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[78.94.0.51]) by smtp.gmail.com with ESMTPSA id h14-20020a17090634ce00b00a35a11fd795sm2559079ejb.129.2024.01.30.03.18.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jan 2024 03:18:38 -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 v2] dt-bindings: iio: afe: voltage-divider: Add io-channel-cells Date: Tue, 30 Jan 2024 16:48:29 +0530 Message-ID: <20240130111830.4016002-1-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 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789514856373462761 X-GMAIL-MSGID: 1789514856373462761 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(-) base-commit: 861c0981648f5b64c86fd028ee622096eb7af05a diff --git a/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml b/Documentation/devicetree/bindings/iio/afe/voltage-divider.yaml index dddf97b50549..09f10d7c4e02 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. + '#io-channel-cells': + description: + In addition to consuming the measurement services of an ADC, + the voltage divider can act as an 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 = <1000000>; }; }; - sysv { + p12v_vd: sysv { compatible = "voltage-divider"; io-channels = <&maxadc 1>; + #io-channel-cells = <1>; /* Scale the system voltage by 22/222 to fit the ADC range. */ output-ohms = <22>; full-ohms = <222>; /* 200 + 22 */ }; + iio-hwmon { + compatible = "iio-hwmon"; + io-channels = <&p12v_vd 0>; + }; ...