From nobody Tue Feb 10 12:59:28 2026 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8A52D38BDD8 for ; Tue, 13 Jan 2026 10:59:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768301988; cv=none; b=UFddRXwOAGmidDll+WHWp0g6dKP0TRx2k7BEZDEr/SPtWeEcd6jXBMtxhTwkIsuXnPR1g39sM7HbaJPG328Bg7e/NXtSobDgL/iGmFa6Mt4PXW7D51l92UtSKB2Zst7nTji4pbWyZ9KNRGgPg6mkbDe4lyMrlyj0IQtHnaZuSuw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768301988; c=relaxed/simple; bh=7TG8ChsmEKxx4/BuNL3tSZPzlIU0WQm6MqDGP2DlTJw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=jk4QDdl5IAcE4DjooXosO12qrvm9Rk0QYmMm5+M5jNpNcrDccfKBNeeskTYi0XPkjaH6F8rmmks+bJSIuR/DCbZ+IzPe3XdZgsFclKztqwtsJ9iZojannuLQVW4J4Ubmh+6Ya4N7ZhdOZVOb96rJkO0x0IH3nDKsjE2edfjjCLU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vfc78-0008DM-Al; Tue, 13 Jan 2026 11:59:06 +0100 Received: from dude02.red.stw.pengutronix.de ([2a0a:edc0:0:1101:1d::28]) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vfc74-000PMH-2j; Tue, 13 Jan 2026 11:59:02 +0100 Received: from localhost ([::1] helo=dude02.red.stw.pengutronix.de) by dude02.red.stw.pengutronix.de with esmtp (Exim 4.98.2) (envelope-from ) id 1vfc73-00000004mJf-43P4; Tue, 13 Jan 2026 11:59:01 +0100 From: Sascha Hauer Date: Tue, 13 Jan 2026 11:58:50 +0100 Subject: [PATCH v4 07/10] ASoC: dt-bindings: clarify areg-supply documentation Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260113-sound-soc-codecs-tvl320adcx140-v4-7-8f7ecec525c8@pengutronix.de> References: <20260113-sound-soc-codecs-tvl320adcx140-v4-0-8f7ecec525c8@pengutronix.de> In-Reply-To: <20260113-sound-soc-codecs-tvl320adcx140-v4-0-8f7ecec525c8@pengutronix.de> To: Shenghao Ding , Kevin Lu , Baojun Xu , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Sebastian Andrzej Siewior , Clark Williams , Steven Rostedt , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andrew Davis , Dan Murphy Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, Kevin Lu , linux-rt-devel@lists.linux.dev, devicetree@vger.kernel.org, Sascha Hauer , Emil-Juhl X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1768301941; l=1285; i=s.hauer@pengutronix.de; s=20230412; h=from:subject:message-id; bh=7RfFbFyTNGaSY6avmnHjxprtJDzNzxIoQg0ZhbFwspg=; b=UBHlJ/236Ziodfh+SzYNxLFSl0PVrHj9nCxIZcNe4js09atVM98k6bbIjGkiXUhCK1rGh+WIB Hlwn4fF/VHEA+PhZvuJB692JtlfjeOpS4UVDyrnVOJST2F/YJMjfnBm X-Developer-Key: i=s.hauer@pengutronix.de; a=ed25519; pk=4kuc9ocmECiBJKWxYgqyhtZOHj5AWi7+d0n/UjhkwTg= X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: s.hauer@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org From: Emil-Juhl The documentation for areg-supply could cause confusion mainly in terms of the relationship between AREG and AVDD. According to the datasheet[1] the AREG can be one of two cases: 1) an external 1.8V supply 2) generated by an internal regulator (hence a 1.8V output) [1] https://www.ti.com/lit/ds/symlink/tlv320adc5140.pdf Signed-off-by: Emil-Juhl Signed-off-by: Sascha Hauer Acked-by: Krzysztof Kozlowski --- Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml = b/Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml index 876fa97bfbcdd3b9450aa6ff57de42f1faed350d..b34ea7824360310434d8b826392= 864dbfa5fc369 100644 --- a/Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml +++ b/Documentation/devicetree/bindings/sound/ti,tlv320adcx140.yaml @@ -41,8 +41,8 @@ properties: =20 areg-supply: description: | - Regulator with AVDD at 3.3V. If not defined then the internal regul= ator - is enabled. + External supply of 1.8V. If not defined then the internal regulator = is + enabled instead. =20 ti,mic-bias-source: description: | --=20 2.47.3