90 lines
1.7 KiB
YAML
90 lines
1.7 KiB
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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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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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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