renesas,sh-msiof.yaml

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    1 # SPDX-License-Identifier: GPL-2.0
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/spi/renesas,sh-msiof.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Renesas MSIOF SPI controller
    8 
    9 maintainers:
   10   - Geert Uytterhoeven <geert+renesas@glider.be>
   11 
   12 allOf:
   13   - $ref: spi-controller.yaml#
   14 
   15 properties:
   16   compatible:
   17     oneOf:
   18       - items:
   19           - const: renesas,msiof-sh73a0     # SH-Mobile AG5
   20           - const: renesas,sh-mobile-msiof  # generic SH-Mobile compatible
   21                                             # device
   22       - items:
   23           - enum:
   24               - renesas,msiof-r8a7742       # RZ/G1H
   25               - renesas,msiof-r8a7743       # RZ/G1M
   26               - renesas,msiof-r8a7744       # RZ/G1N
   27               - renesas,msiof-r8a7745       # RZ/G1E
   28               - renesas,msiof-r8a77470      # RZ/G1C
   29               - renesas,msiof-r8a7790       # R-Car H2
   30               - renesas,msiof-r8a7791       # R-Car M2-W
   31               - renesas,msiof-r8a7792       # R-Car V2H
   32               - renesas,msiof-r8a7793       # R-Car M2-N
   33               - renesas,msiof-r8a7794       # R-Car E2
   34           - const: renesas,rcar-gen2-msiof  # generic R-Car Gen2 and RZ/G1
   35                                             # compatible device
   36       - items:
   37           - enum:
   38               - renesas,msiof-r8a774a1      # RZ/G2M
   39               - renesas,msiof-r8a774b1      # RZ/G2N
   40               - renesas,msiof-r8a774c0      # RZ/G2E
   41               - renesas,msiof-r8a774e1      # RZ/G2H
   42               - renesas,msiof-r8a7795       # R-Car H3
   43               - renesas,msiof-r8a7796       # R-Car M3-W
   44               - renesas,msiof-r8a77961      # R-Car M3-W+
   45               - renesas,msiof-r8a77965      # R-Car M3-N
   46               - renesas,msiof-r8a77970      # R-Car V3M
   47               - renesas,msiof-r8a77980      # R-Car V3H
   48               - renesas,msiof-r8a77990      # R-Car E3
   49               - renesas,msiof-r8a77995      # R-Car D3
   50               - renesas,msiof-r8a779a0      # R-Car V3U
   51           - const: renesas,rcar-gen3-msiof  # generic R-Car Gen3 and RZ/G2
   52                                             # compatible device
   53       - items:
   54           - const: renesas,sh-msiof  # deprecated
   55 
   56   reg:
   57     minItems: 1
   58     maxItems: 2
   59     oneOf:
   60       - items:
   61           - description: CPU and DMA engine registers
   62       - items:
   63           - description: CPU registers
   64           - description: DMA engine registers
   65 
   66   interrupts:
   67     maxItems: 1
   68 
   69   clocks:
   70     maxItems: 1
   71 
   72   num-cs:
   73     description: |
   74       Total number of chip selects (default is 1).
   75       Up to 3 native chip selects are supported:
   76         0: MSIOF_SYNC
   77         1: MSIOF_SS1
   78         2: MSIOF_SS2
   79       Hardware limitations related to chip selects:
   80         - Native chip selects are always deasserted in between transfers
   81           that are part of the same message.  Use cs-gpios to work around
   82           this.
   83         - All slaves using native chip selects must use the same spi-cs-high
   84           configuration.  Use cs-gpios to work around this.
   85         - When using GPIO chip selects, at least one native chip select must
   86           be left unused, as it will be driven anyway.
   87     minimum: 1
   88     maximum: 3
   89     default: 1
   90 
   91   dmas:
   92     minItems: 2
   93     maxItems: 4
   94 
   95   dma-names:
   96     minItems: 2
   97     maxItems: 4
   98     items:
   99       enum: [ tx, rx ]
  100 
  101   renesas,dtdl:
  102     description: delay sync signal (setup) in transmit mode.
  103     $ref: /schemas/types.yaml#/definitions/uint32
  104     enum:
  105       - 0        # no bit delay
  106       - 50       # 0.5-clock-cycle delay
  107       - 100      # 1-clock-cycle delay
  108       - 150      # 1.5-clock-cycle delay
  109       - 200      # 2-clock-cycle delay
  110 
  111   renesas,syncdl:
  112     description: delay sync signal (hold) in transmit mode
  113     $ref: /schemas/types.yaml#/definitions/uint32
  114     enum:
  115       - 0        # no bit delay
  116       - 50       # 0.5-clock-cycle delay
  117       - 100      # 1-clock-cycle delay
  118       - 150      # 1.5-clock-cycle delay
  119       - 200      # 2-clock-cycle delay
  120       - 300      # 3-clock-cycle delay
  121 
  122   renesas,tx-fifo-size:
  123     # deprecated for soctype-specific bindings
  124     description: |
  125       Override the default TX fifo size.  Unit is words.  Ignored if 0.
  126     $ref: /schemas/types.yaml#/definitions/uint32
  127     default: 64
  128 
  129   renesas,rx-fifo-size:
  130     # deprecated for soctype-specific bindings
  131     description: |
  132       Override the default RX fifo size.  Unit is words.  Ignored if 0.
  133     $ref: /schemas/types.yaml#/definitions/uint32
  134     default: 64
  135 
  136 required:
  137   - compatible
  138   - reg
  139   - interrupts
  140   - '#address-cells'
  141   - '#size-cells'
  142 
  143 unevaluatedProperties: false
  144 
  145 examples:
  146   - |
  147     #include <dt-bindings/clock/r8a7791-clock.h>
  148     #include <dt-bindings/interrupt-controller/irq.h>
  149 
  150     msiof0: spi@e6e20000 {
  151         compatible = "renesas,msiof-r8a7791", "renesas,rcar-gen2-msiof";
  152         reg = <0xe6e20000 0x0064>;
  153         interrupts = <0 156 IRQ_TYPE_LEVEL_HIGH>;
  154         clocks = <&mstp0_clks R8A7791_CLK_MSIOF0>;
  155         dmas = <&dmac0 0x51>, <&dmac0 0x52>;
  156         dma-names = "tx", "rx";
  157         #address-cells = <1>;
  158         #size-cells = <0>;
  159     };

Cache object: c35db8f53ff5fbbab71f628194313e87

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/spi/renesas,sh-msiof.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/spi/renesas,sh-msiof.yaml