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([2600:8803:e7e4:500:f242:ecd6:f61e:d764]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-4472f0e7219sm20483187fac.17.2026.06.28.10.22.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 28 Jun 2026 10:22:53 -0700 (PDT) Message-ID: Date: Sun, 28 Jun 2026 12:22:52 -0500 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 7/7] iio: adc: Add ti-ads1263-adc2 driver To: Kurt Borja , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: =?UTF-8?Q?Nuno_S=C3=A1?= , Andy Shevchenko , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260628-ads126x-v2-0-4b1b231325ba@gmail.com> <20260628-ads126x-v2-7-4b1b231325ba@gmail.com> Content-Language: en-US From: David Lechner In-Reply-To: <20260628-ads126x-v2-7-4b1b231325ba@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 6/28/26 12:36 AM, Kurt Borja wrote: > The TI ADS1263 embeds a second 24-bit delta-sigma ADC (ADC2) with its > own input mux, reference, gain and sample-rate selection. > > Model ADC2 as a separate IIO device on the auxiliary bus: the ti-ads1262 > SPI driver instantiates the auxiliary device and exports a small set of > TI_ADS1262-namespaced helpers for the conversion and register accesses > that must go through the shared bus. ADC2 channels are derived from the > parent's configured channels. > Can these just be additional channels in the main iio device rather than a separate iio device?