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a678ec17f5
Convert the ASpeed Coldfire offloaded GPIO FSI master. 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-v1-6-e7b695a29fc3@kernel.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
82 lines
1.8 KiB
YAML
82 lines
1.8 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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$id: http://devicetree.org/schemas/fsi/aspeed,ast2400-cf-fsi-master.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: ASpeed ColdFire offloaded GPIO-based FSI master
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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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enum:
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- aspeed,ast2400-cf-fsi-master
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- aspeed,ast2500-cf-fsi-master
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clock-gpios:
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maxItems: 1
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description: GPIO for FSI clock
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data-gpios:
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maxItems: 1
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description: GPIO for FSI data signal
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enable-gpios:
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maxItems: 1
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description: GPIO for enable signal
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trans-gpios:
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maxItems: 1
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description: GPIO for voltage translator enable
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mux-gpios:
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maxItems: 1
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description:
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GPIO for pin multiplexing with other functions (eg, external FSI masters)
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memory-region:
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maxItems: 1
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description:
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Reference to the reserved memory for the ColdFire. Must be 2M aligned on
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AST2400 and 1M aligned on AST2500.
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aspeed,cvic:
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description: Reference to the CVIC node.
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$ref: /schemas/types.yaml#/definitions/phandle
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aspeed,sram:
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description: Reference to the SRAM node.
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$ref: /schemas/types.yaml#/definitions/phandle
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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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- enable-gpios
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- trans-gpios
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- mux-gpios
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- memory-region
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- aspeed,cvic
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- aspeed,sram
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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 = "aspeed,ast2500-cf-fsi-master";
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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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memory-region = <&coldfire_memory>;
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aspeed,cvic = <&cvic>;
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aspeed,sram = <&sram>;
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};
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