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Sun, 12 Jul 2026 14:02:01 -0700 (PDT) From: Gianluca Boiano To: "Krzysztof Kozlowski" Cc: Gianluca Boiano , Mark Brown , Liam Girdwood , Rob Herring , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Shenghao Ding , Kevin Lu , Baojun Xu , "Wang, Sen" , linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] dt-bindings: sound: add Texas Instruments TAS2557 Date: Sun, 12 Jul 2026 23:01:47 +0200 Message-ID: <20260712210148.384870-1-morf3089@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260712-cyber-gorilla-of-acumen-19070e@quoll> References: <20260712-cyber-gorilla-of-acumen-19070e@quoll> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit > + ti,channel: > > ti,audio-channel > > Most speakers do not need such property, especially that what do you do > in 4-speaker configuration? I found only two references: awinic,aw87390 > and awinic,aw88395.yaml. Dropped in v3. A node now takes a `reg` array of 1 or 2 addresses; the device at each index applies that half (DEV_A/DEV_B) of the stereo firmware. Device order is the only configuration needed - no property. This matches tas2781.c/tas2781-fmwlib.c's architecture for the same firmware toolchain. `reg` is capped at two because the firmware container itself only defines two device types (DEV_A/DEV_B). A 4-speaker board would need two independent stereo pairs on two nodes, same as with tas2781. > + $ref: /schemas/types.yaml#/definitions/string > > Wrong type - there is basically no syntax like that (except a few > left-overs which I remove now), so please kindly do not upstrem some old > code. Drop. > > You need maxItems. Fixed in v3: maxItems: 1. Gianluca