From patchwork Fri Sep 18 06:58:51 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bayi Cheng X-Patchwork-Id: 7213401 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E7EF69F72C for ; Fri, 18 Sep 2015 07:02:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B2B9B208D2 for ; Fri, 18 Sep 2015 07:02:17 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D3209208CC for ; Fri, 18 Sep 2015 07:02:16 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcpeV-0003AM-M7; Fri, 18 Sep 2015 07:00:11 +0000 Received: from [210.61.82.184] (helo=mailgw02.mediatek.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcpeC-0002Bf-4C; Fri, 18 Sep 2015 06:59:53 +0000 X-Listener-Flag: 11101 Received: from mtkhts07.mediatek.inc [(172.21.101.69)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 1111422577; Fri, 18 Sep 2015 14:59:20 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkhts07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Fri, 18 Sep 2015 14:59:18 +0800 From: Bayi Cheng To: David Woodhouse , Brian Norris Subject: [PATCH v2 1/3] doc: dt: add documentation for Mediatek spi-nor controller Date: Fri, 18 Sep 2015 14:58:51 +0800 Message-ID: <1442559533-17552-2-git-send-email-bayi.cheng@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1442559533-17552-1-git-send-email-bayi.cheng@mediatek.com> References: <1442559533-17552-1-git-send-email-bayi.cheng@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150917_235952_487801_BE091A89 X-CRM114-Status: GOOD ( 17.63 ) X-Spam-Score: -1.1 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Bayi Cheng , srv_heupstream@mediatek.com, Pawel Moll , Ian Campbell , Sascha Hauer , linux-kernel@vger.kernel.org, Daniel Kurtz , jteki@openedev.com, Rob Herring , linux-mediatek@lists.infradead.org, ezequiel@vanduardiasur.com.ar, Kumar Gala , Matthias Brugger , linux-mtd@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add device tree binding documentation for serial flash with Mediatek serial flash controller Signed-off-by: Bayi Cheng --- .../devicetree/bindings/mtd/mtk_quadspi.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/mtk_quadspi.txt diff --git a/Documentation/devicetree/bindings/mtd/mtk_quadspi.txt b/Documentation/devicetree/bindings/mtd/mtk_quadspi.txt new file mode 100644 index 0000000..380b907 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/mtk_quadspi.txt @@ -0,0 +1,27 @@ +* MTD SPI nor driver for MTK MT81xx (and similar) serial flash controller + +Required properties: +- compatible: should be "mediatek,mt8173-nor"; +- reg: physical base address and length of the controller's register +- clocks: the phandle of the clock needed by the QuadSPI controller +- clock-names: the name of the clocks + See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. +- #address-cells: should be <1> +- #size-cells: should be <0> + +Example: + +nor_flash: spi@1100d000 { + compatible = "mediatek,mt8173-nor"; + reg = <0 0x1100d000 0 0xe0>; + clocks = <&pericfg CLK_PERI_SPI>, + <&topckgen CLK_TOP_SPINFI_IFR_SEL>; + clock-names = "spi", "sf"; + #address-cells = <1>; + #size-cells = <0>; + + flash@0 { + .... + }; +}; +