From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.nabladev.com (mx.nabladev.com [178.251.229.89]) (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 C550433ADA2; Sat, 4 Apr 2026 18:35:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.251.229.89 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775327759; cv=none; b=T8uNpF6SITWEXy46PZWFd+BsC4Hz1bU6U7pCtXrztkX0s0hmd2vRJsQVoxSg/LTyUzNxng7LdSeCWzKcpOwgkQ7FrPSK5bQb19AD3AvNV10WZR0Q5YaEn7Tr9X+/r+fwmsfFwan7DTmQiuXWZV4OkNEdGq9M432yeSzNTzxlWGo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775327759; c=relaxed/simple; bh=4euix1xHKSe5lEGUddBFauSyainydWuV70IIYfBNFXI=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=mC3TR3qSDfOFP63Cb1rSIntkTo+X9H1Qy3OBaeoXnR2wKcO0heUY70rD0y8cAjg+JHY4CRpow4WtuwhiIy9RVyadQycHNyOhWw4tX/ct4TJoT4z39H0U2TzAQesg32mZgCunZMv/WHeryaysYZloKlt2Owt+kAtl9+cI2JFDDfw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com; spf=pass smtp.mailfrom=nabladev.com; dkim=pass (2048-bit key) header.d=nabladev.com header.i=@nabladev.com header.b=cgCWUasD; arc=none smtp.client-ip=178.251.229.89 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nabladev.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nabladev.com header.i=@nabladev.com header.b="cgCWUasD" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id B4B4A10D7E3; Sat, 4 Apr 2026 20:35:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1775327755; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding; bh=URBiisKpj/4VMst9ixL/iGdh8JIZ79ieZDT72gpFozg=; b=cgCWUasDQ68qUJFqRIMhHNay3iSRHeThhK5wB5F+Yu0gW1+hMlnFBaDThvyqJqBX3bl23k rCF3I1ZFCIlZlWYMRnryBW9/XqFiY8ZaT3lZdOUOLrUvm7+bbBdkwvwj+diePw8HUdIArk 1tVhnWnExWVDjSH63hX2BkVERZxDPQwTIeYxM/fI5snh7iZjXLHNpnjCrW2ZOgSyTsc671 wpTI9Gi3iHUvUXHB3ySpR1FiuiLR7zmO2qd5MVP/KSiQ8EmzsFNurujJjVR7yeANr9zTI3 QQfbojaWIAvmmAdgXGayEceLytHAtp5uyEHYCDc/G0I8afSY8nX6/EcsuF38Fw== From: Marek Vasut To: linux-sound@vger.kernel.org Cc: Marek Vasut , Conor Dooley , Fabio Estevam , Jaroslav Kysela , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Nicolin Chen , Rob Herring , Shengjiu Wang , Takashi Iwai , Xiubo Li , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v2 1/2] ASoC: dt-bindings: fsl-sai: Document RX/TX BCLK swap support Date: Sat, 4 Apr 2026 20:35:00 +0200 Message-ID: <20260404183547.46509-1-marex@nabladev.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Last-TLS-Session-Version: TLSv1.3 Document support for setting the Bit Clock Swap bit in CR2 register via new "fsl,sai-bit-clock-swap" DT property. This bit swaps the bit clock used by the transmitter or receiver in asynchronous mode, i.e. makes transmitter use RX_BCLK and TX_SYNC, and vice versa, makes receiver use TX_BCLK and RX_SYNC. Signed-off-by: Marek Vasut --- Cc: Conor Dooley Cc: Fabio Estevam Cc: Jaroslav Kysela Cc: Krzysztof Kozlowski Cc: Liam Girdwood Cc: Mark Brown Cc: Nicolin Chen Cc: Rob Herring Cc: Shengjiu Wang Cc: Takashi Iwai Cc: Xiubo Li Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-sound@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org --- V2: - Drop | from description - Update email, rebase on next --- Documentation/devicetree/bindings/sound/fsl,sai.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/fsl,sai.yaml b/Documentation/devicetree/bindings/sound/fsl,sai.yaml index 83b5ea5f3d70e..ba65b3f3d0662 100644 --- a/Documentation/devicetree/bindings/sound/fsl,sai.yaml +++ b/Documentation/devicetree/bindings/sound/fsl,sai.yaml @@ -162,6 +162,13 @@ properties: of transmitter. type: boolean + fsl,sai-bit-clock-swap: + description: + Enable Bit Clock Swap, which swaps the bit clock used by the transmitter + or receiver in asynchronous mode, i.e. makes transmitter use RX_BCLK and + TX_SYNC, and vice versa, makes receiver use TX_BCLK and RX_SYNC. + type: boolean + fsl,shared-interrupt: description: Interrupt is shared with other modules. type: boolean -- 2.53.0