From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH 2/7] regulator: axp20x: Add support for AXP813 regulators Date: Fri, 29 Sep 2017 10:33:37 +0200 Message-ID: <20170929083337.fv7ed5utnofqgsi4@flea> References: <20170929032514.31727-1-wens@csie.org> <20170929032514.31727-3-wens@csie.org> Reply-To: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="meopsrsa72capjtd" Return-path: Sender: linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Content-Disposition: inline In-Reply-To: <20170929032514.31727-3-wens-jdAy2FN1RRM@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Chen-Yu Tsai Cc: Lee Jones , Mark Brown , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Quentin Schulz List-Id: devicetree@vger.kernel.org --meopsrsa72capjtd Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline On Fri, Sep 29, 2017 at 03:25:09AM +0000, Chen-Yu Tsai wrote: > The AXP813 PMIC has 7 DC-DC buck regulators, 16 LDOs (including the > fixed RTC LDO and 2 GPIO LDOs), and 1 switchable. The drive-vbus > feature is also supported. All the hardware details are very similar > to the AXP803, with the following exceptions: > > - Extra DCDC7 buck regulator, with the same range as DCDC6 > > - SWitch now has a separate supply pin, instead of being chained > internaly from DCDC1 > > - RTC LDO output voltage is now 1.8V > > - FLDO3 is an LDO with switchable supplies, but unconfigurable output > voltage. The voltage is always half that of its supply. > > Support for FLDO3 is currently unimplemented, as it requires runtime > switching of its supplies, something the regulator subsystem does not > support. It is not used in either the reference designs nor actually > produced boards available. > > Signed-off-by: Chen-Yu Tsai > Tested-by: Maxime Ripard Acked-by: Maxime Ripard Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com --meopsrsa72capjtd--