From patchwork Mon Jul 9 06:36:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 941121 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=none (p=none dis=none) header.from=atomide.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41PFwQ23vcz9s21 for ; Mon, 9 Jul 2018 16:36:22 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754374AbeGIGgV (ORCPT ); Mon, 9 Jul 2018 02:36:21 -0400 Received: from muru.com ([72.249.23.125]:50646 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754367AbeGIGgT (ORCPT ); Mon, 9 Jul 2018 02:36:19 -0400 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 6065680FB; Mon, 9 Jul 2018 06:39:21 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Cc: =?utf-8?q?Beno=C3=AEt_Cousson?= , devicetree@vger.kernel.org, Mark Rutland , Rob Herring , Tero Kristo , Peter Ujfalusi Subject: [PATCH 1/5] dt-bindings: Update omap l4 binding for optional registers Date: Sun, 8 Jul 2018 23:36:08 -0700 Message-Id: <20180709063612.12025-2-tony@atomide.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180709063612.12025-1-tony@atomide.com> References: <20180709063612.12025-1-tony@atomide.com> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The interconnects on omap variants have configuration registers. There are registers for a link agent, one or more interconnect agent, and an optional access protection. Let's also update the example for omap4 l4 per instance as it has multiple interconnect agent registers. For more information, see chapter "Interconnect" in TI techical reference manuals. Cc: Mark Rutland Cc: Rob Herring Cc: Tero Kristo Signed-off-by: Tony Lindgren Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/arm/omap/l4.txt | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/arm/omap/l4.txt b/Documentation/devicetree/bindings/arm/omap/l4.txt --- a/Documentation/devicetree/bindings/arm/omap/l4.txt +++ b/Documentation/devicetree/bindings/arm/omap/l4.txt @@ -7,6 +7,7 @@ Required properties: Should be "ti,omap2-l4-wkup" for OMAP2 family l4 wkup bus Should be "ti,omap3-l4-core" for OMAP3 family l4 core bus Should be "ti,omap4-l4-cfg" for OMAP4 family l4 cfg bus + Should be "ti,omap4-l4-per" for OMAP4 family l4 per bus Should be "ti,omap4-l4-wkup" for OMAP4 family l4 wkup bus Should be "ti,omap5-l4-cfg" for OMAP5 family l4 cfg bus Should be "ti,omap5-l4-wkup" for OMAP5 family l4 wkup bus @@ -15,11 +16,21 @@ Required properties: Should be "ti,am3-l4-wkup" for AM33xx family l4 wkup bus Should be "ti,am4-l4-wkup" for AM43xx family l4 wkup bus - ranges : contains the IO map range for the bus +- reg : registers link agent and interconnect agent and access protection +- reg-names : "la" for link agent, "ia0" to "ia3" for one to three + interconnect agent instances, "ap" for access if it exists Examples: -l4: l4@48000000 { - compatible "ti,omap2-l4", "simple-bus"; +l4: interconnect@48000000 { + compatible "ti,omap4-l4-per", "simple-bus"; + reg = <0x48000000 0x800>, + <0x48000800 0x800>, + <0x48001000 0x400>, + <0x48001400 0x400>, + <0x48001800 0x400>, + <0x48001c00 0x400>; + reg-names = "ap", "la", "ia0", "ia1", "ia2", "ia3"; #address-cells = <1>; #size-cells = <1>; ranges = <0 0x48000000 0x100000>;