linux-kernel - Re: [PATCH 3/3] arm64: dts: qcom: msm8916-longcheer-l8150: Add battery and charger

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Date:   Wed, 20 Sep 2023 16:50:28 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Nikita Travkin <nikita@...n.ru>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht
Subject: Re: [PATCH 3/3] arm64: dts: qcom: msm8916-longcheer-l8150: Add
 battery and charger



On 9/16/23 15:57, Nikita Travkin wrote:
> Longcheer L8150 doesn't have any dedicated fuel-gauge or charger,
> instead making use of the pmic hardware blocks for those purposes.
> 
> Add pm8916 bms and charger, as well as the battery cell description
> that those devices rely on.
> 
> Signed-off-by: Nikita Travkin <nikita@...n.ru>
> ---
>   .../boot/dts/qcom/msm8916-longcheer-l8150.dts      | 43 +++++++++++++++++++---
>   1 file changed, 37 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts
> index 3892ad4f639a..95dddf3b3880 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8916-longcheer-l8150.dts
> @@ -33,6 +33,25 @@ wcnss_mem: wcnss@...00000 {
>   		};
>   	};
>   
> +	battery: battery {
> +		compatible = "simple-battery";
> +		voltage-min-design-microvolt = <3400000>;
> +		voltage-max-design-microvolt = <4350000>;
> +		energy-full-design-microwatt-hours = <9500000>;
> +		charge-full-design-microamp-hours = <2500000>;
> +
> +		ocv-capacity-celsius = <25>;
> +		ocv-capacity-table-0 = <4330000 100>, <4265000 95>,
> +			<4208000 90>, <4153000 85>, <4100000 80>, <4049000 75>,
> +			<4001000 70>, <3962000 65>, <3919000 60>, <3872000 55>,
> +			<3839000 50>, <3817000 45>, <3798000 40>, <3783000 35>,
> +			<3767000 30>, <3747000 25>, <3729000 20>, <3709000 16>,
> +			<3688000 13>, <3681000 11>, <3680000 10>, <3679000 9>,
> +			<3677000 8>, <3674000 7>, <3666000 6>, <3641000 5>,
> +			<3597000 4>, <3537000 3>, <3457000 2>, <3336000 1>,
> +			<3000000 0>;
> +	};
> +
>   	gpio-keys {
>   		compatible = "gpio-keys";
>   
> @@ -220,6 +239,22 @@ &blsp_uart2 {
>   	status = "okay";
>   };
>   
> +&pm8916_bms {
> +	status = "okay";
status last

Konrad