linux-kernel - Re: [PATCH v2 2/3] arm64: dts: qcom: pm8916: Add BMS and charger

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Message-ID: <3dff444b-c439-4c40-9d21-1e390f449840@linaro.org>
Date:   Tue, 24 Oct 2023 10:34:24 +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>, Lee Jones <lee@...nel.org>,
        Stephen Boyd <sboyd@...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 v2 2/3] arm64: dts: qcom: pm8916: Add BMS and charger



On 10/23/23 08:20, Nikita Travkin wrote:
> pm8916 contains some hardware blocks for battery powered devices:
> 
> - VM-BMS: Battery voltage monitoring block.
> - LBC: Linear battery charger.
> 
> Add them to the pmic dtsi so the devices that make use of those blocks
> can enable them.
> 
> Signed-off-by: Nikita Travkin <nikita@...n.ru>
> ---
>   arch/arm64/boot/dts/qcom/pm8916.dtsi | 48 ++++++++++++++++++++++++++++++++++++
>   1 file changed, 48 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/pm8916.dtsi b/arch/arm64/boot/dts/qcom/pm8916.dtsi
> index f4de86787743..4b2e8fb47d2d 100644
> --- a/arch/arm64/boot/dts/qcom/pm8916.dtsi
> +++ b/arch/arm64/boot/dts/qcom/pm8916.dtsi
> @@ -41,6 +41,35 @@ watchdog {
>   			};
>   		};
>   
> +		pm8916_charger: charger@...0 {
> +			compatible = "qcom,pm8916-lbc";
> +			reg = <0x1000>, <0x1200>, <0x1300>, <0x1600>;
> +			reg-names = "chgr", "bat_if", "usb", "misc";
> +
> +			interrupts = <0x0 0x10 0 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x10 5 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x10 6 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x10 7 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x12 0 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x12 1 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x13 0 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x13 1 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x13 2 IRQ_TYPE_EDGE_BOTH>,
> +				     <0x0 0x13 4 IRQ_TYPE_EDGE_BOTH>;
> +			interrupt-names = "vbat_det",
> +					  "fast_chg",
> +					  "chg_fail",
> +					  "chg_done",
> +					  "bat_pres",
> +					  "temp_ok",
> +					  "coarse_det",
> +					  "usb_vbus",
So, both the charger and the USBIN driver use the same irq? :/

Konrad