From patchwork Mon Aug 6 16:09:33 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 10557373 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 7956313B4 for ; Mon, 6 Aug 2018 16:10:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 67588298C3 for ; Mon, 6 Aug 2018 16:10:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5B82D298D3; Mon, 6 Aug 2018 16:10:13 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 12F2A298C3 for ; Mon, 6 Aug 2018 16:10:13 +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=cuPO4vAvdN8cvo9BMv/TiAJH2MK7tzdhy+e9NYH0e3c=; b=bsctWQSCRc4xrowZW2Gbjm8FqC 07pCCr5WLCJ6zJ95U8Walu/hmYGNy7Udv9gKr1b+9t9y+yCwmTSVXXjynOilUhiluCzhXfWqW+ZmX lUhQ6kG/9ETkmOeTHkf9UqVQ/iJyj1lvdmZBQc/4WiNc7oxQiyT18bhs+N+Z1golQ9AFtnWiPwlrU vcAvGZCgx/nmkbSgxsADHUh+sZobm+XsTAlliJM/ElNirLs9UFV5ZQ3/F+Jb6w0ARAw1pCZtslG+q 49o77bqQFcHjCUxi28+81+zt/TjEP/9DC0vDm9XCklEJqlLs3Y0qN/PCb0sNuZKuwTXvTt63iH8Jk Y9FZXt5Q==; 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 1fmi5A-0001Tu-G4; Mon, 06 Aug 2018 16:10:08 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fmi4y-0001DU-5r for linux-arm-kernel@lists.infradead.org; Mon, 06 Aug 2018 16:09:57 +0000 Received: from localhost.localdomain (xdsl-188-155-58-14.adslplus.ch [188.155.58.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E8CDB21A56; Mon, 6 Aug 2018 16:09:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1533571793; bh=DFtTP0GtzTAqhIfYrt1usRii5L30aJY+sJBlYqF6xhU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AlgJMfoHuoWrzSlDnNdfG7QQXUIWZEAMptMbxqT91ALtmbef6Dq1r2h1CwKaywzet xmNw2VT1xqNRPzOSgrWuWpwVkaioMQ68H+j1nQGvzbg4oo2jFFqrXxpJ8mnooFN+wi caz0bV+L62ORk5yQBHcaEO2PcqwowgCmT2FCuyxo= From: Krzysztof Kozlowski To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFT 4/4] ARM: dts: exynos: Add LDO28 regulator on Exynos5422 Odroid boards Date: Mon, 6 Aug 2018 18:09:33 +0200 Message-Id: <20180806160933.6578-4-krzk@kernel.org> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180806160933.6578-1-krzk@kernel.org> References: <20180806160933.6578-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180806_090956_247511_CE068681 X-CRM114-Status: GOOD ( 12.90 ) 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: Chanwoo Choi , Bartlomiej Zolnierkiewicz , Marek Szyprowski 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 The LDO28 is used only on Odroid XU3 for Display Port. Define it so DTS will describe entire hardware. Depending on bootloader behavior this might affect the Display Port because none of drivers are enabling it. By default it is off in S2MPS11 PMIC reset values. However it could be enabled by bootloader so in such case kernel will later disable it as unused regulator. Signed-off-by: Krzysztof Kozlowski Tested-by: Marek Szyprowski --- Not tested on Odroid XU3 with Display Port. --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 7 +++++++ arch/arm/boot/dts/exynos5422-odroidxu3.dts | 6 ++++++ 2 files changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index b0dc9cc81b94..178e1064cfc7 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -331,6 +331,13 @@ regulator-always-on; }; + ldo28_reg: LDO28 { + /* Used on XU3 */ + regulator-name = "vdd_ldo26"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; + }; + ldo29_reg: LDO29 { /* Unused */ regulator-name = "vdd_ldo29"; diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts index 0322f281912c..db0bc17a667b 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts +++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts @@ -49,6 +49,12 @@ }; }; +&ldo28_reg { + regulator-name = "dp_p3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; +}; + &pwm { /* * PWM 0 -- fan