Documentation/devicetree/bindings/spi/ingenic,spi.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/spi/ingenic,spi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Ingenic SoCs SPI controller devicetree bindings
   8
   9 maintainers:
  10   - Artur Rojek <contact@artur-rojek.eu>
  11   - Paul Cercueil <paul@crapouillou.net>
  12
  13 allOf:
  14   - $ref: /schemas/spi/spi-controller.yaml#
  15
  16 properties:
  17   compatible:
  18     oneOf:
  19       - enum:
  20           - ingenic,jz4750-spi
  21           - ingenic,jz4775-spi
  22           - ingenic,jz4780-spi
  23           - ingenic,x1000-spi
  24           - ingenic,x2000-spi
  25       - items:
  26           - enum:
  27               - ingenic,jz4760-spi
  28               - ingenic,jz4770-spi
  29           - const: ingenic,jz4750-spi
  30
  31   reg:
  32     maxItems: 1
  33
  34   interrupts:
  35     maxItems: 1
  36
  37   clocks:
  38     maxItems: 1
  39
  40   dmas:
  41     maxItems: 2
  42     minItems: 2
  43
  44   dma-names:
  45     items:
  46       - const: rx
  47       - const: tx
  48
  49 required:
  50   - compatible
  51   - reg
  52   - interrupts
  53   - clocks
  54   - dmas
  55   - dma-names
  56
  57 unevaluatedProperties: false
  58
  59 examples:
  60   - |
  61     #include <dt-bindings/clock/ingenic,jz4770-cgu.h>
  62     spi@10043000 {
  63       compatible = "ingenic,jz4770-spi", "ingenic,jz4750-spi";
  64       reg = <0x10043000 0x1c>;
  65       #address-cells = <1>;
  66       #size-cells = <0>;
  67
  68       interrupt-parent = <&intc>;
  69       interrupts = <8>;
  70
  71       clocks = <&cgu JZ4770_CLK_SSI0>;
  72
  73       dmas = <&dmac1 23 0xffffffff>, <&dmac1 22 0xffffffff>;
  74       dma-names = "rx", "tx";
  75     };