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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6E85CC6FD18 for ; Tue, 28 Mar 2023 14:34:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232600AbjC1Oeu (ORCPT ); Tue, 28 Mar 2023 10:34:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232936AbjC1Oeq (ORCPT ); Tue, 28 Mar 2023 10:34:46 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C81F51FD0; Tue, 28 Mar 2023 07:34:44 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DCF4DB81D6D; Tue, 28 Mar 2023 14:34:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AC52C433EF; Tue, 28 Mar 2023 14:34:34 +0000 (UTC) Message-ID: Date: Wed, 29 Mar 2023 00:34:31 +1000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH V3 7/7] arm64: dts: imx8mp: add interconnect for hsio blk ctrl Content-Language: en-US To: Marco Felsch Cc: peng.fan@nxp.com, Alexander Stein , abailon@baylibre.com, krzysztof.kozlowski+dt@linaro.org, festevam@gmail.com, abelvesa@kernel.org, marex@denx.de, Markus.Niebel@ew.tq-group.com, Ahmad Fatoum , paul.elder@ideasonboard.com, gerg@kernel.org, linux-imx@nxp.com, devicetree@vger.kernel.org, "Peng Fan (OSS)" , linux-pm@vger.kernel.org, s.hauer@pengutronix.de, robh+dt@kernel.org, aford173@gmail.com, "linux-arm-kernel@lists.infradead.org" , laurent.pinchart@ideasonboard.com, linux-kernel@vger.kernel.org, kernel@pengutronix.de, djakov@kernel.org, shawnguo@kernel.org, l.stach@pengutronix.de References: <20220703091451.1416264-8-peng.fan@oss.nxp.com> <20230327045037.593326-1-gerg@linux-m68k.org> <2678294.mvXUDI8C0e@steina-w> <20230328073302.jj64u5hvdpc6axa5@pengutronix.de> <426b4776-104c-cb47-c8cc-c26515fcb6e3@linux-m68k.org> <20230328134201.yaxrdtetjygkgkmz@pengutronix.de> <20230328135100.rbmnfelphe7juhxo@pengutronix.de> From: Greg Ungerer In-Reply-To: <20230328135100.rbmnfelphe7juhxo@pengutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Marco, On 28/3/23 23:51, Marco Felsch wrote: > On 23-03-28, Marco Felsch wrote: >> Hi Greg, >> >> On 23-03-28, Greg Ungerer wrote: >>> Hi Marco, >>> >>> On 28/3/23 17:33, Marco Felsch wrote: >>>> Hi Greg, >>>> >>>> On 23-03-27, Greg Ungerer wrote: >>>>> Hi Ahmad, >>>>> >>>>> On 27/3/23 17:16, Ahmad Fatoum wrote: >>>>>> On 27.03.23 08:27, Alexander Stein wrote: >>>>>>> Am Montag, 27. März 2023, 06:50:37 CEST schrieb Greg Ungerer: >>>>>>>> Any thoughts on why this breaks USB? >>>>>>> >>>>>>> Maybe you are missing CONFIG_INTERCONNECT_IMX8MP? >>>>>> >>>>>> And if that's the case, did you check /sys/kernel/debug/devices_deferred >>>>>> to see if there was any indication that this is the reason? >>>>> >>>>> Yeah, it does: >>>>> >>>>> # cat /sys/kernel/debug/devices_deferred >>>>> 32f10100.usb platform: supplier 32f10000.blk-ctrl not ready >>>>> 32f10108.usb platform: supplier 32f10000.blk-ctrl not ready >>>>> 32ec0000.blk-ctrl imx8m-blk-ctrl: failed to get noc entries >>>>> 381f0040.usb-phy platform: supplier 32f10000.blk-ctrl not ready >>>>> 382f0040.usb-phy platform: supplier 32f10000.blk-ctrl not ready >>>>> imx-pgc-domain.11 >>>>> imx-pgc-domain.12 >>>>> imx-pgc-domain.13 >>>>> 38330000.blk-ctrl platform: supplier imx-pgc-domain.11 not ready >>>>> 32f10000.blk-ctrl imx8mp-blk-ctrl: failed to get noc entries >>>>> >>>>> As far as I can tell blk-ctrl should be good: >>>>> >>>>> # >>>>> # i.MX SoC drivers >>>>> # >>>>> CONFIG_IMX_GPCV2_PM_DOMAINS=y >>>>> CONFIG_SOC_IMX8M=y >>>>> # CONFIG_SOC_IMX9 is not set >>>>> CONFIG_IMX8M_BLK_CTRL=y >>>>> # end of i.MX SoC drivers >>>>> >>>>> >>>>>> If you didn't find any hint there, you might want to place a >>>>>> dev_err_probe with a suitable message at the place where -EPROBE_DEFER >>>>>> was returned. >>>>> >>>>> I will try that. >>>> >>>> Can you check that CONFIG_ARM_IMX_BUS_DEVFREQ is enabled? This is the >>>> noc/interconnect driver. This could also the problem for you vpu issue. >>> >>> I