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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. --- 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 | 104 +++ drivers/power/supply/Kconfig | 7 + drivers/power/supply/Makefile | 1 + drivers/power/supply/bq257xx_charger.c | 754 ++++++++++++++++++ drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/bq257xx-regulator.c | 189 +++++ include/linux/mfd/bq257xx.h | 108 +++ 12 files changed, 1423 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6A4B9C7EE30 for ; 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Thu, 26 Jun 2025 12:56:05 -0700 (PDT) Received: from localhost.localdomain ([2600:1700:fb0:1bc0:f978:7e9c:c207:c035]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-611b8582352sm66915eaf.22.2025.06.26.12.56.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Jun 2025 12:56:05 -0700 (PDT) From: Chris Morgan To: linux-pm@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, broonie@kernel.org, lgirdwood@gmail.com, sre@kernel.org, heiko@sntech.de, conor+dt@kernel.org, krzk+dt@kernel.org, robh@kernel.org, lee@kernel.org, Chris Morgan Subject: [PATCH V4 0/5] Add Texas Instruments BQ25703A Charger Date: Thu, 26 Jun 2025 14:53:38 -0500 Message-ID: <20250626195343.54653-1-macroalpha82@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250626_125607_351281_B8E61406 X-CRM114-Status: GOOD ( 14.04 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org 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. --- 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 | 104 +++ drivers/power/supply/Kconfig | 7 + drivers/power/supply/Makefile | 1 + drivers/power/supply/bq257xx_charger.c | 754 ++++++++++++++++++ drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/bq257xx-regulator.c | 189 +++++ include/linux/mfd/bq257xx.h | 108 +++ 12 files changed, 1423 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 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip