projects / mirror_ubuntu-jammy-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 31ca694e MR |
1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | %YAML 1.2 | |
| 3 | --- | |
| 4 | $id: http://devicetree.org/schemas/bus/allwinner,sun50i-a64-de2.yaml# | |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# | |
| 6 | ||
| 7 | title: Allwinner A64 Display Engine Bus Device Tree Bindings | |
| 8 | ||
| 9 | maintainers: | |
| 10 | - Chen-Yu Tsai <wens@csie.org> | |
| 5c7404bb | 11 | - Maxime Ripard <mripard@kernel.org> |
| 31ca694e MR |
12 | |
| 13 | properties: | |
| 14 | $nodename: | |
| 15 | pattern: "^bus(@[0-9a-f]+)?$" | |
| 16 | ||
| 17 | "#address-cells": | |
| 18 | const: 1 | |
| 19 | ||
| 20 | "#size-cells": | |
| 21 | const: 1 | |
| 22 | ||
| 23 | compatible: | |
| 24 | oneOf: | |
| 25 | - const: allwinner,sun50i-a64-de2 | |
| 26 | - items: | |
| 27 | - const: allwinner,sun50i-h6-de3 | |
| 28 | - const: allwinner,sun50i-a64-de2 | |
| 29 | ||
| 30 | reg: | |
| 31 | maxItems: 1 | |
| 32 | ||
| 33 | allwinner,sram: | |
| 34 | allOf: | |
| 35 | - $ref: /schemas/types.yaml#definitions/phandle-array | |
| 36 | - maxItems: 1 | |
| 37 | description: | |
| 38 | The SRAM that needs to be claimed to access the display engine | |
| 39 | bus. | |
| 40 | ||
| 41 | ranges: true | |
| 42 | ||
| 43 | patternProperties: | |
| 44 | # All other properties should be child nodes with unit-address and 'reg' | |
| 45 | "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$": | |
| 46 | type: object | |
| 47 | properties: | |
| 48 | reg: | |
| 49 | maxItems: 1 | |
| 50 | ||
| 51 | required: | |
| 52 | - reg | |
| 53 | ||
| 54 | required: | |
| 55 | - compatible | |
| 56 | - reg | |
| 57 | - "#address-cells" | |
| 58 | - "#size-cells" | |
| 59 | - ranges | |
| 60 | - allwinner,sram | |
| 61 | ||
| 62 | additionalProperties: false | |
| 63 | ||
| 64 | examples: | |
| 65 | - | | |
| 66 | bus@1000000 { | |
| 67 | compatible = "allwinner,sun50i-a64-de2"; | |
| 68 | reg = <0x1000000 0x400000>; | |
| 69 | allwinner,sram = <&de2_sram 1>; | |
| 70 | #address-cells = <1>; | |
| 71 | #size-cells = <1>; | |
| 72 | ranges = <0 0x1000000 0x400000>; | |
| 73 | ||
| 74 | display_clocks: clock@0 { | |
| 75 | compatible = "allwinner,sun50i-a64-de2-clk"; | |
| 76 | reg = <0x0 0x100000>; | |
| 77 | clocks = <&ccu 52>, <&ccu 99>; | |
| 78 | clock-names = "bus", "mod"; | |
| 79 | resets = <&ccu 30>; | |
| 80 | #clock-cells = <1>; | |
| 81 | #reset-cells = <1>; | |
| 82 | }; | |
| 83 | }; | |
| 84 | ||
| 85 | ... |