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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/atmel,quadspi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Atmel Quad Serial Peripheral Interface (QSPI)
maintainers:
- Tudor Ambarus <tudor.ambarus@linaro.org>
allOf:
- $ref: spi-controller.yaml#
properties:
compatible:
enum:
- atmel,sama5d2-qspi
- microchip,sam9x60-qspi
- microchip,sama7g5-qspi
- microchip,sama7g5-ospi
reg:
items:
- description: base registers
- description: mapped memory
reg-names:
items:
- const: qspi_base
- const: qspi_mmap
clocks:
minItems: 1
items:
- description: peripheral clock
- description: system clock or generic clock, if available
clock-names:
minItems: 1
items:
- const: pclk
- enum: [ qspick, gclk ]
interrupts:
maxItems: 1
dmas:
items:
- description: tx DMA channel
- description: rx DMA channel
dma-names:
items:
- const: tx
- const: rx
'#address-cells':
const: 1
'#size-cells':
const: 0
required:
- compatible
- reg
- reg-names
- interrupts
- clocks
- clock-names
- '#address-cells'
- '#size-cells'
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/at91.h>
spi@f0020000 {
compatible = "atmel,sama5d2-qspi";
reg = <0xf0020000 0x100>, <0xd0000000 0x8000000>;
reg-names = "qspi_base", "qspi_mmap";
interrupts = <52 IRQ_TYPE_LEVEL_HIGH 7>;
clocks = <&pmc PMC_TYPE_PERIPHERAL 52>;
clock-names = "pclk";
#address-cells = <1>;
#size-cells = <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi0_default>;
flash@0 {
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
reg = <0>;
spi-rx-bus-width = <4>;
spi-tx-bus-width = <4>;
};
};
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