From patchwork Mon Nov 30 14:26:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Lifshitz X-Patchwork-Id: 7726471 Return-Path: X-Original-To: patchwork-linux-omap@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 076549F1C0 for ; Mon, 30 Nov 2015 14:27:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0F2752053D for ; Mon, 30 Nov 2015 14:27:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3212B20531 for ; Mon, 30 Nov 2015 14:27:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753995AbbK3O1g (ORCPT ); Mon, 30 Nov 2015 09:27:36 -0500 Received: from softlayer.compulab.co.il ([50.23.254.55]:44085 "EHLO compulab.co.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753824AbbK3O1f (ORCPT ); Mon, 30 Nov 2015 09:27:35 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=compulab.co.il; s=default; h=References:In-Reply-To:Message-Id:Date:Subject :Cc:To:From; bh=2K/2oJ6tHaQM+2DntrRtagsNpdvJHfC13YGUg5M+1nI=; b=BHaY5ZP2mkEI8 F3YnsxfGDoWPkU+KmZzt3ma3Hp7Xw41W0qokbCEnMKAXJwKbfFslQuJH7QdN2XQpz9hoIczL28Mh9 uNinv1mF62c9ZWKCABro8DQc1VqVIzF9ATwKt24pdbrWCrqsPuTQqf0KduYcUuTR+PSnSt+NEGK7G SZf4=; Received: from [62.90.235.247] (port=36302 helo=zimbra-mta.compulab.co.il) by softlayer.compulab.co.il with esmtp (Exim 4.86) (envelope-from ) id 1a3PQU-0003o9-J2; Mon, 30 Nov 2015 16:27:34 +0200 Received: from localhost (localhost [127.0.0.1]) by zimbra-mta.compulab.co.il (Postfix) with ESMTP id B79B2485869; Mon, 30 Nov 2015 16:27:33 +0200 (IST) Received: from zimbra-mta.compulab.co.il ([127.0.0.1]) by localhost (zimbra-mta.compulab.co.il [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id kksWkGQKn4UA; Mon, 30 Nov 2015 16:27:32 +0200 (IST) Received: from localhost (localhost [127.0.0.1]) by zimbra-mta.compulab.co.il (Postfix) with ESMTP id 648C448586A; Mon, 30 Nov 2015 16:27:32 +0200 (IST) X-Virus-Scanned: amavisd-new at zimbra-mta.compulab.co.il Received: from zimbra-mta.compulab.co.il ([127.0.0.1]) by localhost (zimbra-mta.compulab.co.il [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id bWaNz1Gq9V1A; Mon, 30 Nov 2015 16:27:32 +0200 (IST) Received: from dlifshitz.compulab.local (lifshitz-linux.compulab.local [192.168.11.10]) by zimbra-mta.compulab.co.il (Postfix) with ESMTPSA id 281DE485869; Mon, 30 Nov 2015 16:27:32 +0200 (IST) From: Dmitry Lifshitz To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: Toni Lindgren , Igor Grinberg , Nikita Kiryanov , Ian Campbell , Nishanth Menon , Dmitry Lifshitz Subject: [PATCH v2 06/18] ARM: am57xx: cl-som-am57x: dts: add spi-flash support Date: Mon, 30 Nov 2015 16:26:44 +0200 Message-Id: <1448893604-719-1-git-send-email-lifshitz@compulab.co.il> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1448433590-1399-7-git-send-email-lifshitz@compulab.co.il> References: <1448433590-1399-7-git-send-email-lifshitz@compulab.co.il> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - softlayer.compulab.co.il X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - compulab.co.il X-Get-Message-Sender-Via: softlayer.compulab.co.il: acl_c_recent_authed_mail_ips_text_entry: lifshitz@compulab.co.il|compulab.co.il X-Authenticated-Sender: softlayer.compulab.co.il: lifshitz@compulab.co.il Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=unavailable 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 On-board spi-flash chip is used as a main boot device. Add spi-flash chip support (over QSPI bus). Signed-off-by: Dmitry Lifshitz Acked-by: Igor Grinberg --- v2: * Add "spi-max-frequency" property for &qspi node. arch/arm/boot/dts/am57xx-cl-som-am57x.dts | 43 +++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts index 196e7c7..9042185 100644 --- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts +++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts @@ -93,6 +93,17 @@ DRA7XX_CORE_IOPAD(0x3498, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a22.mmc2_dat7 */ >; }; + + qspi1_pins: pinmux_qspi1_pins { + pinctrl-single,pins = < + DRA7XX_CORE_IOPAD(0x3474, PIN_INPUT | MUX_MODE1) /* gpmc_a13.qspi1_rtclk */ + DRA7XX_CORE_IOPAD(0x3480, PIN_INPUT | MUX_MODE1) /* gpmc_a16.qspi1_d0 */ + DRA7XX_CORE_IOPAD(0x3484, PIN_INPUT | MUX_MODE1) /* gpmc_a17.qspi1_d1 */ + DRA7XX_CORE_IOPAD(0x3488, PIN_INPUT | MUX_MODE1) /* qpmc_a18.qspi1_sclk */ + DRA7XX_CORE_IOPAD(0x34b8, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs2.qspi1_cs0 */ + DRA7XX_CORE_IOPAD(0x34bc, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_cs3.qspi1_cs1 */ + >; + }; }; &i2c1 { @@ -332,3 +343,35 @@ cap-mmc-dual-data-rate; }; +&qspi { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&qspi1_pins>; + + spi-max-frequency = <20000000>; + + spi_flash: spi_flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "jedec,spi-nor"; + reg = <0>; /* CS0 */ + spi-max-frequency = <20000000>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <1>; + + partition@0 { + label = "uboot"; + reg = <0x0 0xc0000>; + }; + + partition@c0000 { + label = "uboot environment"; + reg = <0xc0000 0x40000>; + }; + + partition@100000 { + label = "reserved"; + reg = <0x100000 0x0>; + }; + }; +};