From patchwork Mon Nov 10 13:12:16 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mikko Perttunen X-Patchwork-Id: 5266371 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 0159D9F387 for ; Mon, 10 Nov 2014 13:16:14 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6CF0820166 for ; Mon, 10 Nov 2014 13:16:09 +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 93EDE20142 for ; Mon, 10 Nov 2014 13:16:08 +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 1XnonB-0000HG-QC; Mon, 10 Nov 2014 13:14:01 +0000 Received: from mx1.kapsi.fi ([2001:1bc8:1004::1:25] helo=mail.kapsi.fi) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xnomo-00007L-Gf for linux-arm-kernel@lists.infradead.org; Mon, 10 Nov 2014 13:13:40 +0000 Received: from [2001:708:30:12d0:beee:7bff:fe5b:f272] (helo=katsura.kyla.fi) by mail.kapsi.fi with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.72) (envelope-from ) id 1XnomQ-0005ek-1w; Mon, 10 Nov 2014 15:13:14 +0200 From: Mikko Perttunen To: swarren@wwwdotorg.org, thierry.reding@gmail.com, gnurou@gmail.com Subject: [PATCH v4 REPOST 4/5] ARM: tegra: Add PMC thermtrip programming to Jetson TK1 device tree Date: Mon, 10 Nov 2014 15:12:16 +0200 Message-Id: <1415625137-4791-5-git-send-email-mikko.perttunen@kapsi.fi> X-Mailer: git-send-email 2.1.3 In-Reply-To: <1415625137-4791-1-git-send-email-mikko.perttunen@kapsi.fi> References: <1415625137-4791-1-git-send-email-mikko.perttunen@kapsi.fi> X-SA-Exim-Connect-IP: 2001:708:30:12d0:beee:7bff:fe5b:f272 X-SA-Exim-Mail-From: mikko.perttunen@kapsi.fi X-SA-Exim-Scanned: No (on mail.kapsi.fi); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141110_051338_779053_7AC3B4C3 X-CRM114-Status: GOOD ( 10.17 ) X-Spam-Score: -0.6 (/) Cc: linux-tegra@vger.kernel.org, wni@nvidia.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Mikko Perttunen X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-3.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, 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 From: Mikko Perttunen This adds the required information to reset the board during an overheating situation to the Jetson TK1 device tree. The thermal reset is handled by the PMC by sending an I2C message to the PMIC. The entries specify the I2C message to be sent. Signed-off-by: Mikko Perttunen Reviewed-by: Wei Ni Tested-by: Wei Ni --- arch/arm/boot/dts/tegra124-jetson-tk1.dts | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts index f46a789..57ead69 100644 --- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts +++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts @@ -1457,7 +1457,7 @@ }; /* Expansion PWR_I2C_*, on-board components */ - i2c@0,7000d000 { + pmic_bus: i2c@0,7000d000 { status = "okay"; clock-frequency = <400000>; @@ -1672,6 +1672,13 @@ nvidia,core-pwr-off-time = <61036>; nvidia,core-power-req-active-high; nvidia,sys-clock-req-active-high; + + i2c-thermtrip { + nvidia,i2c-bus = <&pmic_bus>; + nvidia,bus-addr = <0x40>; + nvidia,reg-addr = <0x36>; + nvidia,reg-data = <0x2>; + }; }; /* Serial ATA */