[PATCH v10 02/17] iio: ABI: raw, scale and offset for frequency/phase channels
Rodrigo Alencar via B4 Relay <[email protected]> Wed, 29 Jul 2026 09:25:29 +0100
| Newsgroups | org.kernel.vger.linux-hardening,org.kernel.feeds.b4-sent,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-doc,org.kernel.vger.linux-iio,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
From: Rodrigo Alencar <[email protected]> Consider scale and offset attributes for frequency and phase channels. Frequency channels are going to be introduced later alongside a DDS device driver which is going to leverage those new attributes. Signed-off-by: Rodrigo Alencar <[email protected]> --- Documentation/ABI/testing/sysfs-bus-iio | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 3e75ce1c97c6..24712b5bd110 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -441,6 +441,14 @@ What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_offset What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_offset What: /sys/bus/iio/devices/iio:deviceX/in_currentY_offset What: /sys/bus/iio/devices/iio:deviceX/in_current_offset +What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_offset +What: /sys/bus/iio/devices/iio:deviceX/in_phase_offset +What: /sys/bus/iio/devices/iio:deviceX/out_phaseY_offset +What: /sys/bus/iio/devices/iio:deviceX/out_phase_offset +What: /sys/bus/iio/devices/iio:deviceX/in_frequencyY_offset +What: /sys/bus/iio/devices/iio:deviceX/in_frequency_offset +What: /sys/bus/iio/devices/iio:deviceX/out_frequencyY_offset +What: /sys/bus/iio/devices/iio:deviceX/out_frequency_offset What: /sys/bus/iio/devices/iio:deviceX/in_tempY_offset What: /sys/bus/iio/devices/iio:deviceX/in_temp_offset What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_offset @@ -474,6 +482,14 @@ What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_scale What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale +What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_scale +What: /sys/bus/iio/devices/iio:deviceX/in_phase_scale +What: /sys/bus/iio/devices/iio:deviceX/out_phaseY_scale +What: /sys/bus/iio/devices/iio:deviceX/out_phase_scale +What: /sys/bus/iio/devices/iio:deviceX/in_frequencyY_scale +What: /sys/bus/iio/devices/iio:deviceX/in_frequency_scale +What: /sys/bus/iio/devices/iio:deviceX/out_frequencyY_scale +What: /sys/bus/iio/devices/iio:deviceX/out_frequency_scale What: /sys/bus/iio/devices/iio:deviceX/in_currentY_scale What: /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_scale What: /sys/bus/iio/devices/iio:deviceX/in_current_scale @@ -2149,6 +2165,22 @@ Description: specific attributes. This is useful for userspace to be able to better identify an individual channel. +What: /sys/bus/iio/devices/iio:deviceX/in_frequencyY_raw +KernelVersion: 7.3 +Contact: [email protected] +Description: + Raw (unscaled) frequency reading from channel Y. + Units after application of scale and offset are Hz. + +What: /sys/bus/iio/devices/iio:deviceX/out_frequencyY_raw +KernelVersion: 7.3 +Contact: [email protected] +Description: + Raw (unscaled, no bias etc.) output frequency for channel Y. + The number must always be specified and unique if the output + corresponds to a single channel. Units after application of + scale and offset are Hz. + What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw KernelVersion: 4.18 Contact: [email protected] @@ -2156,6 +2188,15 @@ Description: Raw (unscaled) phase difference reading from channel Y. Units after application of scale and offset are radians. +What: /sys/bus/iio/devices/iio:deviceX/out_phaseY_raw +KernelVersion: 7.3 +Contact: [email protected] +Description: + Raw (unscaled, no bias etc.) output phase for channel Y. + The number must always be specified and unique if the output + corresponds to a single channel. Units after application of + scale and offset are radians. + What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm1_input What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm1_input What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm2p5_input -- 2.43.0