From patchwork Tue Apr 6 01:36:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Badhri Jagan Sridharan X-Patchwork-Id: 12183927 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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham 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 7DEFBC43462 for ; Tue, 6 Apr 2021 01:37:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 56F2E610CC for ; Tue, 6 Apr 2021 01:37:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243163AbhDFBhP (ORCPT ); Mon, 5 Apr 2021 21:37:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44278 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243186AbhDFBhJ (ORCPT ); Mon, 5 Apr 2021 21:37:09 -0400 Received: from mail-qt1-x849.google.com (mail-qt1-x849.google.com [IPv6:2607:f8b0:4864:20::849]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94AA9C061788 for ; Mon, 5 Apr 2021 18:37:01 -0700 (PDT) Received: by mail-qt1-x849.google.com with SMTP id l13so9489196qtu.6 for ; Mon, 05 Apr 2021 18:37:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=MAtT5IENk0bC9gBQziGXRz4UgkBtlGCp0/LaMeeOCJs=; b=Ivh9XNG4Qutnb7/BovIsn7HjCHYJZgmeVhN28v2wxyya/IxwWx2RpOfZ/6k0qGfXGs TAaJ+ow+qxl47MKsWRTXkmIAv47ed07eRTnGHMfq68OPpY/iB7XRh/fQ6hzGIhAIHbWn vrBxvqcP8sbf395/YbRIhVNTMcJdqcpCRo33r4yObDiY4EfPMuEDlISWvKgPhdK7dPVi i+phbqB6tCQryjF7C/a+6MvgKzmlXJ66/IYUtxKLD13sJqfdgCCSWSYpl+qbLo8JWur1 Y7KKacZQWu4iQqtb90V2aylEfD3NAzXT7xng/WkHU/9Ro3ULhLRjkeY++Re9WZFAmlcP f9qA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=MAtT5IENk0bC9gBQziGXRz4UgkBtlGCp0/LaMeeOCJs=; b=tjhe9b3yyVp88RlT5obFuF5iMgYuUJ4B8O2adn9Wcv7RV5m92sr/rjYYkKBN/DHV0k /TzGbWIgT/lVkeenv2EpLosoFJmPbPaW0AVis1BhRnuZ2JSTJVnh0OGhlLBTA4bNYl66 RuHoKoWuKNvYGmlrHsrHoA20x8xxTWBWkC8AaqRQfAvOAI7lWIgwEHI1BwMl6T8tYAY3 pZsVvi1yBHtCH5lF6svGvCoJZdVpCRxSc/Qshk/aXprNQUpTqBiXlOMKmpGaaagVtArK qTGDQhW7NXantewSego5qNJl1GxH1eeZPIWOkCa0vrxKZgpCtzjci7t2gqtQO1WEdWnu wDkw== X-Gm-Message-State: AOAM530mzFMwj6KHSqF9gwIbK1SqWfMguqzaTe2JhQAq8/Ym2Jj9c3WO ihrnQzIIsXBv3WiItsMRpcDcyPH9nvU= X-Google-Smtp-Source: ABdhPJxT7352JEwDxFYK/J/zwCsJcnIjSh6UXFP7OtRK7cfzmpG8gZNmd/0bEbVsT/QhZ8oSUN1oPKEs4xI= X-Received: from badhri.mtv.corp.google.com ([2620:15c:211:201:7080:32f9:cd15:6178]) (user=badhri job=sendgmr) by 2002:a0c:fcc6:: with SMTP id i6mr3362208qvq.18.1617673020739; Mon, 05 Apr 2021 18:37:00 -0700 (PDT) Date: Mon, 5 Apr 2021 18:36:43 -0700 In-Reply-To: <20210406013643.3280369-1-badhri@google.com> Message-Id: <20210406013643.3280369-7-badhri@google.com> Mime-Version: 1.0 References: <20210406013643.3280369-1-badhri@google.com> X-Mailer: git-send-email 2.31.0.208.g409f899ff0-goog Subject: [PATCH v1 6/6] Documentation: connector: Add slow-charger-loop definition From: Badhri Jagan Sridharan To: Guenter Roeck , Heikki Krogerus , Greg Kroah-Hartman , Rob Herring , Adam Thomson Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Kyle Tso , Badhri Jagan Sridharan Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org To allow slow charger loops to comply to pSnkStby requirement, this patch introduces slow-charger-loop which when set makes the port request PD_P_SNK_STDBY_MW 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 --- .../devicetree/bindings/connector/usb-connector.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml index b6daedd62516..09ad3ad983a6 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -197,6 +197,13 @@ properties: $ref: /schemas/types.yaml#/definitions/uint32 enum: [1, 2, 3] + slow-charger-loop: + description: Allows slow charging loops to comply to pSnkStby. When set makes + the port request pSnkStby(2.5W - 5V@500mA) upon entering SNK_DISCOVERY(instead + of 3A or the 1.5A during SNK_DISCOVERY) and the actual currrent limit after + reception of PS_Ready for PD link or during SNK_READY for non-pd link. + type: boolean + required: - compatible