cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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spi-sifive.yaml (2198B)


      1# SPDX-License-Identifier: GPL-2.0
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/spi/spi-sifive.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: SiFive SPI controller
      8
      9maintainers:
     10  - Pragnesh Patel <pragnesh.patel@sifive.com>
     11  - Paul Walmsley  <paul.walmsley@sifive.com>
     12  - Palmer Dabbelt <palmer@sifive.com>
     13
     14allOf:
     15  - $ref: "spi-controller.yaml#"
     16
     17properties:
     18  compatible:
     19    items:
     20      - enum:
     21          - sifive,fu540-c000-spi
     22          - sifive,fu740-c000-spi
     23      - const: sifive,spi0
     24
     25    description:
     26      Should be "sifive,<chip>-spi" and "sifive,spi<version>".
     27      Supported compatible strings are -
     28      "sifive,fu540-c000-spi" and "sifive,fu740-c000-spi" for the SiFive SPI v0
     29      as integrated onto the SiFive FU540 and FU740 chip resp, and "sifive,spi0"
     30      for the SiFive SPI v0 IP block with no chip integration tweaks.
     31      Please refer to sifive-blocks-ip-versioning.txt for details
     32
     33      SPI RTL that corresponds to the IP block version numbers can be found here -
     34      https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/spi
     35
     36  reg:
     37    minItems: 1
     38    items:
     39      - description: SPI registers region
     40      - description: Memory mapped flash region
     41
     42  interrupts:
     43    maxItems: 1
     44
     45  clocks:
     46    maxItems: 1
     47
     48    description:
     49      Must reference the frequency given to the controller
     50
     51  sifive,fifo-depth:
     52    description:
     53      Depth of hardware queues; defaults to 8
     54    $ref: "/schemas/types.yaml#/definitions/uint32"
     55    enum: [8]
     56    default: 8
     57
     58  sifive,max-bits-per-word:
     59    description:
     60      Maximum bits per word; defaults to 8
     61    $ref: "/schemas/types.yaml#/definitions/uint32"
     62    enum: [0, 1, 2, 3, 4, 5, 6, 7, 8]
     63    default: 8
     64
     65required:
     66  - compatible
     67  - reg
     68  - interrupts
     69  - clocks
     70
     71unevaluatedProperties: false
     72
     73examples:
     74  - |
     75    spi: spi@10040000 {
     76      compatible = "sifive,fu540-c000-spi", "sifive,spi0";
     77      reg = <0x10040000 0x1000>, <0x20000000 0x10000000>;
     78      interrupt-parent = <&plic>;
     79      interrupts = <51>;
     80      clocks = <&tlclk>;
     81      #address-cells = <1>;
     82      #size-cells = <0>;
     83      sifive,fifo-depth = <8>;
     84      sifive,max-bits-per-word = <8>;
     85    };
     86
     87...