From patchwork Fri Apr 26 16:42:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pawe=C5=82_Chmiel?= X-Patchwork-Id: 1091638 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="nJyPCLZ3"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44rKcC2DgMz9s70 for ; Sat, 27 Apr 2019 02:43:07 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726483AbfDZQmw (ORCPT ); Fri, 26 Apr 2019 12:42:52 -0400 Received: from mail-lf1-f68.google.com ([209.85.167.68]:39466 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726173AbfDZQmj (ORCPT ); Fri, 26 Apr 2019 12:42:39 -0400 Received: by mail-lf1-f68.google.com with SMTP id d12so2949329lfk.6; Fri, 26 Apr 2019 09:42:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=xuIU2BQoWzCiQ5FUAaKlSoiV2sVXtdwFfbdEhHMztTg=; b=nJyPCLZ3ErXNfXIjsfl5woXrqnWv2QZqmaztLmTuDHbc8Pm6jl+xN4GyYqWz4/+atE x/Krc5kqtqsgPSBxsx1kCTKIAyD7rMdQFUSpi3TwwZU7cAXHOKm+urN6HAoUiG3+pDde Z/7ar+DwOLS6ABUfEDthSB2ccA/Dwv1pCDbwYT3RpwBeJs8z1Qy0+DflkKU/IQmRwAKG 105vW23kC0BwCHqVpmnxGRUYIPUJLEvLuVAN+xRAtxsBj1qoJPsvOci6zjmjDxqQ0faF 7hCO88ooXCOZJNlba4guRggFXBcI4aixK6to8I9yrtAiU7M/X4+tausPBMSy0IFgwgZJ 9eGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=xuIU2BQoWzCiQ5FUAaKlSoiV2sVXtdwFfbdEhHMztTg=; b=GUFBKOUw8oxUa2j/txa9kW236wnEwpWDe44JFcn9ukBTT34pUvruKdbeTrWQRdq2n4 ki61eWhW3qr44LPm3tHC4dpUpPWchehtyCEMe9UHM8MLOUFfUd4yWFNBj1nwNZpVsyER mtpHb/wn3D6Wl/MiClUFV/3GcIhi7rFNsqYsYDka3Q6kx89kzAk6AAwM/cA2EAF+wcpV xHtYkR31DkRoQCJGFQec1WZPeu2BE7ZBH9Px94ZLXI+oHeTDl+v2piOjLZgepjwzrvZo B9O89vJwofVE5uy5g/Kbwu/kXMHrdF4NgfBeEWNedCRnqnjOAGeWmsUEOBxRuoNY0zVK eflg== X-Gm-Message-State: APjAAAUXMFZG7H5HazVqAVHf0laQc2z+tdtEvYjKzxD454MegI5c1vfa nt98lsmexOhwKt921ybFbzc= X-Google-Smtp-Source: APXvYqxIhxB+pq7CSTz418WnS4sJZ3rJXeFB7fOmACoTnFhM5FbWtx1wP6RXgY3VH+fDux3BIpC9Ew== X-Received: by 2002:ac2:5495:: with SMTP id t21mr24993782lfk.3.1556296958026; Fri, 26 Apr 2019 09:42:38 -0700 (PDT) Received: from localhost.localdomain ([2a02:a315:5445:5300:2492:ad61:69f1:23cc]) by smtp.googlemail.com with ESMTPSA id q11sm5637807lfc.51.2019.04.26.09.42.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Apr 2019 09:42:37 -0700 (PDT) From: =?utf-8?q?Pawe=C5=82_Chmiel?= To: kyungmin.park@samsung.com Cc: bbrezillon@kernel.org, miquel.raynal@bootlin.com, richard@nod.at, dwmw2@infradead.org, computersforpeace@gmail.com, marek.vasut@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Tomasz Figa , =?utf-8?q?Pawe=C5=82_Chmiel?= Subject: [PATCH 4/5] dt-binding: mtd: onenand/samsung: Add device tree support Date: Fri, 26 Apr 2019 18:42:23 +0200 Message-Id: <20190426164224.11327-5-pawel.mikolaj.chmiel@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190426164224.11327-1-pawel.mikolaj.chmiel@gmail.com> References: <20190426164224.11327-1-pawel.mikolaj.chmiel@gmail.com> MIME-Version: 1.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Tomasz Figa This patch adds dt-bindings for Samsung OneNAND driver. Signed-off-by: Tomasz Figa Signed-off-by: Paweł Chmiel --- .../bindings/mtd/samsung-onenand.txt | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/mtd/samsung-onenand.txt diff --git a/Documentation/devicetree/bindings/mtd/samsung-onenand.txt b/Documentation/devicetree/bindings/mtd/samsung-onenand.txt new file mode 100644 index 000000000000..341d97cc1513 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/samsung-onenand.txt @@ -0,0 +1,46 @@ +Device tree bindings for Samsung SoC OneNAND controller + +Required properties: + - compatible : value should be either of the following. + (a) "samsung,s3c6400-onenand" - for onenand controller compatible with + S3C6400 SoC, + (b) "samsung,s3c6410-onenand" - for onenand controller compatible with + S3C6410 SoC, + (c) "samsung,s5pc100-onenand" - for onenand controller compatible with + S5PC100 SoC, + (d) "samsung,s5pv210-onenand" - for onenand controller compatible with + S5PC110/S5PV210 SoCs. + + - reg : two memory mapped register regions: + - first entry: control registers. + - second and next entries: memory windows of particular OneNAND chips; + for variants a), b) and c) only one is allowed, in case of d) up to + two chips can be supported. + + - interrupt-parent : phandle of interrupt controller to which the OneNAND + controller is wired, + - interrupts : specifier of interrupt signal to which the OneNAND controller + is wired; should contain just one entry. + - clock-names : should contain two entries: + - "bus" - bus clock of the controller, + - "onenand" - clock supplied to OneNAND memory. + - clock: should contain list of phandles and specifiers for all clocks listed + in clock-names property. + - #address-cells : must be 1, + - #size-cells : must be 1. + +For partition table parsing (optional) please refer to: + [1] Documentation/devicetree/bindings/mtd/partition.txt + +Example for an s5pv210 board: + + onenand@b0600000 { + compatible = "samsung,s5pv210-onenand"; + reg = <0xb0600000 0x2000>, <0xb0000000 0x20000>; + interrupt-parent = <&vic1>; + interrupts = <31>; + clock-names = "bus", "onenand"; + clocks = <&clocks NANDXL>, <&clocks DOUT_FLASH>; + #address-cells = <1>; + #size-cells = <1>; + };