From patchwork Mon Dec 5 02:56:16 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 9460237 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4A04760231 for ; Mon, 5 Dec 2016 02:57:34 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3486220855 for ; Mon, 5 Dec 2016 02:57:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 27641212DA; Mon, 5 Dec 2016 02:57:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 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.wl.linuxfoundation.org (Postfix) with ESMTPS id C3DA520855 for ; Mon, 5 Dec 2016 02:57:31 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cDjT7-000558-0c; Mon, 05 Dec 2016 02:57:29 +0000 Received: from lucky1.263xmail.com ([211.157.147.135]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1cDjSx-0004p8-CK; Mon, 05 Dec 2016 02:57:21 +0000 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.152]) by lucky1.263xmail.com (Postfix) with ESMTP id 722749D7; Mon, 5 Dec 2016 10:56:44 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id DAF203F1; Mon, 5 Dec 2016 10:56:41 +0800 (CST) X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: dwmw2@infradead.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: <55255360bd572f1ed39d0dea4fb9f5f8> X-ATTACHMENT-NUM: 0 X-SENDER: lintao@rock-chips.com X-DNS-TYPE: 0 Received: from unknown (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith SMTP id 132829T2IR0; Mon, 05 Dec 2016 10:56:43 +0800 (CST) From: Shawn Lin To: David Woodhouse , Brian Norris Subject: [PATCH v3 1/2] mtd: spi-nor: Bindings for Rockchip serial flash controller Date: Mon, 5 Dec 2016 10:56:16 +0800 Message-Id: <1480906577-38455-2-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1480906577-38455-1-git-send-email-shawn.lin@rock-chips.com> References: <1480906577-38455-1-git-send-email-shawn.lin@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161204_185720_108924_6AA966BA X-CRM114-Status: UNSURE ( 8.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Heiko Stuebner , Marek Vasut , Shawn Lin , linux-rockchip@lists.infradead.org, Rob Herring , linux-mtd@lists.infradead.org, Cyrille Pitchen MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add binding document for the Rockchip serial flash controller. Signed-off-by: Shawn Lin Acked-by: Rob Herring --- Changes in v3: - rename sfc-no-dma to sfc-no-DMA Changes in v2: None .../devicetree/bindings/mtd/rockchip-sfc.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/rockchip-sfc.txt diff --git a/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt new file mode 100644 index 0000000..c6b4f58 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt @@ -0,0 +1,31 @@ +Rockchip Serial Flash Controller + +Required properties: +- compatible : Should be + "rockchip,rk1108-sfc", "rockchip,sfc" for ROCKCHIP RK1108. +- address-cells : Should be 1. +- size-cells : Should be 0. +- clocks: Must contain two entries for each entry in clock-names. +- clock-names: Shall be "sfc" for the transfer-clock, and "hsfc" for + the peripheral clock. +- interrupts : Should contain the interrupt for the device. +- reg: Physical base address of the controller and length of memory mapped. + +Optional properties: +- rockchip,sfc-no-DMA: Indicate the controller doesn't support dma transfer. + +Example: +nor_flash: sfc@301c0000 { + compatible = "rockchip,rk1108-sfc", "rockchip,sfc"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; + clock-names = "sfc", "hsfc"; + interrupts = ; + reg = <0x301c0000 0x1000>; + spi-nor@0 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <12000000>; + reg = <0>; + }; +};