From mboxrd@z Thu Jan 1 00:00:00 1970 From: atull Subject: Re: [PATCH v2 2/3] ARM: dts: socfpga: fpga bridges bindings docs Date: Tue, 28 Oct 2014 16:53:47 -0500 Message-ID: References: <1414108267-22058-1-git-send-email-atull@opensource.altera.com> <1414108267-22058-3-git-send-email-atull@opensource.altera.com> <20141024070042.GL10262@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Return-path: In-Reply-To: Sender: linux-doc-owner@vger.kernel.org To: Steffen Trumtrar Cc: jgunthorpe@obsidianresearch.com, hpa@zytor.com, monstr@monstr.eu, michal.simek@xilinx.com, rdunlap@infradead.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, pantelis.antoniou@konsulko.com, robh+dt@kernel.org, grant.likely@linaro.org, iws@ovro.caltech.edu, linux-doc@vger.kernel.org, pavel@denx.de, broonie@kernel.org, philip@balister.org, rubini@gnudd.com, jason@lakedaemon.net, kyle.teske@ni.com, nico@linaro.org, balbi@ti.com, m.chehab@samsung.com, davidb@codeaurora.org, rob@landley.net, davem@davemloft.net, cesarb@cesarb.net, sameo@linux.intel.com, akpm@linux-foundation.org, linus.walleij@linaro.org, mgerlach@opensource.altera.com, delicious.quinoa@gmail.com, dinguyen@opensource.altera.com, yvanderv@opensource.altera.com List-Id: devicetree@vger.kernel.org On Tue, 28 Oct 2014, atull wrote: > On Fri, 24 Oct 2014, Steffen Trumtrar wrote: > > > > > + - init-val : 0 if driver should disable bridge at startup > > > + 1 if driver should enable bridge at startup > > > + driver leaves bridge in current state if property not > > > + specified. > > > + > > > > Configuration in the DT? Really? The FPGA can be programmed by several different methods (eeprom, jtag, preloader, Linux). The guiding principle is: whoever programmed the FPGA should release the bridge. At one point, we thought 'init-val' would be needed, but I think it can be taken out and we won't miss it. Alan