From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleksandr Shamray Subject: [patch v6 3/3] Doccumentation: jtag: Add bindings for Aspeed SoC 24xx and 25xx families JTAG master driver Date: Tue, 22 Aug 2017 19:10:56 +0300 Message-ID: <1503418256-5215-4-git-send-email-oleksandrs@mellanox.com> References: <1503418256-5215-1-git-send-email-oleksandrs@mellanox.com> Return-path: In-Reply-To: <1503418256-5215-1-git-send-email-oleksandrs@mellanox.com> Sender: linux-kernel-owner@vger.kernel.org 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, linux-api@vger.kernel.org, Oleksandr Shamray , Jiri Pirko List-Id: linux-api@vger.kernel.org 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 --- v5->v6 Comments pointed by Tobias Klauser - Small nit: s/doccumentation/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 | 18 ++++++++++++++++++ 1 files changed, 18 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..f4ded49 --- /dev/null +++ b/Documentation/devicetree/bindings/jtag/aspeed-jtag.txt @@ -0,0 +1,18 @@ +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>; + clocks = <&clk_apb>; + interrupts = <43>; +}; -- 1.7.1