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Mon, 20 Apr 2026 14:36:06 -0700 (PDT) Received: from luca-vm.lan ([154.61.61.58]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488fc140c82sm289500355e9.12.2026.04.20.14.36.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Apr 2026 14:36:06 -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 , Julien Massot , Val Packett , Gary Bisson , Louis-Alexis Eyraud , Fabien Parent , Akari Tsuyukusa , 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 v5 0/9] Add support for MT6392 PMIC Date: Mon, 20 Apr 2026 22:29:59 +0100 Message-ID: <20260420213529.1645560-1-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-20260420_143609_149980_4989CE4C X-CRM114-Status: GOOD ( 19.11 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=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. Changes in v5: - Double checked regulator driver with data sheet and Android sources. The data sheet I have misses a lot of register descriptions, but Android sources have been helpful to fill the gaps - Reintroduced the required attribute for the regulator compatible in the bindings - Fixed the missing reference to the MT6392 schema - Fixed casts/unused vars reported by kernel test robot - Removed Reviewed-by tags from the regulator patches as they have been modified in this version Changes in v4 [4]: - 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 [3]: - Added pinctrl device - Changed mt6397-rtc fallback to mt6323-rtc - Added schema for regulators - Fixed checkpatch issues Changes in v2 [2]: - Replaced explicit compatibles with fallbacks Initial version: [1] [1] https://lore.kernel.org/linux-mediatek/cover.1771865014.git.l.scorcia@gmail.com/ [2] https://lore.kernel.org/linux-mediatek/20260306120521.163654-1-l.scorcia@gmail.com/ [3] https://lore.kernel.org/linux-mediatek/20260317184507.523060-1-l.scorcia@gmail.com/ [4] https://lore.kernel.org/linux-mediatek/20260330083429.359819-1-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 | 27 +- .../pinctrl/mediatek,mt65xx-pinctrl.yaml | 1 + .../regulator/mediatek,mt6392-regulator.yaml | 76 ++ 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 | 740 ++++++++++++++++++ .../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, 1776 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