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=-14.0 required=3.0 tests=BAYES_00,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 E4D0DC433ED for ; Thu, 15 Apr 2021 16:22:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C2B9D6113B for ; Thu, 15 Apr 2021 16:22:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233558AbhDOQWk (ORCPT ); Thu, 15 Apr 2021 12:22:40 -0400 Received: from mail-oi1-f170.google.com ([209.85.167.170]:34436 "EHLO mail-oi1-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230056AbhDOQWg (ORCPT ); Thu, 15 Apr 2021 12:22:36 -0400 Received: by mail-oi1-f170.google.com with SMTP id k18so19909575oik.1; Thu, 15 Apr 2021 09:22:12 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=d/9SSe9qd76j3w/26tWnM9Z02p15+WwuG2Knfg+0n4s=; b=hdh4Th3wA+wRxuR7Je/bM6fb8IuoKOCDo0hK3d3HU9doWjuBGO2Vaba2yQdDpVuDi0 FElJwI3P7sb5tggARlO7uQG9CrlMBHuZv/L0ixEIP+QHRCyv/aBemwpMUhPgo2wk3QNu pSdkuZ8aJwW4P9leo0QEV6WMQ7HOImo/4VubsjuukThr/rPGB3p9y/VM7Q45exJMYpQv vzhRHee04iVAdjrYQcbojpPj+6N4iDKfMRuxMJkWLHZcw6djN7+tLeP35r5dDMzyzRkB yFADqygdJhGz4TCxBC/6B0phS7yZQLaWqQP/VnApXbZp2/og3FQzodn8sdzT6bykqHpV y6fg== X-Gm-Message-State: AOAM531WTsXkRMZWK/ngmUmwUHWq0vLhXikv+rP8zu8pg1W5cUbexvE0 V11Fmy3kw7UTW5tHGdKvFg== X-Google-Smtp-Source: ABdhPJz/joP0ivmfqTjdzeEFa3WPY4cCr6cMFUQUdkSY3DpUdPQyNScyGlDoY4gcKaJ2jEHokIejNw== X-Received: by 2002:aca:5dd4:: with SMTP id r203mr3171331oib.6.1618503732015; Thu, 15 Apr 2021 09:22:12 -0700 (PDT) Received: from robh.at.kernel.org (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id f12sm749230otf.65.2021.04.15.09.22.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Apr 2021 09:22:11 -0700 (PDT) Received: (nullmailer pid 1510943 invoked by uid 1000); Thu, 15 Apr 2021 16:22:09 -0000 Date: Thu, 15 Apr 2021 11:22:09 -0500 From: Rob Herring To: Badhri Jagan Sridharan Cc: Guenter Roeck , linux-kernel@vger.kernel.org, Greg Kroah-Hartman , linux-usb@vger.kernel.org, Kyle Tso , Heikki Krogerus , Adam Thomson , Rob Herring , devicetree@vger.kernel.org Subject: Re: [PATCH v4 3/3] dt-bindings: connector: Add slow-charger-loop definition Message-ID: <20210415162209.GA1510914@robh.at.kernel.org> References: <20210414142656.63749-1-badhri@google.com> <20210414142656.63749-3-badhri@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210414142656.63749-3-badhri@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 14 Apr 2021 07:26:56 -0700, Badhri Jagan Sridharan wrote: > Allows PMIC charger loops which are slow(i.e. cannot meet the > 15ms deadline) to still comply to pSnkStby i.e Maximum power > that can be consumed by sink while in Sink Standby state as defined > in 7.4.2 Sink Electrical Parameters of USB Power Delivery Specification > Revision 3.0, Version 1.2. > > This patch introduces slow-charger-loop which when set makes > the port request PD_P_SNK_STDBY_MW(2.5W i.e 500mA@5V) upon entering > SNK_DISCOVERY (instead of 3A or the 1.5A during SNK_DISCOVERY) and the > actual currrent limit after RX of PD_CTRL_PSRDY for PD link or during > SNK_READY for non-pd link. > > Signed-off-by: Badhri Jagan Sridharan > --- > Changes since v3: > * Removed additional semi-colon in the subject line > Changes since V2: > To address Rob's comments > * Updated commit and the binding description. > * Updated subject as well. > --- > .../devicetree/bindings/connector/usb-connector.yaml | 10 ++++++++++ > 1 file changed, 10 insertions(+) > Acked-by: Rob Herring