Received: by 2002:a05:6a10:17d3:0:0:0:0 with SMTP id hz19csp133023pxb; Wed, 14 Apr 2021 11:08:32 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz2bzyh0WdCBV0gozb2qTd0hLHQV3Vs0uVEQnp1iVxT52l++PafSJ+07yGMDRvHVwx8tmIR X-Received: by 2002:aa7:8615:0:b029:251:8a03:7645 with SMTP id p21-20020aa786150000b02902518a037645mr7589983pfn.56.1618423711859; Wed, 14 Apr 2021 11:08:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1618423711; cv=none; d=google.com; s=arc-20160816; b=e6suhBUZ82sJO0+huETnLUU7ihBytzJEt7P6fZ58PvLVHxS5aD9xaGifVfZtQ2S36X SHv6vubeXkiksEdMOwWZJVvVL7OmwKm5TWUUM2EgABsKfSBxmTmnxrkfDm9PL8JfV8ZB RsGYfFki528Yapj8/oVlgHav4vSNCDFRX3P2Xg2JiOB4T261D+iw9qMzBv72bqrl+HV0 Aer4ZWqzjRc89eVs3SCmdvDyJZYvRMhCJf61wtSkpRWBdciO9kLs9ULO/ySqV00HN1jQ PHx09yZrCQTAWyB8m9YIdemM9bk0z8rSaKkkse5kZq7F48QwNQ7x3enGcF3B64yzbPq/ VsVg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:references:in-reply-to:message-id:date:subject :cc:to:from; bh=mvuGBC5jGPUf9nkjnMQQliNWke/Dax9yzAs1+Ml7u+I=; b=sj0i24Lel1jzD4qrL8wx9epEHNI0M1/W/1I+aopblCkPmZqsIMKjPW6ZBjjW5xWm0d yyDrJMKb6i6Fs0pqEJOcKAonOrTSSc7KSy1jITx6cfTohy2hi/hxtNI/l0Q2ZE9u45VS wW+PrbeP8Ors+fPMt0R1cLLYRDtJiPrBlsJB/G7qLvAxnPlkak+QvlyzTQTfDr8KWZyA BrmsXB7Afn9HSdJ7LO3yp8o1+IjMa5V48sMHp4XswcwT/qvAAgq7yypRmG6e6CJvfRcL So56t20sHiWfOJwNG6O1Fh6YSr2JY/9/fVVHb7Kmki1noWaxCb5sk8nUZweTupSmsHIk mjbQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id s14si249313pgq.45.2021.04.14.11.08.17; Wed, 14 Apr 2021 11:08:31 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349712AbhDNQlx (ORCPT + 99 others); Wed, 14 Apr 2021 12:41:53 -0400 Received: from alexa-out.qualcomm.com ([129.46.98.28]:23985 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234281AbhDNQlt (ORCPT ); Wed, 14 Apr 2021 12:41:49 -0400 Received: from ironmsg08-lv.qualcomm.com ([10.47.202.152]) by alexa-out.qualcomm.com with ESMTP; 14 Apr 2021 09:41:28 -0700 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg08-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 14 Apr 2021 09:41:27 -0700 X-QCInternal: smtphost Received: from rajeevny-linux.qualcomm.com ([10.204.66.121]) by ironmsg01-blr.qualcomm.com with ESMTP; 14 Apr 2021 22:11:09 +0530 Received: by rajeevny-linux.qualcomm.com (Postfix, from userid 2363605) id 8577221351; Wed, 14 Apr 2021 22:11:08 +0530 (IST) From: Rajeev Nandan To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Rajeev Nandan , linux-kernel@vger.kernel.org, robdclark@gmail.com, dianders@chromium.org, mkrishn@codeaurora.org, kalyan_t@codeaurora.org, hoegsberg@chromium.org, abhinavk@codeaurora.org, seanpaul@chromium.org Subject: [v1 2/3] dt-bindings: drm/bridge: ti-sn65dsi86: Document use-aux-backlight Date: Wed, 14 Apr 2021 22:09:49 +0530 Message-Id: <1618418390-15055-3-git-send-email-rajeevny@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1618418390-15055-1-git-send-email-rajeevny@codeaurora.org> References: <1618418390-15055-1-git-send-email-rajeevny@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If the panel connected to the bridge supports backlight control using DPCD registers on the DisplayPort aux channel, setting "use-aux-backlight" property in the bridge node will enable the registration of a DP aux backlight device from the bridge driver. Signed-off-by: Rajeev Nandan --- .../devicetree/bindings/display/bridge/ti,sn65dsi86.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml index 26932d2..c8d8c00 100644 --- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.yaml @@ -58,6 +58,12 @@ properties: clock-names: const: refclk + use-aux-backlight: + type: boolean + description: + The panel backlight to be controlled using DPCD registers on + the DP aux channel. + gpio-controller: true '#gpio-cells': const: 2 @@ -188,6 +194,8 @@ examples: no-hpd; + use-aux-backlight; + ports { #address-cells = <1>; #size-cells = <0>; -- 2.7.4