From patchwork Tue May 30 12:03:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 13259828 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9E6B3C77B73 for ; Tue, 30 May 2023 12:04:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Fb798U/khw5V4v9rjfZTp2dhek1xVeJeEZiWxDgyUKQ=; b=M9ti39H0l1cAbG hhWwk+PpE9TubYZMJ6DwOtElOGe+UF1P9niWyJgBTu5HOPHneOQz7ZnSLEg+Euc3pYYRxWW7gagud WxkH3WGU1mTdz0njlFpUk1TuUDOw+LdzEeTmfJkF45LynaJ3Ym0cEYFGDm22LxPZJVtIWYQ9fRCCR gTf9uskXjkL86NSqaFK9QivbjnZ04YBOo2EsCIMctcMYdNZZXlx2ywr3QYgQ8CBjInP1M5bvGA6+y Nano41g98119PMasU6Q9EwtdKTCC3SN5/J6niaAkiDxOM/5nTL9ceYP+gmK3Oh57+u4Bub9zYXOYg 0pLxaHYjK3WSmSVCKzfg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q3y5K-00Dlxm-0q; Tue, 30 May 2023 12:04:18 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q3y58-00Dloi-0E for linux-arm-kernel@lists.infradead.org; Tue, 30 May 2023 12:04:07 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1q3y4s-0000Co-6I; Tue, 30 May 2023 14:03:50 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1q3y4r-003rWl-EY; Tue, 30 May 2023 14:03:49 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1q3y4o-00C3vz-SS; Tue, 30 May 2023 14:03:46 +0200 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Rob Herring , Krzysztof Kozlowski Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, NXP Linux Team , Fabio Estevam Subject: [PATCH v1 11/15] ARM: dts: imx6qp: prtwd3: Enable USB over current detection on USB OTG port Date: Tue, 30 May 2023 14:03:41 +0200 Message-Id: <20230530120345.2874900-12-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230530120345.2874900-1-o.rempel@pengutronix.de> References: <20230530120345.2874900-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230530_050406_110659_1FDECE15 X-CRM114-Status: GOOD ( 15.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The imx6qp-prtwd3 board supports USB over current detection on the USB OTG port, however, it was previously disabled in the device tree. This commit enables the over current detection by changing the device tree setting from 'disable-over-current' to 'over-current-active-low'. This could potentially protect the USB port from damage due to over current situations. Signed-off-by: Oleksij Rempel --- arch/arm/boot/dts/imx6qp-prtwd3.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qp-prtwd3.dts b/arch/arm/boot/dts/imx6qp-prtwd3.dts index a8154c901d4f..657d112ac3a1 100644 --- a/arch/arm/boot/dts/imx6qp-prtwd3.dts +++ b/arch/arm/boot/dts/imx6qp-prtwd3.dts @@ -518,7 +518,7 @@ &usbotg { pinctrl-0 = <&pinctrl_usbotg>; phy_type = "utmi"; dr_mode = "host"; - disable-over-current; + over-current-active-low; status = "okay"; };