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# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
# Copyright (C) 2023 Renesas Electronics Corp.
%YAML 1.2
---
$id: http://devicetree.org/schemas/cache/andestech,ax45mp-cache.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Andestech AX45MP L2 Cache Controller
maintainers:
- Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
description:
A level-2 cache (L2C) is used to improve the system performance by providing
a large amount of cache line entries and reasonable access delays. The L2C
is shared between cores, and a non-inclusive non-exclusive policy is used.
select:
properties:
compatible:
contains:
enum:
- andestech,ax45mp-cache
required:
- compatible
properties:
compatible:
items:
- enum:
- andestech,qilai-ax45mp-cache
- renesas,r9a07g043f-ax45mp-cache
- const: andestech,ax45mp-cache
- const: cache
reg:
maxItems: 1
interrupts:
maxItems: 1
cache-line-size:
const: 64
cache-level:
const: 2
cache-sets:
enum: [1024, 2048]
cache-size:
enum: [131072, 262144, 524288, 1048576, 2097152]
cache-unified: true
next-level-cache: true
additionalProperties: false
required:
- compatible
- reg
- interrupts
- cache-line-size
- cache-level
- cache-sets
- cache-size
- cache-unified
allOf:
- if:
properties:
compatible:
contains:
const: andestech,qilai-ax45mp-cache
then:
properties:
cache-sets:
const: 2048
cache-size:
const: 2097152
else:
properties:
cache-sets:
const: 1024
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
cache-controller@13400000 {
compatible = "renesas,r9a07g043f-ax45mp-cache", "andestech,ax45mp-cache",
"cache";
reg = <0x13400000 0x100000>;
interrupts = <508 IRQ_TYPE_LEVEL_HIGH>;
cache-line-size = <64>;
cache-level = <2>;
cache-sets = <1024>;
cache-size = <262144>;
cache-unified;
};
|
