Files
cubelinux-kernel/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

66 lines
1.6 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright 2019 BayLibre, SAS
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/amlogic/amlogic,meson-gx-ao-secure.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Amlogic Meson Firmware registers Interface
maintainers:
- Neil Armstrong <neil.armstrong@linaro.org>
description: |
The Meson SoCs have a register bank with status and data shared with the
secure firmware.
# We need a select here so we don't match all nodes with 'syscon'
select:
properties:
compatible:
contains:
const: amlogic,meson-gx-ao-secure
required:
- compatible
properties:
compatible:
oneOf:
- items:
- const: amlogic,meson-gx-ao-secure
- const: syscon
- items:
- enum:
- amlogic,a4-ao-secure
- amlogic,c3-ao-secure
- amlogic,s4-ao-secure
- amlogic,s6-ao-secure
- amlogic,s7-ao-secure
- amlogic,s7d-ao-secure
- amlogic,t7-ao-secure
- const: amlogic,meson-gx-ao-secure
- const: syscon
reg:
maxItems: 1
amlogic,has-chip-id:
description: |
A firmware register encodes the SoC type, package and revision
information on the Meson GX SoCs. If present, the interface gives
the current SoC version.
type: boolean
required:
- compatible
- reg
additionalProperties: false
examples:
- |
ao-secure@140 {
compatible = "amlogic,meson-gx-ao-secure", "syscon";
reg = <0x140 0x140>;
amlogic,has-chip-id;
};