[v4 3/5] dt-bindings: hwmon: Add bindings for aspeed tach controller

From: Billy Tsai
Date: Wed Nov 23 2022 - 01:19:23 EST


Add the aspeed tach device bindings which should be the child-node of
pwm-tach mfd.

Signed-off-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx>
---
.../bindings/hwmon/aspeed,ast2600-tach.yaml | 36 +++++++++++++++++++
1 file changed, 36 insertions(+)
create mode 100644 Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml

diff --git a/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml
new file mode 100644
index 000000000000..f42114f8e3c2
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml
@@ -0,0 +1,36 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2021 Aspeed, Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hwmon/aspeed,ast2600-tach.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Aspeed Ast2600 Tach controller
+
+maintainers:
+ - Billy Tsai <billy_tsai@xxxxxxxxxxxxxx>
+
+description: |
+ The Aspeed Tach controller can support upto 16 fan input.
+ This module is part of the ast2600-pwm-tach multi-function device. For more
+ details see ../mfd/aspeed,ast2600-pwm-tach.yaml.
+
+properties:
+ compatible:
+ enum:
+ - aspeed,ast2600-tach
+patternProperties:
+ "^fan@[a-z0-9]+$":
+ type: object
+ properties:
+ reg:
+ description:
+ The tach channel used for this node.
+ maxItems: 1
+ required:
+ - reg
+
+required:
+ - compatible
+
+additionalProperties: false
--
2.25.1