From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754051AbaCLNOr (ORCPT ); Wed, 12 Mar 2014 09:14:47 -0400 Received: from mail-ie0-f169.google.com ([209.85.223.169]:65530 "EHLO mail-ie0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752752AbaCLNOp (ORCPT ); Wed, 12 Mar 2014 09:14:45 -0400 From: Matt Porter To: Alex Elder , Linux ARM Kernel List Cc: Mark Brown , Christian Daudt , Devicetree List , bcm-kernel-feedback-list@broadcom.com, Linux Kernel Mailing List Subject: [PATCH] ARM: dts: bcm28155-ap: leave camldo1 on to fix reboot Date: Wed, 12 Mar 2014 09:14:39 -0400 Message-Id: <1394630079-12063-1-git-send-email-mporter@linaro.org> X-Mailer: git-send-email 1.8.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The BCM28155-AP board has a bootloader that expects the camldo1 regulator to be enabled on entry. Currently, the camldo1 regulator is disabled when no longer in use as is the case during a reboot / warm reset. This causes the early bootloader to hang upon entry. Add regulator-always-on to the camldo1 constraint to fix reboot. Reported-by: Alex Elder Signed-off-by: Matt Porter --- [Depends on BCM59056 regulator series dts support: http://www.gossamer-threads.com/lists/linux/kernel/1885489] arch/arm/boot/dts/bcm28155-ap.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/bcm28155-ap.dts b/arch/arm/boot/dts/bcm28155-ap.dts index 99ff0c1..cc1303c 100644 --- a/arch/arm/boot/dts/bcm28155-ap.dts +++ b/arch/arm/boot/dts/bcm28155-ap.dts @@ -94,6 +94,7 @@ camldo1_reg: camldo1 { regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; + regulator-always-on; }; sdldo_reg: sdldo { -- 1.8.4