Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 # Copyright (C) Sunplus Co., Ltd. 2021
   3 %YAML 1.2
   4 ---
   5 $id: http://devicetree.org/schemas/spi/spi-sunplus-sp7021.yaml#
   6 $schema: http://devicetree.org/meta-schemas/core.yaml#
   7
   8 title: Sunplus sp7021 SPI controller
   9
  10 allOf:
  11   - $ref: spi-controller.yaml
  12
  13 maintainers:
  14   - Li-hao Kuo <lhjeff911@gmail.com>
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - sunplus,sp7021-spi
  20
  21   reg:
  22     items:
  23       - description: the SPI master registers
  24       - description: the SPI slave registers
  25
  26   reg-names:
  27     items:
  28       - const: master
  29       - const: slave
  30
  31   interrupt-names:
  32     items:
  33       - const: dma_w
  34       - const: master_risc
  35       - const: slave_risc
  36
  37   interrupts:
  38     minItems: 3
  39
  40   clocks:
  41     maxItems: 1
  42
  43   resets:
  44     maxItems: 1
  45
  46 required:
  47   - compatible
  48   - reg
  49   - reg-names
  50   - interrupts
  51   - interrupt-names
  52   - clocks
  53   - resets
  54   - pinctrl-names
  55   - pinctrl-0
  56
  57 unevaluatedProperties: false
  58
  59 examples:
  60   - |
  61     #include <dt-bindings/interrupt-controller/irq.h>
  62     spi@9c002d80 {
  63         compatible = "sunplus,sp7021-spi";
  64         reg = <0x9c002d80 0x80>, <0x9c002e00 0x80>;
  65         reg-names = "master", "slave";
  66         interrupt-parent = <&intc>;
  67         interrupt-names = "dma_w",
  68                           "master_risc",
  69                           "slave_risc";
  70         interrupts = <144 IRQ_TYPE_LEVEL_HIGH>,
  71                      <146 IRQ_TYPE_LEVEL_HIGH>,
  72                      <145 IRQ_TYPE_LEVEL_HIGH>;
  73         clocks = <&clkc 0x32>;
  74         resets = <&rstc 0x22>;
  75         pinctrl-names = "default";
  76         pinctrl-0 = <&pins_spi0>;
  77     };
  78 ...