From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: Re: [PATCH v2 2/4] arm64: add basic DTS for i.MX8MQ Date: Mon, 5 Feb 2018 16:45:06 +0800 Message-ID: <20180205084505.GV31354@dragon> References: <20180201183126.32384-1-l.stach@pengutronix.de> <20180201183126.32384-2-l.stach@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jacky Bai Cc: Lucas Stach , Mark Rutland , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Baruch Siach , Catalin Marinas , Will Deacon , "patchwork-lst-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org" , Rob Herring , dl-linux-imx , "kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org" , Fabio Estevam , "A.s. Dong" , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" List-Id: devicetree@vger.kernel.org On Fri, Feb 02, 2018 at 08:13:56AM +0000, Jacky Bai wrote: > > Subject: [PATCH v2 2/4] arm64: add basic DTS for i.MX8MQ > > > > This adds the basic DTS for the i.MX8MQ. > > For now only the following peripherals are supported: > > - IOMUXC (pin controller) > > - CCM (clock controller) > > - GPIO > > - UART > > - uSDHC (SD/eMMC controller) > > - FEC (ethernet controller) > > - i2c > > > > This is enough to get a very basic board support up and running. > > > > One known limitation is that the driver for the GPC interrupt > > controller is still missing, rendering the CPU sleep states unusable > > as there is nothing waking them up anymore. This will be fixed in > > due course. > > > > The cpu sleep states can NOT be supported in community kernel due to hardware limitation. Jacky, Can you elaborate your comment a bit? If it's a hardware limitation, I guess not only community but also vendor kernel has no way to support sleep states, right? Shawn -- 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