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([2600:8803:e7e4:500:14a9:db6c:e65a:4287]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-67bc9342ad0sm6716591eaf.15.2026.03.14.11.18.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 14 Mar 2026 11:18:38 -0700 (PDT) Message-ID: Date: Sat, 14 Mar 2026 13:18:37 -0500 Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/4] dt-bindings: iio: adc: add bindings for 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: <20260313-ad4692-multichannel-sar-adc-driver-v3-0-b4d14d81a181@analog.com> <20260313-ad4692-multichannel-sar-adc-driver-v3-1-b4d14d81a181@analog.com> Content-Language: en-US From: David Lechner In-Reply-To: <20260313-ad4692-multichannel-sar-adc-driver-v3-1-b4d14d81a181@analog.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/13/26 5:07 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). > ... > + interrupts: > + description: > + Interrupt line connected to the ADC GP0 pin. GP0 must be physically > + wired to an interrupt-capable input on the SoC. The ADC asserts GP0 as > + DATA_READY at end of conversion, used both for non-offload CNV Clock Mode > + operation and for SPI Engine offload triggering via '#trigger-source-cells'. > + Not used in Manual Mode, where CNV is tied to SPI CS and no DATA_READY > + signal is generated. > + maxItems: 1 > + Some chips have 4 GP pins, so there can be up to 4 interrupts. Also, the DT bindings should not specify which event this is - it is programmable. We should just say which pin is physically wired. So interrupt-names should be "gp0", "gp1", "gp2", "gp3". It will be up to the driver to decide how it wants to use these.