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[2403:580a:80ed:0:4835:5a07:49e7:f115]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-aee7de19cdasm1074217a12.24.2025.02.27.04.10.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Feb 2025 04:11:04 -0800 (PST) From: James Calligeros Date: Thu, 27 Feb 2025 22:07:44 +1000 Subject: [PATCH v3 17/20] ASoC: dt-bindings: tas2770: add flags for SDOUT pulldown and zero-fill Precedence: bulk X-Mailing-List: asahi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250227-apple-codec-changes-v3-17-cbb130030acf@gmail.com> References: <20250227-apple-codec-changes-v3-0-cbb130030acf@gmail.com> In-Reply-To: <20250227-apple-codec-changes-v3-0-cbb130030acf@gmail.com> To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Shenghao Ding , Kevin Lu , Baojun Xu , Dan Murphy , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shi Fu , Jean Delvare , Guenter Roeck Cc: Alyssa Rosenzweig , =?utf-8?q?Martin_Povi=C5=A1er?= , Hector Martin , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, asahi@lists.linux.dev, linux-hwmon@vger.kernel.org, James Calligeros X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1333; i=jcalligeros99@gmail.com; h=from:subject:message-id; bh=/RBl/n6L6PnMSvwkD9NDOgKfGZgMZ6zIjb5wTfrd6qk=; b=owGbwMvMwCV2xczoYuD3ygTG02pJDOkHQk9/DfJ+/pBN62LpLO0lSpqSr+M1O9MMgk3Upgrss Z57I/ZeRykLgxgXg6yYIsuGJiGP2UZsN/tFKvfCzGFlAhnCwMUpABMRjGdkOLj/tPffHnNVnkvH LzFOc9rz/8GTZWudZ1ueNq46G3oz9gjDH373B91r7Sb9aQ9frJ9QX7j5gpzphnJVq8drVrxU+3p RnQsA X-Developer-Key: i=jcalligeros99@gmail.com; a=openpgp; fpr=B08212489B3206D98F1479BDD43632D151F77960 TAS2770 can pull down and zero-fill SDOUT when not actively transmitting TDM slot data. Zero-fill is useful when there are no other amps on the bus. Pulldown is useful when the chip is attached to a shared bus. Signed-off-by: James Calligeros --- .../bindings/sound/ti,tas2770.yaml | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/ti,tas2770.yaml b/Documentation/devicetree/bindings/sound/ti,tas2770.yaml index 8eab98a0f7a25a9c87d2c56fd0635ff8ecee17d0..3eba9bb34a581526f68b6bf2e8437e1f1e03d26f 100644 --- a/Documentation/devicetree/bindings/sound/ti,tas2770.yaml +++ b/Documentation/devicetree/bindings/sound/ti,tas2770.yaml @@ -57,6 +57,18 @@ properties: - 0 # Rising edge - 1 # Falling edge + ti,sdout-pull-down: + $ref: /schemas/types.yaml#/definitions/flag + description: + If present, SDOUT will be pulled low when not + transmitting. + + ti,sdout-zero-fill: + $ref: /schemas/types.yaml#/definitions/flag + description: + If present, SDOUT will be zero-filled when not + transmitting. + '#sound-dai-cells': # The codec has a single DAI, the #sound-dai-cells=<1>; case is left in for backward # compatibility but is deprecated. -- 2.48.1