From: Nuno Sa Date: Tue, 6 Aug 2024 13:10:40 +0000 (+0200) Subject: ABI: debugfs-iio-ad9467: document the debugfs interface X-Git-Tag: v6.12-rc1~39^2~37^2~39 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=17a9e95c8b6cf4b747e153bfc50df647e37feda1;p=thirdparty%2Fkernel%2Flinux.git ABI: debugfs-iio-ad9467: document the debugfs interface Document the debugfs interface for the IIO ad9467 high speed ADC. Signed-off-by: Nuno Sa Link: https://patch.msgid.link/20240806-dev-ad-debugfs-doc-v1-2-153b882a3f01@analog.com Signed-off-by: Jonathan Cameron --- diff --git a/Documentation/ABI/testing/debugfs-iio-ad9467 b/Documentation/ABI/testing/debugfs-iio-ad9467 new file mode 100644 index 0000000000000..0352fca1f7f2e --- /dev/null +++ b/Documentation/ABI/testing/debugfs-iio-ad9467 @@ -0,0 +1,39 @@ +What: /sys/kernel/debug/iio/iio:deviceX/calibration_table_dump +KernelVersion: 6.11 +Contact: linux-iio@vger.kernel.org +Description: + This dumps the calibration table that was filled during the + digital interface tuning process. + +What: /sys/kernel/debug/iio/iio:deviceX/in_voltage_test_mode_available +KernelVersion: 6.11 +Contact: linux-iio@vger.kernel.org +Description: + List all the available test tones: + - off + - midscale_short + - pos_fullscale + - neg_fullscale + - checkerboard + - prbs23 + - prbs9 + - one_zero_toggle + - user + - bit_toggle + - sync + - one_bit_high + - mixed_bit_frequency + - ramp + + Note that depending on the actual device being used, some of the + above might not be available (and they won't be listed when + reading the file). + +What: /sys/kernel/debug/iio/iio:deviceX/in_voltageY_test_mode +KernelVersion: 6.11 +Contact: linux-iio@vger.kernel.org +Description: + Writing to this file will initiate one of available test tone on + channel Y. Reading it, shows which test is running. In cases + where an IIO backend is available and supports the test tone, + additional information about the data correctness is given. diff --git a/MAINTAINERS b/MAINTAINERS index ff62a4c2ce9e9..417c6751c0dcb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1316,6 +1316,7 @@ M: Nuno Sa L: linux-iio@vger.kernel.org S: Supported W: https://ez.analog.com/linux-software-drivers +F: Documentation/ABI/testing/debugfs-iio-ad9467 F: Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml F: drivers/iio/adc/ad9467.c