From patchwork Sun Jul 5 07:09:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alim Akhtar X-Patchwork-Id: 11644173 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 42FBA913 for ; Sun, 5 Jul 2020 07:29:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2AC2B20874 for ; Sun, 5 Jul 2020 07:29:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="YkXHzbfF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726025AbgGEH3s (ORCPT ); Sun, 5 Jul 2020 03:29:48 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:49199 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726331AbgGEH3o (ORCPT ); Sun, 5 Jul 2020 03:29:44 -0400 Received: from epcas5p3.samsung.com (unknown [182.195.41.41]) by mailout4.samsung.com (KnoxPortal) with ESMTP id 20200705072940epoutp048fcbb3eb63aaeb7bc23bdeff1a5748bd~eyrE-XPSs1555815558epoutp04g for ; Sun, 5 Jul 2020 07:29:40 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout4.samsung.com 20200705072940epoutp048fcbb3eb63aaeb7bc23bdeff1a5748bd~eyrE-XPSs1555815558epoutp04g DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1593934180; bh=HCXrofelDS9SJIsUKOUl2fb+5VFxATXUSmCxo5+ME6E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YkXHzbfFO3QhVEl9Vkm/Ro6DN/mrf3wpVfiGkRIR/no0Etg+ZSTkJ1E4byZVqgQNE 9bkNjdgm04YzT+RqCw93OWJtfzk+H/OOxg9bFQYyrm/95uBqX6TviqvmAbAi3SkmX8 jEp/PPz5OIJ4A0127ruSW7KQ+uq3DjovAzEbTHhI= Received: from epsmges5p1new.samsung.com (unknown [182.195.42.73]) by epcas5p3.samsung.com (KnoxPortal) with ESMTP id 20200705072940epcas5p3bdf73fe71b1a3dc73d743486cb915007~eyrEar5BZ0709407094epcas5p3A; Sun, 5 Jul 2020 07:29:40 +0000 (GMT) Received: from epcas5p4.samsung.com ( [182.195.41.42]) by epsmges5p1new.samsung.com (Symantec Messaging Gateway) with SMTP id 20.DA.09467.461810F5; Sun, 5 Jul 2020 16:29:40 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p4.samsung.com (KnoxPortal) with ESMTPA id 20200705072938epcas5p479f0d040ca34fd44b2ba893a199efb79~eyrDUeq5_1034110341epcas5p4M; Sun, 5 Jul 2020 07:29:38 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20200705072938epsmtrp27740552f019671b8d43c346effbdcded~eyrDT1XiP1761217612epsmtrp2g; Sun, 5 Jul 2020 07:29:38 +0000 (GMT) X-AuditID: b6c32a49-a29ff700000024fb-d8-5f018164af4f Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id C8.BD.08303.261810F5; Sun, 5 Jul 2020 16:29:38 +0900 (KST) Received: from Jaguar.sa.corp.samsungelectronics.net (unknown [107.108.73.139]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20200705072937epsmtip14588e58cb12f7ebec4b2fde1bf2c716e~eyrCLcEy-0149301493epsmtip1N; Sun, 5 Jul 2020 07:29:37 +0000 (GMT) From: Alim Akhtar To: krzk@kernel.org Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, Alim Akhtar Subject: [PATCH v1 2/2] arm64: dts: exynos: keep LDO12 always-on Date: Sun, 5 Jul 2020 12:39:18 +0530 Message-Id: <20200705070918.63531-2-alim.akhtar@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200705070918.63531-1-alim.akhtar@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrAIsWRmVeSWpSXmKPExsWy7bCmlm5KI2O8wfMPrBYP5m1js5h/5Byr