From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <1442961804.19102.294.camel@freescale.com> Subject: Re: [PATCH 4/6] arm64/ls1043a: add DTS for Freescale LS1043A SoC From: Scott Wood To: Mark Rutland CC: Hou Zhiqiang , Marc Zyngier , "linux-arm-kernel@lists.infradead.org" , Catalin Marinas , Will Deacon , "linux-i2c@vger.kernel.org" , "linux-watchdog@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linux-clk@vger.kernel.org" , Shaohui Xie , "corbet@lwn.net" , "Sharma Bhupesh" , "mturquette@baylibre.com" , "wsa@the-dreams.de" , "sboyd@codeaurora.org" , "wim@iguana.be" , Wenbin Song , Hu Vincent , Li Leo , "Kushwaha Prabhakar-B32579" Date: Tue, 22 Sep 2015 17:43:24 -0500 In-Reply-To: <20150922221504.GA1497@svinekod> References: <1442838158-2964-1-git-send-email-B48286@freescale.com> <1442838158-2964-5-git-send-email-B48286@freescale.com> <20150922012403.GA1535@svinekod> <20150922221504.GA1497@svinekod> Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Return-Path: scottwood@freescale.com List-ID: On Tue, 2015-09-22 at 23:15 +0100, Mark Rutland wrote: > On Tue, Sep 22, 2015 at 10:50:21AM +0100, Hou Zhiqiang wrote: > > > > + ifc: ifc@1530000{ > > > > + compatible = "fsl,ifc", "simple-bus"; > > > > + reg = <0x0 0x1530000 0x0 0x10000>; > > > > + interrupts = <0 43 0x4>; > > > > + }; > > > > > > Why simple-bus? > > > > There are 3 child node located in dtsi file that should be created and > > added > > to platform device list. > > Are they usable even if the kernel knew nothing about the IFC node? Yes, except for NAND. > If not, the IFC driver should probe them, and simple-bus should go. IFC is not a new binding. IFC nodes are expected to have simple-bus. -Scott From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Subject: Re: [PATCH 4/6] arm64/ls1043a: add DTS for Freescale LS1043A SoC Date: Tue, 22 Sep 2015 17:43:24 -0500 Message-ID: <1442961804.19102.294.camel@freescale.com> References: <1442838158-2964-1-git-send-email-B48286@freescale.com> <1442838158-2964-5-git-send-email-B48286@freescale.com> <20150922012403.GA1535@svinekod> <20150922221504.GA1497@svinekod> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20150922221504.GA1497@svinekod> Sender: linux-watchdog-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Mark Rutland Cc: Hou Zhiqiang , Marc Zyngier , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , Catalin Marinas , Will Deacon , "linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-doc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Shaohui Xie , "corbet-T1hC0tSOHrs@public.gmane.org" , Sharma Bhupesh , "mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org" , "wsa-z923LK4zBo2bacvFa/9K2g@public.gmane.org" , "sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org" , "wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org" , Wenbin Song , Hu Vincent , Li Leo List-Id: linux-i2c@vger.kernel.org On Tue, 2015-09-22 at 23:15 +0100, Mark Rutland wrote: > On Tue, Sep 22, 2015 at 10:50:21AM +0100, Hou Zhiqiang wrote: > > > > + ifc: ifc@1530000{ > > > > + compatible = "fsl,ifc", "simple-bus"; > > > > + reg = <0x0 0x1530000 0x0 0x10000>; > > > > + interrupts = <0 43 0x4>; > > > > + }; > > > > > > Why simple-bus? > > > > There are 3 child node located in dtsi file that should be created and > > added > > to platform device list. > > Are they usable even if the kernel knew nothing about the IFC node? Yes, except for NAND. > If not, the IFC driver should probe them, and simple-bus should go. IFC is not a new binding. IFC nodes are expected to have simple-bus. -Scott -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 From: scottwood@freescale.com (Scott Wood) Date: Tue, 22 Sep 2015 17:43:24 -0500 Subject: [PATCH 4/6] arm64/ls1043a: add DTS for Freescale LS1043A SoC In-Reply-To: <20150922221504.GA1497@svinekod> References: <1442838158-2964-1-git-send-email-B48286@freescale.com> <1442838158-2964-5-git-send-email-B48286@freescale.com> <20150922012403.GA1535@svinekod> <20150922221504.GA1497@svinekod> Message-ID: <1442961804.19102.294.camel@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 2015-09-22 at 23:15 +0100, Mark Rutland wrote: > On Tue, Sep 22, 2015 at 10:50:21AM +0100, Hou Zhiqiang wrote: > > > > + ifc: ifc at 1530000{ > > > > + compatible = "fsl,ifc", "simple-bus"; > > > > + reg = <0x0 0x1530000 0x0 0x10000>; > > > > + interrupts = <0 43 0x4>; > > > > + }; > > > > > > Why simple-bus? > > > > There are 3 child node located in dtsi file that should be created and > > added > > to platform device list. > > Are they usable even if the kernel knew nothing about the IFC node? Yes, except for NAND. > If not, the IFC driver should probe them, and simple-bus should go. IFC is not a new binding. IFC nodes are expected to have simple-bus. -Scott