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Mon, 30 Mar 2026 01:34:44 -0700 (PDT) Received: from luca-vm.lan ([154.61.61.58]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48722c6b495sm508329995e9.2.2026.03.30.01.34.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2026 01:34:44 -0700 (PDT) From: Luca Leonardo Scorcia To: linux-mediatek@lists.infradead.org Cc: Luca Leonardo Scorcia , Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sen Chu , Sean Wang , Macpaul Lin , Lee Jones , Matthias Brugger , AngeloGioacchino Del Regno , Linus Walleij , Liam Girdwood , Mark Brown , Gary Bisson , Val Packett , Julien Massot , Louis-Alexis Eyraud , Fabien Parent , Chen Zhong , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org Subject: [PATCH v4 0/9] Add support for mt6392 PMIC Date: Mon, 30 Mar 2026 09:29:34 +0100 Message-ID: <20260330083429.359819-1-l.scorcia@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260330_013446_875698_B2309798 X-CRM114-Status: GOOD ( 20.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The MediaTek mt6392 PMIC is usually found on devices powered by the mt8516/mt8167 SoC and is yet another mt6323/mt6397 variant. This series is mostly based around patches submitted a couple years ago by Fabien Parent and not merged and from Val Packett's submission from Jan 2025 that included extra cleanups, fixes, and a new dtsi file similar to ones that exist for other PMICs. Some comments weren't addressed and the series was ultimately not merged. This series only enables four functions: regulators, keys, pinctrl and RTC. I added a handful of device tree improvements to fix some dtbs_check errors, added support for the pinctrl device and addressed the comments from last year's reviews. The series has been tested on Xiaomi Mi Smart Clock x04g. In order for pinctrl to probe successfully patch [1] has to be merged too, but each patch set is independent from the other. Changes in v4: - Dropped usage of the regulator compatible - Fixed commit messages text to properly reference the target subsystem - Added supply rails to the regulator - Reworked the regulator schema and PMIC dtsi. Now all supplies are documented and the schema no longer includes voltage information - Removed redundant ldo- / buck- prefixes - Renamed the pinfunc header to mediatek,mt6392-pinfunc.h - Modified the MFD driver to use a simple identifier in the of_match data properties Changes in v3 [2]: - Added pinctrl device - Changed mt6397-rtc fallback to mt6323-rtc - Added schema for regulators - Fixed checkpatch issues Changes in v2 [3]: - Replaced explicit compatibles with fallbacks [1] https://lore.kernel.org/linux-mediatek/20260317110249.391552-1-l.scorcia@gmail.com/ [2] https://lore.kernel.org/linux-mediatek/20260317184507.523060-1-l.scorcia@gmail.com/ [3] https://lore.kernel.org/linux-mediatek/20260306120521.163654-1-l.scorcia@gmail.com/ Fabien Parent (4): dt-bindings: mfd: mt6397: Add MT6392 PMIC dt-bindings: input: mtk-pmic-keys: Add MT6392 PMIC keys mfd: mt6397: Add support for MT6392 PMIC regulator: Add MediaTek MT6392 regulator Luca Leonardo Scorcia (3): regulator: dt-bindings: Add MediaTek MT6392 PMIC dt-bindings: pinctrl: mediatek,mt65xx: Add MT6392 pinctrl pinctrl: mediatek: mt6397: Add MediaTek MT6392 Val Packett (2): input: keyboard: mtk-pmic-keys: Add MT6392 support arm64: dts: mediatek: Add MediaTek MT6392 PMIC dtsi .../bindings/input/mediatek,pmic-keys.yaml | 1 + .../bindings/mfd/mediatek,mt6397.yaml | 11 +- .../pinctrl/mediatek,mt65xx-pinctrl.yaml | 1 + .../regulator/mediatek,mt6392-regulator.yaml | 74 +++ arch/arm64/boot/dts/mediatek/mt6392.dtsi | 73 +++ drivers/input/keyboard/mtk-pmic-keys.c | 17 + drivers/mfd/mt6397-core.c | 118 +++- drivers/mfd/mt6397-irq.c | 8 + drivers/pinctrl/mediatek/pinctrl-mt6397.c | 37 +- drivers/pinctrl/mediatek/pinctrl-mtk-mt6392.h | 64 +++ drivers/regulator/Kconfig | 9 + drivers/regulator/Makefile | 1 + drivers/regulator/mt6392-regulator.c | 509 ++++++++++++++++++ .../pinctrl/mediatek,mt6392-pinfunc.h | 39 ++ .../regulator/mediatek,mt6392-regulator.h | 24 + include/linux/mfd/mt6392/core.h | 42 ++ include/linux/mfd/mt6392/registers.h | 487 +++++++++++++++++ include/linux/mfd/mt6397/core.h | 1 + include/linux/regulator/mt6392-regulator.h | 42 ++ 19 files changed, 1527 insertions(+), 31 deletions(-) create mode 100644 Documentation/devicetree/bindings/regulator/mediatek,mt6392-regulator.yaml create mode 100644 arch/arm64/boot/dts/mediatek/mt6392.dtsi create mode 100644 drivers/pinctrl/mediatek/pinctrl-mtk-mt6392.h create mode 100644 drivers/regulator/mt6392-regulator.c create mode 100644 include/dt-bindings/pinctrl/mediatek,mt6392-pinfunc.h create mode 100644 include/dt-bindings/regulator/mediatek,mt6392-regulator.h create mode 100644 include/linux/mfd/mt6392/core.h create mode 100644 include/linux/mfd/mt6392/registers.h create mode 100644 include/linux/regulator/mt6392-regulator.h -- 2.43.0