linux-kernel - Re: [PATCH 3/3] ARM: dts: imx: imx50-kobo-aura: add description for battery

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aVFwXWkPPW_kya-h@probook>
Date: Sun, 28 Dec 2025 19:01:01 +0100
From: J. Neuschäfer <j.neuschaefer@....net>
To: Josua Mayer <josua.mayer@....eu>
Cc: j.neuschaefer@....net, Lee Jones <lee@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sebastian Reichel <sre@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Andreas Kemnade <andreas@...nade.info>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/3] ARM: dts: imx: imx50-kobo-aura: add description for
 battery

On Sat, Dec 27, 2025 at 05:28:15PM +0100, Josua Mayer wrote:
> Kobo Aura has a rechargable battery that is monitored by the embedded
> controller.
> 
> Battery markings: PR-285083 3.7V Typ. 1500mAh; 575327416288 5.55Wh.
> 
> Add description for this battery and link it for monitoring by the
> embedded controller.
> 
> Signed-off-by: Josua Mayer <josua.mayer@....eu>
> ---

Reviewed-by: J. Neuschäfer <j.neuschaefer@....net>

Thanks!

>  arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts b/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts
> index b1a6a9c58ac33..dc8d9fd45cd23 100644
> --- a/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts
> +++ b/arch/arm/boot/dts/nxp/imx/imx50-kobo-aura.dts
> @@ -16,6 +16,14 @@ chosen {
>  		stdout-path = "serial1:115200n8";
>  	};
>  
> +	battery: battery {
> +		compatible = "simple-battery";
> +		voltage-min-design-microvolt = <3400000>;
> +		voltage-max-design-microvolt = <4100000>;
> +		energy-full-design-microwatt-hours = <5550000>;
> +		charge-full-design-microamp-hours = <1500000>;
> +	};
> +
>  	memory@...00000 {
>  		device_type = "memory";
>  		reg = <0x70000000 0x10000000>;
> @@ -151,6 +159,7 @@ embedded-controller@43 {
>  		system-power-controller;
>  		interrupts-extended = <&gpio4 11 IRQ_TYPE_EDGE_FALLING>;
>  		#pwm-cells = <2>;
> +		monitored-battery = <&battery>;
>  	};
>  };
>  
> 
> -- 
> 2.51.0
>