Commit 7a609bc3 authored by Eddie James's avatar Eddie James Committed by Rob Herring (Arm)
Browse files

dt-bindings: fsi: Document the AST2700 FSI controller 



Add the appropriate compatible string, and document the new reg
properties of the AST2700 FSI controller, which can directly access
the FSI controller registers as well as the FSI link address space.

Signed-off-by: default avatarEddie James <eajames@linux.ibm.com>
Acked-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240522192524.3286237-10-eajames@linux.ibm.com


Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
parent 7767cd04

Documentation/devicetree/bindings/fsi/aspeed,ast2600-fsi-master.yaml

+44 −3
Original line number Diff line number Diff line
@@ -17,9 +17,7 @@ properties: 
  compatible:

    enum:

      - aspeed,ast2600-fsi-master



  reg:

    maxItems: 1

      - aspeed,ast2700-fsi-master



  clocks:

    maxItems: 1
@@ -42,6 +40,30 @@ properties: 
  interrupts:

    maxItems: 1



if:

  properties:

    compatible:

      contains:

        enum:

          - aspeed,ast2600-fsi-master

then:

  properties:

    reg:

      maxItems: 1

else:

  properties:

    reg:

      minItems: 1

      items:

        - description: OPB control registers

        - description: FSI controller registers

        - description: FSI link address space

    reg-names:

      items:

        - const: opb

        - const: ctrl

        - const: fsi



required:

  - compatible

  - reg
@@ -78,3 +100,22 @@ examples: 
            chip-id = <0>;

        };

    };

  - |

    bus {

        #address-cells = <2>;

        #size-cells = <2>;



        fsi-master@21800000 {

            compatible = "aspeed,ast2700-fsi-master";

            reg = <0x0 0x21800000 0x0 0x100>,

                  <0x0 0x21000000 0x0 0x1000>,

                  <0x0 0x20000000 0x0 0x1000000>;

            reg-names = "opb", "ctrl", "fsi";

            #interrupt-cells = <1>;

            interrupt-controller;

            interrupts-extended = <&intc 6>;

            pinctrl-names = "default";

            pinctrl-0 = <&pinctrl_fsi0_default>;

            clocks = <&syscon 40>;

        };

    };