From patchwork Tue Sep 8 09:49:54 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bayi Cheng X-Patchwork-Id: 7139631 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 9288C9F402 for ; Tue, 8 Sep 2015 09:53:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B3D6020709 for ; Tue, 8 Sep 2015 09:53:28 +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 5619C20706 for ; Tue, 8 Sep 2015 09:53:27 +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 1ZZFYU-0006By-TM; Tue, 08 Sep 2015 09:51:10 +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 1ZZFYD-0005zj-Du; Tue, 08 Sep 2015 09:50:56 +0000 X-Listener-Flag: 11101 Received: from mtkhts09.mediatek.inc [(172.21.101.70)] by mailgw02.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 992427525; Tue, 08 Sep 2015 17:50:28 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkhts09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 14.3.181.6; Tue, 8 Sep 2015 17:50:26 +0800 From: Bayi Cheng To: David Woodhouse , Brian Norris Subject: [PATCH 1/3] doc: dt: add documentation for Mediatek spi-nor controller Date: Tue, 8 Sep 2015 17:49:54 +0800 Message-ID: <1441705796-11365-2-git-send-email-bayi.cheng@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1441705796-11365-1-git-send-email-bayi.cheng@mediatek.com> References: <1441705796-11365-1-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-20150908_025053_678254_375D399B X-CRM114-Status: GOOD ( 15.66 ) 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, Pawel Moll , Ian Campbell , Sascha Hauer , linux-kernel@vger.kernel.org, Daniel Kurtz , Rob Herring , linux-mediatek@lists.infradead.org, Bayi Cheng , 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 --- Documentation/devicetree/bindings/mtd/mtk_nor.txt | 25 +++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/mtk_nor.txt diff --git a/Documentation/devicetree/bindings/mtd/mtk_nor.txt b/Documentation/devicetree/bindings/mtd/mtk_nor.txt new file mode 100644 index 0000000..0eca0cd --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/mtk_nor.txt @@ -0,0 +1,25 @@ +* MTD SPI nor driver for MTK MT81xx (and similar) serial flash controller + +MTK MT81xx serial flash controller is designed for serial Flash device. +It supports one Flash device with signal mode, dual mode and quad mode. + +Required properties: +- compatible: should be "mediatek,mt8173-nor"; +- reg: physical base address and length of the controller's register +- clocks: spi nor source clock +- clock-names: "spi_clk", "axi_clk", "mux_clk", "sf_clk" + +See Documentation/devicetree/bindings/clock/clock-bindings.txt +and Documentation/mtd/spi-nor.txt for details. + +Example: +nor_flash: nor@1100d000 { + compatible = "mediatek,mt8173-nor"; + reg = <0 0x1100d000 0 0xe0>; + clocks = <&pericfg CLK_PERI_SPI>, + <&topckgen CLK_TOP_AXI_SEL>, + <&topckgen CLK_TOP_UNIVPLL2_D8>, + <&topckgen CLK_TOP_SPINFI_IFR_SEL>; + clock-names = "spi_clk", "axi_clk", "mux_clk", "sf_clk"; +}; +