On Mon, May 31, 2021 at 11:15:38PM +0900, Nobuhiro Iwamatsu wrote:
> Convert spi for Cadence SPI bindings documentation to YAML.
>
> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/spi/spi-cadence.txt | 30 ---------
> .../devicetree/bindings/spi/spi-cadence.yaml | 63 +++++++++++++++++++
> 2 files changed, 63 insertions(+), 30 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.txt
> create mode 100644 Documentation/devicetree/bindings/spi/spi-cadence.yaml
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.txt b/Documentation/devicetree/bindings/spi/spi-cadence.txt
> deleted file mode 100644
> index 05a2ef945664be..00000000000000
> --- a/Documentation/devicetree/bindings/spi/spi-cadence.txt
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -Cadence SPI controller Device Tree Bindings
> --------------------------------------------
> -
> -Required properties:
> -- compatible : Should be "cdns,spi-r1p6" or "xlnx,zynq-spi-r1p6".
> -- reg : Physical base address and size of SPI registers map.
> -- interrupts : Property with a value describing the interrupt
> - number.
> -- clock-names : List of input clock names - "ref_clk", "pclk"
> - (See clock bindings for details).
> -- clocks : Clock phandles (see clock bindings for details).
> -
> -Optional properties:
> -- num-cs : Number of chip selects used.
> - If a decoder is used, this will be the number of
> - chip selects after the decoder.
> -- is-decoded-cs : Flag to indicate whether decoder is used or not.
> -
> -Example:
> -
> - spi@e0007000 {
> - compatible = "xlnx,zynq-spi-r1p6";
> - clock-names = "ref_clk", "pclk";
> - clocks = <&clkc 26>, <&clkc 35>;
> - interrupt-parent = <&intc>;
> - interrupts = <0 49 4>;
> - num-cs = <4>;
> - is-decoded-cs = <0>;
> - reg = <0xe0007000 0x1000>;
> - } ;
> diff --git a/Documentation/devicetree/bindings/spi/spi-cadence.yaml b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
> new file mode 100644
> index 00000000000000..27a7121ed0f9ae
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-cadence.yaml
> @@ -0,0 +1,63 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cadence SPI controller Device Tree Bindings
> +
> +maintainers:
> + - Michal Simek <michal.simek@xxxxxxxxxx>
> +
> +allOf:
> + - $ref: "spi-controller.yaml#"
> +
> +properties:
> + compatible:
> + enum:
> + - cdns,spi-r1p6
> + - xlnx,zynq-spi-r1p6
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clock-names:
> + items:
> + - const: ref_clk
> + - const: pclk
> +
> + clocks:
> + maxItems: 2
> +
> + num-cs:
> + description: |
> + Number of chip selects used. If a decoder is used,
> + this will be the number of chip selects after the
> + decoder.
> + minimum: 1
> + maximum: 4
> + default: 4
> +
> + is-decoded-cs:
Needs a type ref. Despite being called a 'flag' looks like it's an
uint32. Presumably, it also needs:
enum: [ 0, 1 ]
> + description: |
> + Flag to indicate whether decoder is used or not.
> + default: 0
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + spi@e0007000 {
> + compatible = "xlnx,zynq-spi-r1p6";
> + clock-names = "ref_clk", "pclk";
> + clocks = <&clkc 26>, <&clkc 35>;
> + interrupt-parent = <&intc>;
> + interrupts = <0 49 4>;
> + num-cs = <4>;
> + is-decoded-cs = <0>;
> + reg = <0xe0007000 0x1000>;
> + };
> +...
> --
> 2.30.0
