88 lines
1.8 KiB
YAML
88 lines
1.8 KiB
YAML
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/bus/allwinner,sun50i-a64-de2.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Allwinner A64 Display Engine Bus
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maintainers:
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- Chen-Yu Tsai <wens@csie.org>
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- Maxime Ripard <mripard@kernel.org>
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properties:
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$nodename:
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pattern: "^bus(@[0-9a-f]+)?$"
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"#address-cells":
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const: 1
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"#size-cells":
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const: 1
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compatible:
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oneOf:
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- const: allwinner,sun50i-a64-de2
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- items:
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- const: allwinner,sun50i-h6-de3
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- const: allwinner,sun50i-a64-de2
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reg:
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maxItems: 1
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allwinner,sram:
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description:
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The SRAM that needs to be claimed to access the display engine
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bus.
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$ref: /schemas/types.yaml#/definitions/phandle-array
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items:
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- items:
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- description: phandle to SRAM
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- description: register value for device
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ranges: true
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patternProperties:
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# All other properties should be child nodes with unit-address and 'reg'
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"^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$":
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type: object
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properties:
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reg:
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maxItems: 1
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required:
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- reg
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required:
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- compatible
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- reg
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- "#address-cells"
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- "#size-cells"
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- ranges
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- allwinner,sram
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additionalProperties: false
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examples:
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- |
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bus@1000000 {
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compatible = "allwinner,sun50i-a64-de2";
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reg = <0x1000000 0x400000>;
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allwinner,sram = <&de2_sram 1>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0 0x1000000 0x400000>;
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display_clocks: clock@0 {
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compatible = "allwinner,sun50i-a64-de2-clk";
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reg = <0x0 0x100000>;
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clocks = <&ccu 52>, <&ccu 99>;
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clock-names = "bus", "mod";
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resets = <&ccu 30>;
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#clock-cells = <1>;
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#reset-cells = <1>;
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};
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};
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...
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