From patchwork Mon May 14 16:20:02 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksandr Shamray X-Patchwork-Id: 10398879 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 E40726038F for ; Mon, 14 May 2018 16:22:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D150127FB7 for ; Mon, 14 May 2018 16:22:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C56ED28382; Mon, 14 May 2018 16:22:16 +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=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, MAILING_LIST_MULTI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 328CC27FB7 for ; Mon, 14 May 2018 16:22:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=yfna3VXoMFHGOeKScfMvqo3fy0cRXDId90pkMV4wZ9Y=; b=Hh07ciCODW82KAaUnuRF0QVH83 UDEoOQmIlRJdSZnvLUzeqgo7Pd1KKY1rRhiMHS8dFv/QAP5TEgboRwqeIlleWggBi8eQcJnD3FWML PWXrXr4tetVmIEebxGaREYGux8xDIEww8ERd6ilAo+yQ/7B8vVv9K/95kj6vT1tVt1CG+E26mJ2N+ Lf2J4co0Rj8UAN9XyBjOQugwM2DoAMt4nBYsmAFPhRmNJv9PNmxnyIwIx4Eo8llU0xvtxothV53r0 Ql4kMI6TvAu/faMtQ1t2xU0j4onFOXbryzx/KdubqV9wq+rHA91aaQAlm/mXoMBZi3ExoNiIjJ+nu xaPpkkWg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fIGEc-0004F2-L5; Mon, 14 May 2018 16:22:02 +0000 Received: from mail-il-dmz.mellanox.com ([193.47.165.129] helo=mellanox.co.il) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fIGCy-00032K-AJ for linux-arm-kernel@lists.infradead.org; Mon, 14 May 2018 16:20:26 +0000 Received: from Internal Mail-Server by MTLPINE1 (envelope-from oleksandrs@mellanox.com) with ESMTPS (AES256-SHA encrypted); 14 May 2018 19:21:56 +0300 Received: from r-vnc16.mtr.labs.mlnx (r-vnc16.mtr.labs.mlnx [10.208.0.16]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id w4EGK3AV020510; Mon, 14 May 2018 19:20:07 +0300 From: Oleksandr Shamray To: gregkh@linuxfoundation.org, arnd@arndb.de Subject: [patch v20 3/4] Documentation: jtag: Add bindings for Aspeed SoC 24xx and 25xx families JTAG master driver Date: Mon, 14 May 2018 19:20:02 +0300 Message-Id: <1526314803-3532-4-git-send-email-oleksandrs@mellanox.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1526314803-3532-1-git-send-email-oleksandrs@mellanox.com> References: <1526314803-3532-1-git-send-email-oleksandrs@mellanox.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180514_092020_854385_433DBD26 X-CRM114-Status: GOOD ( 11.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: system-sw-low-level@mellanox.com, devicetree@vger.kernel.org, jiri@resnulli.us, vadimp@mellanox.com, linux-api@vger.kernel.org, openbmc@lists.ozlabs.org, linux-kernel@vger.kernel.org, openocd-devel-owner@lists.sourceforge.net, Jiri Pirko , robh+dt@kernel.org, joel@jms.id.au, linux-serial@vger.kernel.org, Oleksandr Shamray , tklauser@distanz.ch, mchehab@kernel.org, davem@davemloft.net, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP It has been tested on Mellanox system with BMC equipped with Aspeed 2520 SoC for programming CPLD devices. Signed-off-by: Oleksandr Shamray Signed-off-by: Jiri Pirko Acked-by: Rob Herring --- v19->v20 v18->v19 v17->v18 v16->v17 v15->v16 Comments pointed by Joel Stanley - change clocks = <&clk_apb> to proper clocks = <&syscon ASPEED_CLK_APB> - add reset descriptions in bndings file v14->v15 v13->v14 v12->v13 v11->v12 v10->v11 v9->v10 v8->v9 v7->v8 Comments pointed by pointed by Joel Stanley - Change compatible string to ast2400 and ast2000 V6->v7 Comments pointed by Tobias Klauser - Fix spell "Doccumentation" -> "Documentation" v5->v6 Comments pointed by Tobias Klauser - Small nit: s/documentation/Documentation/ v4->v5 V3->v4 Comments pointed by Rob Herring - delete unnecessary "status" and "reg-shift" descriptions in bndings file v2->v3 Comments pointed by Rob Herring - split Aspeed jtag driver and binding to sepatrate patches - delete unnecessary "status" and "reg-shift" descriptions in bndings file --- .../devicetree/bindings/jtag/aspeed-jtag.txt | 22 ++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/jtag/aspeed-jtag.txt diff --git a/Documentation/devicetree/bindings/jtag/aspeed-jtag.txt b/Documentation/devicetree/bindings/jtag/aspeed-jtag.txt new file mode 100644 index 0000000..7c36eb6 --- /dev/null +++ b/Documentation/devicetree/bindings/jtag/aspeed-jtag.txt @@ -0,0 +1,22 @@ +Aspeed JTAG driver for ast2400 and ast2500 SoC + +Required properties: +- compatible: Should be one of + - "aspeed,ast2400-jtag" + - "aspeed,ast2500-jtag" +- reg contains the offset and length of the JTAG memory + region +- clocks root clock of bus, should reference the APB + clock in the second cell +- resets phandle to reset controller with the reset number in + the second cell +- interrupts should contain JTAG controller interrupt + +Example: +jtag: jtag@1e6e4000 { + compatible = "aspeed,ast2500-jtag"; + reg = <0x1e6e4000 0x1c>; + clocks = <&syscon ASPEED_CLK_APB>; + resets = <&syscon ASPEED_RESET_JTAG_MASTER>; + interrupts = <43>; +};