Re: [PATCH v3] arm64: dts: qcom: sdm845-sony-tama: Add battery properties

From: Konrad Dybcio

Date: Thu Oct 15 2026 - 08:14:19 EST


On 9/10/26 6:36 AM, Shujath Mohd wrote:
> Add simple-battery nodes describing the design capacity and voltage
> limits of the Xperia TAMA batteries.
>
> Use the TMM fuel-gauge profile values from the downstream kernel
> (`somc,initial-capacity-uah` and `qcom,max-voltage-uv` on the 4250 mV
> bins). Akari also shipped a BYD cell (3056000 uAh); a single
> simple-battery node cannot express both, so prefer TMM as on the other
> TAMA devices.
>
> Voltage limits match the fresh 4250 mV profiles: 3.4 V drained and
> 4.245 V fully charged. Aging bins raise max voltage / CC-CV up to
> 4.380 V / 4370 mV and are not modelled here.
>
> Signed-off-by: Shujath Mohd <shujath@xxxxxxxxxx>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx>

Konrad