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 922ABC001DE for ; Sun, 9 Jul 2023 03:48:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229935AbjGIDsP (ORCPT ); Sat, 8 Jul 2023 23:48:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38034 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229894AbjGIDsM (ORCPT ); Sat, 8 Jul 2023 23:48:12 -0400 Received: from mail-lf1-x130.google.com (mail-lf1-x130.google.com [IPv6:2a00:1450:4864:20::130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 78181E4D for ; Sat, 8 Jul 2023 20:48:11 -0700 (PDT) Received: by mail-lf1-x130.google.com with SMTP id 2adb3069b0e04-4fa48b5dc2eso5090072e87.1 for ; Sat, 08 Jul 2023 20:48:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1688874489; x=1691466489; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=c7lSjPQNhr0BWjor5LdaN815hU/chfe4hoYUxqnTCAI=; b=k3IRY5xwt8qJIv7SfJiV73BLBZgOE7DBWFEiap7mJyO/HbBphYtUffF1Jlup/HJrEs /JjyZzFYlvaXKS9K0P433ZpGG7vnO6bVweICxU7jBwIn8ZtljMASfo8Om07veq/h9ZGK sQIkamitoxVnF8DeYjDEvD4mHNcq4CEG9z3V/4/KDIbk7/0IqhDgKc9HLOH2XgQFkGQo cN0JwDH0qY6DAWunwHNTrQFlThCKDvI2KQ+P50qQbvO4KZ+DnBMxU9WIyJ3KEqyTJwE4 6xKmkeIQmeJZ/kYdXwvaZBLJ844U7JCjAiEFAqoaFZV1no/uRpF41v5qpTBY3j/lC620 fK5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1688874489; x=1691466489; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=c7lSjPQNhr0BWjor5LdaN815hU/chfe4hoYUxqnTCAI=; b=PasZ32K5LncMFyAjpAg2Cn/DoGoeAOgm2WCK3ccZWVGWIMHOpNsYkeFOre2WMxfV6d 1k87AA0ksOVETgnnRc6xHnvQ5whzSfYBCE+rISvuCsPL7rzFub5Qvrf3em3+ZqhsAoTd 8kFaWu/UIrUNvgAav9wnXz+AookQc20SEbTKfHogMd7fDWeKcc7662r/EqK8+uD9rgFW 9lyHrmVUDI5MY1dMcfMTwnlg78skN3recdHYpnRyKWTTTyH1zw2TuUCH3jHAt+PzSc+2 yjotOc54Bl4ugOmk3V8Hyv9D6TwzUVPaIw8jmwl72eXidVZoFZcLCqrwGJl5sWlK+Vkd sbEg== X-Gm-Message-State: ABy/qLbpEhh+CowZ3Y7poKHD30YSgi7zqf5bbozU5fh4MZ6EhqvPIzPV qQYpxis3sF0cGwKowjNj768sVg== X-Google-Smtp-Source: APBJJlGBWLJww4zVZJn5slMiO1WRJFBNn0Jw1gOm5v8j+Z/fPCJHt1d9NrO2xEnhmnI4idxJcFQ0iw== X-Received: by 2002:a19:e059:0:b0:4f8:6d54:72f9 with SMTP id g25-20020a19e059000000b004f86d5472f9mr6239729lfj.61.1688874489726; Sat, 08 Jul 2023 20:48:09 -0700 (PDT) Received: from lothlorien.lan (dzdqv0yyyyyyyyyyybm5y-3.rev.dnainternet.fi. [2001:14ba:a0db:1f00::ab2]) by smtp.gmail.com with ESMTPSA id u23-20020a2e9b17000000b002b70206cd45sm1398633lji.90.2023.07.08.20.48.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 08 Jul 2023 20:48:09 -0700 (PDT) From: Dmitry Baryshkov To: Heikki Krogerus , Greg Kroah-Hartman , Bryan O'Donoghue , Guenter Roeck , Andy Gross , Bjorn Andersson , Konrad Dybcio Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 1/2] usb: typec: altmodes/displayport: add support for embedded DP cases Date: Sun, 9 Jul 2023 06:48:07 +0300 Message-Id: <20230709034808.4049383-2-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230709034808.4049383-1-dmitry.baryshkov@linaro.org> References: <20230709034808.4049383-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In the embedded cases, the DisplayPort connector is handled by the TCPM itself. Fallback to the controller fwnode for HPD notifications to support such usecases without requiring additional DT properties. Signed-off-by: Dmitry Baryshkov --- drivers/usb/typec/altmodes/displayport.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index 4e5aa17ce4c8..699438c7755e 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -578,7 +578,10 @@ int dp_altmode_probe(struct typec_altmode *alt) alt->ops = &dp_altmode_ops; fwnode = dev_fwnode(alt->dev.parent->parent); /* typec_port fwnode */ - dp->connector_fwnode = fwnode_find_reference(fwnode, "displayport", 0); + if (fwnode_property_present(fwnode, "displayport")) + dp->connector_fwnode = fwnode_find_reference(fwnode, "displayport", 0); + else + dp->connector_fwnode = fwnode_handle_get(fwnode); /* embedded DP */ if (IS_ERR(dp->connector_fwnode)) dp->connector_fwnode = NULL; -- 2.39.2