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[209.132.180.67]) by mx.google.com with ESMTP id a59si6928039pli.322.2017.08.21.09.06.54; Mon, 21 Aug 2017 09:06:54 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@baylibre-com.20150623.gappssmtp.com header.s=20150623 header.b=pTTlJsqn; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932245AbdHUQGu (ORCPT + 26 others); Mon, 21 Aug 2017 12:06:50 -0400 Received: from mail-wr0-f173.google.com ([209.85.128.173]:36708 "EHLO mail-wr0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932171AbdHUQGr (ORCPT ); Mon, 21 Aug 2017 12:06:47 -0400 Received: by mail-wr0-f173.google.com with SMTP id f8so67086220wrf.3 for ; Mon, 21 Aug 2017 09:06:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=7c7D0zv0g5yaIKJa4SbdcT/Z1NduI/6pFQ7GEpoQZ1s=; b=pTTlJsqnbfP1WVekBiS8xoe+abAIOL5hZw7V+fugVVYeVc12svLJSUTld+CAhVutFy 3EGP0h7iZLSujJprkSAy5JVONuMBXnCkRXR7PjarTBna2Wy0CwQhPYXQYVWxN2cWn7GB w8/1sf0JuyOgTmOG1lJLdf+Rhx24QmZZbo689A48ek6V2//M1lFGnB10kgZxBNQ8UJ/S l4/ug2WWRp0arV3CbO5J9+EZ/gFYCx9pgBl25pA92iM5t131WM2LV6m+h0kZ6xcUiWm6 5yx7oBj4T8d1GyKuDHUiw8rpKwR8q52iMhKf/grnuI0YSK3aDlfXVtffcxlXRoj/rSil T01w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=7c7D0zv0g5yaIKJa4SbdcT/Z1NduI/6pFQ7GEpoQZ1s=; b=gVSfStQKQdnqfO1E6dEzXlscWzk8RY+6SDbYKkVCaMSCvg+WCdIj6v0gfLp9OnJAx2 +ATN0JTmr/D5onc8VOnhGDeM/2wH+kWqxWr2i81QOFIRFhbmlyE9T0IClswsoh3Tpg4V mcHgpCOA3ArGM7NtLn5if7Sh5DYxYYI9iNrOwtD+tgSqQxqh6qEvfKg0WnAuVcySQbKO VGLafdZQ8CIIsKhp9ny3UUaGfG6TPkiq0aAZj6oUBBZUK9mA+mbYLJZdvZfGuYUf7L3R kvEj/pNrptAuMynW5pKv8emEH4QkWkReMS3enqY2cH55JwfIrHfCwE+ekkM6/aM3t0l7 4hlQ== X-Gm-Message-State: AHYfb5hwn8CBd0BNrfctVtt36YgRaaa+UhBQKwWuGlqbH+ifCxicqENC pw6ClIIlLVDXTTGE X-Received: by 10.223.161.8 with SMTP id o8mr10329872wro.213.1503331606058; Mon, 21 Aug 2017 09:06:46 -0700 (PDT) Received: from localhost.localdomain ([90.63.244.31]) by smtp.googlemail.com with ESMTPSA id r79sm12346432wmd.42.2017.08.21.09.06.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 21 Aug 2017 09:06:45 -0700 (PDT) From: Jerome Brunet To: Kevin Hilman , Carlo Caione Cc: Jerome Brunet , linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 5/9] ARM64: dts: meson-gxl: libretech-cc: add card regulator settle times Date: Mon, 21 Aug 2017 18:06:33 +0200 Message-Id: <20170821160637.22456-6-jbrunet@baylibre.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20170821160637.22456-1-jbrunet@baylibre.com> References: <20170821160637.22456-1-jbrunet@baylibre.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changing the card voltage on the cc is not instantaneous, especially when switching from 3.3v to 1.8v. It take at least 30ms for the regulator to go from 3.3v to 1.8v. Add margin to that to make sure we don't upset the sdcard during the voltage switch Fixes: 61ff2af9b278 ("ARM64: dts: fixup libretech cc definition") Signed-off-by: Jerome Brunet --- arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts | 3 +++ 1 file changed, 3 insertions(+) -- 2.9.5 diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts index 2b56f7d9be2b..0537b92cd226 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts @@ -92,6 +92,9 @@ states = <3300000 0>, <1800000 1>; + + regulator-settling-time-up-us = <200>; + regulator-settling-time-down-us = <50000>; }; vddio_boot: regulator-vddio_boot {