linux-kernel - Re: [PATCH 1/1] arm64: dts: imx93: add lpi2c1 and child node

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Message-ID: <944715e8-e91e-46dd-a053-7e00a17dea72@kernel.org>
Date: Fri, 2 Aug 2024 09:25:54 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Frank Li <Frank.Li@....com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>,
 "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
 <devicetree@...r.kernel.org>,
 "open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" <imx@...ts.linux.dev>,
 "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
 <linux-arm-kernel@...ts.infradead.org>,
 open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] arm64: dts: imx93: add lpi2c1 and child node

On 01/08/2024 18:09, Frank Li wrote:
> From: Clark Wang <xiaoning.wang@....com>
> 
> Add lpi2c1 and child node for imx93-11x11-evk board.

Why? What for? What are these? We see all this from the diff, so commit
msg should explain why and what do you want to achieve.

> 
> Signed-off-by: Clark Wang <xiaoning.wang@....com>
> Reviewed-by: Haibo Chen <haibo.chen@....com>
> Signed-off-by: Li Yang <leoyang.li@....com>
> Signed-off-by: Dong Aisheng <aisheng.dong@....com>
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  .../boot/dts/freescale/imx93-11x11-evk.dts    | 21 +++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> index a15987f49e8d6..dd387b820831a 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> @@ -145,6 +145,20 @@ ethphy2: ethernet-phy@2 {
>  	};
>  };
>  
> +&lpi2c1 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	clock-frequency = <400000>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_lpi2c1>;
> +	status = "okay";
> +
> +	lsm6dsm@6a {

Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation




Best regards,
Krzysztof