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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/arm/socionext | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/arm/socionext')
3 files changed, 191 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/arm/socionext/milbeaut.yaml b/Documentation/devicetree/bindings/arm/socionext/milbeaut.yaml new file mode 100644 index 000000000..aa1d4afbc --- /dev/null +++ b/Documentation/devicetree/bindings/arm/socionext/milbeaut.yaml @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/socionext/milbeaut.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Milbeaut platforms device tree bindings + +maintainers: + - Taichi Sugaya <sugaya.taichi@socionext.com> + - Takao Orito <orito.takao@socionext.com> + +properties: + $nodename: + const: '/' + compatible: + oneOf: + - items: + - enum: + - socionext,milbeaut-m10v-evb + - const: socionext,sc2000a + +additionalProperties: true + +... diff --git a/Documentation/devicetree/bindings/arm/socionext/socionext,uniphier-system-cache.yaml b/Documentation/devicetree/bindings/arm/socionext/socionext,uniphier-system-cache.yaml new file mode 100644 index 000000000..2e765bb3e --- /dev/null +++ b/Documentation/devicetree/bindings/arm/socionext/socionext,uniphier-system-cache.yaml @@ -0,0 +1,102 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$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: + - $ref: /schemas/cache-controller.yaml# + +additionalProperties: false + +required: + - compatible + - reg + - interrupts + - cache-unified + - cache-size + - cache-sets + - cache-line-size + - cache-level + +examples: + - | + // System with L2. + cache-controller@500c0000 { + compatible = "socionext,uniphier-system-cache"; + reg = <0x500c0000 0x2000>, <0x503c0100 0x4>, <0x506c0000 0x400>; + interrupts = <0 174 4>, <0 175 4>, <0 190 4>, <0 191 4>; + cache-unified; + cache-size = <0x140000>; + cache-sets = <512>; + cache-line-size = <128>; + cache-level = <2>; + }; + - | + // System with L2 and L3. + // L2 should specify the next level cache by 'next-level-cache'. + l2: cache-controller@500c0000 { + compatible = "socionext,uniphier-system-cache"; + reg = <0x500c0000 0x2000>, <0x503c0100 0x8>, <0x506c0000 0x400>; + interrupts = <0 190 4>, <0 191 4>; + cache-unified; + cache-size = <0x200000>; + cache-sets = <512>; + cache-line-size = <128>; + cache-level = <2>; + next-level-cache = <&l3>; + }; + + l3: cache-controller@500c8000 { + compatible = "socionext,uniphier-system-cache"; + reg = <0x500c8000 0x2000>, <0x503c8100 0x8>, <0x506c8000 0x400>; + interrupts = <0 174 4>, <0 175 4>; + cache-unified; + cache-size = <0x200000>; + cache-sets = <512>; + cache-line-size = <256>; + cache-level = <3>; + }; diff --git a/Documentation/devicetree/bindings/arm/socionext/uniphier.yaml b/Documentation/devicetree/bindings/arm/socionext/uniphier.yaml new file mode 100644 index 000000000..8c0e91658 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/socionext/uniphier.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/socionext/uniphier.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Socionext UniPhier platform device tree bindings + +maintainers: + - Masahiro Yamada <yamada.masahiro@socionext.com> + +properties: + $nodename: + const: / + compatible: + oneOf: + - description: LD4 SoC boards + items: + - enum: + - socionext,uniphier-ld4-ref + - const: socionext,uniphier-ld4 + - description: Pro4 SoC boards + items: + - enum: + - socionext,uniphier-pro4-ace + - socionext,uniphier-pro4-ref + - socionext,uniphier-pro4-sanji + - const: socionext,uniphier-pro4 + - description: sLD8 SoC boards + items: + - enum: + - socionext,uniphier-sld8-ref + - const: socionext,uniphier-sld8 + - description: PXs2 SoC boards + items: + - enum: + - socionext,uniphier-pxs2-gentil + - socionext,uniphier-pxs2-vodka + - const: socionext,uniphier-pxs2 + - description: LD6b SoC boards + items: + - enum: + - socionext,uniphier-ld6b-ref + - const: socionext,uniphier-ld6b + - description: LD11 SoC boards + items: + - enum: + - socionext,uniphier-ld11-global + - socionext,uniphier-ld11-ref + - const: socionext,uniphier-ld11 + - description: LD20 SoC boards + items: + - enum: + - socionext,uniphier-ld20-akebi96 + - socionext,uniphier-ld20-global + - socionext,uniphier-ld20-ref + - const: socionext,uniphier-ld20 + - description: PXs3 SoC boards + items: + - enum: + - socionext,uniphier-pxs3-ref + - const: socionext,uniphier-pxs3 + +additionalProperties: true |