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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/crypto/st,stm32-hash.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/crypto/st,stm32-hash.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: STMicroelectronics STM32 HASH

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description: The STM32 HASH block is built on the HASH block found in

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  the STn8820 SoC introduced in 2007, and subsequently used in the U8500

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  SoC in 2010.

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maintainers:

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  - Lionel Debieve <lionel.debieve@foss.st.com>

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properties:

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  compatible:

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    enum:

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      - st,stn8820-hash

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      - stericsson,ux500-hash

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      - st,stm32f456-hash

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      - st,stm32f756-hash

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      - st,stm32mp13-hash

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  reg:

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    maxItems: 1

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  clocks:

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    maxItems: 1

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  interrupts:

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    maxItems: 1

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  resets:

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    maxItems: 1

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  dmas:

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    maxItems: 1

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  dma-names:

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    items:

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      - const: in

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  dma-maxburst:

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    description: Set number of maximum dma burst supported

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    $ref: /schemas/types.yaml#/definitions/uint32

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    minimum: 0

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    maximum: 2

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    default: 0

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  power-domains:

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    maxItems: 1

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  access-controllers:

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    minItems: 1

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    maxItems: 2

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required:

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  - compatible

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  - reg

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  - clocks

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allOf:

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  - if:

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      properties:

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        compatible:

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          items:

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            const: stericsson,ux500-hash

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    then:

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      properties:

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        interrupts: false

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    else:

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      required:

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        - interrupts

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    #include <dt-bindings/clock/stm32mp1-clks.h>

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    #include <dt-bindings/reset/stm32mp1-resets.h>

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    hash@54002000 {

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      compatible = "st,stm32f756-hash";

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      reg = <0x54002000 0x400>;

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      interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;

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      clocks = <&rcc HASH1>;

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      resets = <&rcc HASH1_R>;

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      dmas = <&mdma1 31 0x10 0x1000A02 0x0 0x0>;

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      dma-names = "in";

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      dma-maxburst = <2>;

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    };

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...

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