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