From patchwork Fri Dec 21 11:45:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianxin Pan X-Patchwork-Id: 10740323 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 337551399 for ; Fri, 21 Dec 2018 11:46:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 21C90284EE for ; Fri, 21 Dec 2018 11:46:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 14E4C285A9; Fri, 21 Dec 2018 11:46:19 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C095D284EE for ; Fri, 21 Dec 2018 11:46:18 +0000 (UTC) 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:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: 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: List-Owner; bh=oLBnDtckMs2oz0wt6Nhm2i7D435hLu/hrNc4PMEapeI=; b=Y2fvOpIK0synId 04bCgpOdmfi1pgB0SmtTKZA1AWHUXuRCIpWX0qCGhG2Z3kbjBFjgzDQi88kq2SuimOK7X3DgwHvMT bIYM0uQlhtm+GGK6Cej3i20+nHeRi4PCmxINGhvxj8Bx0/VWLeiAsmTQvZH//o6/AMRYcdnm1oxC3 tcT2eV2ZHO+u0Yk4hP1qx6d1G88zd1CO2QRVHqE8tIsJybGC0LBwVAkjprBmleD5wxaWKO9huURgm 3j//sH9XlxlH8pBTdFMQq8LL2Q9zpP7xFSI+5oD8WIYGieSxZ1eFOb7O7zwbIKNDLRcQLwXICRnDx C/eBIVZBu6DL04M0Elsw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gaJFw-0005Yo-7n; Fri, 21 Dec 2018 11:46:16 +0000 Received: from mail-sh2.amlogic.com ([58.32.228.45]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gaJFj-00059M-Go; Fri, 21 Dec 2018 11:46:07 +0000 Received: from localhost.localdomain (10.18.11.217) by mail-sh2.amlogic.com (10.18.11.6) with Microsoft SMTP Server id 15.0.1320.4; Fri, 21 Dec 2018 19:46:00 +0800 From: Jianxin Pan To: Boris Brezillon , Subject: [PATCH RESEND v8 1/2] dt-bindings: nand: meson: add Amlogic NAND controller driver Date: Fri, 21 Dec 2018 19:45:23 +0800 Message-ID: <1545392724-6637-2-git-send-email-jianxin.pan@amlogic.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1545392724-6637-1-git-send-email-jianxin.pan@amlogic.com> References: <1545392724-6637-1-git-send-email-jianxin.pan@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.18.11.217] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181221_034604_360971_92579351 X-CRM114-Status: GOOD ( 11.41 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Herring , Hanjie Lin , Victor Wan , Jianxin Pan , Neil Armstrong , Martin Blumenstingl , Richard Weinberger , Yixun Lan , linux-kernel@vger.kernel.org, Marek Vasut , devicetree@vger.kernel.org, Liang Yang , Jian Hu , Kevin Hilman , Miquel Raynal , Carlo Caione , linux-amlogic@lists.infradead.org, Brian Norris , David Woodhouse , linux-arm-kernel@lists.infradead.org, Jerome Brunet Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Liang Yang Add Amlogic NAND controller dt-bindings for Meson SoC, Current this driver support GXBB/GXL/AXG platform. Signed-off-by: Liang Yang Signed-off-by: Yixun Lan Signed-off-by: Jianxin Pan Reviewed-by: Rob Herring --- .../devicetree/bindings/mtd/amlogic,meson-nand.txt | 60 ++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt new file mode 100644 index 0000000..3983c11 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt @@ -0,0 +1,60 @@ +Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs + +This file documents the properties in addition to those available in +the MTD NAND bindings. + +Required properties: +- compatible : contains one of: + - "amlogic,meson-gxl-nfc" + - "amlogic,meson-axg-nfc" +- clocks : + A list of phandle + clock-specifier pairs for the clocks listed + in clock-names. + +- clock-names: Should contain the following: + "core" - NFC module gate clock + "device" - device clock from eMMC sub clock controller + "rx" - rx clock phase + "tx" - tx clock phase + +- amlogic,mmc-syscon : Required for NAND clocks, it's shared with SD/eMMC + controller port C + +Optional children nodes: +Children nodes represent the available nand chips. + +Other properties: +see Documentation/devicetree/bindings/mtd/nand.txt for generic bindings. + +Example demonstrate on AXG SoC: + + sd_emmc_c_clkc: mmc@7000 { + compatible = "amlogic,meson-axg-mmc-clkc", "syscon"; + reg = <0x0 0x7000 0x0 0x800>; + }; + + nand-controller@7800 { + compatible = "amlogic,meson-axg-nfc"; + reg = <0x0 0x7800 0x0 0x100>; + #address-cells = <1>; + #size-cells = <0>; + interrupts = ; + + clocks = <&clkc CLKID_SD_EMMC_C>, + <&sd_emmc_c_clkc CLKID_MMC_DIV>, + <&sd_emmc_c_clkc CLKID_MMC_PHASE_RX>, + <&sd_emmc_c_clkc CLKID_MMC_PHASE_TX>; + clock-names = "core", "device", "rx", "tx"; + amlogic,mmc-syscon = <&sd_emmc_c_clkc>; + + pinctrl-names = "default"; + pinctrl-0 = <&nand_pins>; + + nand@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <1>; + + nand-on-flash-bbt; + }; + };