From patchwork Tue Dec 5 15:10:15 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 10093137 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0C13260329 for ; Tue, 5 Dec 2017 15:11:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E16DE29817 for ; Tue, 5 Dec 2017 15:11:04 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DFB9E297DC; Tue, 5 Dec 2017 15:11:04 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 692D329818 for ; Tue, 5 Dec 2017 15:11:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=vog6QVTHFQboMwg+ENvy7NuFPoOWzJhzYypa2irBGRs=; b=YxhVty9o/01GX1NaRdYMLNvoUy zNmOv6epPRSqEj2Gdpl0msQmTnJwn1yx+CAXuBqGnkE4aEG3b8WUEEhPWmkT670uVf+q4O402Ulnr 75f+zxMpsPWaJSM4xARocdRS0PTjege/jxDw3IgOdssMR+XAH2bo23cZiEcPqRxCBPAgeQhJoz49O XT40+8u6f4TcbaHBOJDJOVI1g94PMIR7A43xG6mtLDe8JD4jFJB6GuXmqa1RHhwx5N/yIGDy9EGBi 0AlqGvFfPb0QSCcPWBAZ0rmWRuuM/5/q8jQ6jyB7NNIaRBmb+OelwDG980leozGF6MTbDhJYzajpM 4ptplUDg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eMEs8-00039B-UP; Tue, 05 Dec 2017 15:11:00 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eMEs5-000364-JJ for linux-arm-kernel@lists.infradead.org; Tue, 05 Dec 2017 15:10:59 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id E483A20744; Tue, 5 Dec 2017 16:10:37 +0100 (CET) Received: from localhost (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id B281A203A2; Tue, 5 Dec 2017 16:10:37 +0100 (CET) From: Maxime Ripard To: Daniel Vetter , David Airlie , Chen-Yu Tsai , Maxime Ripard Subject: [PATCH v3 03/15] dt-bindings: display: sun4i-drm: Add LVDS properties Date: Tue, 5 Dec 2017 16:10:15 +0100 Message-Id: <17851ba6277b69aa9cd81de5eead62bfed271661.1512486553.git-series.maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171205_071057_823144_9A358256 X-CRM114-Status: UNSURE ( 9.02 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Thomas Petazzoni , jernej.skrabec@siol.net, plaes@plaes.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Rob Herring , linux-arm-kernel@lists.infradead.org, icenowy@aosc.io MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Some clocks and resets supposed to drive the LVDS logic in the display engine have been overlooked when the driver was first introduced. Add those additional resources to the binding, and we'll deal with the ABI stability in the code. Signed-off-by: Maxime Ripard Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 8 +++++++- 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index 50cc72ee1168..d4259a4f5171 100644 --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt @@ -121,6 +121,14 @@ Required properties: On SoCs other than the A33 and V3s, there is one more clock required: - 'tcon-ch1': The clock driving the TCON channel 1 +On SoCs that support LVDS (all SoCs but the A13, H3, H5 and V3s), you +need one more reset line: + - 'lvds': The reset line driving the LVDS logic + +And on the SoCs newer than the A31 (sun6i and sun8i families), you +need one more clock line: + - 'lvds-pll': The PLL that can be used to drive the LVDS clock + DRC ---