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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/cache/starfive,jh8100-starlink-cache.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: StarFive StarLink Cache Controller
maintainers:
- Joshua Yeong <joshua.yeong@starfivetech.com>
description:
StarFive's StarLink Cache Controller manages the L3 cache shared between
clusters of CPU cores. The cache driver enables RISC-V non-standard cache
management as an alternative to instructions in the RISC-V Zicbom extension.
allOf:
- $ref: /schemas/cache-controller.yaml#
# We need a select here so we don't match all nodes with 'cache'
select:
properties:
compatible:
contains:
enum:
- starfive,jh8100-starlink-cache
required:
- compatible
properties:
compatible:
items:
- const: starfive,jh8100-starlink-cache
- const: cache
reg:
maxItems: 1
unevaluatedProperties: false
required:
- compatible
- reg
- cache-block-size
- cache-level
- cache-sets
- cache-size
- cache-unified
examples:
- |
soc {
#address-cells = <2>;
#size-cells = <2>;
cache-controller@15000000 {
compatible = "starfive,jh8100-starlink-cache", "cache";
reg = <0x0 0x15000000 0x0 0x278>;
cache-block-size = <64>;
cache-level = <3>;
cache-sets = <8192>;
cache-size = <0x400000>;
cache-unified;
};
};
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