From patchwork Mon Nov 27 15:41:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 119733 Delivered-To: patch@linaro.org Received: by 10.140.22.227 with SMTP id 90csp438359qgn; Mon, 27 Nov 2017 07:42:39 -0800 (PST) X-Google-Smtp-Source: AGs4zMYieQD5gJU3rOdk1/zmnGoL0YGbeY1sC3LwViH5SZUFpu8obkpv756PE5VDg+Sl5qVxD/W6 X-Received: by 10.98.67.78 with SMTP id q75mr22229222pfa.110.1511797359043; Mon, 27 Nov 2017 07:42:39 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1511797359; cv=none; d=google.com; s=arc-20160816; b=cgU4+KAMGBCnnc1lb8EcEfuO8et8TK4GU1ApW74mtw4Sjgg1QQ5K0xFHd/ipr/nQL1 8ZS7zYMkq7DDQ/jXEES1CctSxSH1uY4hkNNfGHcQ93YnFKXHuHV1OEdBLwelgmdl5n8I Sa6aoCFwYKaFhooOiTPggwfrbBacpoeQMuv1k+m2lPdgO1CXh8Y0R2LYuCwzKhpGLhkE 4OSMe6sWVbxqUN5yWbM2/8Ydam1cAMp3I+CCMVEyHh2abbsGwtouqYi3HrsxP37kon/U AM51f+hN6pD3ZJ962CKUlDAqPci2UqsKGBqwGoAcgQj/lN74Kkgnii3jT8rBIWdR5YYr Q6jA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:content-transfer-encoding:mime-version :list-subscribe:list-help:list-post:list-archive:list-unsubscribe :list-id:precedence:cc:references:in-reply-to:references:in-reply-to :message-id:date:subject:to:from:delivered-to :arc-authentication-results; bh=ASWJK3nSmXSHXswZ73FspN86FpVi48qss3/QkoiU6N0=; b=QS+KTQc1Mj2yKw3goFAwcbl+fIKMzjvtbWphiORZ1mmv2mAMbNYI62zqzeU5khwBwQ lTlCapB6uMIr+TTN5ieAENiitj4MnaUnZFhkiLl4h0lrjIfDDHH3TPh3p/xvyH77R1wy ZCrxK6jldKE3aCHyMREAraU6MhODsjHQet1I51znDUkVdGvRS4mT2e9TTHGRqjuheYEz 6uC9nwS+381Yp4RmHAU9Ou3QHsrx3aQNcM+VGrNa3u7dRZGdcwBYwtYxIDyKr8bJtlLz WlpqgFIWX1Zer/z9463hgKa1dlBmU1/4zjN83xbtTH6hmiTDK0Ud5QQITN1spPw4iyBQ 1z+w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Return-Path: Received: from gabe.freedesktop.org (gabe.freedesktop.org. [131.252.210.177]) by mx.google.com with ESMTPS id n9si22843904pgq.423.2017.11.27.07.42.38 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Nov 2017 07:42:39 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) client-ip=131.252.210.177; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 172606E307; Mon, 27 Nov 2017 15:42:05 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.free-electrons.com (mail.free-electrons.com [62.4.15.54]) by gabe.freedesktop.org (Postfix) with ESMTP id 1D18F6E300 for ; Mon, 27 Nov 2017 15:42:02 +0000 (UTC) Received: by mail.free-electrons.com (Postfix, from userid 110) id 02931213E0; Mon, 27 Nov 2017 16:42:01 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.4.0 Received: from localhost (unknown [185.94.189.187]) by mail.free-electrons.com (Postfix) with ESMTPSA id C2F03213E2; Mon, 27 Nov 2017 16:42:00 +0100 (CET) From: Maxime Ripard To: Daniel Vetter , David Airlie , Chen-Yu Tsai , Maxime Ripard Subject: [PATCH v2 03/18] dt-bindings: display: sun4i-drm: Add LVDS properties Date: Mon, 27 Nov 2017 16:41:27 +0100 Message-Id: <334876623ff427d34495571a8deae30d28c62f16.1511797218.git-series.maxime.ripard@free-electrons.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: References: In-Reply-To: References: Cc: Mark Rutland , Thomas Petazzoni , jernej.skrabec@siol.net, plaes@plaes.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Rob Herring , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, icenowy@aosc.io X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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 --- 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 ---