From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8032EC282CB for ; Sun, 27 Jan 2019 14:48:49 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 51C572147A for ; Sun, 27 Jan 2019 14:48:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="H8l/ELX3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 51C572147A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=csie.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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=ZlfNdZaegAHadPoOp25uGyyinZ4C4FEwRY4PZmlPeNs=; b=H8l/ELX36Ze6bA hqmoan9UInZ8b14wYDjoftDHiwS8vHNIbjIr5S3FbDwXe4jG12maBcaudmXQQJwp9dXeFe1eL6hYa 6b2ZUfuEGkA4XaiEqjPREj+IrBvxnzgfrPd831w239EJEn+8tqX9wAMLsNPsSs4NI3y03vEHoWkVr 330csJYlBPQctRGe2hLMRCbQ4KB1a53eVmemXvccInh3IJQQopo8uO9caZFeg5cTLt/nI9Obfo8do lkgjiOvcCK5yVeyPAZseEmGnV0WcI0WQbuf2kvMnHGv0/wkE2nNi2RFGw5DtBAOlkHKW4Xwqsh32e Kxlae8N7v0ARsm9lTf+A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gnljs-0000Ol-DI; Sun, 27 Jan 2019 14:48:48 +0000 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76] helo=wens.csie.org) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gnljn-0000MX-Jt for linux-arm-kernel@lists.infradead.org; Sun, 27 Jan 2019 14:48:45 +0000 Received: by wens.csie.org (Postfix, from userid 1000) id 789EE5FD54; Sun, 27 Jan 2019 22:48:39 +0800 (CST) From: Chen-Yu Tsai To: Maxime Ripard Subject: [PATCH 4/5] ARM: dts: sun5i: q8-tablet: Add LCD Panel power supply Date: Sun, 27 Jan 2019 22:48:37 +0800 Message-Id: <20190127144838.3578-5-wens@csie.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190127144838.3578-1-wens@csie.org> References: <20190127144838.3578-1-wens@csie.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190127_064843_779868_8CD32454 X-CRM114-Status: GOOD ( 10.79 ) 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: devicetree@vger.kernel.org, Chen-Yu Tsai , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org The A13 Q8 tablet, following the A13 reference tablet design, has the system's fixed 3.3V rail feed the VCC supply of the LCD panel. Additional voltage rails used by the panel are generated using a regulator fed from the unregulated IPSOUT output of the PMIC. The latter is unrepresentable in the device tree. Both are controlled with MOSFETs by the enable GPIO added in the previous patch. The actual enable or reset pin for the panel is tied directly to LCD-VCC after the MOSFET. Signed-off-by: Chen-Yu Tsai --- arch/arm/boot/dts/sun5i-a13-q8-tablet.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/sun5i-a13-q8-tablet.dts b/arch/arm/boot/dts/sun5i-a13-q8-tablet.dts index ead159f89e74..c77c0758145a 100644 --- a/arch/arm/boot/dts/sun5i-a13-q8-tablet.dts +++ b/arch/arm/boot/dts/sun5i-a13-q8-tablet.dts @@ -50,6 +50,7 @@ panel: panel { compatible = "urt,umsh-8596md-t", "simple-panel"; + power-supply = <®_vcc3v3>; enable-gpios = <&axp_gpio 0 GPIO_ACTIVE_HIGH>; /* AXP GPIO0 */ backlight = <&backlight>; #address-cells = <1>; -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel