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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/crypto/st,stm32-hash.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 HASH
description: The STM32 HASH block is built on the HASH block found in
the STn8820 SoC introduced in 2007, and subsequently used in the U8500
SoC in 2010.
maintainers:
- Lionel Debieve <lionel.debieve@foss.st.com>
properties:
compatible:
enum:
- st,stn8820-hash
- stericsson,ux500-hash
- st,stm32f456-hash
- st,stm32f756-hash
- st,stm32mp13-hash
reg:
maxItems: 1
clocks:
maxItems: 1
interrupts:
maxItems: 1
resets:
maxItems: 1
dmas:
maxItems: 1
dma-names:
items:
- const: in
dma-maxburst:
description: Set number of maximum dma burst supported
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 0
maximum: 2
default: 0
power-domains:
maxItems: 1
required:
- compatible
- reg
- clocks
allOf:
- if:
properties:
compatible:
items:
const: stericsson,ux500-hash
then:
properties:
interrupts: false
else:
required:
- interrupts
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/stm32mp1-clks.h>
#include <dt-bindings/reset/stm32mp1-resets.h>
hash@54002000 {
compatible = "st,stm32f756-hash";
reg = <0x54002000 0x400>;
interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rcc HASH1>;
resets = <&rcc HASH1_R>;
dmas = <&mdma1 31 0x10 0x1000A02 0x0 0x0>;
dma-names = "in";
dma-maxburst = <2>;
};
...
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