From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mta-64-228.siemens.flowmailer.net (mta-64-228.siemens.flowmailer.net [185.136.64.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 568B13BCD33 for ; Fri, 21 Aug 2026 09:19:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.136.64.228 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787303994; cv=none; b=WQfdqzM05BlmO0snYK8NiRu6vEdKAlMIV3XemNmA1vW2ik/fuM8EYDwjkWiOazAoNh3Pk3rwxGwiJ5RGfN3WkH7Hf0FZ2PtitJkPih8BC4Fn+AHPFrM9v3JzNP6JZsDLPfV0iD5RxAPoKfQ0ARGxzBea1ZcXX9k3tfJwMXoO2Mo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787303994; c=relaxed/simple; bh=IgyD80E3r1o+lHNGYgNi4ZRJnf5sFLYMqMgHhVpqaEU=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=awYL5kysfz+FvgKax5jtMRkFieto5FfkwM4BDPA9/f2kZ3SUPYEzkIliGNNSVw+7tS6eSBA67rW8IHkyZbBEKn/wzai5tXGGietVCg/pzzBqdjvb4f9hIcXvyAdehYzpD2jaLMJh/rQkpqYeON82muiLqN+OpMD8BQcQgu6anJg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com; dkim=pass (2048-bit key) header.d=siemens.com header.i=alessandro.zini@siemens.com header.b=OQHIUvMM; arc=none smtp.client-ip=185.136.64.228 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=siemens.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rts-flowmailer.siemens.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=siemens.com header.i=alessandro.zini@siemens.com header.b="OQHIUvMM" Received: by mta-64-228.siemens.flowmailer.net with ESMTPSA id 20260821091934c79e1c352700020788 for ; Fri, 21 Aug 2026 11:19:35 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=fm2; d=siemens.com; i=alessandro.zini@siemens.com; h=Date:From:Subject:To:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:Cc; bh=gAQDAmU2Ugttf6taa7vK6ZUTaqexcgWtzklNQFpvJMk=; b=OQHIUvMM8raa5qQB8Pxe1PPCrhw/oSvXVYYCE0AkgZ9b559dgf4o6jcz84e0N64z68l0hG y77i7odhm+ja75WNZ6PuxXPPcUfCpgBc8EMsBtS6MlzxXEitu9YyIQSf1EtjvMWgDPfvQNEw NEDU/Y4mLjhsncKme1tiiAzpOCYthEYdmgM/MdDNZPNxuyf8zmzBQmPOqOxljUz3Zv75JJ8S UQiFfp3Jgs0U35z3qWB6AaXMMn2dZE1/Upss6WT9Lx3W2k/JNE1zI5ax+CJc/XYkpUXTVfnC WPEaQ0vGTtlF2uW3j4/M+uRdiqvk+ZSZk5yuXHMDixVryXmTEkpvzY8Q==; From: Alessandro Zini To: Guenter Roeck , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Alessandro Zini Subject: [PATCH v2 0/2] hwmon: Add Sensirion STS4x temperature sensor support Date: Fri, 21 Aug 2026 11:19:22 +0200 Message-ID: <20260821091924.18975-1-alessandro.zini@siemens.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Flowmailer-Platform: Siemens Feedback-ID: 519:519-1327013:519-21489:flowmailer This patch series adds support for the Sensirion STS4x family of digital temperature sensors by extending the existing sht4x driver and adding the "sensirion,sts40" compatible string to trivial-devices. The STS4x series shares the same I2C commands, conversion formulas, CRC-8 checksum, and measurement timings with the SHT4x humidity and temperature sensors, but returns 3 bytes of temperature data instead of 6 bytes. Changes in v2: - Fixed heating_complete initialization in probe to prevent msleep delays on boot. - Bypassed heater delay checks in sht4x_read_values() for STS4x. Alessandro Zini (2): dt-bindings: trivial-devices: Add Sensirion STS4x series hwmon: (sht4x): Add support for Sensirion STS4x temperature sensors .../devicetree/bindings/trivial-devices.yaml | 2 + Documentation/hwmon/sht4x.rst | 17 ++++- drivers/hwmon/sht4x.c | 62 ++++++++++++++----- 3 files changed, 61 insertions(+), 20 deletions(-) -- 2.55.0