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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renesas,rspi.yaml (3884B)

      1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
      2%YAML 1.2
      3---
      4$id: http://devicetree.org/schemas/spi/renesas,rspi.yaml#
      5$schema: http://devicetree.org/meta-schemas/core.yaml#
      6
      7title: Renesas (Quad) Serial Peripheral Interface (RSPI/QSPI)
      8
      9maintainers:
     10  - Geert Uytterhoeven <geert+renesas@glider.be>
     11
     12properties:
     13  compatible:
     14    oneOf:
     15      - items:
     16          - enum:
     17              - renesas,rspi-sh7757    # SH7757
     18          - const: renesas,rspi        # Legacy SH
     19
     20      - items:
     21          - enum:
     22              - renesas,rspi-r7s72100  # RZ/A1H
     23              - renesas,rspi-r7s9210   # RZ/A2
     24              - renesas,r9a07g043-rspi # RZ/G2UL
     25              - renesas,r9a07g044-rspi # RZ/G2{L,LC}
     26              - renesas,r9a07g054-rspi # RZ/V2L
     27          - const: renesas,rspi-rz
     28
     29      - items:
     30          - enum:
     31              - renesas,qspi-r8a7742   # RZ/G1H
     32              - renesas,qspi-r8a7743   # RZ/G1M
     33              - renesas,qspi-r8a7744   # RZ/G1N
     34              - renesas,qspi-r8a7745   # RZ/G1E
     35              - renesas,qspi-r8a77470  # RZ/G1C
     36              - renesas,qspi-r8a7790   # R-Car H2
     37              - renesas,qspi-r8a7791   # R-Car M2-W
     38              - renesas,qspi-r8a7792   # R-Car V2H
     39              - renesas,qspi-r8a7793   # R-Car M2-N
     40              - renesas,qspi-r8a7794   # R-Car E2
     41          - const: renesas,qspi        # R-Car Gen2 and RZ/G1
     42
     43  reg:
     44    maxItems: 1
     45
     46  interrupts:
     47    oneOf:
     48      - items:
     49          - description: A combined interrupt
     50      - items:
     51          - description: Error interrupt (SPEI)
     52          - description: Receive Interrupt (SPRI)
     53          - description: Transmit Interrupt (SPTI)
     54
     55  interrupt-names:
     56    oneOf:
     57      - items:
     58          - const: mux
     59      - items:
     60          - const: error
     61          - const: rx
     62          - const: tx
     63
     64  clocks:
     65    maxItems: 1
     66
     67  power-domains:
     68    maxItems: 1
     69
     70  resets:
     71    maxItems: 1
     72
     73  dmas:
     74    minItems: 2
     75    maxItems: 4
     76    description:
     77      Must contain a list of pairs of references to DMA specifiers, one for
     78      transmission, and one for reception.
     79
     80  dma-names:
     81    minItems: 2
     82    maxItems: 4
     83    items:
     84      enum:
     85        - tx
     86        - rx
     87
     88  num-cs:
     89    description: |
     90      Total number of native chip selects.
     91      Hardware limitations related to chip selects:
     92        - When using GPIO chip selects, at least one native chip select must
     93          be left unused, as it will be driven anyway.
     94    minimum: 1
     95    maximum: 2
     96    default: 1
     97
     98required:
     99  - compatible
    100  - reg
    101  - interrupts
    102  - clocks
    103  - power-domains
    104  - '#address-cells'
    105  - '#size-cells'
    106
    107allOf:
    108  - $ref: spi-controller.yaml#
    109  - if:
    110      properties:
    111        compatible:
    112          contains:
    113            enum:
    114              - renesas,rspi-rz
    115    then:
    116      properties:
    117        interrupts:
    118          minItems: 3
    119      required:
    120        - interrupt-names
    121
    122  - if:
    123      properties:
    124        compatible:
    125          contains:
    126            enum:
    127              - renesas,qspi
    128              - renesas,r9a07g043-rspi
    129              - renesas,r9a07g044-rspi
    130              - renesas,r9a07g054-rspi
    131    then:
    132      required:
    133        - resets
    134
    135unevaluatedProperties: false
    136
    137examples:
    138  - |
    139    #include <dt-bindings/clock/r8a7791-cpg-mssr.h>
    140    #include <dt-bindings/interrupt-controller/arm-gic.h>
    141    #include <dt-bindings/power/r8a7791-sysc.h>
    142
    143    qspi: spi@e6b10000 {
    144            compatible = "renesas,qspi-r8a7791", "renesas,qspi";
    145            reg = <0xe6b10000 0x2c>;
    146            interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
    147            clocks = <&cpg CPG_MOD 917>;
    148            dmas = <&dmac0 0x17>, <&dmac0 0x18>, <&dmac1 0x17>, <&dmac1 0x18>;
    149            dma-names = "tx", "rx", "tx", "rx";
    150            power-domains = <&sysc R8A7791_PD_ALWAYS_ON>;
    151            resets = <&cpg 917>;
    152            num-cs = <1>;
    153            #address-cells = <1>;
    154            #size-cells = <0>;
    155    };