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[78.94.0.51]) by smtp.gmail.com with ESMTPSA id tl19-20020a170907c31300b00a352a99b974sm4201641ejc.167.2024.01.30.03.56.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jan 2024 03:56:56 -0800 (PST) From: Naresh Solanki To: Peter Rosin , Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: mazziesaccount@gmail.com, Naresh Solanki , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3] dt-bindings: iio: afe: voltage-divider: Add io-channel-cells Date: Tue, 30 Jan 2024 17:26:50 +0530 Message-ID: <20240130115651.457800-1-naresh.solanki@9elements.com> X-Mailer: git-send-email 2.42.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" voltage-divider is always an iio consumer at the same time it is optionally an iio provider. Hence add #io-channel-cells Also update example. Signed-off-by: Naresh Solanki --- .../bindings/iio/afe/voltage-divider.yaml | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml= b/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml index dddf97b50549..98fec8548cc3 100644 --- a/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml +++ b/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml @@ -39,6 +39,13 @@ properties: description: | Channel node of a voltage io-channel. =20 + '#io-channel-cells': + description: + In addition to consuming the measurement services of a voltage output + channel the voltage divider can act as a provider of measurement + services to other devices. + const: 1 + output-ohms: description: Resistance Rout over which the output voltage is measured. See full-= ohms. @@ -75,12 +82,17 @@ examples: spi-max-frequency =3D <1000000>; }; }; - sysv { + p12v_vd: sysv { compatible =3D "voltage-divider"; io-channels =3D <&maxadc 1>; + #io-channel-cells =3D <1>; =20 /* Scale the system voltage by 22/222 to fit the ADC range. */ output-ohms =3D <22>; full-ohms =3D <222>; /* 200 + 22 */ }; + iio-hwmon { + compatible =3D "iio-hwmon"; + io-channels =3D <&p12v_vd 0>; + }; ... base-commit: 861c0981648f5b64c86fd028ee622096eb7af05a --=20 2.42.0