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 1CCE5C433F5 for ; Fri, 22 Apr 2022 05:09:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356967AbiDVFMD (ORCPT ); Fri, 22 Apr 2022 01:12:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48480 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242030AbiDVFMA (ORCPT ); Fri, 22 Apr 2022 01:12:00 -0400 Received: from mail-pg1-x52e.google.com (mail-pg1-x52e.google.com [IPv6:2607:f8b0:4864:20::52e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66C614F441 for ; Thu, 21 Apr 2022 22:09:07 -0700 (PDT) Received: by mail-pg1-x52e.google.com with SMTP id i63so6439298pge.11 for ; Thu, 21 Apr 2022 22:09:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=IxkWrK2BHkhEkKKlVUNG0OHecJx6kgtTQfmR8oiK8fY=; b=lqpCouB++8hljbNrHceC1Qyuwuw+vCI2Fhh8ZFdRfXxhXpRkv6g2BA/tNxAPsxgvkr u1w04SPrnfVYkE3mFoG48Ti9k/z8UT5WYiln4iNHoRm7Qifnv87ZE8YThHZXSPIBk33s cgEeltKzihF2u7m2Rx9L52X77Ftym+qXjgfxCuWWrIicVaP5Jg2SgwIWdin/gaEyFEzu Ext803WlCRXwXzZsLwuqtVS8NVNTVT8D2RbXIjdgnN1qqvJ94LfZ42ZuTXANLZ0OPeeR uCoDCo74DxXysCvLAG+sDPte7QHEDlbnJ1EX97I3Lp3cztRaLWZL5JySGaZxqqrOs+bj SaVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=IxkWrK2BHkhEkKKlVUNG0OHecJx6kgtTQfmR8oiK8fY=; b=ia8PzbHRvzVsz6nfoiB0dFv7jwj6UmTji1J5q21YJQKfLnvTQKSja2oEmQAJ0HTFdh 90odw7YX+Mp5eQsiAVBm6sUZ6LBvuKSnOVqyVcnRvd2x2Dde3ksGkmmnVf3SZBrRbgqz E+E0OoluWPRmuJZnARqqsH0vUKW+QF5icUHGuh7AV2Op8NF58pUqSnwQGPobYgI10VzU CEYVvMP3/M9dXJ15/D/OfiDzajUeHZ37C7tG39rjeZyGPsvZQ6WQsGeJCuYacSPJsjMu KmHO+QBSAJ52QJ/O1tvcREkuXbkXwls4+AuOcCbef8t41dWfhCoM7i9sf/GL52dplNu9 SJow== X-Gm-Message-State: AOAM531N3JznhT6AEY/MGGDAeBuCKwBL5SW7MUzK7DC2H5DbW99ayDg9 T8RZBZ/0aZ8+3iV8YUTIcfhpkQ== X-Google-Smtp-Source: ABdhPJzee0DpsxJWDBhWAOgmHW7pXvMAFcHq9PAexcssqN/6IoJ0HKyEyTKjakiAzo82w81k4zugdA== X-Received: by 2002:a05:6a00:e0b:b0:4fa:a167:5b35 with SMTP id bq11-20020a056a000e0b00b004faa1675b35mr3121349pfb.69.1650604146814; Thu, 21 Apr 2022 22:09:06 -0700 (PDT) Received: from x1 ([2601:1c2:1001:7090:dbb3:3d38:62d2:5de5]) by smtp.gmail.com with ESMTPSA id e126-20020a621e84000000b0050567191161sm854912pfe.210.2022.04.21.22.09.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Apr 2022 22:09:06 -0700 (PDT) Date: Thu, 21 Apr 2022 22:10:06 -0700 From: Drew Fustini To: Tony Lindgren Cc: Rob Herring , Krzysztof Kozlowski , Nishanth Menon , Santosh Shilimkar , Dave Gerlach , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 0/2] soc: ti: wkup_m3_ipc: Add support for IO Isolation Message-ID: References: <20220414192722.2978837-1-dfustini@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Thu, Apr 21, 2022 at 09:56:03AM +0300, Tony Lindgren wrote: > Hi, > > * Drew Fustini [220414 19:24]: > > TI AM437x SoCs support isolation of the IOs so that control is taken > > from the peripheral they are connected to and overridden by values > > present in the control register for that pad. This series documents a > > new property 'ti,set-io-isolation' and updates the wkup_m3_ipc driver to > > inform the CM3 firmware when that property is set. > > Care to list what hardware and board revisions you're able to test deep > sleep with? > > Seems like my am437x-evm is too old for this where the board layout > does not match the schematics for removing a resistor to enable this. > > Just wondering if I can still enable tests for this somehow :) > > Regards, > > Tony Do you know what revision of the am437x-gp-evm that you have? The AM437X_GP_EVM_3K0006_SCHEMATIC_REV1_5B schematic [1] for the AM437x-GP-EVM shows that the EN pin on the TPS51200 is connected to SoC ball N25 which is GPIO5_7. Unfortunately, the only AM437x board that I have is the AM437x IDK [2] which unfortunately does not have the TSP51200 EN pin connected to the the SoC. In addition, the am437x-gp-evm is the only board that is allowed to enable off mode due to am43xx_check_off_mode_enable() in arch/arm/mach-omap2/pm33xx-core.c Thank you, Drew [1] https://www.ti.com/lit/zip/tidrc79 [2] https://www.ti.com/lit/zip/sprr396