From patchwork Mon Dec 1 07:34:40 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jianqun Xu X-Patchwork-Id: 5410341 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 79E77BEEA8 for ; Mon, 1 Dec 2014 07:39:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B409F2028D for ; Mon, 1 Dec 2014 07:39:52 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D64492027D for ; Mon, 1 Dec 2014 07:39:51 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XvLaF-0007Bz-3x; Mon, 01 Dec 2014 07:39:47 +0000 Received: from regular1.263xmail.com ([211.150.99.130]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XvLZr-00073X-3L; Mon, 01 Dec 2014 07:39:25 +0000 Received: from jay.xu?rock-chips.com (unknown [192.168.167.131]) by regular1.263xmail.com (Postfix) with SMTP id 15C575635; Mon, 1 Dec 2014 15:38:22 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 54C58481; Mon, 1 Dec 2014 15:38:20 +0800 (CST) X-RL-SENDER: jay.xu@rock-chips.com X-SENDER-IP: 127.0.0.1 X-LOGIN-NAME: jay.xu@rock-chips.com X-UNIQUE-TAG: <6e9647e25895a7f3b0b9ee488a9e44a0> X-ATTACHMENT-NUM: 0 X-SENDER: xjq@rock-chips.com X-DNS-TYPE: 0 Received: from unknown (unknown [127.0.0.1]) by smtp.263.net (Postfix) whith SMTP id 1686065OGWB; Mon, 01 Dec 2014 15:38:21 +0800 (CST) From: Jianqun Xu To: heiko@sntech.de, linux@arm.linux.org.uk, grant.likely@linaro.org, robh+dt@kernel.org Subject: [PATCH 1/2] rockchip: efuse: add documentation for rk3288 efuse driver Date: Mon, 1 Dec 2014 15:34:40 +0800 Message-Id: <1417419281-9243-2-git-send-email-jay.xu@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1417419281-9243-1-git-send-email-jay.xu@rock-chips.com> References: <1417419281-9243-1-git-send-email-jay.xu@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141130_233923_469577_790B3BBF X-CRM114-Status: UNSURE ( 5.12 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: linux-rockchip@lists.infradead.org, Jianqun Xu , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In RK3288, there are two eFuse. One is organized as 32bits by 8 one-time programmable electrical fuses with random access interface, and the other is organized as 32bits by 32 one-time programmable electrical fuses. The 32x32 eFuse can only be accessed by APB bus when IO_SECURITYsel is high. Signed-off-by: Jianqun Xu --- .../devicetree/bindings/fuse/rockchip,rk3288-efuse.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 Documentation/devicetree/bindings/fuse/rockchip,rk3288-efuse.txt diff --git a/Documentation/devicetree/bindings/fuse/rockchip,rk3288-efuse.txt b/Documentation/devicetree/bindings/fuse/rockchip,rk3288-efuse.txt new file mode 100644 index 0000000..82af730 --- /dev/null +++ b/Documentation/devicetree/bindings/fuse/rockchip,rk3288-efuse.txt @@ -0,0 +1,14 @@ +ROCKCHIP RK3288 efuse block. + +Required properties: +- compatible : should be: + "rockchip,rk3288-efuse" +- reg: Should contain 1 entry: the entry gives the physical address and length + of the fuse registers. + +Example: + + efuse: efuse@ffb40000 { + compatible = "rockchip,rk3288-efuse"; + reg = <0xffb40000 0x10000>; + };