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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 12986C433F5 for ; Wed, 15 Sep 2021 12:04:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F01C461247 for ; Wed, 15 Sep 2021 12:04:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232887AbhIOMFY (ORCPT ); Wed, 15 Sep 2021 08:05:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53706 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237913AbhIOMFK (ORCPT ); Wed, 15 Sep 2021 08:05:10 -0400 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8F45C061793; Wed, 15 Sep 2021 05:03:38 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id z184-20020a1c7ec1000000b003065f0bc631so4639856wmc.0; Wed, 15 Sep 2021 05:03:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1v2Wz7r3SRYsAbKV8aTYHRg0UikNp3UThAxS/q0C7w0=; b=pJcFYnCZ8mO09t/6PwPkutiVf+XGgNkmftb1IuFOZXt0/x8j+s+H4eR/7UzdUyAM7C khmxYCeBsk4uAVQx1i5PBYDwZDOe1u4KMw7JhoEhPakkRCo07QdtkH78Av2fCGSCH23k 3tzcnXxsXbOmAA+3woN6NKipC2prvgM5pg2d5oNyapMVCSG76VHvDSlU3Ix092eObs/m tIvMspswgtt18S75p/g/AFfAvzdUNtgTU0b5waeZvuFG94lnkhM70LxRHlieept0Wtwv v3g441vIHUDTNNB7NdeljkjO2Hf05FLuZ2v7ZA9FeT3bISHeLqTis7rkzi3f6p+yHoUP g8RA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=1v2Wz7r3SRYsAbKV8aTYHRg0UikNp3UThAxS/q0C7w0=; b=L6gN/BGDlySFbELRW0q8qEPOtKgT27PpEm3RPcHidfjZVpY50fqGt2JY085DBllerk 32PNUULtuGt2e51LI145U3sEYb9/frhmwKiQQ4r+jbc3waY5JmL4wOJ3Op6o6jRf+iAj EEAmm8acmI8ECgUfIe0Gs2dm6ZVEoHg3hwyj2tEApA15annxm2BDmO9eJKbPJ42j98MC uf1W2dEE7CvhAiq7CVJnc8VN5r4SFVLPeT1i8M/RCBIY4EHnIITi32K13fJc7Gle0txT B27JREWmq0V2AkVX/NJnU5M6cVZDcC7lTPSMIANltH5DSzfBd1SlPk+wPIYWDg3bM3H9 18Rg== X-Gm-Message-State: AOAM532WxVPZUuEKYw7VN21/hT4uH6qgBTQbA4ypDG1nDBYLZC0zSnBL 6Z8crsE/hK9eXepG17NGkPJTUeeD4vav0y/C X-Google-Smtp-Source: ABdhPJzj+iZK8kf6OaDYgEGXfwizWgHXHzrMImbX/tAurZLPWH3d0i0/2suPJkytb2HGqkkfixSqyw== X-Received: by 2002:a05:600c:35c4:: with SMTP id r4mr4201100wmq.194.1631707417203; Wed, 15 Sep 2021 05:03:37 -0700 (PDT) Received: from hthiery.kontron.local ([213.135.10.150]) by smtp.gmail.com with ESMTPSA id p21sm4255497wmi.30.2021.09.15.05.03.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Sep 2021 05:03:36 -0700 (PDT) From: Heiko Thiery To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski , Michael Walle , Joakim Zhang , Shengjiu Wang , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Heiko Thiery , Frieder Schrempf Subject: [PATCH] arm64: dts: imx8mm-kontron-n801x-som: do not allow to switch off buck2 Date: Wed, 15 Sep 2021 14:03:26 +0200 Message-Id: <20210915120325.20248-1-heiko.thiery@gmail.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The buck2 output of the PMIC is the VDD core voltage of the cpu. Switching off this will poweroff the CPU. Add the 'regulator-always-on' property to avoid this. Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Signed-off-by: Heiko Thiery --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index d0456daefda8..9db9b90bf2bc 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -102,6 +102,7 @@ reg_vdd_arm: BUCK2 { regulator-min-microvolt = <850000>; regulator-max-microvolt = <950000>; regulator-boot-on; + regulator-always-on; regulator-ramp-delay = <3125>; nxp,dvs-run-voltage = <950000>; nxp,dvs-standby-voltage = <850000>; -- 2.30.0 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=-13.7 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,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 E0C94C433EF for ; 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Wed, 15 Sep 2021 05:03:37 -0700 (PDT) Received: from hthiery.kontron.local ([213.135.10.150]) by smtp.gmail.com with ESMTPSA id p21sm4255497wmi.30.2021.09.15.05.03.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Sep 2021 05:03:36 -0700 (PDT) From: Heiko Thiery To: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski , Michael Walle , Joakim Zhang , Shengjiu Wang , Rob Herring , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Heiko Thiery , Frieder Schrempf Subject: [PATCH] arm64: dts: imx8mm-kontron-n801x-som: do not allow to switch off buck2 Date: Wed, 15 Sep 2021 14:03:26 +0200 Message-Id: <20210915120325.20248-1-heiko.thiery@gmail.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210915_050341_667028_6C6861D5 X-CRM114-Status: GOOD ( 11.56 ) 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 The buck2 output of the PMIC is the VDD core voltage of the cpu. Switching off this will poweroff the CPU. Add the 'regulator-always-on' property to avoid this. Fixes: 8668d8b2e67f ("arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards") Signed-off-by: Heiko Thiery --- arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi index d0456daefda8..9db9b90bf2bc 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi @@ -102,6 +102,7 @@ reg_vdd_arm: BUCK2 { regulator-min-microvolt = <850000>; regulator-max-microvolt = <950000>; regulator-boot-on; + regulator-always-on; regulator-ramp-delay = <3125>; nxp,dvs-run-voltage = <950000>; nxp,dvs-standby-voltage = <850000>; -- 2.30.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel