# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/microchip,pic32mzda-spi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Microchip PIC32MZDA SPI Controller

maintainers:
  - Thomas Bogendoerfer <tsbogend@alpha.franken.de>

allOf:
  - $ref: spi-controller.yaml#

properties:
  compatible:
    const: microchip,pic32mzda-spi

  reg:
    maxItems: 1

  interrupts:
    items:
      - description: Fault interrupt
      - description: Receive interrupt
      - description: Transmit interrupt

  interrupt-names:
    items:
      - const: fault
      - const: rx
      - const: tx

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: mck0

  cs-gpios:
    maxItems: 1

  dmas:
    items:
      - description: RX DMA channel
      - description: TX DMA channel

  dma-names:
    items:
      - const: spi-rx
      - const: spi-tx

required:
  - compatible
  - reg
  - interrupts
  - interrupt-names
  - clocks
  - clock-names
  - cs-gpios

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/gpio/gpio.h>

    spi@1f821000 {
        compatible = "microchip,pic32mzda-spi";
        reg = <0x1f821000 0x200>;
        interrupts = <109 IRQ_TYPE_LEVEL_HIGH>,
                     <110 IRQ_TYPE_LEVEL_HIGH>,
                     <111 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-names = "fault", "rx", "tx";
        clocks = <&PBCLK2>;
        clock-names = "mck0";
        cs-gpios = <&gpio3 4 GPIO_ACTIVE_LOW>;
        dmas = <&dma 134>, <&dma 135>;
        dma-names = "spi-rx", "spi-tx";
    };