From patchwork Mon Sep 21 19:55:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Badhri Jagan Sridharan X-Patchwork-Id: 11790813 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 712D8139F for ; Mon, 21 Sep 2020 19:56:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 557362223E for ; Mon, 21 Sep 2020 19:56:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="HQP4hkQP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728321AbgIUT4V (ORCPT ); Mon, 21 Sep 2020 15:56:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728281AbgIUT4N (ORCPT ); Mon, 21 Sep 2020 15:56:13 -0400 Received: from mail-qk1-x74a.google.com (mail-qk1-x74a.google.com [IPv6:2607:f8b0:4864:20::74a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E05CFC0613CF for ; Mon, 21 Sep 2020 12:56:12 -0700 (PDT) Received: by mail-qk1-x74a.google.com with SMTP id j5so11829160qka.7 for ; Mon, 21 Sep 2020 12:56:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=5FrumbcAeu54idbHYrGk3eIL/4JmYNsuV6pzKeioD/A=; b=HQP4hkQPyaPQaPeZMQKr/WG/vHJn4/+lNs+7YQFMBIRpjgRBIWc5GE5fFu6RC9EG9k m4A3j598FJsGaCigKu7PPkymhVoROdhlrwEu3Ug2/44bgbSnnADhNwRtGYjvdfB01vu8 flYwXyMU64kQv9unrHVlFj4+KGPFqIHWR3kAJsl0O8CSxhRXU4/jPDE4IA6hIN0REUvd y9Vtz83gghNTR/r0bl7Tin0b8wV2BVvEcTQtomFcbvhIQydH5BWMlY3NDl7P5umj0Hod +MBjvKJEYAkgs/E/yfV4ZWf+QpYARkLJIUwKmCm1J0kA5xJQoyP/OjjYVJgBkI/58xPs eJeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=5FrumbcAeu54idbHYrGk3eIL/4JmYNsuV6pzKeioD/A=; b=SUrjOBOkycMvvg84hF2e/d65Z9AHNJrkJ46XNEYOUYfqqRrAA3AQEyweEXKGXhm2Tu zveM2sDz30+YEvdXSrTkWBc6rsH5nKkBR0HaDerBi0z7wCJKMPrXGjEZ+mZ3uzTktZgs qPhqN8zK0LhaSD8W2l9fInyqx6TztN3yVFmVpvI5gLZDXIBg4h8dd+E/X156Imm+BZRl Uq5hFpSr6zug/QxmHsLDhkMoUF1qZsyXaKuGquBijZGBrTlsY0Wj1tM2KWhlqZy3KXkV jZEaFYPVusiZODvH8WMXvC/2LP1OdRhLsjKlKCgs9dX+fjvCo71F9k2rCM7BcU2+LIAt kfEw== X-Gm-Message-State: AOAM532VI7vRpgWgpv2Nnf/a0gN0vyVhxwgkbbgASqLI1LNtqL1BOLws xeSGwCtIXQGmRfENtA86Kq4IxJKLgE8= X-Google-Smtp-Source: ABdhPJyywnIiDx/8snJDlo4oLbprY1kUapZltGvSNvHTc/9eF/ckRq07b7AMs57MSoSBQqlTFWXNIOPHmcU= Sender: "badhri via sendgmr" X-Received: from badhri.mtv.corp.google.com ([2620:15c:211:1:f292:1cff:fee0:66cf]) (user=badhri job=sendgmr) by 2002:a0c:ee86:: with SMTP id u6mr1826182qvr.56.1600718172071; Mon, 21 Sep 2020 12:56:12 -0700 (PDT) Date: Mon, 21 Sep 2020 12:55:49 -0700 In-Reply-To: <20200921195555.1050731-1-badhri@google.com> Message-Id: <20200921195555.1050731-5-badhri@google.com> Mime-Version: 1.0 References: <20200921195555.1050731-1-badhri@google.com> X-Mailer: git-send-email 2.28.0.681.g6f77f65b4e-goog Subject: [PATCH v8 05/11] dt-bindings: connector: Add property to set initial current cap for FRS From: Badhri Jagan Sridharan To: Guenter Roeck , Heikki Krogerus , Greg Kroah-Hartman , Rob Herring , Lee Jones , Mark Brown , Maxime Ripard , Alexandre Belloni , Thierry Reding , Prashant Malani , Badhri Jagan Sridharan Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org This change adds frs-typec-current which allows setting the initial current capability of the new source when vSafe5V is applied during PD3.0 sink Fast Role Swap. Signed-off-by: Badhri Jagan Sridharan --- Changes since v1: - Changing patch version to v6 to fix version number confusion. Changes since v6: - Removed the redundant usb-connector.txt that I created by mistake. - Moved to yaml. Changes since v7: - Rebase --- .../devicetree/bindings/connector/usb-connector.yaml | 8 ++++++++ include/dt-bindings/usb/pd.h | 10 ++++++++++ 2 files changed, 18 insertions(+) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml index 9bd52e63c935..1ca8e6a337e5 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -142,6 +142,14 @@ properties: required: - port@0 + frs-typec-current: + description: Initial current capability of the new source when vSafe5V + is applied during PD3.0 Fast Role Swap. "Table 6-14 Fixed Supply PDO - Sink" + of "USB Power Delivery Specification Revision 3.0, Version 1.2" provides the + different power levels and "6.4.1.3.1.6 Fast Role Swap USB Type-C Current" + provides a detailed description of the field. + $ref: /schemas/types.yaml#/definitions/uint32 + required: - compatible diff --git a/include/dt-bindings/usb/pd.h b/include/dt-bindings/usb/pd.h index 985f2bbd4d24..db1ad4532197 100644 --- a/include/dt-bindings/usb/pd.h +++ b/include/dt-bindings/usb/pd.h @@ -35,6 +35,16 @@ #define VSAFE5V 5000 /* mv units */ +/* + * Based on "Table 6-14 Fixed Supply PDO - Sink" of "USB Power Delivery Specification Revision 3.0, + * Version 1.2" + * Initial current capability of the new source when vSafe5V is applied. + */ +#define FRS_NOT_SUPPORTED 0 +#define FRS_DEFAULT_POWER 1 +#define FRS_5V_1P5A 2 +#define FRS_5V_3A 3 + #define PDO_BATT_MAX_VOLT_SHIFT 20 /* 50mV units */ #define PDO_BATT_MIN_VOLT_SHIFT 10 /* 50mV units */ #define PDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */