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Mon, 3 May 2021 14:57:40 +0000 Subject: Re: [PATCH V2 0/4] soc: imx: add i.MX BLK-CTL support To: "Peng Fan (OSS)" , robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, p.zabel@pengutronix.de, l.stach@pengutronix.de, krzk@kernel.org, agx@sigxcpu.org, marex@denx.de, andrew.smirnov@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ping.bai@nxp.com, aford173@gmail.com, abel.vesa@nxp.com, Peng Fan References: <20210430052746.10815-1-peng.fan@oss.nxp.com> From: Frieder Schrempf Message-ID: Date: Mon, 3 May 2021 16:57:38 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 In-Reply-To: <20210430052746.10815-1-peng.fan@oss.nxp.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [109.250.134.29] X-ClientProxiedBy: AM3PR07CA0097.eurprd07.prod.outlook.com (2603:10a6:207:6::31) To AM0PR10MB2963.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:157::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [192.168.10.27] (109.250.134.29) by AM3PR07CA0097.eurprd07.prod.outlook.com (2603:10a6:207:6::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.8 via Frontend Transport; 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Per Lucas, we will finally have a MIPI DPHY driver, > so fine to leave it. Thanks for your work. I would like to test this together with the DSIM and PHY driver by Michael and Marek. So far the boot hangs when probing the DSIM, but I'm not even sure if my DT is correct. With the DSIM PHY driver (see [1]) in place, the GPR_MIPI_M_RESETN should be set correctly, right? Would you mind sharing your imx8mm.dtsi, that you used for testing? Thanks Frieder [1] https://patchwork.kernel.org/project/linux-samsung-soc/patch/20201003225020.164358-1-marex@denx.de/ 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 X-Spam-Level: X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 29496C433ED for ; Mon, 3 May 2021 15:00:47 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 856B961244 for ; Mon, 3 May 2021 15:00:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 856B961244 Authentication-Results: mail.kernel.org; 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Mon, 3 May 2021 14:57:40 +0000 Subject: Re: [PATCH V2 0/4] soc: imx: add i.MX BLK-CTL support To: "Peng Fan (OSS)" , robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, p.zabel@pengutronix.de, l.stach@pengutronix.de, krzk@kernel.org, agx@sigxcpu.org, marex@denx.de, andrew.smirnov@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ping.bai@nxp.com, aford173@gmail.com, abel.vesa@nxp.com, Peng Fan References: <20210430052746.10815-1-peng.fan@oss.nxp.com> From: Frieder Schrempf Message-ID: Date: Mon, 3 May 2021 16:57:38 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 In-Reply-To: <20210430052746.10815-1-peng.fan@oss.nxp.com> Content-Language: en-US X-Originating-IP: [109.250.134.29] X-ClientProxiedBy: AM3PR07CA0097.eurprd07.prod.outlook.com (2603:10a6:207:6::31) To AM0PR10MB2963.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:157::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [192.168.10.27] (109.250.134.29) by AM3PR07CA0097.eurprd07.prod.outlook.com (2603:10a6:207:6::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.8 via Frontend Transport; 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charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Peng, On 30.04.21 07:27, Peng Fan (OSS) wrote: > From: Peng Fan > > V2: > Fix yaml check failure > > Previously there is an effort from Abel that take BLK-CTL as clock > provider, but it turns out that there is A/B lock issue and we are > not able resolve that. > > Per discuss with Lucas and Jacky, we made an agreement that take BLK-CTL > as a power domain provider and use GPC's domain as parent, the consumer > node take BLK-CTL as power domain input. > > This patchset has been tested on i.MX8MM EVK board, but one hack > is not included in the patchset is that the DISPMIX BLK-CTL MIPI_M/S_RESET > not implemented. Per Lucas, we will finally have a MIPI DPHY driver, > so fine to leave it. Thanks for your work. I would like to test this together with the DSIM and PHY driver by Michael and Marek. So far the boot hangs when probing the DSIM, but I'm not even sure if my DT is correct. With the DSIM PHY driver (see [1]) in place, the GPR_MIPI_M_RESETN should be set correctly, right? Would you mind sharing your imx8mm.dtsi, that you used for testing? Thanks Frieder [1] https://patchwork.kernel.org/project/linux-samsung-soc/patch/20201003225020.164358-1-marex@denx.de/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel