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[87.92.251.137]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5aed13c3a22sm2739145e87.72.2026.07.06.04.22.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jul 2026 04:22:55 -0700 (PDT) From: Md Shofiqul Islam To: linux-iio@vger.kernel.org Cc: jic23@kernel.org, lars@metafoo.de, linux-kernel@vger.kernel.org, krzysztof.kozlowski@linaro.org, Md Shofiqul Islam Subject: [PATCH v6 0/3] iio: health: add MAX86150 ECG and PPG biosensor driver Date: Mon, 6 Jul 2026 14:22:51 +0300 Message-ID: <20260706112254.1262002-1-shofiqtest@gmail.com> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20260623140730.12574-1-shofiqtest@gmail.com> References: <20260623140730.12574-1-shofiqtest@gmail.com> 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 MAX86150 (Analog Devices / Maxim) is an integrated biosensor combining two photoplethysmography (PPG) channels (Red LED and IR LED) and one electrocardiogram (ECG) channel. Samples are buffered in a 32-entry hardware FIFO with a configurable almost-full interrupt. This series adds a DT binding schema, an IIO triggered-buffer driver, and a MAINTAINERS entry. Changes in v6: - dt-bindings: remove "SoC" from description (Jonathan Cameron) - dt-bindings: spell out PPG and ECG acronyms in full before abbreviating them (Jonathan Cameron) - dt-bindings: remove the I2C 400 kHz sentence from description; keep FIFO/interrupt mention (Jonathan Cameron) - dt-bindings: simplify interrupt description to FIFO almost-full only Changes in v5: - dt-bindings: remove avdd-supply from required[] (Krzysztof Kozlowski) - dt-bindings: rename leds-supply to vled-supply (Krzysztof Kozlowski) - dt-bindings: remove literal block scalar from interrupts description (Krzysztof Kozlowski) - dt-bindings: use IRQ_TYPE_LEVEL_LOW in example (Sashiko AI review) Changes in v4: - driver: fix buffer overflow: buf[4] -> buf[6] for full sample - driver: use iio_device_claim_direct() for raw reads - driver: add OVF_COUNTER FIFO-full detection - driver: fix active_scan_mask channel packing - driver: remove IRQF_ONESHOT (threaded IRQ already implies it) - driver: add set_trigger_state callback - driver: use IIO_CPU endianness for timestamp - driver: use devm for powerdown on remove - driver: enable regulator before first access - driver: use devm action for iio_trigger_put Md Shofiqul Islam (3): dt-bindings: iio: health: add adi,max86150 iio: health: add MAX86150 ECG and PPG biosensor driver MAINTAINERS: add entry for MAX86150 IIO health driver .../bindings/iio/health/adi,max86150.yaml | 70 ++ MAINTAINERS | 7 + drivers/iio/health/Kconfig | 23 + drivers/iio/health/Makefile | 1 + drivers/iio/health/max86150.c | 725 ++++++++++++++++++ 5 files changed, 826 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/health/adi,max86150.yaml create mode 100644 drivers/iio/health/max86150.c -- 2.51.1