From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH v2] ARM: dts: configure regulators for Gumstix Pepper Date: Mon, 13 Jul 2015 23:49:31 -0700 Message-ID: <20150714064931.GC17550@atomide.com> References: <1436481477-18002-1-git-send-email-adam.yh.lee@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1436481477-18002-1-git-send-email-adam.yh.lee-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Adam YH Lee Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, ashcharles-EiDWdcs9+yZBDgjK7y7TUQ@public.gmane.org, arun-EiDWdcs9+yZBDgjK7y7TUQ@public.gmane.org List-Id: devicetree@vger.kernel.org * Adam YH Lee [150709 15:40]: > Boot process is halting in midway because some of the necessary voltage > regulators are deemed unused and subsequently powered off, leading to > a completely unresponsive system. > > Most of the device nodes had correct voltage regulator attachments. > Yet these nodes had to set stricter enforcement on them through > 'regulator-boot-on' and 'regulator-always-on' to function correctly. > > The consumers of the regulators this commit affect are the followings: > > DCDC1: vdd_1v8 system supply, USB-PHY, and ADC > DCDC2: Core domain > DCDC3: MPU core domain > LDO1: RTC > LDO2: 3v3 IO domain > LDO3: USB-PHY; not a boot-time requirement > LDO4: LCD [16:23] > > All but LDO3 need to be always-on for the system to be functional. > > Additionally regulator-name properties have been added for the kernel to > display the name from the schematic. This will improve diagnostics. Thanks for updating the description, applying this into omap-for-v4.2/fixes. Tony -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html