The tps23861 driver does not initialize the chip and relies on it being
in auto-mode by default. On some devices, these controllers default to
OFF-Mode and hence cannot be used at all.
This brings minimal support for initializing the controller in a user-
defined mode.
Signed-off-by: Andreas Böhler <dev@xxxxxxxxxxx>
---
.../bindings/hwmon/ti,tps23861.yaml | 76 +++++++++++++++++++
1 file changed, 76 insertions(+)
diff --git a/Documentation/devicetree/bindings/hwmon/ti,tps23861.yaml b/Documentation/devicetree/bindings/hwmon/ti,tps23861.yaml
index 3bc8e73dfbf0..ed3a703478fb 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,tps23861.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,tps23861.yaml
@@ -35,6 +35,50 @@ required:
- compatible
- reg
+patternProperties:
+ "^port@([0-3])$":
+ type: object
+ description: Represents ports of the device and their specific configuration.
+
+ properties:
+ reg:
+ description: The port number
+ items:
+ minimum: 0
+ maximum: 3
+
+ mode:
+ description: The operating mode the device should be initialized with
+ items:
+ - enum:
+ - auto
+ - semiauto
+ - manual
+ - off
+
+ enable:
+ description: Whether the port should be enabled
+ items:
+ minimum: 0
+ maximum: 1
+
+ power:
+ description: Whether the port should be powered on
+ items:
+ minimum: 0
+ maximum: 1
+
+ poe_plus:
+ description: Whether the port should support PoE+
+ items:
+ minimum: 0
+ maximum: 1
+
+ required:
+ - reg
+
+ additionalProperties: false
+
additionalProperties: false
examples:
@@ -47,5 +91,37 @@ examples:
compatible = "ti,tps23861";
reg = <0x30>;
shunt-resistor-micro-ohms = <255000>;
+
+ port@0 {
+ reg = <0>;
+ mode = "auto";
+ enable = <1>;
+ power = <1>;
+ poe_plus = <1>;
+ };
+
+ port@1 {
+ reg = <1>;
+ mode = "semiauto";
+ enable = <1>;
+ power = <0>;
+ poe_plus = <1>;
+ };
+
+ port@2 {
+ reg = <2>;
+ mode = "manual";
+ enable = <0>;
+ power = <0>;
+ poe_plus = <0>;
+ };
+
+ port@3 {
+ reg = <3>;
+ mode = "off";
+ enable = <0>;
+ power = <0>;
+ poe_plus = <1>;
+ };
};
};
--
2.37.2
