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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/img,hash-accelerator.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Imagination Technologies hardware hash accelerator
maintainers:
- James Hartley <james.hartley@imgtec.com>
description:
The hash accelerator provides hardware hashing acceleration for
SHA1, SHA224, SHA256 and MD5 hashes.
properties:
compatible:
const: img,hash-accelerator
reg:
items:
- description: Register base address and size
- description: DMA port specifier
interrupts:
maxItems: 1
dmas:
maxItems: 1
dma-names:
items:
- const: tx
clocks:
items:
- description: System clock for hash block registers
- description: Hash clock for data path
clock-names:
items:
- const: sys
- const: hash
additionalProperties: false
required:
- compatible
- reg
- interrupts
- dmas
- dma-names
- clocks
- clock-names
examples:
- |
#include <dt-bindings/interrupt-controller/mips-gic.h>
#include <dt-bindings/clock/pistachio-clk.h>
hash@18149600 {
compatible = "img,hash-accelerator";
reg = <0x18149600 0x100>, <0x18101100 0x4>;
interrupts = <GIC_SHARED 59 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&dma 8 0xffffffff 0>;
dma-names = "tx";
clocks = <&cr_periph SYS_CLK_HASH>, <&clk_periph PERIPH_CLK_ROM>;
clock-names = "sys", "hash";
};
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