linux-kernel - Re: [PATCH] dt-bindings: media: Convert stm32 cec bindings to json-schema

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Date:   Fri, 4 Oct 2019 12:07:14 +0000
From:   Benjamin GAIGNARD <benjamin.gaignard@...com>
To:     "mchehab@...nel.org" <mchehab@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        "Yannick FERTRE" <yannick.fertre@...com>,
        "hverkuil-cisco@...all.nl" <hverkuil-cisco@...all.nl>
CC:     "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] dt-bindings: media: Convert stm32 cec bindings to
 json-schema

+ Hans

On 10/2/19 5:14 PM, Benjamin Gaignard wrote:
> Convert the STM32 cec binding to DT schema format using json-schema
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
> ---
>   .../devicetree/bindings/media/st,stm32-cec.txt     | 19 --------
>   .../devicetree/bindings/media/st,stm32-cec.yaml    | 57 ++++++++++++++++++++++
>   2 files changed, 57 insertions(+), 19 deletions(-)
>   delete mode 100644 Documentation/devicetree/bindings/media/st,stm32-cec.txt
>   create mode 100644 Documentation/devicetree/bindings/media/st,stm32-cec.yaml
>
> diff --git a/Documentation/devicetree/bindings/media/st,stm32-cec.txt b/Documentation/devicetree/bindings/media/st,stm32-cec.txt
> deleted file mode 100644
> index 6be2381c180d..000000000000
> --- a/Documentation/devicetree/bindings/media/st,stm32-cec.txt
> +++ /dev/null
> @@ -1,19 +0,0 @@
> -STMicroelectronics STM32 CEC driver
> -
> -Required properties:
> - - compatible : value should be "st,stm32-cec"
> - - reg : Physical base address of the IP registers and length of memory
> -	 mapped region.
> - - clocks : from common clock binding: handle to CEC clocks
> - - clock-names : from common clock binding: must be "cec" and "hdmi-cec".
> - - interrupts : CEC interrupt number to the CPU.
> -
> -Example for stm32f746:
> -
> -cec: cec@...06c00 {
> -	compatible = "st,stm32-cec";
> -	reg = <0x40006C00 0x400>;
> -	interrupts = <94>;
> -	clocks = <&rcc 0 STM32F7_APB1_CLOCK(CEC)>, <&rcc 1 CLK_HDMI_CEC>;
> -	clock-names = "cec", "hdmi-cec";
> -};
> diff --git a/Documentation/devicetree/bindings/media/st,stm32-cec.yaml b/Documentation/devicetree/bindings/media/st,stm32-cec.yaml
> new file mode 100644
> index 000000000000..c99144107185
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/st,stm32-cec.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/st,stm32-cec.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: STMicroelectronics STM32 CEC bindings
> +
> +maintainers:
> +  - Benjamin Gaignard <benjamin.gaignard@...com>
> +  - Yannick Fertre <yannick.fertre@...com>
> +
> +properties:
> +  compatible:
> +    const: st,stm32-cec
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: Module Clock
> +      - description: Bus Clock
> +
> +  clock-names:
> +    items:
> +      - const: cec
> +      - const: hdmi-cec
> +
> +  pinctrl-names: true
> +
> +patternProperties:
> +  "^pinctrl-[0-9]+$": true
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - clock-names
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/stm32mp1-clks.h>
> +    cec: cec@...06c00 {
> +        compatible = "st,stm32-cec";
> +        reg = <0x40006c00 0x400>;
> +        interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&rcc CEC_K>, <&clk_lse>;
> +        clock-names = "cec", "hdmi-cec";
> +    };
> +
> +...