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[92.34.204.253]) by smtp.gmail.com with ESMTPSA id u3-20020a196003000000b0046d02774aa4sm119327lfb.37.2022.04.14.14.45.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Apr 2022 14:45:39 -0700 (PDT) From: Linus Walleij To: Johan Hovold , Rob Herring Cc: linux-kernel@vger.kernel.org, Linus Walleij , devicetree@vger.kernel.org Subject: [PATCH] dt-bindings: gnss: Add Broacom BCM4751 family bindings Date: Thu, 14 Apr 2022 23:43:37 +0200 Message-Id: <20220414214337.311880-1-linus.walleij@linaro.org> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The Broadcom BCM4751 family of (A-)GPS chips have been around for some years. The latest iteration BCM4753 is for example mounted on the Huawei HiKey970. Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij --- .../bindings/gnss/brcm,bcm4751.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/gnss/brcm,bcm4751.yaml diff --git a/Documentation/devicetree/bindings/gnss/brcm,bcm4751.yaml b/Documentation/devicetree/bindings/gnss/brcm,bcm4751.yaml new file mode 100644 index 000000000000..f06a4acf21cf --- /dev/null +++ b/Documentation/devicetree/bindings/gnss/brcm,bcm4751.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gnss/brcm,bcm4751.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM4751 family GNSS Receiver Device Tree Bindings + +maintainers: + - Johan Hovold + - Linus Walleij + +description: + Broadcom GPS chips can be used over the UART or I2C bus. The UART + bus requires CTS/RTS support. The number of the capsule is more + elaborate than the compatibles BCM4751 may be printed + BCM4751IFBG for example. + +allOf: + - $ref: gnss-common.yaml# + +properties: + compatible: + enum: + - brcm,bcm4751 + - brcm,bcm4752 + - brcm,bcm4753 + + reg: + description: + The I2C Address, not required on UART buses. + + vdd-auxin-supply: + description: + Main voltage supply, pin name VDD_AUXIN, typically connected + directly to a battery such as LiIon 3.8V battery or a 2.6V supply. + + vddio-supply: + description: + IO voltage supply, pin name VDDIO, typically 1.8V + + reset-gpios: + maxItems: 1 + description: An optional active low reset line, should be flagged with + GPIO_ACTIVE_LOW. + + enable-gpios: + description: Enable GPIO line, connected to pins named REGPU or NSTANDBY. + If the line is active low such as NSTANDBY, it should be tagged + GPIO_ACTIVE_LOW. + +required: + - compatible + - enable-gpios + +unevaluatedProperties: false + +examples: + - | + #include + serial { + gnss { + compatible = "brcm,bcm4751"; + vdd-auxin-supply = <&vbat>; + reset-gpios = <&gpio0 15 GPIO_ACTIVE_LOW>; + enable-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; + current-speed = <38400>; + }; + }; -- 2.35.1