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[98.27.254.98]) by mx.google.com with ESMTPSA id w9sm58347567iga.10.2014.03.12.06.14.42 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 12 Mar 2014 06:14:43 -0700 (PDT) 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: devicetree-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: devicetree@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: mporter@linaro.org X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.220.181 is neither permitted nor denied by best guess record for domain of patch+caf_=patchwork-forward=linaro.org@linaro.org) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , 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 Tested-by: Alex Elder --- [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 {