From patchwork Tue Nov 7 20:38:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tero Kristo X-Patchwork-Id: 10047231 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 EECEF6032D for ; Tue, 7 Nov 2017 20:41:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DD0A828C3F for ; Tue, 7 Nov 2017 20:41:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D1BE729225; Tue, 7 Nov 2017 20:41:57 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 52D1428C3F for ; Tue, 7 Nov 2017 20:41:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933450AbdKGUl4 (ORCPT ); Tue, 7 Nov 2017 15:41:56 -0500 Received: from fllnx209.ext.ti.com ([198.47.19.16]:38801 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933304AbdKGUlz (ORCPT ); Tue, 7 Nov 2017 15:41:55 -0500 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by fllnx209.ext.ti.com (8.15.1/8.15.1) with ESMTP id vA7KeQgE013930; Tue, 7 Nov 2017 14:40:26 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ti.com; s=ti-com-17Q1; t=1510087226; bh=DCkUEcakBqVEoK3P041dt2AFuD04DvdvLbL5ts8HJk8=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=vZXEAl0cfOXTkJ2Tg5gRjpYE9rG8RHs31r1OkjtZkCui6mwZlGdx0pmkthu99Or8S GhkGA2S+ewWEKtLfGqajrmBunDSGu+DSwRy+KEOkZ9PzZK03BDeWGI6lrIdWSfi5o0 2EX0jtvOFQLfI8mU5lDitJkTMLv+0cBy5nC1w+sU= Received: from DFLE103.ent.ti.com (dfle103.ent.ti.com [10.64.6.24]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id vA7KeLv8030226; Tue, 7 Nov 2017 14:40:21 -0600 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE103.ent.ti.com (10.64.6.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.1.845.34; Tue, 7 Nov 2017 14:40:20 -0600 Received: from dflp33.itg.ti.com (10.64.6.16) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.845.34 via Frontend Transport; Tue, 7 Nov 2017 14:40:20 -0600 Received: from gomoku.home (ileax41-snat.itg.ti.com [10.172.224.153]) by dflp33.itg.ti.com (8.14.3/8.13.8) with ESMTP id vA7KeFwU016393; Tue, 7 Nov 2017 14:40:18 -0600 From: Tero Kristo To: , , , , CC: Tony Lindgren , Santosh Shilimkar , Rob Herring Subject: [PATCH 1/3] Documentation: dt: memory: ti-emif: add edac support under emif Date: Tue, 7 Nov 2017 22:38:57 +0200 Message-ID: <1510087139-21885-2-git-send-email-t-kristo@ti.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1510087139-21885-1-git-send-email-t-kristo@ti.com> References: <1510087139-21885-1-git-send-email-t-kristo@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Certain revisions of the TI EMIF IP contain ECC support in them. Reflect this in the DT binding. Signed-off-by: Tero Kristo Cc: Tony Lindgren Cc: Santosh Shilimkar Cc: Rob Herring --- .../devicetree/bindings/memory-controllers/ti/emif.txt | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt index 0db6047..f56a347 100644 --- a/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt +++ b/Documentation/devicetree/bindings/memory-controllers/ti/emif.txt @@ -3,12 +3,16 @@ EMIF - External Memory Interface - is an SDRAM controller used in TI SoCs. EMIF supports, based on the IP revision, one or more of DDR2/DDR3/LPDDR2 protocols. This binding describes a given instance -of the EMIF IP and memory parts attached to it. +of the EMIF IP and memory parts attached to it. Certain revisions +of the EMIF IP controller also contain optional ECC support, which +corrects one bit errors and detects two bit errors. Required properties: - compatible : Should be of the form "ti,emif-" where is the IP revision of the specific EMIF instance. For am437x should be ti,emif-am4372. + For dra7xx should be ti,emif-dra7xx. + For k2x family, should be ti,emif-keystone. - phy-type : indicating the DDR phy type. Following are the allowed values @@ -42,6 +46,10 @@ Optional properties: - hw-caps-temp-alert : Have this property if the controller has capability for generating SDRAM temperature alerts +- interrupts : A list of interrupt specifiers for memory + controller interrupts, if available. Required for EMIF instances + that support ECC. + Example: emif1: emif@0x4c000000 { @@ -54,3 +62,9 @@ emif1: emif@0x4c000000 { hw-caps-ll-interface; hw-caps-temp-alert; }; + +emif1: emif@4c000000 { + compatible = "ti,emif-dra7"; + reg = <0x4c000000 0x200>; + interrupts = ; +};