On Mon, May 31, 2021 at 02:21:42PM +0900, Nobuhiro Iwamatsu wrote:
> Convert SPI for Xilinx bindings documentation to YAML schemas.
>
> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@xxxxxxxxxxx>
> ---
> .../devicetree/bindings/spi/spi-xilinx.txt | 23 ---------
> .../devicetree/bindings/spi/spi-xilinx.yaml | 51 +++++++++++++++++++
> 2 files changed, 51 insertions(+), 23 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/spi/spi-xilinx.txt
> create mode 100644 Documentation/devicetree/bindings/spi/spi-xilinx.yaml
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.txt b/Documentation/devicetree/bindings/spi/spi-xilinx.txt
> deleted file mode 100644
> index 5f4ed3e5c9942c..00000000000000
> --- a/Documentation/devicetree/bindings/spi/spi-xilinx.txt
> +++ /dev/null
> @@ -1,23 +0,0 @@
> -Xilinx SPI controller Device Tree Bindings
> --------------------------------------------------
> -
> -Required properties:
> -- compatible : Should be "xlnx,xps-spi-2.00.a", "xlnx,xps-spi-2.00.b" or "xlnx,axi-quad-spi-1.00.a"
> -- reg : Physical base address and size of SPI registers map.
> -- interrupts : Property with a value describing the interrupt
> - number.
> -
> -Optional properties:
> -- xlnx,num-ss-bits : Number of chip selects used.
> -- xlnx,num-transfer-bits : Number of bits per transfer. This will be 8 if not specified
> -
> -Example:
> - axi_quad_spi@41e00000 {
> - compatible = "xlnx,xps-spi-2.00.a";
> - interrupt-parent = <&intc>;
> - interrupts = <0 31 1>;
> - reg = <0x41e00000 0x10000>;
> - xlnx,num-ss-bits = <0x1>;
> - xlnx,num-transfer-bits = <32>;
> - };
> -
> diff --git a/Documentation/devicetree/bindings/spi/spi-xilinx.yaml b/Documentation/devicetree/bindings/spi/spi-xilinx.yaml
> new file mode 100644
> index 00000000000000..17463151b36a02
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/spi-xilinx.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/spi-xilinx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Xilinx SPI controller Device Tree Bindings
> +
> +maintainers:
> + - Michal Simek <michal.simek@xxxxxxxxxx>
> +
> +allOf:
> + - $ref: "spi-controller.yaml#"
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: xlnx,xps-spi-2.00.a
> + - const: xlnx,xps-spi-2.00.b
> + - const: xlnx,axi-quad-spi-1.00.a
Use enum instead of oneOf+const.
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + xlnx,num-ss-bits:
> + description: Number of chip selects used.
Constraints? 0-2^32 is good?
> +
> + xlnx,num-transfer-bits:
> + description: Number of bits per transfer. This will be 8 if not specified.
Constraints?
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + spi0: spi@41e00000 {
> + compatible = "xlnx,xps-spi-2.00.a";
> + interrupt-parent = <&intc>;
> + interrupts = <0 31 1>;
> + reg = <0x41e00000 0x10000>;
> + xlnx,num-ss-bits = <0x1>;
> + xlnx,num-transfer-bits = <32>;
> + };
> +...
> --
> 2.30.0
