From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandre Belloni Subject: Re: [PATCH v3 4/7] dt-bindings: atmel-usart: remove wildcard Date: Tue, 14 Jan 2020 16:03:53 +0100 Message-ID: <20200114150353.GP3137@piout.net> References: <1578997397-23165-1-git-send-email-claudiu.beznea@microchip.com> <1578997397-23165-5-git-send-email-claudiu.beznea@microchip.com> <20200114104237.GM3137@piout.net> <20200114111704.GN3137@piout.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: robh+dt@kernel.org, lee.jones@linaro.org, mark.rutland@arm.com, Nicolas.Ferre@microchip.com, Ludovic.Desroches@microchip.com, radu_nicolae.pirea@upb.ro, richard.genoud@gmail.com, a.zummo@towertech.it, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-rtc@vger.kernel.org To: Claudiu.Beznea@microchip.com Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org On 14/01/2020 14:58:23+0000, Claudiu.Beznea@microchip.com wrote: > > Then, what is the point of adding microchip,sam9x60-dbgu ? > > Different meaning for CIDR register bits. Version is kept on bits 4 to 0 > but not documented in public datasheet, so version displayed by > drivers/soc/atmel/soc.c should work. But at91_get_cidr_exid_from_dbgu will not find the node unless you use two fallbacks. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com