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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/microchip,mpfs-spi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Microchip FPGA {Q,}SPI Controllers
description:
SPI and QSPI controllers on Microchip PolarFire SoC and the "soft"/
fabric IP cores they are based on
maintainers:
- Conor Dooley <conor.dooley@microchip.com>
properties:
compatible:
oneOf:
- items:
- const: microchip,mpfs-qspi
- const: microchip,coreqspi-rtl-v2
- const: microchip,coreqspi-rtl-v2 # FPGA QSPI
- const: microchip,mpfs-spi
reg:
maxItems: 1
interrupts:
maxItems: 1
clock-names:
maxItems: 1
clocks:
maxItems: 1
required:
- compatible
- reg
- interrupts
- clocks
allOf:
- $ref: spi-controller.yaml#
- if:
properties:
compatible:
contains:
const: microchip,mpfs-spi
then:
properties:
num-cs:
default: 1
- if:
properties:
compatible:
contains:
const: microchip,mpfs-spi
not:
required:
- cs-gpios
then:
properties:
num-cs:
maximum: 1
unevaluatedProperties: false
examples:
- |
#include "dt-bindings/clock/microchip,mpfs-clock.h"
spi@20108000 {
compatible = "microchip,mpfs-spi";
reg = <0x20108000 0x1000>;
clocks = <&clkcfg CLK_SPI0>;
interrupt-parent = <&plic>;
interrupts = <54>;
};
...
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