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[80.116.51.117]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-447f1ef0b20sm109837585e9.14.2025.05.22.06.29.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 May 2025 06:29:45 -0700 (PDT) From: Angelo Dureghello X-Google-Original-From: Angelo Dureghello Date: Thu, 22 May 2025 15:27:02 +0200 Subject: [PATCH v6 1/6] Documentation: ABI: IIO: add calibconv_delay documentation 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 Message-Id: <20250522-wip-bl-ad7606-calibration-v6-1-487b90433da0@baylibre.com> References: <20250522-wip-bl-ad7606-calibration-v6-0-487b90433da0@baylibre.com> In-Reply-To: <20250522-wip-bl-ad7606-calibration-v6-0-487b90433da0@baylibre.com> To: Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Lars-Peter Clausen , Michael Hennerich , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Hennerich , devicetree@vger.kernel.org, Angelo Dureghello X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1861; i=adureghello@baylibre.com; h=from:subject:message-id; bh=MnikOzSRNNhylv/Xr1wy9eMKECvl3Lvhp3h+t82FVuA=; b=owGbwMvMwCXGf3bn1e/btlsznlZLYsjQV/PsPPz4yyt1d0XL9WesOP3nzfLqn///Zqeg41ql9 VqLcm7yd5SyMIhxMciKKbLUJUaYhN4OlVJewDgbZg4rE8gQBi5OAZjIPSWGv3LtbmferXqZPzGf 63++a4TZk2QX97OSpeeY702ewS+R0M3I8Jj772/BPzc2T1S55Xozf3o4+77PCfeUXPZd+p396PN 8Pk4A X-Developer-Key: i=adureghello@baylibre.com; a=openpgp; fpr=703CDFAD8B573EB00850E38366D1CB9419AF3953 From: Angelo Dureghello Add new IIO calibconv_delay documentation. The ad7606 implements a phase calibation feature, in nanoseconds. Being this a time delay, using the conv_delay suffix. Signed-off-by: Angelo Dureghello --- Documentation/ABI/testing/sysfs-bus-iio | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/te= sting/sysfs-bus-iio index ef52c427a015cf47bb9847782e13afbee01e9f31..cd79c036b2ccdea016dcc17f4e8= ac5fdb2d0e465 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -559,6 +559,30 @@ Description: - a small discrete set of values like "0 2 4 6 8" - a range specified as "[min step max]" =20 +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_convdelay +KernelVersion: 6.16 +Contact: linux-iio@vger.kernel.org +Description: + Delay of start of conversion from common reference point shared + by all channels. Can be writable when used to compensate for + delay variation introduced by external filters feeding a + simultaneous sampling ADC. + + I.e., for the ad7606 ADC series, this value is intended as a + configurable time delay in seconds, to correct delay introduced + by an optional external filtering circuit. + +What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_convdelay_available +KernelVersion: 6.16 +Contact: linux-iio@vger.kernel.org +Description: + Available values of convdelay. Maybe expressed as: + + - a range specified as "[min step max]" + + If shared across all channels, _calibconv_delay_available + is used. + What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibscale --=20 2.49.0