xfnzG9gtNj2+xmpxedccNosZ5/cxWbTuPcLuwO6xaVUnm8fmJfUefVtWMXp83iQXwBLFZZOS mpNZllqkb5fAlXHtzlXWgutsFUsW32BrYDzD2sXIySEhYCJx9e08RhBbSGA3o8STNdZdjFxA 9idGiSXnZ7JBOJ8ZJVp3PmGG6Tg98QU7RGIXo8S9xU+hnBYmiYNL74BVsQloS9ydvoUJxBYR EJa4t3Q5WBGzwBFGiYbzL8ASwgIOEvfvdoIdwiKgKnFqyjk2EJtXwEZi1ubFLBDr5CVWbzgA NpRTwFZi6stnTBDxfewSbcd8IGwXialnuhghbGGJV8e3sEPYUhKf3+0FmskBZGdL9OwyhgjX SCyddwxqvL3EgStzWEBKmAU0Jdbv0gcJMwvwSfT+fsIE0ckr0dEmBFGtKtH87ipUp7TExO5u VogSD4kjbamQUJjAKLGy+zHbBEbZWQhDFzAyrmKUTC0ozk1PLTYtMMxLLdcrTswtLs1L10vO z93ECI50Lc8djHcffNA7xMjEwXiIUYKDWUmEt1ebMV6INyWxsiq1KD++qDQntfgQozQHi5I4 r9KPM3FCAumJJanZqakFqUUwWSYOTqkGprIZqyUY29UEfle9nenhUx7zKvdvSdivSveIjtU8 PS2z1W/9jDXWf7nLxvH/WcN1V+rTZIM+XjNWvRVwbteUEKef+0S57zBb/0qcv/EijzZ/j5Jn 8E/VrQcr1jEfVtwxvfOwvOeezJuJq/XFKxU+fHD7cPLw8e+r485tt4tbKs7AdJbd/XYk+xb7 uIcnsr54sSqeOuyRajD56YZJj8KfNXBW3/nRcfy5sXrBs6TVW8z+pKs+khIMT3jr2Kfv87rc e1F9EDvDnI3lT4qS2N4sOcLB1Hv7R9JcRsmfW7kmPTSRYdm//vQJk53XZjt9jdu7UnT236hT XNfnzmoXfv/iu1/1nM8uF//KnL5oq/d4/mUlluKMREMt5qLiRAC0WxAYYwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprELMWRmVeSWpSXmKPExsWy7bCSnG5SI2O8weYTRhYP5m1js5h/5Byr xfnzG9gtNj2+xmpxedccNosZ5/cxWbTuPcLuwO6xaVUnm8fmJfUefVtWMXp83iQXwBLFZZOS mpNZllqkb5fAlXHtzlXWgutsFUsW32BrYDzD2sXIySEhYCJxeuIL9i5GLg4hgR2MEi83T2KH SEhLXN84AcoWllj57zlUUROTxKUtXxlBEmwC2hJ3p29hArFFgIruLV0OVsQscIpRon/7ZrBu YQEHift3O8HWsQioSpyaco4NxOYVsJGYtXkxC8QGeYnVGw4wg9icArYSU18+AxsqBFTTP2s5 8wRGvgWMDKsYJVMLinPTc4sNC4zyUsv1ihNzi0vz0vWS83M3MYKDTUtrB+OeVR/0DjEycTAe YpTgYFYS4e3VZowX4k1JrKxKLcqPLyrNSS0+xCjNwaIkzvt11sI4IYH0xJLU7NTUgtQimCwT B6dUA9OlabdcN/VJNVhnXHl4ePI+ewaWs7bHCxrZrr3cF9y1ct3hh32qp3N4dwdYhPKsLKtX WenveOflysVipbtSP9X82s6UJ7LiUeeMBxvYT2SmhD52k78c/dQxbL703tLm1Zuj5SKTD+6s Cvq/XHV/1c0VDnwbbO1PC1ddlzXzSI69V/JgyZeZrFX6lfWb7FYs5oqU2DMznveVxoFNk1Ie svPf6L1x5NsFI9k4Y50/Iak+sxQeGlwO0PFUfex/u6ujcPK1iXfkBPa2Mb1wuq4W0FWQJuFj bz9l80WGqJk52mfPnXFMPn199Q39jczZLLN+Km9c9aPpamDP1ayOc1k9253UyzhqpoWJ5V0y V4yckq/EUpyRaKjFXFScCABi/LPcpQIAAA== X-CMS-MailID: 20200705072938epcas5p479f0d040ca34fd44b2ba893a199efb79 X-Msg-Generator: CA CMS-TYPE: 105P X-CMS-RootMailID: 20200705072938epcas5p479f0d040ca34fd44b2ba893a199efb79 References: <20200705070918.63531-1-alim.akhtar@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org LDO12 on exynos7 supply power to VDDQ_UFS20_RESET, in case this regulator is OFF, UFS host controller can not send command to UFS device. To keep this supply ON, set regulator-always-on property for this ldo. Signed-off-by: Alim Akhtar --- arch/arm64/boot/dts/exynos/exynos7-espresso.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts index bb86950032d3..92fecc539c6c 100644 --- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts +++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts @@ -194,6 +194,7 @@ regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1300000>; regulator-enable-ramp-delay = <125>; + regulator-always-on; }; ldo13_reg: LDO13 {