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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/npu/arm,ethos.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Arm Ethos U65/U85
maintainers:
- Rob Herring <robh@kernel.org>
description: >
The Arm Ethos-U NPUs are designed for IoT inference applications. The NPUs
can accelerate 8-bit and 16-bit integer quantized networks:
Transformer networks (U85 only)
Convolutional Neural Networks (CNN)
Recurrent Neural Networks (RNN)
Further documentation is available here:
U65 TRM: https://developer.arm.com/documentation/102023/
U85 TRM: https://developer.arm.com/documentation/102685/
properties:
compatible:
oneOf:
- items:
- enum:
- fsl,imx93-npu
- const: arm,ethos-u65
- items:
- {}
- const: arm,ethos-u85
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
maxItems: 2
clock-names:
items:
- const: core
- const: apb
power-domains:
maxItems: 1
sram:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/imx93-clock.h>
npu@4a900000 {
compatible = "fsl,imx93-npu", "arm,ethos-u65";
reg = <0x4a900000 0x1000>;
interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
power-domains = <&mlmix>;
clocks = <&clk IMX93_CLK_ML>, <&clk IMX93_CLK_ML_APB>;
clock-names = "core", "apb";
sram = <&sram>;
};
...
|
