Documentation/devicetree/bindings/spi/ibm,spi-fsi.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/spi/ibm,spi-fsi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: IBM FSI-attached SPI Controller
   8
   9 maintainers:
  10   - Eddie James <eajames@linux.ibm.com>
  11
  12 description:
  13   A SPI controller found on IBM Power processors, accessed over FSI from a
  14   service processor. This node will always be a child node of an ibm,fsi2spi
  15   node.
  16
  17 properties:
  18   compatible:
  19     enum:
  20       - ibm,spi-fsi
  21
  22   reg:
  23     maxItems: 1
  24
  25 required:
  26   - compatible
  27   - reg
  28
  29 allOf:
  30   - $ref: spi-controller.yaml#
  31
  32 unevaluatedProperties: false
  33
  34 examples:
  35   - |
  36     fsi {
  37         #address-cells = <1>;
  38         #size-cells = <0>;
  39
  40         spi@0 {
  41             compatible = "ibm,spi-fsi";
  42             reg = <0>;
  43             #address-cells = <1>;
  44             #size-cells = <0>;
  45
  46             eeprom@0 {
  47                 compatible = "atmel,at25";
  48                 reg = <0>;
  49                 size = <0x80000>;
  50                 address-width = <24>;
  51                 pagesize = <256>;
  52                 spi-max-frequency = <1000000>;
  53             };
  54         };
  55     };