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