On Thu, Jun 04, 2020 at 09:55:29AM +0800, Anson Huang wrote:
> Convert the MXS SPI binding to DT schema format using json-schema
>
> Signed-off-by: Anson Huang <anson.hu...@nxp.com>
> ---
> Changes since V1:
> - add "unevaluatedProperties: false".
> ---
> Documentation/devicetree/bindings/spi/mxs-spi.txt | 26 ----------
> Documentation/devicetree/bindings/spi/mxs-spi.yaml | 57
> ++++++++++++++++++++++
> 2 files changed, 57 insertions(+), 26 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.txt
> create mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.yaml
>
> diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txt
> b/Documentation/devicetree/bindings/spi/mxs-spi.txt
> deleted file mode 100644
> index 3499b73..0000000
> --- a/Documentation/devicetree/bindings/spi/mxs-spi.txt
> +++ /dev/null
> @@ -1,26 +0,0 @@
> -* Freescale MX233/MX28 SSP/SPI
> -
> -Required properties:
> -- compatible: Should be "fsl,<soc>-spi", where soc is "imx23" or "imx28"
> -- reg: Offset and length of the register set for the device
> -- interrupts: Should contain SSP ERROR interrupt
> -- dmas: DMA specifier, consisting of a phandle to DMA controller node
> - and SSP DMA channel ID.
> - Refer to dma.txt and fsl-mxs-dma.txt for details.
> -- dma-names: Must be "rx-tx".
> -
> -Optional properties:
> -- clock-frequency : Input clock frequency to the SPI block in Hz.
> - Default is 160000000 Hz.
> -
> -Example:
> -
> -ssp0: ssp@80010000 {
> - #address-cells = <1>;
> - #size-cells = <0>;
> - compatible = "fsl,imx28-spi";
> - reg = <0x80010000 0x2000>;
> - interrupts = <96>;
> - dmas = <&dma_apbh 0>;
> - dma-names = "rx-tx";
> -};
> diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.yaml
> b/Documentation/devicetree/bindings/spi/mxs-spi.yaml
> new file mode 100644
> index 0000000..68c5d6d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/spi/mxs-spi.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/spi/mxs-spi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale MX233/MX28 SSP/SPI
> +
> +maintainers:
> + - Marek Vasut <ma...@denx.de>
> +
> +allOf:
> + - $ref: "/schemas/spi/spi-controller.yaml#"
> +
> +properties:
> + compatible:
> + enum:
> + - fsl,imx23-spi
> + - fsl,imx28-spi
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + dmas:
> + maxItems: 1
> +
> + dma-names:
> + const: rx-tx
> +
> + clock-frequency:
> + $ref: /schemas/types.yaml#/definitions/uint32
Already has a type, drop.
With that,
Reviewed-by: Rob Herring <r...@kernel.org>
> + description: input clock frequency to the SPI block in Hz.
> + default: 160000000
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - dmas
> + - dma-names
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + spi@80010000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "fsl,imx28-spi";
> + reg = <0x80010000 0x2000>;
> + interrupts = <96>;
> + dmas = <&dma_apbh 0>;
> + dma-names = "rx-tx";
> + };
> --
> 2.7.4
>
