On 6/7/23 19:18, Billy Tsai wrote:
Document the compatible for aspeed,ast2600-tach device. Signed-off-by: Billy Tsai <billy_tsai@xxxxxxxxxxxxxx> --- .../bindings/hwmon/aspeed,ast2600-tach.yaml | 32 +++++++++++++++++++ 1 file changed, 32 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..627aa00f2e92 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml @@ -0,0 +1,32 @@ +# 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 1 fan input. +
The code says: In Aspeed AST2600 SoC features 16 TACH controllers, with each controller capable of supporting up to 1 input. which is a bit different. I guess there are no examples anymore, but I'd really like to see how this looks like in the devicetree file, and how the driver is supposed to distinguish/select the 16 inputs.
+properties: + compatible: + enum: + - aspeed,ast2600-tach + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - clocks + - resets + +additionalProperties: false
