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Thu, 04 Sep 2025 09:08:07 -0700 (PDT) Received: from localhost.localdomain ([2600:1700:fb0:1bc0:c51e:64e3:dc5d:9652]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-319b5fcbf6asm2437593fac.20.2025.09.04.09.08.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Sep 2025 09:08:07 -0700 (PDT) From: Chris Morgan To: linux-rockchip@lists.infradead.org Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, broonie@kernel.org, lee@kernel.org, lgirdwood@gmail.com, sre@kernel.org, heiko@sntech.de, conor+dt@kernel.org, krzk+dt@kernel.org, robh@kernel.org, Chris Morgan Subject: [PATCH v8 0/5] Add Texas Instruments BQ25703A Charger Date: Thu, 4 Sep 2025 11:05:25 -0500 Message-ID: <20250904160530.66178-1-macroalpha82@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Chris Morgan Add support for the Texas Instruments BQ25703A charger manager. The device integrates a boost converter with the charger manager. This series adds the device as an MFD with separate regulator and power supply drivers. This allows us to manage a circular dependency with a type-c port manager which depends on the regulator for usb-otg but supplies power to the BQ25703A charger. --- Changes since RFC - Corrected some minor issues with code and device-tree labels. - Replaced most of the manufacturer specific device-tree properties with monitored-battery properties. Changes since V2 - Added reference to power-supply.yaml and removed note for i2c address per recommendation from Sebastian. - Corrected documentation error for charger driver found by kernel test robot. - Corrected duplicate POWER_SUPPLY_USB_TYPE_PD entry and corrected ichg logic in power supply changed function. - Corrected missing linux/bitfield.h header in regulator driver found by kernel test robot. Changes since V3 - Changed name of regulator from usb_otg_vbus to just vbus to align with datasheet. - Additional cleanup of the device tree documentation. Changes since V4 - Replaced instances of dev_err followed by a return in the probe functions with a return of dev_err_probe instead. - Simplified cell definition of main driver for probe. - Updated copyright year to 2025 on copyright strings. Changes since V5 - Removed erroneous Reviewed-by tag from mfd patch. - Made mfd_cells static const in mfd probe function. - Removed unneeded enum from header file. Changes since V6 - Fixed https://lore.kernel.org/all/202508181503.GrRD2T4C-lkp@intel.com/ by explicitly setting the register in question to 0 and adding a note to describe the change. - Fixed https://lore.kernel.org/all/202508210308.Lw2Klipk-lkp@intel.com/ by changing an IS_ERR_OR_NULL() to just an IS_ERR(). - Fixed https://lore.kernel.org/all/202508141051.hwl2Erq6-lkp@intel.com/ by removing the uninitalized variable in question which is not needed. Changes since V7: - Changed regmap cache type in mfd to REGCACHE_MAPLE. - Corrected mfd_cell struct location. - Added whitespace for readability. Chris Morgan (5): dt-bindings: mfd: ti,bq25703a: Add TI BQ25703A Charger mfd: bq257xx: Add support for BQ25703A core driver power: supply: bq257xx: Add support for BQ257XX charger regulator: bq257xx: Add bq257xx boost regulator driver arm64: dts: rockchip: Add USB and charger to Gameforce Ace .../devicetree/bindings/mfd/ti,bq25703a.yaml | 117 +++ .../dts/rockchip/rk3588s-gameforce-ace.dts | 122 +++ drivers/mfd/Kconfig | 11 + drivers/mfd/Makefile | 1 + drivers/mfd/bq257xx.c | 99 +++ drivers/power/supply/Kconfig | 7 + drivers/power/supply/Makefile | 1 + drivers/power/supply/bq257xx_charger.c | 755 ++++++++++++++++++ drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/bq257xx-regulator.c | 186 +++++ include/linux/mfd/bq257xx.h | 104 +++ 12 files changed, 1412 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/ti,bq25703a.yaml create mode 100644 drivers/mfd/bq257xx.c create mode 100644 drivers/power/supply/bq257xx_charger.c create mode 100644 drivers/regulator/bq257xx-regulator.c create mode 100644 include/linux/mfd/bq257xx.h -- 2.43.0