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Fri, 29 May 2026 10:14:24 -0400 From: Antoniu Miclaus To: =?UTF-8?q?Nuno=20S=C3=A1?= , Michael Hennerich , Antoniu Miclaus , Jonathan Cameron , David Lechner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , CC: Conor Dooley Subject: [PATCH v2 1/2] dt-bindings: iio: adc: ad4080: add AD4884 support Date: Fri, 29 May 2026 17:13:52 +0300 Message-ID: <20260529141353.8492-2-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260529141353.8492-1-antoniu.miclaus@analog.com> References: <20260529141353.8492-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: 3xjM2n8VOb9ksWuRsSmO0o5u_3yRyf-2 X-Proofpoint-ORIG-GUID: 3xjM2n8VOb9ksWuRsSmO0o5u_3yRyf-2 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTI5MDE0MiBTYWx0ZWRfX3ZJRZ7jEHFUG BiVJJm633CulUZghLeiAlzDRG0ityKl109786RVgvrwS75/HMFM3J0i1r5beHmi7WdEWHGSi6fj lwaL2Pu1+0DoYjh6JeJ+5aFWSxD6U7BPSSly9NQvPBm1iYwUK241NY0zRmkHZetsNdqhtpFU40h VZ/pOY1E1+xCJm7XWmLUPNe+MfOhFuz7pGiqJxPCNR0TptNtaIFv76226bP8CaIQBvlB9JnkW5m gODfa/+eX3Nxen5ttPF0/cYX0RgLlNDf8/D5vhwAwO+QopGS0lUDsRVfMVZecsEz+FOHxCYDUQh XMuXxk6DYwQxDLFvLRCHkBR10C2vAGxByMQxNwrDWmVFsmiiiqafOtw1syNwhb1DHjtn82OlYKK Oa0TkC7nc0KJokDRWHhH1KxhTkgzLyKSKsdlKWP2mwcPIV+WStt38mMa9WKpazjMuIEVKc1prHr 3U3FR3kCqs85S1Ye7Qw== X-Authority-Analysis: v=2.4 cv=Bt+tB4X5 c=1 sm=1 tr=0 ts=6a199f49 cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=0sLvza09kfJOxVLZPwjg:22 a=uXIjobp8t2wMuQ0fPvqm:22 a=XYAwZIGsAAAA:8 a=gAnH3GRIAAAA:8 a=w5vykfj34SSMQZsSxmwA:9 a=E8ToXWR_bxluHZ7gmE-Z:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-05-29_04,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 clxscore=1015 spamscore=0 bulkscore=0 adultscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2605290142 Add AD4884 compatible string to the AD4080 devicetree binding. The AD4884 is a dual-channel, 16-bit, 40 MSPS SAR ADC, sharing the same register map and interface as the AD4080 family. Like the AD4880, it requires two SPI chip selects and two io-backends for its independent ADC channels. The AD4884 differs from the AD4880 in resolution (16-bit vs 20-bit), which requires distinct channel configuration in the driver, precluding a fallback compatible. Acked-by: Conor Dooley Signed-off-by: Antoniu Miclaus --- Changes in v2: - Add rationale for no fallback compatible in commit message. - Collect Acked-by tag. Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml index 9c6a56c7c8ef..4a3f7d3e05c3 100644 --- a/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml +++ b/Documentation/devicetree/bindings/iio/adc/adi,ad4080.yaml @@ -39,6 +39,7 @@ properties: - adi,ad4087 - adi,ad4088 - adi,ad4880 + - adi,ad4884 reg: minItems: 1 @@ -99,7 +100,9 @@ allOf: properties: compatible: contains: - const: adi,ad4880 + enum: + - adi,ad4880 + - adi,ad4884 then: properties: reg: -- 2.43.0