From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-201.mailbox.org (mout-p-201.mailbox.org [80.241.56.171]) (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 B4F7F4AE8C1; Mon, 28 Sep 2026 11:40:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790595652; cv=none; b=OgR/GVAByGh9f62K+4hjhszOdycqjR0e3YCsweKtKm0o37Akx5ciH10//9sP/bIAKTLn7o8FT2/JlYOsgrOxl5Yl3Hk3fyvNc4bNyye/X7Qj2EWF6OQrryzphQIOXeXjVSAcsx0Y8XJPUK9Ll66KXYqRHCw1MUHeKeW4ifBZC44= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790595652; c=relaxed/simple; bh=41C/W5I+zBwP/HhINRYUvLUTN9x900SlAsyUpSp3MJo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OLWz23iPMHv66MoVlNAWhUBOFnx5yOKdzIfDw64bbV90qS0ZYCUMVEVWx9PHgoDSECLo0j4zjvgjFa3o1gTNOiTwPiE4ypiBBKWWd2KeLNz2n3gA9OctR7QpZPa4y5n4Us90vKYf5/+ENwKwIcWrYdrvxlxtYfpRuSZq0eYfgUA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alexanderkoch.net; spf=pass smtp.mailfrom=alexanderkoch.net; dkim=pass (2048-bit key) header.d=alexanderkoch.net header.i=@alexanderkoch.net header.b=lw6ocwZM; arc=none smtp.client-ip=80.241.56.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alexanderkoch.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alexanderkoch.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=alexanderkoch.net header.i=@alexanderkoch.net header.b="lw6ocwZM" Received: from smtp102.mailbox.org (smtp102.mailbox.org [IPv6:2001:67c:2050:b231:465::102]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-201.mailbox.org (Postfix) with ESMTPS id 4htfWd23HmzMlmh; Mon, 28 Sep 2026 13:40:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alexanderkoch.net; s=MBO0001; t=1790595645; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SEK6m5MZoKagAlACy8AlMncwCp90x2a6zeXLHLK/l+8=; b=lw6ocwZMH0juNEBXHzna2HgkuDEGX3NmRmo0TYJivDpSGugQLcnbcmSeSTdWB1MfI4+xtZ CtMcWunMlYu9IYUFsTz1Fh6ofBP7R9Aw0k7OzTN7xSX7uot9ZijKHlZoyRgAZl07j2ooBR 4Wfysw9uPp6cJfIqPFHHHqXwkUJyxm4yQnq0U0+aezgSHbAt0h3W32EMD/xl4sTDUfmTHX bLgyEIZVh050QWfs2cD41GhfNMqexoWOXRx+k1rjtVJngLkg8rpAHAYKhzvmJodzo7JPFL AjZ4JmYdeWXb53b7UVibLwnpg1Wlj8WTOHM45Z5qZomSjLXv7dxZsPWg0vCldA== Authentication-Results: outgoing_mbo_mout; dkim=none; spf=pass (outgoing_mbo_mout: domain of mail@alexanderkoch.net designates 2001:67c:2050:b231:465::102 as permitted sender) smtp.mailfrom=mail@alexanderkoch.net From: Alexander Koch To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Kuninori Morimoto , Khanh Le Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Koch Subject: [PATCH 2/2] SoC: dt-bindings: asahi-kasei,ak4619: Add PDN GPIO support Date: Mon, 28 Sep 2026 13:40:19 +0200 Message-ID: <20260928114019.1441752-3-mail@alexanderkoch.net> In-Reply-To: <20260928114019.1441752-1-mail@alexanderkoch.net> References: <20260928114019.1441752-1-mail@alexanderkoch.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 4htfWd23HmzMlmh Add documentation for optional property that enables operation of the 'PDN' pin during initialization: codec@10 { compatible = "asahi-kasei,ak4619"; reg = <0x10>; pdn-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>; // <-- #sound-dai-cells = <0>; }; Signed-off-by: Alexander Koch --- .../devicetree/bindings/sound/asahi-kasei,ak4619.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/asahi-kasei,ak4619.yaml b/Documentation/devicetree/bindings/sound/asahi-kasei,ak4619.yaml index d412531ef9a2..3c7754351e8a 100644 --- a/Documentation/devicetree/bindings/sound/asahi-kasei,ak4619.yaml +++ b/Documentation/devicetree/bindings/sound/asahi-kasei,ak4619.yaml @@ -34,6 +34,12 @@ properties: $ref: audio-graph-port.yaml# unevaluatedProperties: false + pdn-gpios: + maxItems: 1 + description: + GPIO controlling the AK4619 PDN input pin. Used during driver + probing to power up the codec. + required: - compatible - reg @@ -49,6 +55,8 @@ examples: compatible = "asahi-kasei,ak4619"; reg = <0x10>; + pdn-gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>; + clocks = <&rcar_sound>; clock-names = "mclk"; -- 2.55.0