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 F1BC0CC6B34 for ; Thu, 15 Oct 2026 14:24:11 +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:Message-ID:Date:References :In-Reply-To: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=NOb3ln7s+UapcIijR/mWDzKwLVd2Po1dZ8RHhfptPzM=; b=VdWzbUHnXTtxRr 9LtZLown8YImhRNXa7nvDPlRxdmS4A+nNqTHwY1zCAyTGGZ/+TonHooH292tB6dN/YlEwPY3Afqbk Wp80yIPUAaWm4BxM+EGmtnVXGjyJVHIKj4PxVUiKWO0a6VOasATfJL9loDUykEO4jlQ00xzekiK/M bEHT5BA3gkXUtpE7+n+8QeOvfQadUVAuE+UEAKcTCvGl7s0aAsL6Q22qHyQpHO9I1TIgOFQWXCEa8 nqK+d5GZTqsIeoTEqETDQgf+HbGI9Kx/1WKz3pNDKxbbJ9DMoWOYrioI04y31mZwVSJQ6YsFoL/0/ hUmHTVn/9FUo5x25NMzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xHMNO-00000000M1W-3Yu7; Thu, 15 Oct 2026 14:24:11 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xHMNK-00000000M0l-1gjA for linux-phy@lists.infradead.org; Thu, 15 Oct 2026 14:24:06 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id D4EDA6022B; Thu, 15 Oct 2026 14:24:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A6061F000C4; Thu, 15 Oct 2026 14:24:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792074245; bh=83o5oAGezQuqWB70mpgy17Ppmc2cKbsFE/dC/tCNuqg=; h=From:To:Cc:Subject:In-Reply-To:References:Date; b=mx//5sdlbCAlDhmo/AwHO0AHYj7cFO6peARJnidsstXroYzw2oiGGzmkMKngYcnUO yqGLIfzzdKp3ReBJ37LGo/1Zj6YStJSQZa8kzUJBFSbd+dCB7oygBd0dMWSlZ/spG8 k6z7XC7y/tYZrlH0XSS5vYukh0WRtDagwTcKg520mmpfd6/bWezvZAdNjJpPTnTeWq 0Oi9f0i7xYQtXLZwHbzHaGr9ptwYcSSXMg58BtOUprkvguxQ7GZ6RZejz0jDNd9xtW fA/wvOHfYRAdO+Q55pEcONMNaAAj56kwfLUh6O4tOnbJYOv+974t0AfAe0v/igwtiR o1+aiIoTpN7FA== From: Mattijs Korpershoek To: Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Manivannan Sadhasivam Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski , Sriram Dash Subject: Re: [PATCH v3 0/2] Add support for SA8255P in the phy-qcom-snps-femto-v2 phy driver In-Reply-To: <20261002-phy-qcom-snps-femto-v2-8255-v3-0-342542bd9bc6@kernel.org> References: <20261002-phy-qcom-snps-femto-v2-8255-v3-0-342542bd9bc6@kernel.org> Date: Thu, 15 Oct 2026 16:24:03 +0200 Message-ID: MIME-Version: 1.0 X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Hi Mani, On Fri, Oct 02, 2026 at 11:41, Mattijs Korpershoek wrote: > The Qualcomm automotive SA8255p SoC relies on firmware to configure > platform resources, including clocks, interconnects and TLMM. > The driver requests resources operations over SCMI using power protocols. > > The SCMI power protocol enables or disables resources like clocks, > interconnect paths, and TLMM (GPIOs) using runtime PM framework APIs, > such as resume/suspend, to control power on/off. > > Power domain "core" controls the GDSC, resets, and TLMM (GPIOs) > whereas power domain "transfer" controls clocks and interconnects. > > Patch 1 adds the binding for sa8255p. Similarly to what has been done > for I2C [1], this is a separate binding. > > Patch 2 adds the driver change, which is based on a public vendor > patch from qualcomm [2]. > I did the following changes on top of that: > * Use devm_add_action_or_reset() for dev_pm_domain_detach_list() instead > of implementing a driver .remove() > * Changed power domain names to drop 'usb_' prefix > * Fixed various error handling paths > * Added suspend/resume support > > This has been tested on next-20260728 with a Ride4 SA8775P board that > has SCMI firmware (which is compatible). > > [1] https://lore.kernel.org/all/20260617-enable-i2c-on-sa8255p-v7-1-ad736dbeab57@oss.qualcomm.com/ > [2] https://git.codelinaro.org/clo/le/meta-qti-auto-kernel/-/blob/LY.AU.0.1.0.r1-16800-gen4meta.0/recipes-kernel/linux/files/usb/0014-PENDING-phy-qcom-snps-femto-v2-Add-support-for-SA825.patch > > Signed-off-by: Mattijs Korpershoek I don't know what happened but somehow I did not add you in To/Cc using "b4 prep -c" I've talked to Vinod at plumbers and he told me that I should request some review on these phy patches. Could you have a look whenever you have some time? Thanks a lot for your help. Mattijs > --- > Changes in v3: > - Applied R-b from Krzysztof and Neil > - Link to v2: https://patch.msgid.link/20260831-phy-qcom-snps-femto-v2-8255-v2-0-dc6197ffde1b@kernel.org > > Changes in v2: > - Move 'core' as first domain, before 'transfer' (Krzysztof) > - Reworded binding commit message to be more precise about the various > domains ('core', 'transfer' and 'perf') (Krzysztof) > - Link to v1: https://patch.msgid.link/20260730-phy-qcom-snps-femto-v2-8255-v1-0-8b8bf5105a68@kernel.org > > --- > Mattijs Korpershoek (1): > dt-bindings: phy: Add sa8255p high-speed USB PHY > > Sriram Dash (1): > phy: qcom-snps-femto-v2: Add support for SA8255P > > .../bindings/phy/qcom,sa8255p-usb-hs-phy.yaml | 52 +++++++++ > drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c | 127 +++++++++++++++++++-- > 2 files changed, 170 insertions(+), 9 deletions(-) > --- > base-commit: e30626823a406725ce29bc75cb8ec467d3e1e326 > change-id: 20260729-phy-qcom-snps-femto-v2-8255-90ffe7674001 > > Best regards, > -- > Mattijs Korpershoek -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy