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[75.72.117.212]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-50ae9bcfbf6sm3430829173.54.2025.08.12.19.45.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Aug 2025 19:45:13 -0700 (PDT) From: Alex Elder To: lee@kernel.org, lgirdwood@gmail.com, broonie@kernel.org, alexandre.belloni@bootlin.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: mat.jonczyk@o2.pl, dlan@gentoo.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, linux.amoon@gmail.com, troymitchell988@gmail.com, guodong@riscstar.com, linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v12 0/7] spacemit: introduce P1 PMIC support Date: Tue, 12 Aug 2025 21:45:01 -0500 Message-ID: <20250813024509.2325988-1-elder@riscstar.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The SpacemiT P1 is an I2C-controlled PMIC that implements 6 buck converters and 12 LDOs. It contains a load switch, ADC channels, GPIOs, a real-time clock, and a watchdog timer. This series introduces a multifunction driver for the P1 PMIC as well as drivers for its regulators and RTC. The content of this version is identical to the previous one. It has simply been rebased onto Linux v6.17-rc1. -Alex This series is available here: https://github.com/riscstar/linux/tree/outgoing/pmic-v12 Between version 11 and version 12: - Simple rebase Here is version 11 of this series: https://lore.kernel.org/lkml/20250803025812.373029-1-elder@riscstar.com/ Between version 10 and version 11: - Abandon trying to implement a simple_mfd_data->max_register field - Fix a missing dependency pointed out by the kernel test robot Here is version 10 of this series: https://lore.kernel.org/lkml/20250726131003.3137282-1-elder@riscstar.com/ Between version 9 and version 10: - The #address-cells and #size-cells for the i2c8 DTS node were moved into its primary definition in "k1.dtsi". - The interrupts property for the i2c8 DTS node was moved below its clock-related properties. - The status property in the pmic@41 DTS node was dropped. - The function that provides the regmap_config structure to use was reworked a bit. - A new function was added to free the regmap_config structure after it's no longer needed. Here is version 9 of this series: https://lore.kernel.org/lkml/20250724202511.499288-1-elder@riscstar.com/ Between version 8 and version 9: - The max_config value is always used if it is provided with the simple_mfd_data structure. - The regmap_config structure used is allocated dynamically if necessary; otherwise regmap_config_8r_8v is used. - A small duplicated comment is removed Here is version 8 of this series: https://lore.kernel.org/lkml/20250710175107.1280221-1-elder@riscstar.com/ More complete history is available at that link. Alex Elder (7): dt-bindings: mfd: add support the SpacemiT P1 PMIC mfd: simple-mfd-i2c: add SpacemiT P1 support regulator: spacemit: support SpacemiT P1 regulators rtc: spacemit: support the SpacemiT P1 RTC riscv: dts: spacemit: enable the i2c8 adapter riscv: dts: spacemit: define fixed regulators riscv: dts: spacemit: define regulator constraints .../devicetree/bindings/mfd/spacemit,p1.yaml | 86 +++++++++ .../boot/dts/spacemit/k1-bananapi-f3.dts | 135 ++++++++++++++ arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi | 7 + arch/riscv/boot/dts/spacemit/k1.dtsi | 13 ++ drivers/mfd/Kconfig | 11 ++ drivers/mfd/simple-mfd-i2c.c | 18 ++ drivers/regulator/Kconfig | 13 ++ drivers/regulator/Makefile | 1 + drivers/regulator/spacemit-p1.c | 157 ++++++++++++++++ drivers/rtc/Kconfig | 10 ++ drivers/rtc/Makefile | 1 + drivers/rtc/rtc-spacemit-p1.c | 167 ++++++++++++++++++ 12 files changed, 619 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/spacemit,p1.yaml create mode 100644 drivers/regulator/spacemit-p1.c create mode 100644 drivers/rtc/rtc-spacemit-p1.c base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585 -- 2.48.1