xref: /freebsd/sys/contrib/device-tree/Bindings/mtd/fsl,vf610-nfc.yaml (revision ae5de77ed78ae54d86cead5604869212e8008e6b)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mtd/fsl,vf610-nfc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Freescale's NAND flash controller (NFC)

description:
  This variant of the Freescale NAND flash controller (NFC) can be found on
  Vybrid (vf610), MPC5125, MCF54418 and Kinetis K70.

maintainers:
  - Frank Li <Frank.Li@nxp.com>

properties:
  compatible:
    enum:
      - fsl,vf610-nfc

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: nfc

patternProperties:
  "^nand@[a-f0-9]$":
    type: object
    $ref: raw-nand-chip.yaml

    properties:
      compatible:
        const: fsl,vf610-nfc-nandcs

      reg:
        const: 0

      nand-ecc-strength:
        enum: [24, 32]

      nand-ecc-step-size:
        const: 2048

    unevaluatedProperties: false

required:
  - compatible
  - reg
  - interrupts

allOf:
  - $ref: nand-controller.yaml

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/vf610-clock.h>

    nand-controller@400e0000 {
        compatible = "fsl,vf610-nfc";
        reg = <0x400e0000 0x4000>;
        #address-cells = <1>;
        #size-cells = <0>;
        interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&clks VF610_CLK_NFC>;
        clock-names = "nfc";
        assigned-clocks = <&clks VF610_CLK_NFC>;
        assigned-clock-rates = <33000000>;

        nand@0 {
            compatible = "fsl,vf610-nfc-nandcs";
            reg = <0>;
            nand-bus-width = <8>;
            nand-ecc-mode = "hw";
            nand-ecc-strength = <32>;
            nand-ecc-step-size = <2048>;
            nand-on-flash-bbt;
        };
    };