allwinner,sun4i-a10-spi.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/spi/allwinner,sun4i-a10-spi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Allwinner A10 SPI Controller
   8
   9 allOf:
  10   - $ref: spi-controller.yaml
  11
  12 maintainers:
  13   - Chen-Yu Tsai <wens@csie.org>
  14   - Maxime Ripard <mripard@kernel.org>
  15
  16 properties:
  17   compatible:
  18     const: allwinner,sun4i-a10-spi
  19
  20   reg:
  21     maxItems: 1
  22
  23   interrupts:
  24     maxItems: 1
  25
  26   clocks:
  27     items:
  28       - description: Bus Clock
  29       - description: Module Clock
  30
  31   clock-names:
  32     items:
  33       - const: ahb
  34       - const: mod
  35
  36   dmas:
  37     items:
  38       - description: RX DMA Channel
  39       - description: TX DMA Channel
  40
  41   dma-names:
  42     items:
  43       - const: rx
  44       - const: tx
  45
  46 patternProperties:
  47   "^.*@[0-9a-f]+":
  48     type: object
  49     additionalProperties: true
  50
  51     properties:
  52       reg:
  53         items:
  54           minimum: 0
  55           maximum: 4
  56
  57       spi-rx-bus-width:
  58         const: 1
  59
  60       spi-tx-bus-width:
  61         const: 1
  62
  63 required:
  64   - compatible
  65   - reg
  66   - interrupts
  67   - clocks
  68   - clock-names
  69
  70 unevaluatedProperties: false
  71
  72 examples:
  73   - |
  74     spi1: spi@1c06000 {
  75         compatible = "allwinner,sun4i-a10-spi";
  76         reg = <0x01c06000 0x1000>;
  77         interrupts = <11>;
  78         clocks = <&ahb_gates 21>, <&spi1_clk>;
  79         clock-names = "ahb", "mod";
  80         #address-cells = <1>;
  81         #size-cells = <0>;
  82     };
  83
  84 ...