On Tue, May 19, 2020 at 11:55:45AM +0800, Anson Huang wrote:
> Convert the i.MX GPT binding to DT schema format using json-schema.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> Changes since V1:
> - remove unnecessary compatible item descriptions;
> - remove unnecessary maxItems for clocks/clock-names;
> ---
> .../devicetree/bindings/timer/fsl,imxgpt.txt | 45 ------------
> .../devicetree/bindings/timer/fsl,imxgpt.yaml | 80 ++++++++++++++++++++++
> 2 files changed, 80 insertions(+), 45 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
> create mode 100644 Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml
>
> diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt b/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
> deleted file mode 100644
> index 5d8fd5b..0000000
> --- a/Documentation/devicetree/bindings/timer/fsl,imxgpt.txt
> +++ /dev/null
> @@ -1,45 +0,0 @@
> -Freescale i.MX General Purpose Timer (GPT)
> -
> -Required properties:
> -
> -- compatible : should be one of following:
> - for i.MX1:
> - - "fsl,imx1-gpt";
> - for i.MX21:
> - - "fsl,imx21-gpt";
> - for i.MX27:
> - - "fsl,imx27-gpt", "fsl,imx21-gpt";
> - for i.MX31:
> - - "fsl,imx31-gpt";
> - for i.MX25:
> - - "fsl,imx25-gpt", "fsl,imx31-gpt";
> - for i.MX50:
> - - "fsl,imx50-gpt", "fsl,imx31-gpt";
> - for i.MX51:
> - - "fsl,imx51-gpt", "fsl,imx31-gpt";
> - for i.MX53:
> - - "fsl,imx53-gpt", "fsl,imx31-gpt";
> - for i.MX6Q:
> - - "fsl,imx6q-gpt", "fsl,imx31-gpt";
> - for i.MX6DL:
> - - "fsl,imx6dl-gpt";
> - for i.MX6SL:
> - - "fsl,imx6sl-gpt", "fsl,imx6dl-gpt";
> - for i.MX6SX:
> - - "fsl,imx6sx-gpt", "fsl,imx6dl-gpt";
> -- reg : specifies base physical address and size of the registers.
> -- interrupts : should be the gpt interrupt.
> -- clocks : the clocks provided by the SoC to drive the timer, must contain
> - an entry for each entry in clock-names.
> -- clock-names : must include "ipg" entry first, then "per" entry.
> -
> -Example:
> -
> -gpt1: timer@10003000 {
> - compatible = "fsl,imx27-gpt", "fsl,imx21-gpt";
> - reg = <0x10003000 0x1000>;
> - interrupts = <26>;
> - clocks = <&clks IMX27_CLK_GPT1_IPG_GATE>,
> - <&clks IMX27_CLK_PER1_GATE>;
> - clock-names = "ipg", "per";
> -};
> diff --git a/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml
> new file mode 100644
> index 0000000..5479290
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/timer/fsl,imxgpt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale i.MX General Purpose Timer (GPT)
> +
> +maintainers:
> + - Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: "fsl,imx1-gpt"
> + - const: "fsl,imx21-gpt"
> + - items:
> + - const: "fsl,imx27-gpt"
> + - const: "fsl,imx21-gpt"
> + - const: "fsl,imx31-gpt"
> + - items:
> + - const: "fsl,imx25-gpt"
> + - const: "fsl,imx31-gpt"
> + - items:
> + - const: "fsl,imx50-gpt"
> + - const: "fsl,imx31-gpt"
> + - items:
> + - const: "fsl,imx51-gpt"
> + - const: "fsl,imx31-gpt"
> + - items:
> + - const: "fsl,imx53-gpt"
> + - const: "fsl,imx31-gpt"
> + - items:
> + - const: "fsl,imx6q-gpt"
> + - const: "fsl,imx31-gpt"
> + - const: "fsl,imx6dl-gpt"
> + - items:
> + - const: "fsl,imx6sl-gpt"
> + - const: "fsl,imx6dl-gpt"
> + - items:
> + - const: "fsl,imx6sx-gpt"
> + - const: "fsl,imx6dl-gpt"
Don't need quotes.
Group all the ones with the same fallback to a single 'items' list
using enum for the first entry.
Rob
