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([2600:8803:e7e4:500:d404:301b:b985:c499]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-656c57ec231sm8495588eaf.17.2025.11.12.08.52.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Nov 2025 08:52:35 -0800 (PST) Message-ID: Date: Wed, 12 Nov 2025 10:52:34 -0600 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 1/6] dt-bindings: spi: Add spi-buses property To: Mark Brown Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Marcelo Schmitt , Michael Hennerich , =?UTF-8?Q?Nuno_S=C3=A1?= , Jonathan Cameron , Andy Shevchenko , Sean Anderson , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org References: <20251014-spi-add-multi-bus-support-v1-0-2098c12d6f5f@baylibre.com> <20251014-spi-add-multi-bus-support-v1-1-2098c12d6f5f@baylibre.com> <20251021142129.GA34073-robh@kernel.org> <14ae0769-341b-4325-b925-7bba6d57bbdf@baylibre.com> <20251030135126.GA3749313-robh@kernel.org> Content-Language: en-US From: David Lechner In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/10/25 11:04 AM, Mark Brown wrote: > On Thu, Oct 30, 2025 at 05:42:44PM -0500, David Lechner wrote: >> On 10/30/25 8:51 AM, Rob Herring wrote: > >>> But it can't really be 2 independent buses/controllers unless the ADC >>> has 2 completely independent interfaces, right? > >> Correct. > >> The proposed property really only concerns the data lines (tx/rx). It doesn't >> care if there is 1 or 2 SCLK lines and it doesn't care if there is only 1 CS >> line. > >> So maybe spi-data-buses would be a better name for the property? Or >> spi-data-ports (using the NXP FlexSPI controller docs terminology)? >> Or spi-data-channels? > > This bindings discussion seems to have stalled out? Yes, it seems so. I sent a v2 with with the property changed to "spi-data-buses" in hopes that that it would be good enough, or if not, get the conversation going again. [1] [1]: https://lore.kernel.org/linux-iio/20251107-spi-add-multi-bus-support-v2-1-8a92693314d9@baylibre.com/