Files
linux/Documentation/devicetree/bindings/fsi/fsi-master-gpio.yaml
Rob Herring (Arm) 17c66b1037 dt-bindings: fsi: Convert fsi-master-gpio to DT schema
Convert the GPIO-based FSI master binding to DT schema format.

Drop the "fsi-master" compatible as it has not be used consistently and
doesn't represent anything.

Acked-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20250731-dt-fsi-cleanups-v1-5-e7b695a29fc3@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
2025-08-11 08:10:39 -05:00

64 lines
1.3 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/fsi/fsi-master-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: fsi-master-gpio
maintainers:
- Eddie James <eajames@linux.ibm.com>
allOf:
- $ref: /schemas/fsi/fsi-controller.yaml
properties:
compatible:
items:
- const: fsi-master-gpio
clock-gpios:
description: GPIO for FSI clock
maxItems: 1
data-gpios:
description: GPIO for FSI data signal
maxItems: 1
enable-gpios:
description: GPIO for enable signal
maxItems: 1
trans-gpios:
description: GPIO for voltage translator enable
maxItems: 1
mux-gpios:
description: GPIO for pin multiplexing with other functions (eg, external
FSI masters)
maxItems: 1
no-gpio-delays:
description:
Don't add extra delays between GPIO accesses. This is useful when the HW
GPIO block is running at a low enough frequency.
type: boolean
required:
- compatible
- clock-gpios
- data-gpios
unevaluatedProperties: false
examples:
- |
fsi-master {
compatible = "fsi-master-gpio";
clock-gpios = <&gpio 0>;
data-gpios = <&gpio 1>;
enable-gpios = <&gpio 2>;
trans-gpios = <&gpio 3>;
mux-gpios = <&gpio 4>;
};