From patchwork Tue Jan 30 20:22:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 10192431 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 9E0C6601A0 for ; Tue, 30 Jan 2018 20:24:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8F6EE26AE3 for ; Tue, 30 Jan 2018 20:24:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 83D0827BA5; Tue, 30 Jan 2018 20:24:06 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI 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 10C9826AE3 for ; Tue, 30 Jan 2018 20:24:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752061AbeA3UYF (ORCPT ); Tue, 30 Jan 2018 15:24:05 -0500 Received: from relmlor3.renesas.com ([210.160.252.173]:54493 "EHLO relmlie2.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752051AbeA3UYE (ORCPT ); Tue, 30 Jan 2018 15:24:04 -0500 Received: from unknown (HELO relmlir4.idc.renesas.com) ([10.200.68.154]) by relmlie2.idc.renesas.com with ESMTP; 31 Jan 2018 05:24:03 +0900 Received: from relmlii1.idc.renesas.com (relmlii1.idc.renesas.com [10.200.68.65]) by relmlir4.idc.renesas.com (Postfix) with ESMTP id B91325B7E8; Wed, 31 Jan 2018 05:24:03 +0900 (JST) X-IronPort-AV: E=Sophos;i="5.46,436,1511794800"; d="scan'208";a="269795819" Received: from unknown (HELO fabrizio-dev.ree.adwin.renesas.com) ([10.226.37.88]) by relmlii1.idc.renesas.com with ESMTP; 31 Jan 2018 05:23:58 +0900 From: Fabrizio Castro To: Philipp Zabel , Rob Herring , Mark Rutland , Wim Van Sebroeck , Russell King , Catalin Marinas , Will Deacon , Michael Turquette , Stephen Boyd , Simon Horman , Magnus Damm , Geert Uytterhoeven , Wolfram Sang Cc: Guenter Roeck , devicetree@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Chris Paterson , Biju Das , Fabrizio Castro , Ramesh Shanmugasundaram Subject: [RFC v3 10/25] dt-bindings: watchdog: renesas-wdt: Add R-Car Gen2 support Date: Tue, 30 Jan 2018 20:22:43 +0000 Message-Id: <1517343778-27902-11-git-send-email-fabrizio.castro@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1517343778-27902-1-git-send-email-fabrizio.castro@bp.renesas.com> References: <1517343778-27902-1-git-send-email-fabrizio.castro@bp.renesas.com> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This commit documents the compatibility with R-Car Gen2 and RZ/G devices by defining the generic compatible string "renesas,rcar-gen2-wdt". Also, this patch expands the list of SoC-specific compatible strings to include RZ/G and R-Car Gen2 devices. Signed-off-by: Fabrizio Castro Signed-off-by: Ramesh Shanmugasundaram Reviewed-by: Geert Uytterhoeven --- v1->v3: * made description less generic and added compatible strings for r8a779[0-4] .../devicetree/bindings/watchdog/renesas-wdt.txt | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt index bf6d1ca..a983a74 100644 --- a/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt +++ b/Documentation/devicetree/bindings/watchdog/renesas-wdt.txt @@ -1,17 +1,25 @@ Renesas Watchdog Timer (WDT) Controller Required properties: -- compatible : Should be "renesas,-wdt", and - "renesas,rcar-gen3-wdt" or "renesas,rza-wdt" as fallback. + - compatible : Must be "renesas,-wdt", followed by a generic + fallback compatible string when compatible with the generic + version. Examples with soctypes are: + - "renesas,r8a7743-wdt" (RZ/G1M) + - "renesas,r8a7745-wdt" (RZ/G1E) + - "renesas,r8a7790-wdt" (R-Car H2) + - "renesas,r8a7791-wdt" (R-Car M2-W) + - "renesas,r8a7792-wdt" (R-Car V2H) + - "renesas,r8a7793-wdt" (R-Car M2-N) + - "renesas,r8a7794-wdt" (R-Car E2) - "renesas,r8a7795-wdt" (R-Car H3) - "renesas,r8a7796-wdt" (R-Car M3-W) - "renesas,r8a77995-wdt" (R-Car D3) - "renesas,r7s72100-wdt" (RZ/A1) + The generic compatible string must be: + - "renesas,rcar-gen2-wdt" for R-Car Gen2 and RZ/G + - "renesas,rcar-gen3-wdt" for R-Car Gen3 - When compatible with the generic version, nodes must list the SoC-specific - version corresponding to the platform first, followed by the generic - version. - reg : Should contain WDT registers location and length - clocks : the clock feeding the watchdog timer.