From patchwork Thu Dec 14 10:30:08 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10111809 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 54DA7603FA for ; Thu, 14 Dec 2017 10:44:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 43F3129B77 for ; Thu, 14 Dec 2017 10:44:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3768529B7A; Thu, 14 Dec 2017 10:44:32 +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=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D95A029B78 for ; Thu, 14 Dec 2017 10:44:30 +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=SRTlBj5tzbTEgVUAtXoS92FM6KhufhyQeV0MRwwkbqY=; b=J4k88ocFUtOY6HhbGNed8GwyuY pTEi8DIj8m87HnH23g59toLusjthp/dM+opphZh4q/2bjbmIkSnccIMn7/VnVfKF4bpJhvlkY7Ki4 IQDhI+qWOfLA3D7Q4xsAOkLoXpujnqJdZS8nldyBceR4A041JfftHsMXuSRF10GqXgMXmfzULNrJ5 bv/8cna//VDTEvBWLaOmwlYj6r2SBvCfBwzu+MXfIulD+SYDAp1zAqQ0WaSOsjEUt+QN6D94bfboB WnE018iWuEXIXAhP0FgHSRuIZdewWZoqreNwpkUq9p3P9QWl7eaVzEu/S3uBRP1IzkrTwgAIgFrNM td26R0Bg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ePR09-0003PO-TC; Thu, 14 Dec 2017 10:44:29 +0000 Received: from mail.free-electrons.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1ePQn5-0003aC-49 for linux-arm-kernel@lists.infradead.org; Thu, 14 Dec 2017 10:31:13 +0000 Received: by mail.free-electrons.com (Postfix, from userid 110) id E89A720981; Thu, 14 Dec 2017 11:30:22 +0100 (CET) Received: from localhost.localdomain (LStLambert-657-1-97-87.w90-63.abo.wanadoo.fr [90.63.216.87]) by mail.free-electrons.com (Postfix) with ESMTPSA id 7E90E207A7; Thu, 14 Dec 2017 11:30:22 +0100 (CET) From: Miquel Raynal To: Zhang Rui , Eduardo Valentin , Rob Herring , Mark Rutland , Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Catalin Marinas , Will Deacon Subject: [PATCH v3 08/11] thermal: armada: Change sensors trim default value Date: Thu, 14 Dec 2017 11:30:08 +0100 Message-Id: <20171214103011.24713-9-miquel.raynal@free-electrons.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171214103011.24713-1-miquel.raynal@free-electrons.com> References: <20171214103011.24713-1-miquel.raynal@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171214_023059_875441_887BDB2D X-CRM114-Status: GOOD ( 10.54 ) 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: Thomas Petazzoni , devicetree@vger.kernel.org, Baruch Siach , linux-pm@vger.kernel.org, Antoine Tenart , Nadav Haklai , David Sniatkiwicz , Miquel Raynal , 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 Errata #132698 highlights an error in the default value of Tc trim. Set this parameter to b'011. Suggested-by: David Sniatkiwicz Signed-off-by: Miquel Raynal --- drivers/thermal/armada_thermal.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c index da58a8961a37..be141ca53e83 100644 --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -46,6 +46,10 @@ #define CONTROL0_OFFSET 0x0 #define CONTROL1_OFFSET 0x4 +/* Errata fields */ +#define CONTROL0_TSEN_TC_TRIM_MASK 0x7 +#define CONTROL0_TSEN_TC_TRIM_VAL 0x3 + /* TSEN refers to the temperature sensors within the AP */ #define CONTROL0_TSEN_START BIT(0) #define CONTROL0_TSEN_RESET BIT(1) @@ -160,6 +164,15 @@ static void armada380_init_sensor(struct platform_device *pdev, reg &= ~CONTROL1_EXT_TSEN_SW_RESET; writel(reg, priv->control1); msleep(10); + + /* Set Tsen Tc Trim to correct default value (errata #132698) */ + if (priv->control0) { + reg = readl_relaxed(priv->control0); + reg &= ~CONTROL0_TSEN_TC_TRIM_MASK; + reg |= CONTROL0_TSEN_TC_TRIM_VAL; + writel(reg, priv->control0); + msleep(10); + } } static void armada_ap806_init_sensor(struct platform_device *pdev,