linux-kernel - [PATCH v2 5/5] Documentation: ABI: iio: adc: add ade9000 ABI

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Message-ID: <20250721112455.23948-5-antoniu.miclaus@analog.com>
Date: Mon, 21 Jul 2025 14:24:45 +0300
From: Antoniu Miclaus <antoniu.miclaus@...log.com>
To: <jic23@...nel.org>, <robh@...nel.org>, <conor+dt@...nel.org>,
        <devicetree@...r.kernel.org>, <linux-iio@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: Antoniu Miclaus <antoniu.miclaus@...log.com>
Subject: [PATCH v2 5/5] Documentation: ABI: iio: adc: add ade9000 ABI

Add sysfs ABI documentation for the ADE9000 ADC driver,
documenting the device-specific attributes and interfaces.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@...log.com>
---
 new in v2.
 .../ABI/testing/sysfs-bus-iio-adc-ade9000     | 64 +++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-bus-iio-adc-ade9000

diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ade9000 b/Documentation/ABI/testing/sysfs-bus-iio-adc-ade9000
new file mode 100644
index 000000000000..fa92fd67483f
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-ade9000
@@ -0,0 +1,64 @@
+What:		/sys/bus/iio/devices/iio:deviceX/wf_cap_en
+KernelVersion:	6.13
+Contact:	linux-iio@...r.kernel.org
+Description:
+		Enable fixed data rate for waveform buffer instead of resampled data.
+		When enabled (1), the waveform buffer uses a fixed data rate.
+		When disabled (0), the waveform buffer uses resampled data.
+
+		This attribute is shared by all channels and represents a device-wide
+		setting that affects the entire waveform buffer configuration.
+		Changes immediately update the hardware configuration.
+
+		Reading: Returns current setting (0 or 1)
+		Writing: Accepts 0, 1
+
+What:		/sys/bus/iio/devices/iio:deviceX/wf_mode
+KernelVersion:	6.13
+Contact:	linux-iio@...r.kernel.org
+Description:
+		Waveform buffer filling and trigger mode configuration.
+
+		Valid values:
+		0 - Stop when waveform buffer is full
+		1 - Continuous fill, stop only on enabled trigger events
+		2 - Continuous filling, center capture around enabled trigger events
+		3 - Streaming mode
+
+		This attribute is shared by all channels and represents a device-wide
+		setting that affects the entire waveform buffer configuration.
+		Changes immediately update the hardware configuration.
+
+		Reading: Returns current mode (0-3)
+		Writing: Accepts values 0, 1, 2, or 3
+
+What:		/sys/bus/iio/devices/iio:deviceX/wf_in_en
+KernelVersion:	6.13
+Contact:	linux-iio@...r.kernel.org
+Description:
+		Enable IN waveform samples readout from waveform buffer.
+		When enabled (1), IN waveform samples are included in buffer readout.
+		When disabled (0), IN waveform samples are excluded from buffer readout.
+
+		This attribute is shared by all channels and represents a device-wide
+		setting that affects the entire waveform buffer configuration.
+		Changes immediately update the hardware configuration.
+
+		Reading: Returns current setting (0 or 1)
+		Writing: Accepts 0, 1
+
+What:		/sys/bus/iio/devices/iio:deviceX/egy_time
+KernelVersion:	6.13
+Contact:	linux-iio@...r.kernel.org
+Description:
+		Energy accumulation time setting for energy registers.
+		This value configures the time period over which energy
+		measurements are accumulated in the ADE9000 device.
+
+		This attribute is shared by all channels and represents a device-wide
+		setting that affects energy accumulation across all phases.
+		Changes immediately update the hardware configuration.
+
+		Reading: Returns current energy accumulation time value
+		Writing: Accepts any valid 32-bit unsigned integer value
+
-- 
2.49.0