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Sat, 15 Nov 2025 04:27:04 -0800 (PST) From: Erikas Bitovtas Date: Sat, 15 Nov 2025 14:26:43 +0200 Subject: [PATCH 1/2] arm64: dts: qcom: msm8939-asus-z00t: add battery Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251115-battery-hall-v1-1-1586283d17c7@gmail.com> References: <20251115-battery-hall-v1-0-1586283d17c7@gmail.com> In-Reply-To: <20251115-battery-hall-v1-0-1586283d17c7@gmail.com> To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Erikas Bitovtas X-Mailer: b4 0.14.3 This device tracks remaining battery capacity percentage using voltage mode BMS. This commit enables the pm8916_bms node and adds a battery node to track its capacity. Battery properties were taken from the downstream code and from the information printed on the battery itself. Signed-off-by: Erikas Bitovtas --- arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts | 25 ++++++++++++++++++++++= +++ 1 file changed, 25 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts b/arch/arm64/bo= ot/dts/qcom/msm8939-asus-z00t.dts index ebb548e62e02..b58f0a04abfd 100644 --- a/arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts +++ b/arch/arm64/boot/dts/qcom/msm8939-asus-z00t.dts @@ -20,6 +20,25 @@ aliases { serial0 =3D &blsp_uart2; }; =20 + battery: battery { + compatible =3D "simple-battery"; + device-chemistry =3D "lithium-ion-polymer"; + voltage-min-design-microvolt =3D <3400000>; + voltage-max-design-microvolt =3D <4400000>; + energy-full-design-microwatt-hours =3D <11500000>; + charge-full-design-microamp-hours =3D <3000000>; + + ocv-capacity-celsius =3D <25>; + ocv-capacity-table-0 =3D <4372000 100>, <4306000 95>, <4247000 90>, + <4190000 85>, <4134000 80>, <4081000 75>, <4030000 70>, + <3984000 65>, <3930000 60>, <3884000 55>, <3850000 50>, + <3826000 45>, <3804000 40>, <3786000 35>, <3770000 30>, + <3753000 25>, <3734000 20>, <3712000 16>, <3693000 13>, + <3686000 11>, <3684000 10>, <3682000 9>, <3680000 8>, + <3676000 7>, <3668000 6>, <3643000 5>, <3600000 4>, + <3542000 3>, <3462000 2>, <3340000 1>, <3000000 0>; + }; + chosen { stdout-path =3D "serial0"; }; @@ -135,6 +154,12 @@ &mpss_mem { reg =3D <0x0 0x86800000 0x0 0x5500000>; }; =20 +&pm8916_bms { + monitored-battery =3D <&battery>; + + status =3D "okay"; +}; + &pm8916_codec { qcom,micbias-lvl =3D <2800>; qcom,mbhc-vthreshold-low =3D <75 150 237 450 500>; --=20 2.51.2