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Fri, 17 Jul 2026 16:52:48 -0700 (PDT) X-Received: by 2002:a17:902:d2d2:b0:2cc:fd6c:c5c9 with SMTP id d9443c01a7336-2cf348961ecmr54352565ad.4.1784332368141; Fri, 17 Jul 2026 16:52:48 -0700 (PDT) Received: from jic23-huawei ([50.35.46.84]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2cf3448ee37sm18828825ad.14.2026.07.17.16.52.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Jul 2026 16:52:47 -0700 (PDT) Date: Sat, 18 Jul 2026 00:52:42 +0100 From: Jonathan Cameron To: Stefan Popa Cc: , , , Subject: Re: [PATCH v4 1/2] dt-bindings: iio: adc: add maxim,max40080 Message-ID: <20260718005229.5793795a@jic23-huawei> In-Reply-To: <20260717123852.1140893-2-stefan.popa@analog.com> References: <20260717123852.1140893-1-stefan.popa@analog.com> <20260717123852.1140893-2-stefan.popa@analog.com> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: 1d3sfzLqIZFCUHydL2dYmGX8Eh7Bzq-l X-Proofpoint-GUID: 1d3sfzLqIZFCUHydL2dYmGX8Eh7Bzq-l X-Authority-Analysis: v=2.4 cv=ZKDnX37b c=1 sm=1 tr=0 ts=6a5ac051 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=qC1CW/w66vtJz1P9yTJxNA==:17 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=gAnH3GRIAAAA:8 a=Eq6eYOmURhmhu4GIWB0A:9 a=CjuIK1q_8ugA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE3MDI0NSBTYWx0ZWRfX5GRRKTALJbhf hKqor320hnxhVw2v9+j0hshiXNYBS+/cOFsxJP3uvsdtrePkQPT5nEp4YEpWjEx+uanREoGUfNR y2Taw4wu4PfnjYTFO+/NXj+RkHHmhY8fDgUvu2om26kOQ0894Z14cDHowQU0S/H287zki4SpjIh RANz9ICzFS/iUVVjPI+pwhHjV6W4eCNK9Ei6oUihIQgXUQeX6ENe0dYUrb+91sZh5LVs9Kehmd3 5HR1HXqqrP7t8AOw+BJn1SWW9TjQ7NurW2Uia5KlY5dL/ySMLj5GMTpxgssyPc4jfmDs+h4jCCG dZvlEdq5oIKdzlxJAtRwewaFbALDq6GIe9YKvVyHE4VikueqK5T4a6H4JeSXeDsMIgGOLPI1yRi Xf2KetbzEoxDWt4+T1YtOYOgagGO6lubNGjrUwl4796UWxq422S+rRntC7ZbIyjs/0Go+NAWVAM 4Pv2P81oE+Gdsu8CpnA== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE3MDI0NSBTYWx0ZWRfX81LWdwlgbcGK sfPjmMsThMkOszuCx9weTwFZ+9VRP47goaahOu6co4zdxIAU/rIwKktYrMuz/MB9Az52CdGCOpV 8l4BBt9jZ5BhDSm5ilPTr7vFEUL5XFQ= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-17_07,2026-07-17_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 suspectscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 impostorscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607170245 On Fri, 17 Jul 2026 15:38:48 +0300 Stefan Popa wrote: > Add device tree bindings for the Maxim MAX40080 bidirectional > current-sense amplifier with a 12-bit ADC and an I2C/SMBus interface. > > Signed-off-by: Stefan Popa Hi Stefan, > --- > .../bindings/iio/adc/maxim,max40080.yaml | 64 +++++++++++++++++++ > MAINTAINERS | 8 +++ > 2 files changed, 72 insertions(+) > create mode 100644 Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml > > diff --git a/Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml b/Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml > new file mode 100644 > index 0000000000000..3b367071b5d3f > --- /dev/null > +++ b/Documentation/devicetree/bindings/iio/adc/maxim,max40080.yaml ... > + > + shunt-resistor-micro-ohms: > + description: > + Value of the current-sense shunt resistor connected between the IN+ and > + IN- inputs. Used to scale the reported current. How useful is the device if we don't know what value this takes? For a current sense amplifier I'd kind of expect the shunt resistance to be required. > + > +required: > + - compatible > + - reg > + - vdd-supply > + > +additionalProperties: false > + > +examples: > + - | > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + adc@20 { > + compatible = "maxim,max40080"; > + reg = <0x20>; > + vdd-supply = <&vdd_3v3>; > + #io-channel-cells = <1>; > + shunt-resistor-micro-ohms = <100000>; > + }; > + };