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[2620:137:e000::1:20]) by mx.google.com with ESMTP id 143-20020a630795000000b00460b109a025si739077pgh.232.2022.11.17.03.08.45; Thu, 17 Nov 2022 03:08:57 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239281AbiKQKR0 (ORCPT + 91 others); Thu, 17 Nov 2022 05:17:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53716 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229931AbiKQKRY (ORCPT ); Thu, 17 Nov 2022 05:17:24 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85EEB2AC73 for ; Thu, 17 Nov 2022 02:17:23 -0800 (PST) Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1ovbxO-0007XT-JL; Thu, 17 Nov 2022 11:17:18 +0100 Received: from mfe by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1ovbxN-00032J-R4; Thu, 17 Nov 2022 11:17:17 +0100 Date: Thu, 17 Nov 2022 11:17:17 +0100 From: Marco Felsch To: "Peng Fan (OSS)" Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, Peng Fan , linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, festevam@gmail.com, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH V6 07/12] arm64: dts: imx8mn-evk: update vdd_soc dvs voltage Message-ID: <20221117101717.sjxgu3niip2wxjwo@pengutronix.de> References: <20221117095403.1876071-1-peng.fan@oss.nxp.com> <20221117095403.1876071-8-peng.fan@oss.nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221117095403.1876071-8-peng.fan@oss.nxp.com> User-Agent: NeoMutt/20180716 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: mfe@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 22-11-17, Peng Fan (OSS) wrote: > From: Peng Fan > > Per schematic, BUCK1 is for VDD_SOC&DRAM&PU_0V9. The nxp,dvs-run-voltage > and nxp,dvs-standby-voltage need set for BUCK1, not BUCK2. > BUCK2 is for A53, which is handled by DVFS, so no need dvs property. > nxp,dvs-run-voltage is not needed, since bootloader must configure > voltage to make system boot well. > > Signed-off-by: Peng Fan Acked-by: Marco Felsch > --- > arch/arm64/boot/dts/freescale/imx8mn-evk.dts | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > index 4eb467df5ba7..4839a962a170 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > @@ -47,6 +47,7 @@ buck1: BUCK1{ > regulator-boot-on; > regulator-always-on; > regulator-ramp-delay = <3125>; > + nxp,dvs-standby-voltage = <750000>; > }; > > buck2: BUCK2 { > @@ -56,8 +57,6 @@ buck2: BUCK2 { > regulator-boot-on; > regulator-always-on; > regulator-ramp-delay = <3125>; > - nxp,dvs-run-voltage = <950000>; > - nxp,dvs-standby-voltage = <850000>; > }; > > buck4: BUCK4{ > -- > 2.37.1 > > >