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Tue, 9 Jul 2024 07:11:01 -0400 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Tue, 9 Jul 2024 07:11:00 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBCASHYB4.ad.analog.com (10.64.17.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Tue, 9 Jul 2024 07:11:00 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Tue, 9 Jul 2024 07:11:00 -0400 Received: from [127.0.0.1] ([10.44.3.56]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 469BAlgj032387; Tue, 9 Jul 2024 07:10:50 -0400 From: Nuno Sa Subject: [PATCH 0/9] iio: adc: ad9467: add debugFS test mode support Date: Tue, 9 Jul 2024 13:14:27 +0200 Message-ID: <20240709-dev-iio-backend-add-debugfs-v1-0-fb4b8f2373c7@analog.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAJMbjWYC/x2MQQqAMAzAviI9W5hTGPoV8TDXToswZUMRxL9bP CaEPFA4CxcYqgcyX1JkTwpNXUFYfVoYhZTBGtsZZ3okvlBkx9mHjROhJ1I3n0ssyNEFskY714I ejsxR7v8+Tu/7Ab2PMGdtAAAA To: CC: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , "Olivier Moysan" X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1720523682; l=1669; i=nuno.sa@analog.com; s=20231116; h=from:subject:message-id; bh=XPxAnVJjYCjsfPpM969/BHLwentqhjB7ycCEyRs3Kr0=; b=3aaDOQHXSeI96DNYosRS7bOqkobO6S0gT2udVwnrTQnWuTvwTIO2mqkBwXLhnEWipKJyxv7uz JAasMFtmsOYBqATLxJoiI6+LTYSXhkOuXtTzixFL34xsmXbXdV7+deS X-Developer-Key: i=nuno.sa@analog.com; a=ed25519; pk=3NQwYA013OUYZsmDFBf8rmyyr5iQlxV/9H4/Df83o1E= X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: NUi6aUjcNK04ab5VQgaI8fcZYe5Xe_TS X-Proofpoint-ORIG-GUID: NUi6aUjcNK04ab5VQgaI8fcZYe5Xe_TS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-09_02,2024-07-08_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=751 priorityscore=1501 adultscore=0 malwarescore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 impostorscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407090077 This series adds support for testing the digital interface on ad9467 using different test patterns/modes. For doing it, debugFS support for backends is also added. Notably: * backend direct reg access which is not directly needed for the ad9467 new interface but it's something useful to have (the same as IIO direct_reg_access for "normal" IIO devices) and something that I would eventually try to add anyways. * printing channel status which is useful for more verbose information about some possible failure in the test pattern. The first couple of patches are unrelated but simple enough that I placed them in this patchset. --- Nuno Sa (9): iio: backend: remove unused parameter iio: backend: print message in case op is not implemented iio: backend: add debugFs interface iio: backend: add a modified prbs23 support iio: adc: adi-axi-adc: support modified prbs23 iio: adc: adi-axi-adc: split axi_adc_chan_status() iio: adc: adi-axi-adc: implement backend debugfs interface iio: adc: ad9467: add backend test mode helpers iio: adc: ad9467: add digital interface test to debugfs drivers/iio/adc/ad9467.c | 255 +++++++++++++++++++++++++++++++++---- drivers/iio/adc/adi-axi-adc.c | 64 +++++++++- drivers/iio/dac/ad9739a.c | 3 +- drivers/iio/industrialio-backend.c | 123 +++++++++++++++++- include/linux/iio/backend.h | 21 ++- 5 files changed, 428 insertions(+), 38 deletions(-) --- base-commit: 986da024b99a72e64f6bdb3f3f0e52af024b1f50 change-id: 20240709-dev-iio-backend-add-debugfs-ef7cd2007073 -- Thanks! - Nuno Sá