RE: [PATCH 1/3] dt-bindings: timer: Convert i.MX GPT to json-schema

From: Anson Huang
Date: Mon May 18 2020 - 23:03:31 EST




> Subject: RE: [PATCH 1/3] dt-bindings: timer: Convert i.MX GPT to json-schema
>
> > From: Anson Huang <Anson.Huang@xxxxxxx>
> > Sent: Monday, May 18, 2020 10:48 PM
> >
> > Convert the i.MX GPT binding to DT schema format using json-schema.
> >
> > Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> > ---
> > .../devicetree/bindings/timer/fsl,imxgpt.txt | 45 ---------
> > .../devicetree/bindings/timer/fsl,imxgpt.yaml | 109
> > +++++++++++++++++++++
> > 2 files changed, 109 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..5c7186b
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/timer/fsl,imxgpt.yaml
> > @@ -0,0 +1,109 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) %YAML 1.2
> > +---
> > +
> > +title: Freescale i.MX General Purpose Timer (GPT)
> > +
> > +maintainers:
> > + - Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> > +
> > +properties:
> > + compatible:
> > + oneOf:
> > + - description: on i.MX1 the following compatible must be
> > +specified
>
> Such a description seems not necessary in order to make the doc more clean

You meant the description is NOT necessary for those simple compatible string platforms or for
all platforms, I feel like having the description is more clear for users.

Anson