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99 lines
2.0 KiB
99 lines
2.0 KiB
# 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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$id: http://devicetree.org/schemas/spi/atmel,quadspi.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Atmel Quad Serial Peripheral Interface (QSPI) |
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maintainers: |
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- Tudor Ambarus <[email protected]> |
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allOf: |
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- $ref: spi-controller.yaml# |
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properties: |
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compatible: |
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enum: |
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- atmel,sama5d2-qspi |
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- microchip,sam9x60-qspi |
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- microchip,sama7g5-qspi |
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- microchip,sama7g5-ospi |
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reg: |
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items: |
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- description: base registers |
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- description: mapped memory |
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reg-names: |
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items: |
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- const: qspi_base |
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- const: qspi_mmap |
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clocks: |
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minItems: 1 |
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items: |
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- description: peripheral clock |
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- description: system clock or generic clock, if available |
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clock-names: |
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minItems: 1 |
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items: |
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- const: pclk |
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- enum: [ qspick, gclk ] |
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interrupts: |
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maxItems: 1 |
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dmas: |
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items: |
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- description: tx DMA channel |
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- description: rx DMA channel |
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dma-names: |
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items: |
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- const: tx |
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- const: rx |
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'#address-cells': |
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const: 1 |
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'#size-cells': |
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const: 0 |
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required: |
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- compatible |
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- reg |
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- reg-names |
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- interrupts |
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- clocks |
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- clock-names |
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- '#address-cells' |
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- '#size-cells' |
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unevaluatedProperties: false |
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examples: |
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- | |
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#include <dt-bindings/interrupt-controller/irq.h> |
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#include <dt-bindings/clock/at91.h> |
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spi@f0020000 { |
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compatible = "atmel,sama5d2-qspi"; |
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reg = <0xf0020000 0x100>, <0xd0000000 0x8000000>; |
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reg-names = "qspi_base", "qspi_mmap"; |
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interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>; |
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clocks = <&pmc PMC_TYPE_PERIPHERAL 52>; |
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clock-names = "pclk"; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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pinctrl-names = "default"; |
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pinctrl-0 = <&pinctrl_spi0_default>; |
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flash@0 { |
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compatible = "jedec,spi-nor"; |
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spi-max-frequency = <50000000>; |
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reg = <0>; |
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spi-rx-bus-width = <4>; |
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spi-tx-bus-width = <4>; |
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}; |
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};
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