From patchwork Fri Dec 11 04:09:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vignesh Raghavendra X-Patchwork-Id: 7824261 Return-Path: X-Original-To: patchwork-linux-spi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C8D31BEEE1 for ; Fri, 11 Dec 2015 04:11:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 01C10204E3 for ; Fri, 11 Dec 2015 04:11:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D31BB204D3 for ; Fri, 11 Dec 2015 04:11:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754246AbbLKEK5 (ORCPT ); Thu, 10 Dec 2015 23:10:57 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:48288 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753780AbbLKEK4 (ORCPT ); Thu, 10 Dec 2015 23:10:56 -0500 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id tBB4ANdx004028; Thu, 10 Dec 2015 22:10:23 -0600 Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id tBB4ANQM018377; Thu, 10 Dec 2015 22:10:23 -0600 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.3.224.2; Thu, 10 Dec 2015 22:10:23 -0600 Received: from uda0132425.apr.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id tBB4A2h7011860; Thu, 10 Dec 2015 22:10:19 -0600 From: Vignesh R To: Tony Lindgren , Brian Norris , Mark Brown CC: Rob Herring , Russell King , , , , , , , , Vignesh R Subject: [PATCH v5 4/5] ARM: dts: DRA7: add entry for qspi mmap region Date: Fri, 11 Dec 2015 09:39:59 +0530 Message-ID: <1449807000-6457-5-git-send-email-vigneshr@ti.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1449807000-6457-1-git-send-email-vigneshr@ti.com> References: <1449807000-6457-1-git-send-email-vigneshr@ti.com> MIME-Version: 1.0 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Add qspi memory mapped region entries for DRA7xx based SoCs. Also, update the binding documents for the controller to document this change. Signed-off-by: Vignesh R Acked-by: Rob Herring --- v5: use syscon to access scm register. Documentation/devicetree/bindings/spi/ti_qspi.txt | 17 +++++++++++++++++ arch/arm/boot/dts/dra7.dtsi | 6 ++++-- 2 files changed, 21 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/ti_qspi.txt b/Documentation/devicetree/bindings/spi/ti_qspi.txt index 601a360531a5..809c3f334316 100644 --- a/Documentation/devicetree/bindings/spi/ti_qspi.txt +++ b/Documentation/devicetree/bindings/spi/ti_qspi.txt @@ -15,6 +15,10 @@ Recommended properties: - spi-max-frequency: Definition as per Documentation/devicetree/bindings/spi/spi-bus.txt +Optional properties: +- syscon-chipselects: Handle to system control region contains QSPI + chipselect register and offset of that register. + Example: qspi: qspi@4b300000 { @@ -26,3 +30,16 @@ qspi: qspi@4b300000 { spi-max-frequency = <25000000>; ti,hwmods = "qspi"; }; + +For dra7xx: +qspi: qspi@4b300000 { + compatible = "ti,dra7xxx-qspi"; + reg = <0x4b300000 0x100>, + <0x5c000000 0x4000000>, + reg-names = "qspi_base", "qspi_mmap"; + syscon-chipselects = <&scm_conf 0x558>; + #address-cells = <1>; + #size-cells = <0>; + spi-max-frequency = <48000000>; + ti,hwmods = "qspi"; +}; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index fe99231cbde5..be91c7781c07 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -1153,8 +1153,10 @@ qspi: qspi@4b300000 { compatible = "ti,dra7xxx-qspi"; - reg = <0x4b300000 0x100>; - reg-names = "qspi_base"; + reg = <0x4b300000 0x100>, + <0x5c000000 0x4000000>; + reg-names = "qspi_base", "qspi_mmap"; + syscon-chipselects = <&scm_conf 0x558>; #address-cells = <1>; #size-cells = <0>; ti,hwmods = "qspi";