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charset="utf-8" Add vendor prefix for Beijing Galaxy-CAS Technology Co., Ltd. (GXCAS). The prefix was confirmed from the manufacturer's website: https://www.gxcas.com/en/index.html Acked-by: Conor Dooley Acked-by: Krzysztof Kozlowski Signed-off-by: Zaixiang Xu --- Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Docum= entation/devicetree/bindings/vendor-prefixes.yaml index ee7fd3cfe203..354836eb8e72 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -676,6 +676,8 @@ patternProperties: description: Gateworks Corporation use "gateworks" vendor prefix deprecated: true + "^gxcas,.*": + description: Beijing Galaxy-CAS Technology Co., Ltd. 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Fri, 03 Apr 2026 03:15:22 -0700 (PDT) From: Zaixiang Xu To: linux@roeck-us.net Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, zaixiang.xu.dev@gmail.com Subject: [PATCH v5 2/3] dt-bindings: trivial-devices: add Sensirion SHT3x/STS3x and GXCAS GXHT30 Date: Fri, 3 Apr 2026 18:14:55 +0800 Message-Id: <1775211296-63722-3-git-send-email-zaixiang.xu.dev@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1775211296-63722-1-git-send-email-zaixiang.xu.dev@gmail.com> References: <1775211296-63722-1-git-send-email-zaixiang.xu.dev@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The Sensirion SHT3x/STS3x series (and its compatible alternative, the GXCAS GXHT30) are simple I2C temperature and humidity sensors. They require no external resources other than the I2C bus and power supply, fitting perfectly into the trivial-devices category. Historically, the driver matched against the "sht3x" wildcard compatible string. However, as pointed out by DT maintainers, wildcards are heavily discouraged in new bindings, and specific part numbers representing real devices should be used instead. Therefore, document the explicit chip names (sht30, sht31, sht35, sht85, sts30, sts31) along with the fully compatible gxht30 in trivial-devices.yaml. Note that sht85 is already supported in the driver but was missing from the bindings. Signed-off-by: Zaixiang Xu --- Documentation/devicetree/bindings/trivial-devices.yaml | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Docum= entation/devicetree/bindings/trivial-devices.yaml index a482aeadcd44..e6efabfb1b14 100644 --- a/Documentation/devicetree/bindings/trivial-devices.yaml +++ b/Documentation/devicetree/bindings/trivial-devices.yaml @@ -125,6 +125,8 @@ properties: - fsl,mma8450 # MPR121: Proximity Capacitive Touch Sensor Controller - fsl,mpr121 + # GXCAS temperature & humidity sensor with I2C interface + - gxcas,gxht30 # HiTRON AC/DC CompactPCI Power Supply - hitron,hac300s # Honeywell Humidicon HIH-6130 humidity/temperature sensor @@ -399,7 +401,14 @@ properties: - sensirion,sht20 - sensirion,sht21 - sensirion,sht25 + - sensirion,sht30 + - sensirion,sht31 + - sensirion,sht35 - sensirion,sht4x + - sensirion,sht85 + # Sensirion temperature sensor with I2C interface + - sensirion,sts30 + - sensirion,sts31 # Sensortek 3 axis accelerometer - sensortek,stk8312 # Sensortek 3 axis accelerometer --=20 2.34.1 From nobody Sun Apr 5 13:12:18 2026 Received: from mail-pj1-f52.google.com (mail-pj1-f52.google.com [209.85.216.52]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 13DF438F94A for ; 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Fri, 03 Apr 2026 03:15:26 -0700 (PDT) Received: from ubuntu.localdomain ([27.217.83.168]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b2747341a8sm54383675ad.3.2026.04.03.03.15.23 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 03 Apr 2026 03:15:25 -0700 (PDT) From: Zaixiang Xu To: linux@roeck-us.net Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, zaixiang.xu.dev@gmail.com Subject: [PATCH v5 3/3] hwmon: (sht3x) Add support for GXCAS GXHT30 sensor Date: Fri, 3 Apr 2026 18:14:56 +0800 Message-Id: <1775211296-63722-4-git-send-email-zaixiang.xu.dev@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1775211296-63722-1-git-send-email-zaixiang.xu.dev@gmail.com> References: <1775211296-63722-1-git-send-email-zaixiang.xu.dev@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The GXCAS GXHT30 is a humidity and temperature sensor that is software compatible with the Sensirion SHT3x series. Add the "gxht30" chip name to the i2c_device_id table to allow I2C core matching. For Device Tree instantiation, this driver relies on the I2C core fallback matching or DT compatible fallbacks (e.g., matching "gxcas,gxht30" with "sensirion,sht30"). Signed-off-by: Zaixiang Xu --- drivers/hwmon/sht3x.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hwmon/sht3x.c b/drivers/hwmon/sht3x.c index 08306ccb6d0b..abcc7b4abe5a 100644 --- a/drivers/hwmon/sht3x.c +++ b/drivers/hwmon/sht3x.c @@ -934,6 +934,7 @@ static const struct i2c_device_id sht3x_ids[] =3D { {"sht3x", sht3x}, {"sts3x", sts3x}, {"sht85", sht3x}, + {"gxht30", sht3x}, {} }; =20 @@ -948,5 +949,6 @@ module_i2c_driver(sht3x_i2c_driver); =20 MODULE_AUTHOR("David Frey "); MODULE_AUTHOR("Pascal Sachs "); +MODULE_AUTHOR("Zaixiang Xu "); MODULE_DESCRIPTION("Sensirion SHT3x humidity and temperature sensor driver= "); MODULE_LICENSE("GPL"); --=20 2.34.1