| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 |
| 8 | |
| 9 | maintainers: |
| 10 | - Chen-Yu Tsai <wens@csie.org> |
| 11 | - Maxime Ripard <mripard@kernel.org> |
| 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 | description: |
| 35 | The SRAM that needs to be claimed to access the display engine |
| 36 | bus. |
| 37 | $ref: /schemas/types.yaml#/definitions/phandle-array |
| 38 | items: |
| 39 | - items: |
| 40 | - description: phandle to SRAM |
| 41 | - description: register value for device |
| 42 | |
| 43 | ranges: true |
| 44 | |
| 45 | patternProperties: |
| 46 | # All other properties should be child nodes with unit-address and 'reg' |
| 47 | "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$": |
| 48 | type: object |
| 49 | additionalProperties: true |
| 50 | properties: |
| 51 | reg: |
| 52 | maxItems: 1 |
| 53 | |
| 54 | required: |
| 55 | - reg |
| 56 | |
| 57 | required: |
| 58 | - compatible |
| 59 | - reg |
| 60 | - "#address-cells" |
| 61 | - "#size-cells" |
| 62 | - ranges |
| 63 | - allwinner,sram |
| 64 | |
| 65 | additionalProperties: false |
| 66 | |
| 67 | examples: |
| 68 | - | |
| 69 | bus@1000000 { |
| 70 | compatible = "allwinner,sun50i-a64-de2"; |
| 71 | reg = <0x1000000 0x400000>; |
| 72 | allwinner,sram = <&de2_sram 1>; |
| 73 | #address-cells = <1>; |
| 74 | #size-cells = <1>; |
| 75 | ranges = <0 0x1000000 0x400000>; |
| 76 | |
| 77 | display_clocks: clock@0 { |
| 78 | compatible = "allwinner,sun50i-a64-de2-clk"; |
| 79 | reg = <0x0 0x100000>; |
| 80 | clocks = <&ccu 52>, <&ccu 99>; |
| 81 | clock-names = "bus", "mod"; |
| 82 | resets = <&ccu 30>; |
| 83 | #clock-cells = <1>; |
| 84 | #reset-cells = <1>; |
| 85 | }; |
| 86 | }; |
| 87 | |
| 88 | ... |