linux-kernel - Re: [PATCH v1 08/10] dt-bindings: dsp: add Fortemedia FM34 DSP

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Message-ID: <20230226194251.GA192429-robh@kernel.org>
Date:   Sun, 26 Feb 2023 13:42:51 -0600
From:   Rob Herring <robh@...nel.org>
To:     Svyatoslav Ryhel <clamor95@...il.com>
Cc:     Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Maxim Schwalm <maxim.schwalm@...il.com>,
        Dmitry Osipenko <digetx@...il.com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
        linux-tegra@...r.kernel.org, linux-staging@...ts.linux.dev
Subject: Re: [PATCH v1 08/10] dt-bindings: dsp: add Fortemedia FM34 DSP

On Tue, Feb 21, 2023 at 08:32:09PM +0200, Svyatoslav Ryhel wrote:
> Add dt-binding for Fortemedia FM34NE DSP.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> ---
>  .../bindings/dsp/fortemedia,dsp.yaml          | 95 +++++++++++++++++++
>  1 file changed, 95 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/dsp/fortemedia,dsp.yaml
> 
> diff --git a/Documentation/devicetree/bindings/dsp/fortemedia,dsp.yaml b/Documentation/devicetree/bindings/dsp/fortemedia,dsp.yaml
> new file mode 100644
> index 000000000000..78f30969d9bf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dsp/fortemedia,dsp.yaml
> @@ -0,0 +1,95 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/dsp/fortemedia,dsp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Fortemedia DSP core
> +
> +maintainers:
> +  - Svyatoslav Ryhel <clamor95@...il.com>
> +
> +description: |

Don't need '|'

> +  Asus Transformer T20/T30 tablet family contains a DSP core
> +  used for advanced noise cancellation.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - asus,tf101-dsp
> +          - asus,tf201-dsp
> +          - asus,tf300t-dsp
> +          - asus,tf700t-dsp
> +          - pegatron,chagall-dsp
> +

Drop blank line.

> +      - const: fortemedia,fm34
> +
> +  reg:
> +    maxItems: 1
> +
> +  bypass-gpios:

Needs a description what this is.

> +    maxItems: 1
> +
> +  reset-gpios:
> +    maxItems: 1
> +
> +  vdd-supply: true
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: mclk
> +
> +  assigned-clocks:
> +    maxItems: 1
> +
> +  assigned-clock-parents:
> +    maxItems: 1
> +
> +  assigned-clock-rates:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - vdd-supply
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/tegra30-car.h>
> +    #include <dt-bindings/soc/tegra-pmc.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        dsp@60 {
> +            compatible = "asus,tf201-dsp", "fortemedia,fm34";
> +            reg = <0x60>;
> +
> +            bypass-gpios = <&gpio 222 0>;
> +            reset-gpios = <&gpio 115 1>;
> +
> +            vdd-supply = <&vdd_1v8_dsp>;
> +
> +            clocks = <&tegra_pmc TEGRA_PMC_CLK_OUT_1>;
> +            clock-names = "mclk";
> +
> +            assigned-clocks = <&tegra_pmc TEGRA_PMC_CLK_OUT_1>;
> +            assigned-clock-parents = <&tegra_car TEGRA30_CLK_EXTERN1>;
> +        };
> +    };
> +
> +    vdd_1v8_dsp: regulator-dsp {
> +        compatible = "regulator-fixed";
> +        regulator-name = "vdd_1v8_dsp";
> +        regulator-min-microvolt = <1800000>;
> +        regulator-max-microvolt = <1800000>;
> +        gpio = <&gpio 165 0>;
> +        enable-active-high;
> +    };

Drop this node. No need to show providers in consumer examples.

Rob