# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id:
http://devicetree.org/schemas/spi/st,stm32-qspi.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: STMicroelectronics STM32 Quad Serial Peripheral Interface (QSPI)
maintainers:
- Christophe Kerello <christophe.kerello@foss.st.com>
- Patrice Chotard <patrice.chotard@foss.st.com>
allOf:
- $ref: spi-controller.yaml#
properties:
compatible:
const: st,stm32f469-qspi
reg:
items:
- description: registers
- description: memory mapping
reg-names:
items:
- const: qspi
- const: qspi_mm
clocks:
maxItems: 1
interrupts:
maxItems: 1
resets:
maxItems: 1
dmas:
items:
- description: tx DMA channel
- description: rx DMA channel
dma-names:
items:
- const: tx
- const: rx
access-controllers:
minItems: 1
maxItems: 2
required:
- compatible
- reg
- reg-names
- clocks
- interrupts
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/stm32mp1-clks.h>
#include <dt-bindings/reset/stm32mp1-resets.h>
spi@58003000 {
compatible = "st,stm32f469-qspi";
reg = <0x58003000 0x1000>, <0x70000000 0x10000000>;
reg-names = "qspi", "qspi_mm";
interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&mdma1 22 0x10 0x100002 0x0 0x0>,
<&mdma1 22 0x10 0x100008 0x0 0x0>;
dma-names = "tx", "rx";
clocks = <&rcc QSPI_K>;
resets = <&rcc QSPI_R>;
#address-cells = <1>;
#size-cells = <0>;
flash@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-rx-bus-width = <4>;
spi-max-frequency = <108000000>;
};
};
...
