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Thu, 3 Apr 2025 01:34:32 -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; Thu, 3 Apr 2025 01:34:32 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) 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; Thu, 3 Apr 2025 01:34:32 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Thu, 3 Apr 2025 01:34:32 -0400 Received: from [10.0.2.15] (KPALLER2-L03.ad.analog.com [10.116.18.50]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 5335YHaU007295; Thu, 3 Apr 2025 01:34:20 -0400 From: Kim Seer Paller Subject: [PATCH v3 0/3] Add driver for AD3530R and AD3531R DACs Date: Thu, 3 Apr 2025 13:33:54 +0800 Message-ID: <20250403-togreg-v3-0-d4b06a4af5a9@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=H4sIAMId7mcC/2WMywrCMBBFf0VmbSQzfdi68j/ERUgmaUAbSUpQS v/dtAtRXJ7LPWeGxNFzgtNuhsjZJx/GAtV+B3pQo2PhTWEgSY2ssBdTcJGdsLpVUtm+RTZQzo/ I1j+30OVaePBpCvG1dTOu618io5DCdFTXqpFkSZ/VqG7BHXS4w9rI9OVR/fGoeJYQzbHDnir+8 ZZleQM6GZOh1QAAAA== X-Change-ID: 20250319-togreg-fc6a0af961ed To: Jonathan Cameron , Lars-Peter Clausen , Michael Hennerich , Rob Herring , Krzysztof Kozlowski , Conor Dooley CC: , , , Kim Seer Paller X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1743658457; l=2595; i=kimseer.paller@analog.com; s=20250213; h=from:subject:message-id; bh=+KgRRrVkhdEH83dWq8VuVTcakbsmjiUG2cFGm5+d/H4=; b=dFul9Ito//sa9NmAdrXKeUKcbYmSrkkZ9IzoF2VwgC3C2QvXsv2V5yvZX5pBLJeKPqfIkV0aE ds6CvXX5SkeAeVZHbwnFtUl/Gl/+nrRtebai0n/f3NB4P8XUy9tgetf X-Developer-Key: i=kimseer.paller@analog.com; a=ed25519; pk=SPXIwGLg4GFKUNfuAavY+YhSDsx+Q+NwGLceiKwm8Ac= X-ADIRuleOP-NewSCL: Rule Triggered X-Authority-Analysis: v=2.4 cv=KqVN2XWN c=1 sm=1 tr=0 ts=67ee1dea cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=VwQbUJbxAAAA:8 a=gAnH3GRIAAAA:8 a=ABwU-0_bCvWcPI1q2z4A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: id4XuffdJ6nnyzGHI1qRR1dlgGp0X86V X-Proofpoint-ORIG-GUID: id4XuffdJ6nnyzGHI1qRR1dlgGp0X86V X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-03_01,2025-04-02_03,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 lowpriorityscore=0 bulkscore=0 phishscore=0 impostorscore=0 malwarescore=0 clxscore=1015 mlxlogscore=999 adultscore=0 mlxscore=0 priorityscore=1501 suspectscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504030027 The AD3530/AD3530R (8-channel) and AD3531/AD3531R (4-channel) are low-power, 16-bit, buffered voltage output DACs with software- programmable gain controls, providing full-scale output spans of 2.5V or 5V for reference voltages of 2.5V. These devices operate from a single 2.7V to 5.5V supply and are guaranteed monotonic by design. The "R" variants include a 2.5V, 5ppm/°C internal reference, which is disabled by default. The AD3531R/AD3531 is not yet released, so the only available datasheet for now is the AD3530R/AD3530. The only differences between the two is the number of channels, and register addresses of some registers. Signed-off-by: Kim Seer Paller --- Changes in v3: - Drop ABI docs. Bindings: - Drop reviewer's tag. - Update commit message. - Add non-r variants to compatible list. - Add io-channels property to enable ADC channel support for MUXOUT readings. - Switch to unevaluatedProperties: false. ad3530r: - Update commit message. - Drop spi field from ad3530r_state and use regmap to retrieve the device pointer. - Update mutex lock comment and use devm_mutex_init(). - Fix LDAC gpio pulse logic. - Replace usleep_range() with fsleep(). - Use sizeof(reg_val) instead of hardcoded value in regmap_bulk_read. - Drop reporting of zero offset. - Add internal_ref_support chip_info parameter and modify reference handling. - Link to v2: https://lore.kernel.org/r/20250324-togreg-v2-0-f211d781923e@analog.com Changes in v2: Bindings: - Updated commit message. - Changed adi,double-output-range to adi,range-double property. ad3530r: - Changed data type to __be16 to resolve sparse warnings related to type mismatches. - Link to v1: https://lore.kernel.org/r/20250319-togreg-v1-0-d8244a502f2c@analog.com --- Kim Seer Paller (3): iio: ABI: add new DAC powerdown mode dt-bindings: iio: dac: Add adi,ad3530r.yaml iio: dac: ad3530r: Add driver for AD3530R and AD3531R Documentation/ABI/testing/sysfs-bus-iio | 2 + .../devicetree/bindings/iio/dac/adi,ad3530r.yaml | 99 ++++ MAINTAINERS | 8 + drivers/iio/dac/Kconfig | 11 + drivers/iio/dac/Makefile | 1 + drivers/iio/dac/ad3530r.c | 514 +++++++++++++++++++++ 6 files changed, 635 insertions(+) --- base-commit: 8dbeb413806f9f810d97d25284f585b201aa3bdc change-id: 20250319-togreg-fc6a0af961ed Best regards,