Unverified Commit ee2ecf2c authored by Mark Brown's avatar Mark Brown
Browse files

spi: dt-bindings: cdns,qspi-nor: Improve 

Merge series from Miquel Raynal <miquel.raynal@bootlin.com>:

While working with this controller I figured out a couple of small
issues which I propose to fix. They are not super impacting, but I
believe this goes into the right direction.
parents ad448884 50605d2e

Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml

+23 −2
Original line number Diff line number Diff line
@@ -4,7 +4,7 @@ 
$id: http://devicetree.org/schemas/spi/cdns,qspi-nor.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Cadence Quad SPI controller

title: Cadence Quad/Octal SPI controller



maintainers:

  - Vaishnav Achath <vaishnav.a@ti.com>
@@ -76,8 +76,12 @@ properties: 
              - ti,am654-ospi

              - ti,k2g-qspi

              - xlnx,versal-ospi-1.0

          # The compatible is qspi-nor for historical reasons but such

          # controllers are meant to be used with flashes of all kinds,

          # ie. also NAND flashes, not only NOR flashes.

          - const: cdns,qspi-nor

      - const: cdns,qspi-nor

        deprecated: true



  reg:

    items:
@@ -142,6 +146,18 @@ properties: 
    items:

      enum: [ qspi, qspi-ocp, rstc_ref ]



patternProperties:

  "^flash@[0-9a-f]+$":

    type: object

    $ref: cdns,qspi-nor-peripheral-props.yaml

    additionalProperties: true

    required:

      - cdns,read-delay

      - cdns,tshsl-ns

      - cdns,tsd2d-ns

      - cdns,tchsh-ns

      - cdns,tslch-ns



required:

  - compatible

  - reg
@@ -157,7 +173,7 @@ unevaluatedProperties: false 
examples:

  - |

    qspi: spi@ff705000 {

        compatible = "cdns,qspi-nor";

        compatible = "intel,socfpga-qspi", "cdns,qspi-nor";

        #address-cells = <1>;

        #size-cells = <0>;

        reg = <0xff705000 0x1000>,
@@ -173,5 +189,10 @@ examples: 
        flash@0 {

            compatible = "jedec,spi-nor";

            reg = <0x0>;

            cdns,read-delay = <4>;

            cdns,tshsl-ns = <60>;

            cdns,tsd2d-ns = <60>;

            cdns,tchsh-ns = <60>;

            cdns,tslch-ns = <60>;

        };

    };