[PATCH v4 2/5] dt-bindings: hwmon: Add hpe,gxp-fan-ctrl

From: nick . hawkins
Date: Tue Jan 03 2023 - 15:39:37 EST


From: Nick Hawkins <nick.hawkins@xxxxxxx>

Create documentation for the binding to support control of the fans on
HPE platforms.

Signed-off-by: Nick Hawkins <nick.hawkins@xxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---
v4:
*No change
v3:
*No change
v2:
*Changed plreg to pl
*Changed fn2reg to reg
*Edited descriptions for all registers
*Changed fanctrl to fan-controller
*Changed commit description
---
.../bindings/hwmon/hpe,gxp-fan-ctrl.yaml | 45 +++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml b/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml
new file mode 100644
index 000000000000..4a52aac6be72
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/hpe,gxp-fan-ctrl.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/hpe,gxp-fan-ctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HPE GXP Fan Controller
+
+maintainers:
+ - Nick Hawkins <nick.hawkins@xxxxxxx>
+
+description: |
+ The HPE GXP fan controller controls the fans through an external CPLD
+ device that connects to the fans.
+
+properties:
+ compatible:
+ const: hpe,gxp-fan-ctrl
+
+ reg:
+ items:
+ - description: Fan controller PWM
+ - description: Programmable logic
+ - description: Function 2
+
+ reg-names:
+ items:
+ - const: base
+ - const: pl
+ - const: fn2
+
+required:
+ - compatible
+ - reg
+ - reg-names
+
+additionalProperties: false
+
+examples:
+ - |
+ fan-controller@1000c00 {
+ compatible = "hpe,gxp-fan-ctrl";
+ reg = <0x1000c00 0x200>, <0xd1000000 0xff>, <0x80200000 0x100000>;
+ reg-names = "base", "pl", "fn2";
+ };
--
2.17.1