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([2600:8803:e7e4:500:8e89:f58e:e4e6:5567]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-41c149103b0sm4635730fac.5.2026.03.21.09.11.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 21 Mar 2026 09:11:17 -0700 (PDT) Message-ID: <486fe1c2-3734-43ea-b7cd-7bbba2eeb891@baylibre.com> Date: Sat, 21 Mar 2026 11:11:16 -0500 Precedence: bulk X-Mailing-List: linux-pwm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/4] dt-bindings: iio: adc: add AD4691 family To: radu.sabau@analog.com, Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , =?UTF-8?Q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= , Liam Girdwood , Mark Brown , Linus Walleij , Bartosz Golaszewski , Philipp Zabel Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, linux-gpio@vger.kernel.org References: <20260320-ad4692-multichannel-sar-adc-driver-v4-0-052c1050507a@analog.com> <20260320-ad4692-multichannel-sar-adc-driver-v4-1-052c1050507a@analog.com> Content-Language: en-US From: David Lechner In-Reply-To: <20260320-ad4692-multichannel-sar-adc-driver-v4-1-052c1050507a@analog.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/20/26 6:03 AM, Radu Sabau via B4 Relay wrote: > From: Radu Sabau > > Add DT bindings for the Analog Devices AD4691 family of multichannel > SAR ADCs (AD4691, AD4692, AD4693, AD4694). > ... > +allOf: > + # ref-supply and refin-supply are mutually exclusive, one is required > + - oneOf: > + - required: > + - ref-supply > + - required: > + - refin-supply > + > + # CNV Burst Mode (pwms present) without SPI offload requires a DRDY interrupt. > + # Offload configurations expose '#trigger-source-cells' instead. This sounds like a current driver limitation, not a wiring limitation. So doesn't belong in the devicetree. A driver could use e.g. timer wait for the conversion instead of an interrupt. > + - if: > + required: > + - pwms > + not: > + required: > + - '#trigger-source-cells' > + then: > + required: > + - interrupts > +