From patchwork Thu Jun 9 18:09:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prashant Malani X-Patchwork-Id: 12875888 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 0B79AC43334 for ; Thu, 9 Jun 2022 18:17:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345328AbiFISRx (ORCPT ); Thu, 9 Jun 2022 14:17:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230118AbiFISRu (ORCPT ); Thu, 9 Jun 2022 14:17:50 -0400 Received: from mail-pf1-x431.google.com (mail-pf1-x431.google.com [IPv6:2607:f8b0:4864:20::431]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 112EE3B1E92 for ; Thu, 9 Jun 2022 11:17:49 -0700 (PDT) Received: by mail-pf1-x431.google.com with SMTP id 187so21744657pfu.9 for ; Thu, 09 Jun 2022 11:17:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hU6Im3vb1keVHVlY7TcHchEc2Qgf7bjh4PzS2LAsp0g=; b=UptN1Jr96I8pLOyRcmzeta9p2WveOwoPhhXgeRA7kM9cI69tEGxnQCJAtBRXxvWhlo Rn+Zv7iVzfdyTpBslG9yo/0iXXDJuo5vIHo5/6V0jyzg5tKmcFOEjk9i67KRqMQfc6wx mKFigbgfsH0ZXEoxgFBmfHafg8B4ipYc1phjA= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=hU6Im3vb1keVHVlY7TcHchEc2Qgf7bjh4PzS2LAsp0g=; b=jGAokPgp4CVVLEd0LVIMKv9esIpozxSqEK0LHMY+Jyx8fnP6cu/MMGFCFgwR3fwyx7 dhvRW9N4s6pJFbHmWKgj0uHfTC99R4iskcWLg7hLoopk1yyCirmcQCZe3qOe6YirBYhl 1TIcwQKBBvsps+v05Xi45yONYZkbn42pIrs2ZqhCqf6fmY8OS9ZWrxBpd752Z0Z7Lk4o C4u/zDei6FvmLfePdWPnlY7QTMCpv7OyBMTCjYSt4F0vzRlAMN1JAZi0tLxD1KSVUTWF 8i9+SLI9DXNBeZld7SGPNnaMYbNt4SuyniWAOYBDqrdITMGxFtp3Xv6tecMD/HkXoA0h 2Rfg== X-Gm-Message-State: AOAM532X8839coKifE/XJa4iwitfTKCt/uRar2njkHBQnVldWZ2c8l/f 2asIfoNOF6xJQBTVFT64ct9gMQ== X-Google-Smtp-Source: ABdhPJz2vJgUxsLAZYPstcdskHIS7FJzu4/qiYfO60Xj6S8dALbWGNZF34CISl4QlQBx7EQS+mZUBg== X-Received: by 2002:a05:6a00:10cc:b0:506:e0:d6c3 with SMTP id d12-20020a056a0010cc00b0050600e0d6c3mr41488331pfu.33.1654798668551; Thu, 09 Jun 2022 11:17:48 -0700 (PDT) Received: from pmalani.c.googlers.com.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id r14-20020a63ec4e000000b003fb0354c43asm17728049pgj.32.2022.06.09.11.17.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Jun 2022 11:17:48 -0700 (PDT) From: Prashant Malani To: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: bleung@chromium.org, swboyd@chromium.org, heikki.krogerus@linux.intel.com, Prashant Malani , Andrzej Hajda , AngeloGioacchino Del Regno , Daniel Vetter , David Airlie , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS), Greg Kroah-Hartman , Hsin-Yi Wang , Jernej Skrabec , Jonas Karlman , =?utf-8?b?Sm9zw6kgRXhww7NzaXRv?= , Krzysztof Kozlowski , Laurent Pinchart , Maxime Ripard , Neil Armstrong , =?utf-8?b?TsOtY29sYXMgRi4gUi4gQS4gUHJhZG8=?= , Pin-Yen Lin , Robert Foss , Rob Herring , Sam Ravnborg , Thomas Zimmermann , Tzung-Bi Shih , Xin Ji Subject: [PATCH v2 4/7] dt-bindings: drm/bridge: anx7625: Add mode-switch support Date: Thu, 9 Jun 2022 18:09:43 +0000 Message-Id: <20220609181106.3695103-5-pmalani@chromium.org> X-Mailer: git-send-email 2.36.1.476.g0c4daa206d-goog In-Reply-To: <20220609181106.3695103-1-pmalani@chromium.org> References: <20220609181106.3695103-1-pmalani@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Analogix 7625 can be used in systems to switch USB Type-C DisplayPort alternate mode lane traffic between 2 Type-C ports. Update the binding to accommodate this usage by introducing a switch property. Signed-off-by: Prashant Malani --- Changes since v1: - Introduced patternProperties for "switch" children (suggested by Krzysztof Kozlowski). - Added unevaluatedProperties descriptor (suggested by Krzysztof Kozlowski). - Added "address-cells" and "size-cells" properties to "switches". .../display/bridge/analogix,anx7625.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml index 35a48515836e..cb4a23391244 100644 --- a/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml +++ b/Documentation/devicetree/bindings/display/bridge/analogix,anx7625.yaml @@ -105,6 +105,33 @@ properties: - port@0 - port@1 + switches: + type: object + description: Set of switches controlling DisplayPort traffic on + outgoing RX/TX lanes to Type C ports. + unevaluatedProperties: false + + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + patternProperties: + 'switch@[01]': + $ref: /schemas/usb/typec-switch.yaml# + + properties: + reg: + maxItems: 1 + + required: + - reg + + required: + - switch@0 + required: - compatible - reg @@ -167,5 +194,41 @@ examples: }; }; }; + switches { + #address-cells = <1>; + #size-cells = <0>; + switch@0 { + compatible = "typec-switch"; + reg = <0>; + mode-switch; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + anx_typec0: endpoint { + remote-endpoint = <&typec_port0>; + }; + }; + }; + }; + switch@1 { + compatible = "typec-switch"; + reg = <1>; + mode-switch; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + anx_typec1: endpoint { + remote-endpoint = <&typec_port1>; + }; + }; + }; + }; + }; }; };