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# 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>;
};
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