From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pd0-x22e.google.com ([2607:f8b0:400e:c02::22e]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XuXyP-0003GE-NT for linux-mtd@lists.infradead.org; Sat, 29 Nov 2014 02:41:26 +0000 Received: by mail-pd0-f174.google.com with SMTP id w10so7473738pde.19 for ; Fri, 28 Nov 2014 18:41:04 -0800 (PST) Date: Sat, 29 Nov 2014 10:40:50 +0800 From: Huang Shijie To: Stefan Roese Subject: Re: [PATCH] mtd: gpmi: Remove "We support only one NAND chip" from bindings doc Message-ID: <20141129024047.GA5056@localhost.localdomain> References: <1417097929-17832-1-git-send-email-sr@denx.de> <20141128014832.GA3113@localhost.localdomain> <54781DD5.5030801@denx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <54781DD5.5030801@denx.de> Cc: devicetree@vger.kernel.org, Brian Norris , linux-mtd@lists.infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Fri, Nov 28, 2014 at 08:01:41AM +0100, Stefan Roese wrote: > On 28.11.2014 02:48, Huang Shijie wrote: > >On Thu, Nov 27, 2014 at 03:18:49PM +0100, Stefan Roese wrote: > >>This sentence "We support only one NAND chip now" is not true any more. > >>Multiple chips are supported. So lets remove this sentence to not > > > >The gpmi can only supports one chip. Of course, there are maybe two dies > >in this single chip. > > Now I'm a bit confused. The i.MX6 supports 4 chips select signals. And isn't > "two dies in this single chip" not practically the same as connecting 2 (or > more) chips (same device) to multiple chip selects of the SoC? Where is the > difference here? The "one chip" here is means the "one package" (TSOP or BGA ....). (In logic, "two dies in this single chip" is same as connecting 2 chips to the gpmi.) thanks Huang Shijie