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--- a/dts/Bindings/arm/socionext/socionext,uniphier-system-cache.yaml
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-# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/arm/socionext/socionext,uniphier-system-cache.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: UniPhier outer cache controller
-
-description: |
- UniPhier ARM 32-bit SoCs are integrated with a full-custom outer cache
- controller system. All of them have a level 2 cache controller, and some
- have a level 3 cache controller as well.
-
-maintainers:
- - Masahiro Yamada <yamada.masahiro@socionext.com>
-
-properties:
- compatible:
- const: socionext,uniphier-system-cache
-
- reg:
- description: |
- should contain 3 regions: control register, revision register,
- operation register, in this order.
- minItems: 3
- maxItems: 3
-
- interrupts:
- description: |
- Interrupts can be used to notify the completion of cache operations.
- The number of interrupts should match to the number of CPU cores.
- The specified interrupts correspond to CPU0, CPU1, ... in this order.
- minItems: 1
- maxItems: 4
-
- cache-unified: true
-
- cache-size: true
-
- cache-sets: true
-
- cache-line-size: true
-
- cache-level:
- minimum: 2
- maximum: 3
-
- next-level-cache: true
-
-allOf:
- - $ref: /schemas/cache-controller.yaml#
-
-additionalProperties: false
-
-required:
- - compatible
- - reg
- - interrupts
- - cache-unified
- - cache-size
- - cache-sets
- - cache-line-size
- - cache-level
-
-examples:
- - |
- // System with L2.
- cache-controller@500c0000 {
- compatible = "socionext,uniphier-system-cache";
- reg = <0x500c0000 0x2000>, <0x503c0100 0x4>, <0x506c0000 0x400>;
- interrupts = <0 174 4>, <0 175 4>, <0 190 4>, <0 191 4>;
- cache-unified;
- cache-size = <0x140000>;
- cache-sets = <512>;
- cache-line-size = <128>;
- cache-level = <2>;
- };
- - |
- // System with L2 and L3.
- // L2 should specify the next level cache by 'next-level-cache'.
- l2: cache-controller@500c0000 {
- compatible = "socionext,uniphier-system-cache";
- reg = <0x500c0000 0x2000>, <0x503c0100 0x8>, <0x506c0000 0x400>;
- interrupts = <0 190 4>, <0 191 4>;
- cache-unified;
- cache-size = <0x200000>;
- cache-sets = <512>;
- cache-line-size = <128>;
- cache-level = <2>;
- next-level-cache = <&l3>;
- };
-
- l3: cache-controller@500c8000 {
- compatible = "socionext,uniphier-system-cache";
- reg = <0x500c8000 0x2000>, <0x503c8100 0x8>, <0x506c8000 0x400>;
- interrupts = <0 174 4>, <0 175 4>;
- cache-unified;
- cache-size = <0x200000>;
- cache-sets = <512>;
- cache-line-size = <256>;
- cache-level = <3>;
- };