From patchwork Sun Mar 3 20:06:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 10837239 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 8000417EF for ; Sun, 3 Mar 2019 20:07:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6E64629E01 for ; Sun, 3 Mar 2019 20:07:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 61F7D29E72; Sun, 3 Mar 2019 20:07:02 +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 140A329E01 for ; Sun, 3 Mar 2019 20:07:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1A91489B5F; Sun, 3 Mar 2019 20:07:01 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pg1-x542.google.com (mail-pg1-x542.google.com [IPv6:2607:f8b0:4864:20::542]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6695589B5F for ; Sun, 3 Mar 2019 20:06:59 +0000 (UTC) Received: by mail-pg1-x542.google.com with SMTP id q206so1481762pgq.4 for ; Sun, 03 Mar 2019 12:06:59 -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=nj6iC/SZT6BJVehE1IgS4x6izL4XIS21HdsDOD+Q8Qs=; b=jhExosnFaHKNmFA13yICWYb2W7XBK6Hfx50acUaaU4ZlbnB9Amehw0FdfrfTjCMXvK l7CUUIqDR8Mkc1XHVB8/TJ+HBdaAm4lZJC4nsCiwmBgtjjHf1lB1/iiKsVUusb+0h1Yp Ewv5qcH2XTblilfdcNRcHM18161IlN9ghxzPXUe6dR5RjlppuGgXP+ScT1g/fgjn9Ie8 yzHXdKrLbZQMtRy7iyDk1+PtIfpsoptwXd+cx3NRtv6jSE7sgCexaXNVMj+bzcCYrhlL t1S4MZ3qyskeoSSdLwtbFtKXg0tKKxRPwVAKlZsHLlMUy6O25pbfdaqDzi1+aaY8FGNS aqRg== X-Gm-Message-State: APjAAAWWEObmionwc3Wgls4n57PQw4KYIWC3AB6kf6ikhqW9LkUhl7Be LyjmdUvxJUvJSlsUR0GTZdAzEw== X-Google-Smtp-Source: APXvYqx/5hiUaybEbL76AxSL/kw+B44fKb3CWngGGwumcixEOMCshHel8RcUkHbHv6rCZt/v1B6s9Q== X-Received: by 2002:a63:4a11:: with SMTP id x17mr15222919pga.376.1551643618915; Sun, 03 Mar 2019 12:06:58 -0800 (PST) Received: from localhost.localdomain ([115.97.184.151]) by smtp.gmail.com with ESMTPSA id j14sm5654021pfn.77.2019.03.03.12.06.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 03 Mar 2019 12:06:58 -0800 (PST) From: Jagan Teki To: Thierry Reding , David Airlie , Daniel Vetter , Sam Ravnborg , Rob Herring , Mark Rutland Subject: [PATCH 3/4] dt-bindings: display: Add Novatek NT35596 panel documentation Date: Mon, 4 Mar 2019 01:36:17 +0530 Message-Id: <20190303200618.17581-4-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.18.0.321.gffc6fa0e3 In-Reply-To: <20190303200618.17581-1-jagan@amarulasolutions.com> References: <20190303200618.17581-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amarulasolutions.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=nj6iC/SZT6BJVehE1IgS4x6izL4XIS21HdsDOD+Q8Qs=; b=Ek0SDME8nuBD9Edi9oiBH9XWAlQ3p2UIZ2lUTWWfJkDKlKxb+Oc8rBiTXd7Knp3rgR qq5Px+hDkY9EVz9LDq3vNbd1cmObGNIGKQzfxOgmSCHOQuiRPTm9osO3lhKNDV3DAFNi am871z1L77+34+tdEjAKyb1exd6f/fom2GD/A= 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: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Jagan Teki , Michael Trimarchi , linux-amarula@amarulasolutions.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Novatek NT35596 is a single-chip IC solution for small or medium-sized LTPS TFT LCD panels. NT35596 provides several system interfaces like MIPI/SPI/I2C. Microtech MTF050FHDI-03 is 1080x1920, 4-lane MIPI DSI LCD panel which has inbuilt NT35596 IC chip. NT35596 support several regulators on the chip, among those ony 4 regulators like VCI, VDDI/DVDD, AVDD, AVEE are used during power-on sequence. Since MTF050FHDI-03 panel do support 3-regulator based power-on sequence, this patch document only needful regulators and rest can be add while supporting new panels on the similar chip IC. Signed-off-by: Jagan Teki --- .../display/panel/novatek,nt35596.txt | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/novatek,nt35596.txt diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt35596.txt b/Documentation/devicetree/bindings/display/panel/novatek,nt35596.txt new file mode 100644 index 000000000000..d336cd41e177 --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt35596.txt @@ -0,0 +1,32 @@ +Novatek NT35596 based LCD panels + +Novatek NT35596 is a single-chip IC solution for small or medium-sized +LTPS TFT LCD panels. NT35596 provides several system interfaces like +MIPI/SPI/I2C. + +Microtech MTF050FHDI-03 is 1080x1920, 4-lane MIPI DSI LCD panel which +has inbuilt NT35596 IC chip. + +Required properties: +- compatible: must be "novatek,nt35596" and one of + * "microtech,mtf050fhdi-03" +- reset-gpios: a GPIO phandle for the reset pin + +Required properties for microtech,mtf050fhdi-03: +- reg: DSI virtual channel used by that screen +- dvdd-supply: I/O system regulator +- avdd-supply: analog regulator for MIPI circuit +- avee-supply: analog regulator for MIPI circuit + +Optional properties: +- backlight: phandle for the backlight control. + +panel@0 { + compatible = "microtech,mtf050fhdi-03", "novatek,nt35596"; + reg = <0>; + dvdd-supply = <®_dldo2>; /* VCC-MIPI */ + avdd-supply = <®_dc1sw>; /* AVDD_5V0 */ + avee-supply = <®_dc1sw>; /* AVEE_5V */ + reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */ + backlight = <&backlight>; +};