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[92.34.215.146]) by smtp.gmail.com with ESMTPSA id f25sm3116380lfc.234.2020.11.17.04.18.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Nov 2020 04:18:12 -0800 (PST) From: Linus Walleij To: Jonathan Cameron , linux-iio@vger.kernel.org Cc: Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Linus Walleij , devicetree@vger.kernel.org, phone-devel@vger.kernel.org Subject: [PATCH v2] iio: accel: yamaha-yas: Add DT bindings Date: Tue, 17 Nov 2020 13:18:10 +0100 Message-Id: <20201117121810.830743-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org This adds device tree bindings for the Yamaha YAS5xx magnetometers/compass sensors. Cc: devicetree@vger.kernel.org Cc: phone-devel@vger.kernel.org Signed-off-by: Linus Walleij --- ChangeLog v1->v2: - Add Yamaha to the vendor list, I was surprised to find they were not yet listed. I am still working on the actual driver for the magnetometer but why not send out the DT bindings for review, the hardware variants are easy to describe. This makes it possibe for people to include these magnetometers in device trees. --- .../bindings/iio/magnetometer/yamaha,yas.yaml | 80 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + 2 files changed, 82 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/yamaha,yas.yaml diff --git a/Documentation/devicetree/bindings/iio/magnetometer/yamaha,yas.yaml b/Documentation/devicetree/bindings/iio/magnetometer/yamaha,yas.yaml new file mode 100644 index 000000000000..6fc4cfe4a417 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/magnetometer/yamaha,yas.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/magnetometer/yamaha,yas.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Yamaha YAS5xx magnetometer sensors + +maintainers: + - Linus Walleij + +description: + The Yamaha YAS5xx magnetometers is a line of 3-axis magnetometers + first introduced by Yamaha in 2006 with the YAS529. Over the years + this magnetometer has been minatyrized and appeared in a number of + different variants. + +properties: + compatible: + oneOf: + - enum: + - yamaha,yas529 + - yamaha,yas530 + - yamaha,yas532 + - yamaha,yas533 + - yamaha,yas535 + - yamaha,yas536 + - yamaha,yas537 + - yamaha,yas539 + + reg: + maxItems: 1 + + reset-gpios: + maxItems: 1 + description: The YAS5xx sensors has a RSTN pin used to reset + the logic inside the sensor. This GPIO line should connect + to that pin and be marked as GPIO_ACTIVE_LOW. + + interrupts: + maxItems: 1 + description: Interrupt for INT pin for variants that support + interrupt generation. This polarity, whether the interrupt + is active on the rising or the falling edge, is configurable + in the hardware. + + vdd-supply: + description: An optional regulator providing core power supply + on the VDD pin, typically 1.8 V or 3.0 V. + + iovdd-supply: + description: An optional regulator providing I/O power supply + for the I2C interface on the IOVDD pin, typically 1.8 V. + This is not present on all variants of the component, some + have only the VDD voltage. + + mount-matrix: + description: An optional 3x3 mounting rotation matrix. + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + magnetometer@2e { + compatible = "yamaha,yas530"; + reg = <0x2e>; + vdd-supply = <&ldo1_reg>; + iovdd-supply = <&ldo2_reg>; + reset-gpios = <&gpio6 12 GPIO_ACTIVE_LOW>; + }; + }; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index 2735be1a8470..0340674c72bd 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1210,6 +1210,8 @@ patternProperties: description: Shenzhen Xunlong Software CO.,Limited "^xylon,.*": description: Xylon + "^yamaha,.*": + description: Yamaha Corporation "^ylm,.*": description: Shenzhen Yangliming Electronic Technology Co., Ltd. "^yna,.*": -- 2.26.2