From patchwork Tue Nov 13 11:16:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10682047 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9A390139B for ; Wed, 14 Nov 2018 08:16:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 913F32AA60 for ; Wed, 14 Nov 2018 08:16:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 84E792B1A1; Wed, 14 Nov 2018 08:16:58 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 38BF62AA60 for ; Wed, 14 Nov 2018 08:16:58 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D36976E4AD; Wed, 14 Nov 2018 08:16:40 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3025C6E397 for ; Tue, 13 Nov 2018 11:18:44 +0000 (UTC) Received: by mail-pf1-x443.google.com with SMTP id v76-v6so3055792pfa.5 for ; Tue, 13 Nov 2018 03:18:44 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Bezu7kJZ0Njo2tp9TTb/Vi97QjlcQqipnPzN/MWROLI=; b=NGbWtiDyhphCJvtS1XeNIe/ES0IYSbqQ/pfsYADqEVNT3nN0Oabr6j75J51wAd/31C CdZ2haRzYZ3unsneP9cyrjiBRvtJRzLDDNYmgOOkv6XXfflGDmJXeamiumKxED8MCcih TElU5gE4igM8Dm9/Hm/VJPo2q++dx3HeH5jnF1OOd+h+b59J7u2VpOfgR/J3iAidcoa4 pZpOOIM+pxZb1EhRwSf8P95i+la3hzWMZ+y3MbDql5TH+JbpMSMGdLaM4csrPXBh9tWC 66dfBkfsAkW2Qq9ynHI9l+FB+UwRpbhSIEH6l6zJ4qMB56dqIjW709iVRg9ELR0OgGES VxIA== X-Gm-Message-State: AGRZ1gI5gA5GZL3v50ffwXGD9uJPzX6HJB9AOsl0DdOCcW6FCgbFxlkQ r94hAdpmOVeIAQZYTUC2aBqdfA== X-Google-Smtp-Source: AJdET5dLcpR4r1ZiXsuc5sWpJUAicNgYqjYRYQhgVTHlMZ4e7mGSt7n/tj7HdJI4t8H9yiejkK1N+Q== X-Received: by 2002:a63:310:: with SMTP id 16mr4255308pgd.79.1542107923736; Tue, 13 Nov 2018 03:18:43 -0800 (PST) Received: from localhost.localdomain ([2401:4900:3670:3f11:bc71:2ef7:4a39:e260]) by smtp.gmail.com with ESMTPSA id 27-v6sm28531377pfm.36.2018.11.13.03.18.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Nov 2018 03:18:43 -0800 (PST) From: Jagan Teki To: Maxime Ripard , Chen-Yu Tsai , Icenowy Zheng , Jernej Skrabec , Vasily Khoruzhick , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , David Airlie , dri-devel@lists.freedesktop.org, Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, Michael Trimarchi , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, linux-amarula@amarulasolutions.com Subject: [PATCH v4 18/26] dt-bindings: panel: Add Bananapi S070WV20-CT16 ICN6211 MIPI-DSI to RGB bridge Date: Tue, 13 Nov 2018 16:46:25 +0530 Message-Id: <20181113111633.20189-19-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20181113111633.20189-1-jagan@amarulasolutions.com> References: <20181113111633.20189-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 14 Nov 2018 08:16:04 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jagan Teki Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Bananapi S070WV20-CT16 ICN6211 is 800x480, 4-lane MIPI-DSI to RGB bridge panel, which is available on same PCB with 24-bit RGB interface. So, this patch adds DSI specific binding details on existing dt-bindings file. Signed-off-by: Jagan Teki Reviewed-by: Rob Herring --- .../display/panel/bananapi,s070wv20-ct16.txt | 31 +++++++++++++++++-- 1 file changed, 29 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt b/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt index 35bc0c839f49..b7855dc7c66f 100644 --- a/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt +++ b/Documentation/devicetree/bindings/display/panel/bananapi,s070wv20-ct16.txt @@ -1,12 +1,39 @@ Banana Pi 7" (S070WV20-CT16) TFT LCD Panel +S070WV20-CT16 is 7" 800x480 panel connected through a 24-bit RGB interface. + +Depending on the variant, the PCB attached to the panel module either +supports DSI, or DSI + 24-bit RGB. DSI is converted to 24-bit RGB via +an onboard ICN6211 MIPI DSI - RGB bridge chip, then fed to the panel +itself + Required properties: -- compatible: should be "bananapi,s070wv20-ct16" +- compatible: + for 24-bit RGB interface, use "bananapi,s070wv20-ct16" + for ICN6211 MIPI-DSI to RGB bridge, use "bananapi,s070wv20-ct16-icn6211" + +Required properties for RGB: - power-supply: see ./panel-common.txt +Required properties for MIPI-DSI to RGB: +- reg: for DSI virtual channel used by that screen +- avdd-supply: analog regulator dc1 switch +- dvdd-supply: 3v3 digital regulator +- reset-gpios: a GPIO phandle for the reset pin + Optional properties: -- enable-gpios: see ./simple-panel.txt +- enable-gpios: see ./simple-panel.txt(not available in MIPI-DSI to RGB bridge) - backlight: see ./simple-panel.txt This binding is compatible with the simple-panel binding, which is specified in ./simple-panel.txt. + +Example: +panel@0 { + compatible = "bananapi,s070wv20-ct16-icn6211"; + reg = <0>; + avdd-supply = <®_dc1sw>; + dvdd-supply = <®_dldo1>; + reset-gpios = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* PD6 */ + backlight = <&backlight_dsi>; +};