do not have that enabled. Enabling that fixes the USB probing. >>> So that is good, thanks. >>> >>> It doesn't fix the other problem I mentioned with the vpu pgc nodes though. >>> I do get some extra messages now with this enabled and the 6.1 kernel: >>> >>> imx-pgc imx-pgc-domain.8: failed to command PGC >>> imx-pgc imx-pgc-domain.8: failed to command PGC >>> imx8m-blk-ctrl 38330000.blk-ctrl: deferred probe timeout, ignoring dependency >>> imx8m-blk-ctrl 38330000.blk-ctrl: error -110: failed to attach power domain "g1" >>> imx8m-blk-ctrl: probe of 38330000.blk-ctrl failed with error -110 >> >> Okay, this seems more like a "real" issue not related to some missing >> drivers. I followed the code and found a poll within the >> imx_pgc_power_up() in gpcv2.c. Power-domain 8 is the vpumix domain which >> is used as power-domain for the g1 power-domain. My assumption is that >> this poll does run into the timeout. Maybe Peng can support you here >> since I didn't had the time for to test the VPUs yet and he did the >> integration patches. >> >> Just ignore the errors if you don't use the VPUs or disable the >> blk-ctrl@38330000 node via status = "disabled". > > I forgot to ask: Does your i.MX8MP have a VPU? There are i.MX8MP devices > (don't know the name) which don't have support for certain IPs. If this The hardware platform I have is using the MIMX8ML4CVNKZAB "i.MX 8M Plus QuadLite" (https://www.nxp.com/part/MIMX8ML4CVNKZAB#/) which does not have the hardware video encode/decoder module (like the "i.MX 8M Plus Quad" parts). > is the case the bootloader will fixup your devicetree by disable the > corresponding nodes, we call this feature-controller: > > https://elixir.bootlin.com/barebox/latest/source/arch/arm/dts/imx8mp.dtsi > > As you can see the imx8mp.dtsi is missing the feature bits for the VPU > but you can check the i.mx8mm.dtsi. Here you can see that barebox will > check the availability of the vpu: > > https://elixir.bootlin.com/barebox/latest/source/arch/arm/dts/imx8mm.dtsi Ok, thanks, I'll take a look. Regards Greg 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 D83ABC76196 for ; Tue, 28 Mar 2023 14:35:41 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=qXoDQi/zh4zN8CWEizqNxvrlBm7GnhW6EnsFbs0rbg0=; b=OXsCa1D+nVrkfq 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(UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6AC52C433EF; Tue, 28 Mar 2023 14:34:34 +0000 (UTC) Message-ID: Date: Wed, 29 Mar 2023 00:34:31 +1000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH V3 7/7] arm64: dts: imx8mp: add interconnect for hsio blk ctrl Content-Language: en-US To: Marco Felsch Cc: peng.fan@nxp.com, Alexander Stein , abailon@baylibre.com, krzysztof.kozlowski+dt@linaro.org, festevam@gmail.com, abelvesa@kernel.org, marex@denx.de, Markus.Niebel@ew.tq-group.com, Ahmad Fatoum , paul.elder@ideasonboard.com, gerg@kernel.org, linux-imx@nxp.com, devicetree@vger.kernel.org, "Peng Fan (OSS)" , linux-pm@vger.kernel.org, s.hauer@pengutronix.de, robh+dt@kernel.org, aford173@gmail.com, "linux-arm-kernel@lists.infradead.org" , laurent.pinchart@ideasonboard.com, linux-kernel@vger.kernel.org, kernel@pengutronix.de, djakov@kernel.org, shawnguo@kernel.org, l.stach@pengutronix.de References: <20220703091451.1416264-8-peng.fan@oss.nxp.com> <20230327045037.593326-1-gerg@linux-m68k.org> <2678294.mvXUDI8C0e@steina-w> <20230328073302.jj64u5hvdpc6axa5@pengutronix.de> <426b4776-104c-cb47-c8cc-c26515fcb6e3@linux-m68k.org> <20230328134201.yaxrdtetjygkgkmz@pengutronix.de> <20230328135100.rbmnfelphe7juhxo@pengutronix.de> From: Greg Ungerer In-Reply-To: <20230328135100.rbmnfelphe7juhxo@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230328_073443_999902_9972156F X-CRM114-Status: GOOD ( 28.88 ) 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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