Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753604AbdHOKAd (ORCPT ); Tue, 15 Aug 2017 06:00:33 -0400 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:44481 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753516AbdHOKA2 (ORCPT ); Tue, 15 Aug 2017 06:00:28 -0400 From: Oleksandr Shamray To: gregkh@linuxfoundation.org, arnd@arndb.de Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, openbmc@lists.ozlabs.org, joel@jms.id.au, jiri@resnulli.us, tklauser@distanz.ch, linux-serial@vger.kernel.org, mec@shout.net, vadimp@maellanox.com, system-sw-low-level@mellanox.com, robh+dt@kernel.org, openocd-devel-owner@lists.sourceforge.net, Oleksandr Shamray , Jiri Pirko Subject: [patch v3 3/3] doccumentation: jtag: Add bindings for Aspeed SoC 24xx and 25xx families JTAG master driver Date: Tue, 15 Aug 2017 13:00:07 +0300 Message-Id: <1502791207-26951-4-git-send-email-oleksandrs@mellanox.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1502791207-26951-1-git-send-email-oleksandrs@mellanox.com> References: <1502791207-26951-1-git-send-email-oleksandrs@mellanox.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1422 Lines: 43 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 --- 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 | 19 +++++++++++++++++++ 1 files changed, 19 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..4743d6d --- /dev/null +++ b/Documentation/devicetree/bindings/jtag/aspeed-jtag.txt @@ -0,0 +1,19 @@ +Aspeed JTAG driver for ast2400 and ast2500 SoC + +Required properties: +- compatible: Should be one of + - "aspeed,aspeed2400-jtag" + - "aspeed,aspeed2500-jtag" +- reg contains the offset and length of the JTAG memory + region +- clocks root clock of bus, should reference the APB clock +- interrupts should contain JTAG controller interrupt + +Example: +jtag: jtag@1e6e4000 { + compatible = "aspeed,aspeed2500-jtag"; + reg = <0x1e6e4000 0x1c>; + reg-shift = <2>; + clocks = <&clk_apb>; + interrupts = <43>; +}; -- 1.7.1