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access-controllers is an optional property that allows a peripheral to refer to one or more domain access controller(s). Description of this property is added to all peripheral binding files of the peripheral under the STM32 firewall controller. It allows an accurate representation of the hardware, where various peripherals are connected to a firewall bus. The firewall can then check the peripheral accesses before allowing its device to probe. Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
74 lines
1.4 KiB
YAML
74 lines
1.4 KiB
YAML
# 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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$id: http://devicetree.org/schemas/crypto/st,stm32-cryp.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: STMicroelectronics STM32 CRYP
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description: The STM32 CRYP block is built on the CRYP 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-cryp
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- stericsson,ux500-cryp
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- st,stm32f756-cryp
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- st,stm32mp1-cryp
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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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items:
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- description: mem2cryp DMA channel
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- description: cryp2mem DMA channel
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dma-names:
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items:
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- const: mem2cryp
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- const: cryp2mem
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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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- 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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cryp@54001000 {
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compatible = "st,stm32mp1-cryp";
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reg = <0x54001000 0x400>;
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interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&rcc CRYP1>;
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resets = <&rcc CRYP1_R>;
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};
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...
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