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([2600:8803:e7e4:500:9458:d356:778c:22ac]) by smtp.gmail.com with ESMTPSA id 5614622812f47-4875dfb2d32sm6991645b6e.15.2026.06.17.15.04.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Jun 2026 15:04:28 -0700 (PDT) Message-ID: <76d39d2a-051d-4706-8433-3d3eb97e7f2a@baylibre.com> Date: Wed, 17 Jun 2026 17:04:27 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/5] dt-bindings: iio: adc: Add ltc2378 To: Marcelo Schmitt , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: jic23@kernel.org, nuno.sa@analog.com, Michael.Hennerich@analog.com, andy@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, pop.ioan-daniel@analog.com, marcelo.schmitt1@gmail.com References: Content-Language: en-US From: David Lechner In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 6/16/26 9:03 PM, Marcelo Schmitt wrote: > Document how to describe LTC2378-20 and similar ADCs in device tree. > ... > + vdd-supply: > + description: A 2.5V supply that powers the chip (VDD). > + > + ovdd-supply: > + description: > + A 1.71V to 5.25V supply that sets the logic level for digital interface. > + > + ref-supply: > + description: > + A 2.5V to 5.1V supply for the reference input (REF). > + > + cnv-gpios: > + description: > + When provided, this property indicates the GPIO that is connected to the > + CNV pin. > + maxItems: 1 Missing pwms property for when CNV pin is connected to PWM. > + > + interrupts: > + description: > + Interrupt for signaling the completion of conversion results. The active > + low signal provided on the BUSY pin asserts when ADC conversions finish. > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - vdd-supply > + - ovdd-supply > + - ref-supply I only looked at LTC2338-18, but it has a REFIN, which is optional. Nothing named REF that is required.