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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB54CC3A59F for ; Thu, 29 Aug 2019 16:36:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 960A62339E for ; Thu, 29 Aug 2019 16:36:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="xHp80Gcn" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727992AbfH2Qgm (ORCPT ); Thu, 29 Aug 2019 12:36:42 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:44280 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727255AbfH2Qgj (ORCPT ); Thu, 29 Aug 2019 12:36:39 -0400 Received: by mail-wr1-f65.google.com with SMTP id b6so1315779wrv.11 for ; Thu, 29 Aug 2019 09:36:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ut1fjj8eBNR1pFtqlRw5Uf5pteRExaUZGDi9IpjspkU=; b=xHp80GcndzmNY8JJ7lMxSaKD+/5XoNzTgtOH5k1hm+r5JTxyG1X/vI8KHTJsQtI1Cv 1P3IC9kBfniaetDTJpmUVPdlwJewmUnvMNdH6qVj452oTqiE97E9MokPeFaUiAEDQNHY dL0L92xr8e6ymkb0HYv7xPdBhikI0vBXNBVdeIzyIKlDlNbgcEnWQOa63KgskLBBh+ZW zHySJdwOi9lvV+/CFsdnRTwLpZnBcLNSF5aaY2L68JQ9Ak1nDMvGy/bPE1QEP6BItGhl /kC0tuIGqnxXILzpq2sq6keWnzFzgrxFV9AMY+zTgvKAH2s2kjN1+q8TvOeh8zN0szvb IFIg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ut1fjj8eBNR1pFtqlRw5Uf5pteRExaUZGDi9IpjspkU=; b=rEEjn1dLy/OlKd+wOH9Z3PysZKs8lxq73Ak8k0yRfGKoTl/aUIzyHmAthfylJFvwP5 4WqSK+ZogvIKQuWyzPjMnAGADTSh8YEu4fkrAqQ3W4IIJtX+NEWSdxpifP4eb/3lVwnl Si7nVZ9oc659j/9OmwV7LSvaB7veCtro7m/SBJZSF8rCcqD9Lw+WCoWdIrSwo9KaCYmO /C2Wd116kJoe0+CyiOSUT1lVetrO42Tq52pvlxGKizhJP/+QobQTMdDxXBL2QUcP08u9 b8HnzbnmmEHHrhay6/1ZlEB1fcpgY8mc3V4E0U5kVDbQdh99RdgJexVxPoWqByOVivOS +pBA== X-Gm-Message-State: APjAAAWDJrdYZiw6DLveXPsPm+jhxxmWPjb+APwcSZf1G2e2ZVc16upo fCh5dtxG92EItc4pKaWhl6BC7g== X-Google-Smtp-Source: APXvYqyg/29G3TEDvhJuP3sZOsleGXRe9357VR2GoR5BLQzNlObtZnEIk8orjsWHqLCNbzzds2BbAA== X-Received: by 2002:a5d:4b8c:: with SMTP id b12mr13543767wrt.26.1567096597086; Thu, 29 Aug 2019 09:36:37 -0700 (PDT) Received: from srini-hackbox.lan (cpc89974-aztw32-2-0-cust43.18-1.cable.virginm.net. [86.30.250.44]) by smtp.gmail.com with ESMTPSA id k9sm4398243wrq.15.2019.08.29.09.36.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Aug 2019 09:36:35 -0700 (PDT) From: Srinivas Kandagatla To: broonie@kernel.org, robh+dt@kernel.org, vkoul@kernel.org Cc: spapothi@codeaurora.org, bgoswami@codeaurora.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, lgirdwood@gmail.com, devicetree@vger.kernel.org, Srinivas Kandagatla Subject: [PATCH v6 1/4] dt-bindings: soundwire: add slave bindings Date: Thu, 29 Aug 2019 17:35:11 +0100 Message-Id: <20190829163514.11221-2-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190829163514.11221-1-srinivas.kandagatla@linaro.org> References: <20190829163514.11221-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds bindings for Soundwire Slave devices that includes how SoundWire enumeration address and Link ID are used to represented in SoundWire slave device tree nodes. Signed-off-by: Srinivas Kandagatla --- .../soundwire/soundwire-controller.yaml | 82 +++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml diff --git a/Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml b/Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml new file mode 100644 index 000000000000..1b43993bccdb --- /dev/null +++ b/Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml @@ -0,0 +1,82 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soundwire/soundwire-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SoundWire Controller Generic Binding + +maintainers: + - Srinivas Kandagatla + - Vinod Koul + +description: | + SoundWire busses can be described with a node for the SoundWire controller + device and a set of child nodes for each SoundWire slave on the bus. + +properties: + $nodename: + pattern: "^soundwire(@.*)?$" + + "#address-cells": + const: 2 + + "#size-cells": + const: 0 + +patternProperties: + "^.*@[0-9a-f],[0-9a-f]$": + type: object + + properties: + compatible: + pattern: "^sdw[0-9a-f]{1}[0-9a-f]{4}[0-9a-f]{4}[0-9a-f]{2}$" + description: Is the textual representation of SoundWire Enumeration + address. compatible string should contain SoundWire Version ID, + Manufacturer ID, Part ID and Class ID in order and shall be in + lower-case hexadecimal with leading zeroes. + Valid sizes of these fields are + Version ID is 1 nibble, number '0x1' represents SoundWire 1.0 + and '0x2' represents SoundWire 1.1 and so on. + MFD is 4 nibbles + PID is 4 nibbles + CID is 2 nibbles + More Information on detail of encoding of these fields can be + found in MIPI Alliance DisCo & SoundWire 1.0 Specifications. + + reg: + maxItems: 1 + description: + Link ID followed by Instance ID of SoundWire Device Address. + + required: + - compatible + - reg + +required: + - "#address-cells" + - "#size-cells" + +examples: + - | + soundwire@c2d0000 { + #address-cells = <2>; + #size-cells = <0>; + reg = <0x0c2d0000 0x2000>; + + speaker@0,1 { + compatible = "sdw10217201000"; + reg = <0 1>; + powerdown-gpios = <&wcdpinctrl 2 0>; + #thermal-sensor-cells = <0>; + }; + + speaker@0,2 { + compatible = "sdw10217201000"; + reg = <0 2>; + powerdown-gpios = <&wcdpinctrl 2 0>; + #thermal-sensor-cells = <0>; + }; + }; + +... -- 2.21.0