[PATCH v9 01/17] iio: ABI: add attributes for altcurrent channels

From: Rodrigo Alencar via B4 Relay

Date: Wed Jul 22 2026 - 12:21:21 EST


From: Rodrigo Alencar <rodrigo.alencar@xxxxxxxxxx>

Add attributes applicable to altcurrent channels, e.g., frequency, phase,
scale, raw, label and powerdown. Those are going to be used by a DDS
device to be introduced shortly.

Signed-off-by: Rodrigo Alencar <rodrigo.alencar@xxxxxxxxxx>
---
Documentation/ABI/testing/sysfs-bus-iio | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 5cc2e82c4997..3e75ce1c97c6 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -478,6 +478,10 @@ 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
What: /sys/bus/iio/devices/iio:deviceX/in_current_q_scale
+What: /sys/bus/iio/devices/iio:deviceX/in_altcurrentY_scale
+What: /sys/bus/iio/devices/iio:deviceX/in_altcurrent_scale
+What: /sys/bus/iio/devices/iio:deviceX/out_altcurrentY_scale
+What: /sys/bus/iio/devices/iio:deviceX/out_altcurrent_scale
What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale
What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale
What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale
@@ -799,6 +803,8 @@ What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown
What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown
+What: /sys/bus/iio/devices/iio:deviceX/out_altcurrentY_powerdown
+What: /sys/bus/iio/devices/iio:deviceX/out_altcurrent_powerdown
KernelVersion: 2.6.38
Contact: linux-iio@xxxxxxxxxxxxxxx
Description:
@@ -809,6 +815,7 @@ Description:
together.

What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency
+What: /sys/bus/iio/devices/iio:deviceX/out_altcurrentY_frequency
KernelVersion: 3.4.0
Contact: linux-iio@xxxxxxxxxxxxxxx
Description:
@@ -835,8 +842,10 @@ Description:
all the other channels, since it involves changing the VCO
fundamental output frequency.

+What: /sys/bus/iio/devices/iio:deviceX/in_altcurrentY_phase
What: /sys/bus/iio/devices/iio:deviceX/in_altvoltageY_i_phase
What: /sys/bus/iio/devices/iio:deviceX/in_altvoltageY_q_phase
+What: /sys/bus/iio/devices/iio:deviceX/out_altcurrentY_phase
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_i_phase
What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_q_phase
@@ -850,6 +859,7 @@ Description:
channel.

What: /sys/bus/iio/devices/iio:deviceX/out_currentY_raw
+What: /sys/bus/iio/devices/iio:deviceX/out_altcurrentY_raw
Date: May 2012
KernelVersion: 3.5
Contact: Johan Hovold <jhovold@xxxxxxxxx>
@@ -1736,6 +1746,7 @@ Description:

What: /sys/bus/iio/devices/iio:deviceX/in_currentY_raw
What: /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_raw
+What: /sys/bus/iio/devices/iio:deviceX/in_altcurrentY_raw
KernelVersion: 3.17
Contact: linux-iio@xxxxxxxxxxxxxxx
Description:
@@ -2126,7 +2137,9 @@ Description:

Raw counter device counters direction for channel Y.

+What: /sys/bus/iio/devices/iio:deviceX/in_altcurrentY_label
What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_label
+What: /sys/bus/iio/devices/iio:deviceX/out_altcurrentY_label
What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_label
KernelVersion: 5.8
Contact: linux-iio@xxxxxxxxxxxxxxx

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2.43.0