linux-kernel - Re: [PATCH 4/6] dt-bindings: iio: adc: Add the binding documentation for NXP IMX8QXP ADC

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Date:   Sun, 5 Sep 2021 12:55:27 +0100
From:   Jonathan Cameron <jic23@...nel.org>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     <lars@...afoo.de>, <robh+dt@...nel.org>, <shawnguo@...nel.org>,
        <s.hauer@...gutronix.de>, <kernel@...gutronix.de>,
        <festevam@...il.com>, <linux-imx@....com>,
        <alex.dewar90@...il.com>, <linux-iio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/6] dt-bindings: iio: adc: Add the binding
 documentation for NXP IMX8QXP ADC

On Tue, 31 Aug 2021 01:21:38 +0800
Cai Huoqing <caihuoqing@...du.com> wrote:

> The NXP i.MX 8QuadXPlus SOC has a new ADC IP, so add the binding
> documentation for NXP IMX8QXP ADC
> 
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
> ---
>  .../bindings/iio/adc/nxp,imx8qxp-adc.yaml     | 85 +++++++++++++++++++
>  1 file changed, 85 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
> new file mode 100644
> index 000000000000..542329e6a785
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx8qxp-adc.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/adc/nxp,imx8qxp-adc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: NXP IMX8QXP ADC bindings
> +
> +maintainers:
> +  - Cai Huoqing <caihuoqing@...du.com>
> +
> +description:
> +  Supports the ADC found on the IMX8QXP SoC.
> +
> +properties:
> +  compatible:
> +    const: nxp,imx8qxp-adc
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 2
> +
> +  clock-names:
> +    items:
> +      - const: per
> +      - const: ipg
> +
> +  assigned-clocks:
> +    maxItems: 1
> +
> +  assigned-clocks-rate:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  status:
> +    const: disable
> +
> +  "#io-channel-cells":
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupts-parent
> +  - clocks
> +  - clock-names
> +  - assigned-clocks
> +  - assigned-clock-rates
> +  - power-domains
> +  - state
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/firmware/imx/rsrc.h>
> +    soc {
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +	 adc@...80000 {
Clearly some indentation issues here.
> +            compatible = "nxp,imx8qxp-adc";
> +            reg = <0x0 0x5a880000 0x0 0x10000>;
> +            interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>;
> +            clocks = <&clk IMX_SC_R_ADC_0>,
> +                     <&clk IMX_ADMA_LPCG_ADC_0_IPG_CLK>;
> +            clock-names = "per", "ipg";
> +            assigned-clocks = <&clk IMX_SC_R_ADC_0>;
> +            assigned-clock-rates = <24000000>;
> +            power-domains = <&pm, IMX_SC_R_ADC_0>;
> +            status = "disabled";

Don't mark the example disabled.

> +            #io-channel-cells = <1>
> +	 };
> +    };
> +...