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[185.246.87.17]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4256af59732sm207594485e9.11.2024.07.02.10.34.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jul 2024 10:34:07 -0700 (PDT) From: Guillaume Stols Date: Tue, 02 Jul 2024 17:34:06 +0000 Subject: [PATCH v3 2/8] dt-bindings: iio: adc: adi,ad7606: improve descriptions Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240702-cleanup-ad7606-v3-2-57fd02a4e2aa@baylibre.com> References: <20240702-cleanup-ad7606-v3-0-57fd02a4e2aa@baylibre.com> In-Reply-To: <20240702-cleanup-ad7606-v3-0-57fd02a4e2aa@baylibre.com> To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Hennerich , linux-fbdev@vger.kernel.org, devicetree@vger.kernel.org, Jonathan Cameron , Guillaume Stols , jstephan@baylibre.com, dlechner@baylibre.com X-Mailer: b4 0.14.0 Reword a few descriptions, and normalize the text width to 80 characters. Reviewed-by: Rob Herring (Arm) Signed-off-by: Guillaume Stols --- .../devicetree/bindings/iio/adc/adi,ad7606.yaml | 33 +++++++++++++--------- 1 file changed, 20 insertions(+), 13 deletions(-) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml index 32caa9fc00e4..76fd6df5f9ca 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7606.yaml @@ -36,6 +36,9 @@ properties: avcc-supply: true interrupts: + description: + The BUSY pin falling edge indicates that the conversion is over, and thus + new data is available. maxItems: 1 adi,conversion-start-gpios: @@ -48,8 +51,9 @@ properties: reset-gpios: description: Must be the device tree identifier of the RESET pin. If specified, it will - be asserted during driver probe. As the line is active high, it should be - marked GPIO_ACTIVE_HIGH. + be asserted during driver probe. On the AD7606x, as the line is active + high, it should be marked GPIO_ACTIVE_HIGH. On the AD7616, as the line is + active low, it should be marked GPIO_ACTIVE_LOW. maxItems: 1 standby-gpios: @@ -62,36 +66,39 @@ properties: adi,first-data-gpios: description: - Must be the device tree identifier of the FRSTDATA pin. The FRSTDATA + Must be the device tree identifier of the FRSTDATA pin. The FRSTDATA output indicates when the first channel, V1, is being read back on either - the parallel, byte or serial interface. As the line is active high, it + the parallel, byte or serial interface. As the line is active high, it should be marked GPIO_ACTIVE_HIGH. maxItems: 1 adi,range-gpios: description: - Must be the device tree identifier of the RANGE pin. The polarity on this + Must be the device tree identifier of the RANGE pin. The state on this pin determines the input range of the analog input channels. If this pin is tied to a logic high, the analog input range is ±10V for all channels. - If this pin is tied to a logic low, the analog input range is ±5V for all - channels. As the line is active high, it should be marked + On the AD760X, if this pin is tied to a logic low, the analog input range + is ±5V for all channels. As the line is active high, it should be marked GPIO_ACTIVE_HIGH. maxItems: 1 adi,oversampling-ratio-gpios: description: Must be the device tree identifier of the over-sampling mode pins. As the - line is active high, it should be marked GPIO_ACTIVE_HIGH. + line is active high, it should be marked GPIO_ACTIVE_HIGH. On the AD7606X + parts that support it, if all 3 pins are tied to a logic high, software + mode is enabled. maxItems: 3 adi,sw-mode: description: - Software mode of operation, so far available only for ad7616 and ad7606b. + Software mode of operation, so far available only for AD7616 and AD7606B. It is enabled when all three oversampling mode pins are connected to high - level. The device is configured by the corresponding registers. If the - adi,oversampling-ratio-gpios property is defined, then the driver will set - the oversampling gpios to high. Otherwise, it is assumed that the pins are - hardwired to VDD. + level for the AD7606B, or both the range selection are connected to high + level for the AD7616. The device is configured by the corresponding + registers. If the adi,oversampling-ratio-gpios property is defined, then + the driver will set the oversampling gpios to high. Otherwise, it is + assumed that the pins are hardwired to VDD. type: boolean required: