From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6181CC6FD1F for ; Wed, 22 Mar 2023 13:47:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230473AbjCVNrf (ORCPT ); Wed, 22 Mar 2023 09:47:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230355AbjCVNrZ (ORCPT ); Wed, 22 Mar 2023 09:47:25 -0400 Received: from relay7-d.mail.gandi.net (relay7-d.mail.gandi.net [217.70.183.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50DA659E75; Wed, 22 Mar 2023 06:47:19 -0700 (PDT) Received: (Authenticated sender: herve.codina@bootlin.com) by mail.gandi.net (Postfix) with ESMTPA id 4382320002; Wed, 22 Mar 2023 13:47:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1679492838; 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=VwfPEx0id9lkmTqeXmonqzG+ttziM1BKTuoeNAq8HFk=; b=d25XadhUqVTiT72yzMYftJfPojyWVTfngWDWXxlGdooZE7tDw9U5Z5lOYQbBC81ozu5e3P SRd+WBLyUOnCJAkDxSFl2Sk2DN22HLAgpKuVgk3slglRc7NmFrvYEJwJYk8/KGLxVZ+aq/ 2wH7khKxLSRU4AFiGNdenKJUqt21VrRrrHtLCgfeLhkCPs2YZq5NQUVmey0T7sDphGo+Ud iHjkz/plns1h0tYaeakO6tCUeYSUEto9yBoS90askUVzVKjmJRLKtAXAR2ox5PZrHOkhBW ql7/3H4FNk3nJ3GIzSFQ6pIGtMrU19Ypfo31ocBkaegHpXDmtUuaqLNmW0nugA== From: Herve Codina To: Herve Codina , Lee Jones , Rob Herring , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, Christophe Leroy , Thomas Petazzoni Subject: [PATCH v3 4/6] dt-bindings: sound: Add support for the Lantiq PEF2256 codec Date: Wed, 22 Mar 2023 14:46:52 +0100 Message-Id: <20230322134654.219957-5-herve.codina@bootlin.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230322134654.219957-1-herve.codina@bootlin.com> References: <20230322134654.219957-1-herve.codina@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Lantiq PEF2256 is a framer and line interface component designed to fulfill all required interfacing between an analog E1/T1/J1 line and the digital PCM system highway/H.100 bus. The codec support allows to use some of the PCM system highway time-slots as audio channels to transport audio data over the E1/T1/J1 lines. Signed-off-by: Herve Codina --- .../bindings/sound/lantiq,pef2256-codec.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/lantiq,pef2256-codec.yaml diff --git a/Documentation/devicetree/bindings/sound/lantiq,pef2256-codec.yaml b/Documentation/devicetree/bindings/sound/lantiq,pef2256-codec.yaml new file mode 100644 index 000000000000..da35b70cda99 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/lantiq,pef2256-codec.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/lantiq,pef2256-codec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Lantiq PEF2256 codec + +maintainers: + - Herve Codina + +description: | + Codec support for PEF2256. + + The Lantiq PEF2256, also known as Infineon PEF2256 or FALC56, is a framer and + line interface component designed to fulfill all required interfacing between + an analog E1/T1/J1 line and the digital PCM system highway/H.100 bus. + + The codec support allows to use some of the PCM system highway time-slots as + audio channels to transport audio data over the E1/T1/J1 lines. + + The time-slots used by the codec must be set and so, the properties + 'dai-tdm-slot-num', 'dai-tdm-slot-width', 'dai-tdm-slot-tx-mask' and + 'dai-tdm-slot-rx-mask' must be present in the ALSA sound card node for + sub-nodes that involve the codec. The codec uses 8bit time-slots. + 'dai-tdm-tdm-slot-with' must be set to 8. + The tx and rx masks define the PEF2256 time-slots assigned to the codec. + + The PEF2256 codec node should be a child of a PEF2256 node. + Refer to the bindings described in + Documentation/devicetree/bindings/mfd/lantiq,pef2256.yaml + +allOf: + - $ref: dai-common.yaml# + +properties: + compatible: + const: lantiq,pef2256-codec + + '#sound-dai-cells': + const: 0 + +required: + - compatible + - '#sound-dai-cells' + +unevaluatedProperties: false + +examples: + - | + codec { + compatible = "lantiq,pef2256-codec"; + #sound-dai-cells = <0>; + }; -- 2.39.2