blob: 584cce3211c09b7673aa77406b4d8d5975486cd8 [file] [log] [blame]
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwlock/allwinner,sun6i-a31-hwspinlock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: SUN6I hardware spinlock driver for Allwinner sun6i compatible SoCs
maintainers:
- Wilken Gottwalt <wilken.gottwalt@posteo.net>
description:
The hardware unit provides semaphores between the ARM cores and the embedded
companion core on the SoC.
properties:
compatible:
const: allwinner,sun6i-a31-hwspinlock
reg:
maxItems: 1
clocks:
maxItems: 1
resets:
maxItems: 1
'#hwlock-cells':
const: 1
required:
- compatible
- reg
- clocks
- resets
- "#hwlock-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/sun8i-a23-a33-ccu.h>
#include <dt-bindings/reset/sun8i-a23-a33-ccu.h>
hwlock@1c18000 {
compatible = "allwinner,sun6i-a31-hwspinlock";
reg = <0x01c18000 0x1000>;
clocks = <&ccu CLK_BUS_SPINLOCK>;
resets = <&ccu RST_BUS_SPINLOCK>;
#hwlock-cells = <1>;
};
...