[PATCH v7 02/10] dt-bindings: npu: rockchip: add rockchip,rk3576-rknn-core
From: Jiaxing Hu <hidden>
Date: 2026-08-12 09:41:45
Also in:
dri-devel, linux-devicetree, linux-iommu, linux-pm, linux-rockchip, lkml
Subsystem:
drm accel driver for rockchip npu, open firmware and flattened device tree bindings, the rest · Maintainers:
Tomeu Vizoso, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
The RK3576 NPU has two cores of the same RKNN block the RK3588 binding already describes, but it wires them up differently: two extra CBUF clocks, two power domains per core, and a single reset instead of two. It also has no NPU SRAM supply. Widen the property ranges to cover both, then pin each SoC back to its own shape in allOf so nothing loosens for RK3588, and keep sram-supply required for rockchip,rk3588-rknn-core only. Signed-off-by: Jiaxing Hu <redacted> --- .../npu/rockchip,rk3588-rknn-core.yaml | 47 +++++++++++++++++-- 1 file changed, 44 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml b/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml
index caca2a490..3b611b64c 100644
--- a/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml
+++ b/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml@@ -21,6 +21,7 @@ properties: compatible: enum: + - rockchip,rk3576-rknn-core - rockchip,rk3588-rknn-core reg:
@@ -33,14 +34,18 @@ properties: - const: core # Main NPU core processing unit registers clocks: - maxItems: 4 + minItems: 4 + maxItems: 6 clock-names: + minItems: 4 items: - const: aclk - const: hclk - const: npu - const: pclk + - const: aclk_cbuf + - const: hclk_cbuf interrupts: maxItems: 1
@@ -51,12 +56,15 @@ properties: npu-supply: true power-domains: - maxItems: 1 + minItems: 1 + maxItems: 2 resets: + minItems: 1 maxItems: 2 reset-names: + minItems: 1 items: - const: srst_a - const: srst_h
@@ -75,7 +83,40 @@ required: - resets - reset-names - npu-supply - - sram-supply + +allOf: + - if: + properties: + compatible: + contains: + const: rockchip,rk3588-rknn-core + then: + properties: + clocks: + maxItems: 4 + clock-names: + maxItems: 4 + power-domains: + maxItems: 1 + resets: + minItems: 2 + reset-names: + minItems: 2 + required: + - sram-supply + else: + properties: + clocks: + minItems: 6 + clock-names: + minItems: 6 + power-domains: + minItems: 2 + resets: + maxItems: 1 + reset-names: + maxItems: 1 + sram-supply: false additionalProperties: false
--
2.43.0