diff options
| -rw-r--r-- | Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml b/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml new file mode 100644 index 000000000000..caca2a4903cd --- /dev/null +++ b/Documentation/devicetree/bindings/npu/rockchip,rk3588-rknn-core.yaml @@ -0,0 +1,112 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/npu/rockchip,rk3588-rknn-core.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Neural Processing Unit IP from Rockchip + +maintainers: + - Tomeu Vizoso <tomeu@tomeuvizoso.net> + +description: + Rockchip IP for accelerating inference of neural networks. + + There is to be a node per each NPU core in the SoC, and each core should reference all the + resources that it needs to function, such as clocks, power domains, and resets. + +properties: + $nodename: + pattern: '^npu@[a-f0-9]+$' + + compatible: + enum: + - rockchip,rk3588-rknn-core + + reg: + maxItems: 3 + + reg-names: + items: + - const: pc # Program Control-related registers + - const: cna # Convolution Neural Network Accelerator registers + - const: core # Main NPU core processing unit registers + + clocks: + maxItems: 4 + + clock-names: + items: + - const: aclk + - const: hclk + - const: npu + - const: pclk + + interrupts: + maxItems: 1 + + iommus: + maxItems: 1 + + npu-supply: true + + power-domains: + maxItems: 1 + + resets: + maxItems: 2 + + reset-names: + items: + - const: srst_a + - const: srst_h + + sram-supply: true + +required: + - compatible + - reg + - reg-names + - clocks + - clock-names + - interrupts + - iommus + - power-domains + - resets + - reset-names + - npu-supply + - sram-supply + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/rockchip,rk3588-cru.h> + #include <dt-bindings/interrupt-controller/irq.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/rk3588-power.h> + #include <dt-bindings/reset/rockchip,rk3588-cru.h> + + bus { + #address-cells = <2>; + #size-cells = <2>; + + npu@fdab0000 { + compatible = "rockchip,rk3588-rknn-core"; + reg = <0x0 0xfdab0000 0x0 0x1000>, + <0x0 0xfdab1000 0x0 0x1000>, + <0x0 0xfdab3000 0x0 0x1000>; + reg-names = "pc", "cna", "core"; + clocks = <&cru ACLK_NPU0>, <&cru HCLK_NPU0>, + <&scmi_clk SCMI_CLK_NPU>, <&cru PCLK_NPU_ROOT>; + clock-names = "aclk", "hclk", "npu", "pclk"; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH 0>; + iommus = <&rknn_mmu_0>; + npu-supply = <&vdd_npu_s0>; + power-domains = <&power RK3588_PD_NPUTOP>; + resets = <&cru SRST_A_RKNN0>, <&cru SRST_H_RKNN0>; + reset-names = "srst_a", "srst_h"; + sram-supply = <&vdd_npu_mem_s0>; + }; + }; +... |