From mboxrd@z Thu Jan 1 00:00:00 1970 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 DBC4CC25B76 for ; Sat, 8 Jun 2024 15:06:52 +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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Q44J8ojnBe+/nUsz7OiGNTqxo3zKzSkBAuxg4ostUSI=; b=RgdVJ2vF7vnT1m 2gNTIoq9gz2zIDC19aRm3heo3ALD0wdX2n8cpgkvPOuRjmh1wby7YtTQ2dNwetUC9NWYPeqVVR4kB uqL8R7L2tjblPYFV+53wE9MXs5Y8cqACt2U+14VRmWQq1oJv9MMcNRUSJdiS0Xp/dVaztxAbMiZrs eSX8W77QBfrPoijVl4rTVMqxmaqKrG7DvZmYTEGConPNh0vmjYuZ0PA79L5DanL0u0CrV1UcqfAuf vEhXyT/E9lzXIX5EdeN2X+r3sHRru/mxx9KSkJhTPKb6hl+ejLNIeAerCnqAOgIVLa2T0kDaZD4lr fzE1P0LvzvC28TQ7JVCg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sFxeQ-000000008mH-0gAT; Sat, 08 Jun 2024 15:06:38 +0000 Received: from perceval.ideasonboard.com ([213.167.242.64]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sFxeM-000000008lN-2smu for linux-arm-kernel@lists.infradead.org; Sat, 08 Jun 2024 15:06:36 +0000 Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A4A23471; Sat, 8 Jun 2024 17:06:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1717859181; bh=j6BCC+Vbz95kG7AaIGrnoIlXtP848eUSBofX852GX0A=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=InffNkAREm7P3XrO8k/omxY3XXmf6mHcsGG4HXN2aKvO4wbbMdKjPIoOU5bQJFRse gQWnRRAOZd5zJhubb/oZsBpoYQZ8qxlTbJrFELa0OkLdM8/LXVaFLOsbyofxAbvbeG mTU9XY4cD7flNHQshG2iw2z5avS+TimukUNrZndQ= Date: Sat, 8 Jun 2024 18:06:13 +0300 From: Laurent Pinchart To: Luca Ceresoli Cc: Lucas Stach , Shawn Guo , Rob Herring , Krzysztof Kozlowski , Fabio Estevam , NXP Linux Team , Marek Vasut , Kieran Bingham , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, patchwork-lst@pengutronix.de, kernel@pengutronix.de, Adam Ford Subject: Re: [PATCH 4/4] arm64: dts: imx8mp-evk: enable HDMI Message-ID: <20240608150613.GA13225@pendragon.ideasonboard.com> References: <20220826192932.3217260-1-l.stach@pengutronix.de> <20220826192932.3217260-4-l.stach@pengutronix.de> <20230302163525.007503e4@booty> <20230525122628.13b0f28b@booty> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230525122628.13b0f28b@booty> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240608_080634_900347_131689F9 X-CRM114-Status: GOOD ( 24.92 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, May 25, 2023 at 12:26:28PM +0200, Luca Ceresoli wrote: > On Thu, 2 Mar 2023 16:35:25 +0100 Luca Ceresoli wrote: > > On Fri, 26 Aug 2022 21:29:32 +0200 Lucas Stach wrote: > > > > > Enable the DT nodes for HDMI TX and PHY and add the pinctrl for the few > > > involved pins that are configurable. > > > > > > Signed-off-by: Lucas Stach > > Any updates to these patches? I haven't found any v2 on the list. This is the last patch in the series that hasn't made it upstream It would be really nice to get a new version that could be merged in v6.11. Pretty please :-) > > I'm joining late to this party... Is this the latest version of this > > series? I haven't found any more recent, but if it is not the case > > would you point me to the most recent one please? > > > > > + pinctrl_hdmi: hdmigrp { > > > + fsl,pins = < > > > + MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x1c3 > > > + MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA 0x1c3 > > > > Is the low nibble (0x3) right?BIT(0) is reserved according too the > > reference manual. > > > > Also, all the non-reserved bits in that nibble are bits 1 and 2, which > > set the drive strength. For an I2C line it seems that the minimum drive > > strength (0x0) should be enough for an I2C line: with any drive > > strength setting the supported frequency is >= 65 MHz. > > > > > + MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD 0x19 > > > + MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0x19 > > > > Here as well, bits 0 and 3 are reserved. > > About these pinctrls, I am using these settings on the MSC SM2-MB-EP1 > board and they appear to be working just as those you are using (but I > haven't tested CEC): > > MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x1c2 > MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA 0x1c2 > MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0x10 > MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD 0x10 -- Regards, Laurent Pinchart _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel