| # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
| # Copyright 2019 BayLibre, SAS |
| %YAML 1.2 |
| --- |
| $id: "http://devicetree.org/schemas/reset/amlogic,meson-axg-audio-arb.yaml#" |
| $schema: "http://devicetree.org/meta-schemas/core.yaml#" |
| |
| title: Amlogic audio memory arbiter controller |
| |
| maintainers: |
| - Jerome Brunet <jbrunet@baylibre.com> |
| |
| description: The Amlogic Audio ARB is a simple device which enables or disables |
| the access of Audio FIFOs to DDR on AXG based SoC. |
| |
| properties: |
| compatible: |
| enum: |
| - amlogic,meson-axg-audio-arb |
| - amlogic,meson-sm1-audio-arb |
| |
| reg: |
| maxItems: 1 |
| |
| clocks: |
| maxItems: 1 |
| description: | |
| phandle to the fifo peripheral clock provided by the audio clock |
| controller. |
| |
| "#reset-cells": |
| const: 1 |
| |
| required: |
| - compatible |
| - reg |
| - clocks |
| - "#reset-cells" |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| // on the A113 SoC: |
| #include <dt-bindings/clock/axg-audio-clkc.h> |
| bus { |
| #address-cells = <2>; |
| #size-cells = <2>; |
| |
| arb: reset-controller@280 { |
| compatible = "amlogic,meson-axg-audio-arb"; |
| reg = <0x0 0x280 0x0 0x4>; |
| #reset-cells = <1>; |
| clocks = <&clkc_audio AUD_CLKID_DDR_ARB>; |
| }; |
| }; |
