From: "André Draszik" <andre.draszik@linaro.org>
To: Peter Griffin <peter.griffin@linaro.org>,
Tudor Ambarus <tudor.ambarus@linaro.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Alim Akhtar <alim.akhtar@samsung.com>
Cc: "Juan Yescas" <jyescas@google.com>,
"Amit Sunil Dhamne" <amitsd@google.com>,
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,
"André Draszik" <andre.draszik@linaro.org>
Subject: [PATCH v2] arm64: dts: exynos: gs101-pixel-common: add Maxim MAX77759 fuel gauge
Date: Mon, 02 Mar 2026 12:35:22 +0000 [thread overview]
Message-ID: <20260302-max77759-fg-dts-v2-1-12f1109a6fee@linaro.org> (raw)
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 <peter.griffin@linaro.org>
Tested-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
---
Changes in v2:
- typo Maxin -> Maxim in subject
- collect tags
- Link to v1: https://lore.kernel.org/r/20260227-max77759-fg-dts-v1-1-16c5733e946c@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@linaro.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/arch/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 {
};
};
+ fuel-gauge@36 {
+ compatible = "maxim,max77759-fg";
+ reg = <0x36>;
+
+ pinctrl-0 = <&if_pmic_fg_int>;
+ pinctrl-names = "default";
+ interrupts-extended = <&gpa9 3 IRQ_TYPE_LEVEL_LOW>;
+
+ shunt-resistor-micro-ohms = <5000>;
+ };
+
pmic@66 {
compatible = "maxim,max77759";
reg = <0x66>;
@@ -317,6 +328,13 @@ pmic_int: pmic-int-pins {
samsung,pin-pud = <GS101_PIN_PULL_NONE>;
};
+ if_pmic_fg_int: if-pmic-fg-int-pins {
+ samsung,pins = "gpa9-3";
+ samsung,pin-function = <GS101_PIN_FUNC_EINT>;
+ samsung,pin-pud = <GS101_PIN_PULL_UP>;
+ samsung,pin-drv = <GS101_PIN_DRV_2_5_MA>;
+ };
+
key_power: key-power-pins {
samsung,pins = "gpa10-1";
samsung,pin-function = <GS101_PIN_FUNC_EINT>;
---
base-commit: 3fa5e5702a82d259897bd7e209469bc06368bf31
change-id: 20260227-max77759-fg-dts-b12ebd5a90b3
Best regards,
--
André Draszik <andre.draszik@linaro.org>
next reply other threads:[~2026-03-02 12:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-02 12:35 André Draszik [this message]
2026-03-06 7:00 ` [PATCH v2] arm64: dts: exynos: gs101-pixel-common: add Maxim MAX77759 fuel gauge André Draszik
2026-03-07 16:58 ` Krzysztof Kozlowski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260302-max77759-fg-dts-v2-1-12f1109a6fee@linaro.org \
--to=andre.draszik@linaro.org \
--cc=alim.akhtar@samsung.com \
--cc=amitsd@google.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=jyescas@google.com \
--cc=kernel-team@android.com \
--cc=krzk+dt@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-samsung-soc@vger.kernel.org \
--cc=peter.griffin@linaro.org \
--cc=robh@kernel.org \
--cc=tudor.ambarus@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).