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([103.187.64.30]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3475e952efbsm6903483a91.1.2025.11.30.07.37.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Nov 2025 07:37:38 -0800 (PST) From: Shrikant Raskar To: jic23@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, heiko@sntech.de, neil.armstrong@linaro.org, skhan@linuxfoundation.org, david.hunter.linux@gmail.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Shrikant Raskar Subject: [PATCH v2 1/4] dt-bindings: iio: proximity: Add RF Digital RFD77402 ToF sensor Date: Sun, 30 Nov 2025 21:07:09 +0530 Message-ID: <20251130153712.6792-2-raskar.shree97@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251130153712.6792-1-raskar.shree97@gmail.com> References: <20251130153712.6792-1-raskar.shree97@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The RF Digital RFD77402 is a Time-of-Flight (ToF) proximity and distance sensor that provides absolute and highly accurate distance measurements from 100 mm up to 2000 mm over an I=C2=B2C interface. It includes an option= al interrupt pin that signals when new measurement data is ready. Signed-off-by: Shrikant Raskar Reviewed-by: Krzysztof Kozlowski --- Changelog: Changes since v1: - Fix patch heading - Fix commit message - Remove '|' from description - Update interrupt description - Add 'vdd-supply' to required - Add 'vdd-supply' to example Link to v1:https://lore.kernel.org/all/20251126031440.30065-2-raskar.shree9= 7@gmail.com/ --- .../iio/proximity/rfdigital,rfd77402.yaml | 53 +++++++++++++++++++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + 2 files changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/proximity/rfdigit= al,rfd77402.yaml diff --git a/Documentation/devicetree/bindings/iio/proximity/rfdigital,rfd7= 7402.yaml b/Documentation/devicetree/bindings/iio/proximity/rfdigital,rfd77= 402.yaml new file mode 100644 index 000000000000..1ef6326b209e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/proximity/rfdigital,rfd77402.ya= ml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/proximity/rfdigital,rfd77402.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: RF Digital RFD77402 ToF sensor + +maintainers: + - Shrikant Raskar + +description: + The RF Digital RFD77402 is a Time-of-Flight (ToF) proximity and distance + sensor providing up to 200 mm range measurement over an I2C interface. + +properties: + compatible: + const: rfdigital,rfd77402 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + description: + Interrupt asserted when a new distance measurement is available. + + vdd-supply: + description: Regulator that provides power to the sensor. + +required: + - compatible + - reg + - vdd-supply + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + proximity@4c { + compatible =3D "rfdigital,rfd77402"; + reg =3D <0x4c>; + vdd-supply =3D <&vdd_3v3>; + interrupt-parent =3D <&gpio>; + interrupts =3D <4 IRQ_TYPE_EDGE_FALLING>; + }; + }; +... diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Docum= entation/devicetree/bindings/vendor-prefixes.yaml index f1d1882009ba..a2e113e29e37 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -1341,6 +1341,8 @@ patternProperties: description: Revolution Robotics, Inc. (Revotics) "^rex,.*": description: iMX6 Rex Project + "^rfdigital,.*": + description: RF Digital Corporation "^richtek,.*": description: Richtek Technology Corporation "^ricoh,.*": --=20 2.43.0