linux-kernel - Re: [PATCH] arm64: dts: s32gxxxa-rdb: add RTC module over I2C0

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Message-ID: <Z/fWNxhtLb7Mz20R@lizhi-Precision-Tower-5810>
Date: Thu, 10 Apr 2025 10:31:19 -0400
From: Frank Li <Frank.li@....com>
To: Ciprian Costea <ciprianmarian.costea@....nxp.com>
Cc: Chester Lin <chester62515@...il.com>,
	Matthias Brugger <mbrugger@...e.com>,
	Ghennadi Procopciuc <ghennadi.procopciuc@....nxp.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, s32@....com, imx@...ts.linux.dev,
	Christophe Lizzi <clizzi@...hat.com>,
	Alberto Ruiz <aruizrui@...hat.com>,
	Enric Balletbo <eballetb@...hat.com>,
	Eric Chanudet <echanude@...hat.com>
Subject: Re: [PATCH] arm64: dts: s32gxxxa-rdb: add RTC module over I2C0

On Thu, Apr 10, 2025 at 04:30:28PM +0300, Ciprian Costea wrote:
> From: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
>
> S32G274A-RDB2 and S32G399A-RDB3 boards have a PCA85073A RTC hardware module
> available and connected over I2C0. Note that the RTC module is not battery
> backed.

Suggested commit message:

arm64: dts: s32gxxxa-rdb: Add PCA85073A RTC module over I2C0

Add support for the PCA85073A RTC module connected via I2C0 on
S32G274A-RDB2 and S32G399A-RDB3 boards.

Note that the RTC module is not battery backed.

Reviewed-by: Frank Li <Frank.Li@....com>

>
> Signed-off-by: Ciprian Marian Costea <ciprianmarian.costea@....nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/s32gxxxa-rdb.dtsi | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/s32gxxxa-rdb.dtsi b/arch/arm64/boot/dts/freescale/s32gxxxa-rdb.dtsi
> index ba53ec622f0b..4587e1cb8835 100644
> --- a/arch/arm64/boot/dts/freescale/s32gxxxa-rdb.dtsi
> +++ b/arch/arm64/boot/dts/freescale/s32gxxxa-rdb.dtsi
> @@ -153,6 +153,11 @@ pcal6524: gpio-expander@22 {
>  		gpio-controller;
>  		#gpio-cells = <2>;
>  	};
> +
> +	pca85073a: rtc@51 {
> +		compatible = "nxp,pca85073a";
> +		reg = <0x51>;
> +	};
>  };
>
>  &i2c2 {
> --
> 2.45.2
>