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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D511C433F5 for ; Thu, 24 Feb 2022 12:09:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232064AbiBXMKP (ORCPT ); Thu, 24 Feb 2022 07:10:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229838AbiBXMKO (ORCPT ); Thu, 24 Feb 2022 07:10:14 -0500 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B5E315F347; Thu, 24 Feb 2022 04:09:44 -0800 (PST) Received: by mail-wr1-x42f.google.com with SMTP id s13so2681929wrb.6; Thu, 24 Feb 2022 04:09:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ryt2IYjdNSmFLI6a3vnNM5EwFNVjdetPyVDqd/aUZeg=; b=D6vR6F2TXmpD1+UFCX8/J45nksM0voDBDyKbu5n1LNr1+wppAD0zyDcENlMVfqmii7 BuTLLq0BL0y5mO5yu9m4ktr8rV4ovbhXhVp9IlmNKKjbEktMaMmojnWIqgVIgdYSyPdu aJ8YL5FVF6VLA1AZszcXBwQIB8jhWo0kJh2UiztMeSKsS8bdMOAS3vUGJJfNy7uK7X6l yUrloHTy+IHNLYCZ16bL2MLz+Y54F5+gMtXtLSZ7mj2pcuPOAgFvo35/VTDvSxAlRGFH 1zhHW4cmhroVIuI3Vx+m6gXAo6COHCrdvEvzkI5X3fCzJ7YSh2IpNEOPPO8gbtQX9cHZ TJSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ryt2IYjdNSmFLI6a3vnNM5EwFNVjdetPyVDqd/aUZeg=; b=K9T288SeQ0pZ5HiYchXnb8i5z2Y79lAzqdN/rSAbQQusRdkezX+YlZlX9tDM8vkT2S Rfol/0rYUJLhZby7tMRchfYiafm+pp2qXKsFsEkTI09TVVoFmtOPZ+5VOLig5GeQz+zs 5zwTDylU/F0Ezi+D5Pccjng8s4+eQmtaaBM06peOJI66wDCKK8o1zgv8e6LSEgodSvZB H3Wky3dk3bE/h7fJsxvUHTaWRtqkIGAPhDZhTSgtDxCCiDfncR6W7Ib6+afGZlnrZdwx tQ66JnPYkiEh7VJkE5ld7FjzHZR6QPV+ABJEQcpZvjLeFG5OdrmKA0ofp11kZxrMQB0d iOxA== X-Gm-Message-State: AOAM531ekKwJKIBbyYbGBg/1sRys/BGqUmPx/Rq7ysMnwtKYV6DkA7/W Tgq9GY1NxwtK/YMDAlCAWALBQ+b28hD50kmU7uI= X-Google-Smtp-Source: ABdhPJzKeTdhqWFtGflp/xcTtkiyTROqljqNG8nFw2113ZyvHBY7rTQF77YYb10eBX5RZULi20EbGlwm7JdHzAWN3+Y= X-Received: by 2002:adf:f691:0:b0:1ed:f546:bd81 with SMTP id v17-20020adff691000000b001edf546bd81mr1726324wrp.542.1645704582892; Thu, 24 Feb 2022 04:09:42 -0800 (PST) MIME-Version: 1.0 References: <20220224103030.2040048-1-michael@walle.cc> <20220224103030.2040048-2-michael@walle.cc> In-Reply-To: <20220224103030.2040048-2-michael@walle.cc> From: Heiko Thiery Date: Thu, 24 Feb 2022 13:09:31 +0100 Message-ID: Subject: Re: [PATCH v2 2/2] arm64: dts: imx8mn-evk: fix the min/max voltages of the PMIC To: Michael Walle Cc: Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Shawn Guo Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Am Do., 24. Feb. 2022 um 11:30 Uhr schrieb Michael Walle : > > Use the proper voltages as supported by the board instead of the ones > supported by the PMIC. The voltages were taken from both the schematic > of the 8MNANOLPD4-EVK eval board and the datasheet of the IMX8MN SoC. > > Signed-off-by: Michael Walle Reviewed-by: Heiko Thiery > --- > Please help review and test this. This was never tested on the actual > 8MNANOLPD4-EVK because I don't have that board! Instead it is a > "byproduct" of the development of an devicetree for the 8MNANOD3L-EVK > which is quite similar except for the DDR voltage and the buck2 > converter. > > Changes since v1: > - swap buck1 and buck2 > > arch/arm64/boot/dts/freescale/imx8mn-evk.dts | 34 ++++++++++---------- > 1 file changed, 17 insertions(+), 17 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > index 2b685c0c7eeb..4eb467df5ba7 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > @@ -42,8 +42,8 @@ pmic: pmic@25 { > regulators { > buck1: BUCK1{ > regulator-name = "VDD_SOC"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <2187500>; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <950000>; > regulator-boot-on; > regulator-always-on; > regulator-ramp-delay = <3125>; > @@ -51,8 +51,8 @@ buck1: BUCK1{ > > buck2: BUCK2 { > regulator-name = "VDD_ARM_0V9"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <2187500>; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <1000000>; > regulator-boot-on; > regulator-always-on; > regulator-ramp-delay = <3125>; > @@ -62,32 +62,32 @@ buck2: BUCK2 { > > buck4: BUCK4{ > regulator-name = "VDD_3V3"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <3400000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-boot-on; > regulator-always-on; > }; > > buck5: BUCK5{ > regulator-name = "VDD_1V8"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <3400000>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > regulator-boot-on; > regulator-always-on; > }; > > buck6: BUCK6 { > regulator-name = "NVCC_DRAM_1V1"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <3400000>; > + regulator-min-microvolt = <1100000>; > + regulator-max-microvolt = <1100000>; > regulator-boot-on; > regulator-always-on; > }; > > ldo1: LDO1 { > regulator-name = "NVCC_SNVS_1V8"; > - regulator-min-microvolt = <1600000>; > - regulator-max-microvolt = <3300000>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > regulator-boot-on; > regulator-always-on; > }; > @@ -95,23 +95,23 @@ ldo1: LDO1 { > ldo2: LDO2 { > regulator-name = "VDD_SNVS_0V8"; > regulator-min-microvolt = <800000>; > - regulator-max-microvolt = <1150000>; > + regulator-max-microvolt = <800000>; > regulator-boot-on; > regulator-always-on; > }; > > ldo3: LDO3 { > regulator-name = "VDDA_1V8"; > - regulator-min-microvolt = <800000>; > - regulator-max-microvolt = <3300000>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > regulator-boot-on; > regulator-always-on; > }; > > ldo4: LDO4 { > regulator-name = "VDD_PHY_1V2"; > - regulator-min-microvolt = <800000>; > - regulator-max-microvolt = <3300000>; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <1200000>; > regulator-boot-on; > regulator-always-on; > }; > -- > 2.30.2 > 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 95D2CC433F5 for ; Thu, 24 Feb 2022 12:11:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=waap4W/MPmsG9Nd5GzRX3uAZPU2upfxL9P96uAedpKM=; 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Thu, 24 Feb 2022 04:09:42 -0800 (PST) MIME-Version: 1.0 References: <20220224103030.2040048-1-michael@walle.cc> <20220224103030.2040048-2-michael@walle.cc> In-Reply-To: <20220224103030.2040048-2-michael@walle.cc> From: Heiko Thiery Date: Thu, 24 Feb 2022 13:09:31 +0100 Message-ID: Subject: Re: [PATCH v2 2/2] arm64: dts: imx8mn-evk: fix the min/max voltages of the PMIC To: Michael Walle Cc: Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Shawn Guo X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220224_040944_328298_86EDA7A3 X-CRM114-Status: GOOD ( 17.72 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Am Do., 24. Feb. 2022 um 11:30 Uhr schrieb Michael Walle : > > Use the proper voltages as supported by the board instead of the ones > supported by the PMIC. The voltages were taken from both the schematic > of the 8MNANOLPD4-EVK eval board and the datasheet of the IMX8MN SoC. > > Signed-off-by: Michael Walle Reviewed-by: Heiko Thiery > --- > Please help review and test this. This was never tested on the actual > 8MNANOLPD4-EVK because I don't have that board! Instead it is a > "byproduct" of the development of an devicetree for the 8MNANOD3L-EVK > which is quite similar except for the DDR voltage and the buck2 > converter. > > Changes since v1: > - swap buck1 and buck2 > > arch/arm64/boot/dts/freescale/imx8mn-evk.dts | 34 ++++++++++---------- > 1 file changed, 17 insertions(+), 17 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > index 2b685c0c7eeb..4eb467df5ba7 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk.dts > @@ -42,8 +42,8 @@ pmic: pmic@25 { > regulators { > buck1: BUCK1{ > regulator-name = "VDD_SOC"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <2187500>; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <950000>; > regulator-boot-on; > regulator-always-on; > regulator-ramp-delay = <3125>; > @@ -51,8 +51,8 @@ buck1: BUCK1{ > > buck2: BUCK2 { > regulator-name = "VDD_ARM_0V9"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <2187500>; > + regulator-min-microvolt = <850000>; > + regulator-max-microvolt = <1000000>; > regulator-boot-on; > regulator-always-on; > regulator-ramp-delay = <3125>; > @@ -62,32 +62,32 @@ buck2: BUCK2 { > > buck4: BUCK4{ > regulator-name = "VDD_3V3"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <3400000>; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > regulator-boot-on; > regulator-always-on; > }; > > buck5: BUCK5{ > regulator-name = "VDD_1V8"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <3400000>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > regulator-boot-on; > regulator-always-on; > }; > > buck6: BUCK6 { > regulator-name = "NVCC_DRAM_1V1"; > - regulator-min-microvolt = <600000>; > - regulator-max-microvolt = <3400000>; > + regulator-min-microvolt = <1100000>; > + regulator-max-microvolt = <1100000>; > regulator-boot-on; > regulator-always-on; > }; > > ldo1: LDO1 { > regulator-name = "NVCC_SNVS_1V8"; > - regulator-min-microvolt = <1600000>; > - regulator-max-microvolt = <3300000>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > regulator-boot-on; > regulator-always-on; > }; > @@ -95,23 +95,23 @@ ldo1: LDO1 { > ldo2: LDO2 { > regulator-name = "VDD_SNVS_0V8"; > regulator-min-microvolt = <800000>; > - regulator-max-microvolt = <1150000>; > + regulator-max-microvolt = <800000>; > regulator-boot-on; > regulator-always-on; > }; > > ldo3: LDO3 { > regulator-name = "VDDA_1V8"; > - regulator-min-microvolt = <800000>; > - regulator-max-microvolt = <3300000>; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > regulator-boot-on; > regulator-always-on; > }; > > ldo4: LDO4 { > regulator-name = "VDD_PHY_1V2"; > - regulator-min-microvolt = <800000>; > - regulator-max-microvolt = <3300000>; > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <1200000>; > regulator-boot-on; > regulator-always-on; > }; > -- > 2.30.2 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel