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[34.91.210.221]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-660057835e2sm1979643a12.18.2026.03.02.04.35.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Mar 2026 04:35:23 -0800 (PST) From: =?utf-8?q?Andr=C3=A9_Draszik?= Date: Mon, 02 Mar 2026 12:35:22 +0000 Subject: [PATCH v2] arm64: dts: exynos: gs101-pixel-common: add Maxim MAX77759 fuel gauge 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: <20260302-max77759-fg-dts-v2-1-12f1109a6fee@linaro.org> X-B4-Tracking: v=1; b=H4sIAAmEpWkC/3WNQQrDIBRErxL+uhajjWJXvUfJQpMf86GNQYOkB O9em32Z1RuYNwckjIQJ7s0BETMlCksFcWlgmO3ikdFYGQQXiguh2dvuWuvOsMmzcUvMtQLd2Fn DnYS6WiNOtJ/GZ195prSF+DkPcvtr/7tyy2rU0Gkp0dzU8HjRYmO4huihL6V8AeyWI0mvAAAA X-Change-ID: 20260227-max77759-fg-dts-b12ebd5a90b3 To: Peter Griffin , Tudor Ambarus , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar Cc: Juan Yescas , Amit Sunil Dhamne , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Andr=C3=A9_Draszik?= X-Mailer: b4 0.14.3 On Pixel 6 (and Pro), a MAX77759 companion PMIC for USB Type-C applications is used, which contains four functional blocks (at distinct I2C addresses): * top (including GPIO & NVMEM) * charger * fuel gauge * TCPCi This change adds the fuel gauge. Reviewed-by: Peter Griffin Tested-by: Peter Griffin Signed-off-by: Andr=C3=A9 Draszik --- Changes in v2: - typo Maxin -> Maxim in subject - collect tags - Link to v1: https://lore.kernel.org/r/20260227-max77759-fg-dts-v1-1-16c57= 33e946c@linaro.org --- For DT validation purposes, this patch depends on the binding updates from https://lore.kernel.org/r/20260226-max77759-fg-v1-0-ff0a08a70a9f@linar= o.org They have been ACKed, but not merged yet. --- .../boot/dts/exynos/google/gs101-pixel-common.dtsi | 18 ++++++++++++++= ++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi b/ar= ch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi index 93892adaa679..c01fec7c867d 100644 --- a/arch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi +++ b/arch/arm64/boot/dts/exynos/google/gs101-pixel-common.dtsi @@ -225,6 +225,17 @@ usbc0_role_sw: endpoint { }; }; =20 + fuel-gauge@36 { + compatible =3D "maxim,max77759-fg"; + reg =3D <0x36>; + + pinctrl-0 =3D <&if_pmic_fg_int>; + pinctrl-names =3D "default"; + interrupts-extended =3D <&gpa9 3 IRQ_TYPE_LEVEL_LOW>; + + shunt-resistor-micro-ohms =3D <5000>; + }; + pmic@66 { compatible =3D "maxim,max77759"; reg =3D <0x66>; @@ -317,6 +328,13 @@ pmic_int: pmic-int-pins { samsung,pin-pud =3D ; }; =20 + if_pmic_fg_int: if-pmic-fg-int-pins { + samsung,pins =3D "gpa9-3"; + samsung,pin-function =3D ; + samsung,pin-pud =3D ; + samsung,pin-drv =3D ; + }; + key_power: key-power-pins { samsung,pins =3D "gpa10-1"; samsung,pin-function =3D ; --- base-commit: 3fa5e5702a82d259897bd7e209469bc06368bf31 change-id: 20260227-max77759-fg-dts-b12ebd5a90b3 Best regards, --=20 Andr=C3=A9 Draszik