maximum: 127
+
+ ti,beta-compensation:
+ description:
+ value to select beta correction range.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 0
+ maximum: 15
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - ti,tmp401
+ then:
+ properties:
+ ti,n-factor: false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - ti,tmp401
+ - ti,tmp411
+ then:
+ properties:
+ ti,beta-compensation: false
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sensor@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sensor@4c {
+ compatible = "ti,tmp431";
+ reg = <0x4c>;
+ ti,extended-range-enable;
+ ti,n-factor = <0x3b>;
+ ti,beta-compensation = <0x7>;
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 61d9f114c37f..6b0d8f5cc68e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -19838,6 +19838,7 @@ TMP401 HARDWARE MONITOR DRIVER
M: Guenter Roeck <linux@...ck-us.net>
L: linux-hwmon@...r.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/hwmon/ti,tmp401.yaml
F: Documentation/hwmon/tmp401.rst
F: drivers/hwmon/tmp401.c
--
2.30.2
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