linux-kernel - Re: [PATCH v2 4/5] arm64: dts: fsd: Add codec node for Tesla FSD

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Message-ID: <b3ec1abe-7fb4-0c12-33b6-9f4e8d03f8b2@linaro.org>
Date:   Tue, 3 Jan 2023 12:11:00 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Padmanabhan Rajanbabu <p.rajanbabu@...sung.com>,
        lgirdwood@...il.com, broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, s.nawrocki@...sung.com,
        perex@...ex.cz, tiwai@...e.com, pankaj.dubey@...sung.com,
        alim.akhtar@...sung.com, rcsekar@...sung.com,
        aswani.reddy@...sung.com
Cc:     alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v2 4/5] arm64: dts: fsd: Add codec node for Tesla FSD

On 03/01/2023 05:56, Padmanabhan Rajanbabu wrote:
> Add device tree node support for codec on Tesla FSD platform.
> 
> Signed-off-by: Padmanabhan Rajanbabu <p.rajanbabu@...sung.com>
> ---
>  arch/arm64/boot/dts/tesla/fsd-evb.dts | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> index cf5f2ce4d2a7..e2fd49774f15 100644
> --- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
> +++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
> @@ -10,6 +10,7 @@
>  
>  /dts-v1/;
>  #include "fsd.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
>  
>  / {
>  	model = "Tesla Full Self-Driving (FSD) Evaluation board";
> @@ -34,6 +35,18 @@
>  	clock-frequency = <24000000>;
>  };
>  
> +&hsi2c_5 {
> +	status = "okay";
> +
> +	tlv320aic3x: codec@18 {
> +		#sound-dai-cells = <0>;
> +		compatible = "ti,tlv320aic3104";
> +		reg = <0x18>;

First compatible, then reg, then the rest.

> +		reset-gpios = <&gpg1 6 GPIO_ACTIVE_LOW>;
> +		status = "okay";

It's by default. Why do you need it?

Best regards,
Krzysztof