[PATCH v14 06/15] dt-bindings: npu: rockchip: add rockchip,rk3576-rknn-core

From: Jiaxing Hu

Date: Thu Sep 24 2026 - 06:40:09 EST


The RK3576 NPU has two cores of the RKNN block this binding describes, with
two extra CBUF clocks, two power domains per core, one reset instead of
two, and no SRAM supply. Widen the properties and pin each SoC to its own
shape in allOf; sram-supply stays required for RK3588.

Signed-off-by: Jiaxing Hu <gahing@xxxxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
---
.../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