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[65.50.211.133]) by mx.google.com with ESMTPS id 67si2233465pfz.229.2017.09.21.22.59.40 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Sep 2017 22:59:44 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-mtd-bounces+patch=linaro.org@lists.infradead.org designates 65.50.211.133 as permitted sender) client-ip=65.50.211.133; Authentication-Results: mx.google.com; dkim=pass header.i=@lists.infradead.org header.s=bombadil.20170209 header.b=uF2HCg0z; dkim=neutral (body hash did not verify) header.i=@nifty.com header.s=dec2015msa header.b=gCHb4X0i; spf=pass (google.com: best guess record for domain of linux-mtd-bounces+patch=linaro.org@lists.infradead.org designates 65.50.211.133 as permitted sender) smtp.mailfrom=linux-mtd-bounces+patch=linaro.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=njfK/KThYlQGDH5yBhNTgBLzNfXUN+I+yp/Lffxv8CU=; b=uF2 HCg0z8UKA//a5ZuKjWevRIscX2A89SRO7a72PuhGuLeJizzk2YOlFwpB1ZWLltbiuuYocs87Tj00W YBZRwD0QgNv7TBtf8xUjkB/Q5PxlCNdtjMw7SQG5dy8gDjrzTWPpeINTK5QXTftU4FirBMdKLjLf+ mdtTnrwq53dAlGZvpiyCfiAQmaz7QzHyrgTAOUODUOTCYHaNA+01kcABKxOZwZSX/W4Hx4msGmFK8 AfVOeuAftKRU6eS3Pnv7gxQUUjdOP++lCjCXSPeIk6KY2oVDqtQYD5BRHKaABNgFxMTFas5x1lvGA GPCn8TWsEulK8XnvuYDMM8mOwN14u1A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1dvGzm-0002o1-4t; Fri, 22 Sep 2017 05:59:26 +0000 Received: from conuserg-07.nifty.com ([210.131.2.74]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dvGzi-0002iN-1o for linux-mtd@lists.infradead.org; Fri, 22 Sep 2017 05:59:24 +0000 Received: from pug.e01.socionext.com (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-07.nifty.com with ESMTP id v8M5wUuZ007666; Fri, 22 Sep 2017 14:58:30 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-07.nifty.com v8M5wUuZ007666 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1506059911; bh=ApVTk3pz+PM98nNQ9jlgxlnPRPQAN7f6osnjs8x08YQ=; h=From:To:Cc:Subject:Date:From; b=gCHb4X0ibbd3K6AS/DiryVSbBaiezmYsJLHWa5V7yaCbpibVv2OQnjAMH4GvrO+qe /sTL3X+dIPLw6FFWhCLYs61b2U239x3J9u6Lk9erNrMls7+ozXDUrMKtVpidqyWmEO FoloWg4YW+9bRi3OpbpG/8YZM4fk4q1rRw3MzWBGLDuKIaudG+yRpbc2LRSHLepEhp wkqZFoJSL37qVh9+rgTiOvtfvs52w5GxnB5lnUD2OCZ4/dR6YfxGFoRs8JGS08RZf+ sJpqpbAqEBcDkQxXfTIZOZn6KtuVJPw8GAcOrC7xp0sdtmlhrzQepmWWV738BfLiZj ppkb1Yhr2Tztw== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-mtd@lists.infradead.org Subject: [PATCH v2] dt-bindings: nand: denali: reduce the register space in the example Date: Fri, 22 Sep 2017 14:58:23 +0900 Message-Id: <1506059903-15552-1-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170921_225922_341379_0B2F1118 X-CRM114-Status: UNSURE ( 8.09 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.2 (-) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-1.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- 0.7 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Richard Weinberger , Oleksij Rempel , Boris Brezillon , Dinh Nguyen , linux-kernel@vger.kernel.org, Masahiro Yamada , Rob Herring , Cyrille Pitchen , Brian Norris , David Woodhouse , Marek Vasut MIME-Version: 1.0 Sender: "linux-mtd" Errors-To: linux-mtd-bounces+patch=linaro.org@lists.infradead.org This example allocates much more than needed for address regions. As for "denali_reg", as you see in drivers/mtd/nand/denali.h, all registers fit in 0x1000. As for "nand_data", this IP is generally configured to use Indexed Addressing mode, where there are only two registers in the address translation module (CTRL: 0x00, DATA: 0x10). Altera SOCFPGA is also this case. So, 0x20 is enough. Signed-off-by: Masahiro Yamada Acked-by: Rob Herring --- Changes in v2: - Add a little more explanation for rationale of this patch Documentation/devicetree/bindings/mtd/denali-nand.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.7.4 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ diff --git a/Documentation/devicetree/bindings/mtd/denali-nand.txt b/Documentation/devicetree/bindings/mtd/denali-nand.txt index 504291d..0ee8edb 100644 --- a/Documentation/devicetree/bindings/mtd/denali-nand.txt +++ b/Documentation/devicetree/bindings/mtd/denali-nand.txt @@ -29,7 +29,7 @@ nand: nand@ff900000 { #address-cells = <1>; #size-cells = <1>; compatible = "altr,socfpga-denali-nand"; - reg = <0xff900000 0x100000>, <0xffb80000 0x10000>; + reg = <0xff900000 0x20>, <0xffb80000 0x1000>; reg-names = "nand_data", "denali_reg"; interrupts = <0 144 4>; };