From nobody Sun Nov 24 21:20:37 2024 Received: from mail-yb1-f201.google.com (mail-yb1-f201.google.com [209.85.219.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9F0BD6F099 for ; Sun, 3 Nov 2024 03:46:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730605608; cv=none; b=YxVzD6Igcw3caBi0cuaYJl4vNSJjmvDjfpny8YSqswnXq/S2u20XgFTVEkCKFstX3KQbDoDT/HPSSptieKSyz1gG0//QuvjkxZC2vA3eBLvDClOBT+0xLKz3CcjfIxF+LF+n5k9+C2ol8YDRHz0zY8mvjigNNU7thICy0YYPaNg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730605608; c=relaxed/simple; bh=UD37Q3kv+0zSTiaCDIGf4tHsYG947h5UUXOysx/iLUs=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=EoOUmjlFhcsjNPNCnws8MHZHb93ATQYOr0A2AjfvPHj5tviYrLQKTZOltSBR4BToVpVNBwixfv1KnQ6VG/uZOxaC2iBXLa/pGCtBgSHy9/omI8hJOijfRErKhSUYpEp0RA3XDLbTfA8IwTzbWhhpRLkGImyZGRyK8CgkheJtHg8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--amitsd.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=IRvEtCSZ; arc=none smtp.client-ip=209.85.219.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--amitsd.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="IRvEtCSZ" Received: by mail-yb1-f201.google.com with SMTP id 3f1490d57ef6-e292dbfd834so5544069276.3 for ; Sat, 02 Nov 2024 20:46:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1730605604; x=1731210404; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=V3/D4cNuA+god4pAH3Cm6vq8553sgmtxzLl09CBk8Y8=; b=IRvEtCSZlyKmRP8Q70/LVVeaQBCbNANOqVbM1CqPi2ssRr4HkB6bl7q0sTWJmR5+5x yHAA4ybC7RLtL5W79YCVe4Ehx7x7YZU2JUBD1eVybuyeio4+X+1JisAohwmz1BQvagjG 52s822bAgO0k/XNZgyQp9hzDRHRrVmoAxHoksFMpfSdT+HH28jyS2rPRjaj1LWTYD5aN ktUcp/NYTEjIivcVeIV04J4sAqG+zPD2aC6V4poAX+92qpMlkqAc+SOocz4wFw7zS674 kfY4TMghiE94F6wK72cFAPiBlr2vm/o65FObN9cwd0bQUNvXDrNppq7YVCpKURknRYys 77hA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730605604; x=1731210404; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=V3/D4cNuA+god4pAH3Cm6vq8553sgmtxzLl09CBk8Y8=; b=ErDrDq4SEsBBLM4B7aFh3LlTC3z/a614QbeZlIdmaEjJy6O6gB7gZK+doBhSHbYtXP 8pbO2gXyHXEuvNitwDLb8Wk8YEeSw4VV+oM742WqijReMByPhYRl7fKkIBqS0fFBXQ+x n0pK+tAPZGla8VUWEzB5IR4nff5IfKhKThQBpwJDMhY6+wY1TVOvxw3B7Vi1gzEuMyqm 2dBhT62P0asfoFf3PwjLqt7DruTqeo+nAXP9oCkxFAIbLUoI3m2VpxrkEusEpfBbVTI7 MvYxYusW3tz6Df9EoP6E65PqtONNi3U1pwz/en0TXIXe0h45VPib//igxVA8nPmpMdH/ j35w== X-Forwarded-Encrypted: i=1; AJvYcCVd+WSCZe0Wn93hM/mlTrFlH/Zc2ECoCaD6eQ8vKeYnRpZ6OsHBxCibj/5gYqYYJTsuR/hhcAoJroesM+k=@vger.kernel.org X-Gm-Message-State: AOJu0YxngG8CiU8LIopIgRxee3yyYLof50MQttzuEPyKMKB0DuyvbGJb fUpmUp1kAA0YIpT39blMEb1jpaH0ZdCQ8A2LNZOZbLr1po6C3XlJ7FE9P3VYcUawfUpbXHFX27u ehA== X-Google-Smtp-Source: AGHT+IHzb0iRIstFF5hN4PGd2zA1+ThWNXNbtoz4ikdltRmzRF3u92SdPOFeBkTUGKp0h2hZRT1/GG15QsI= X-Received: from amitsd-gti.c.googlers.com ([fda3:e722:ac3:cc00:20:ed76:c0a8:827]) (user=amitsd job=sendgmr) by 2002:a25:a045:0:b0:e30:da65:7240 with SMTP id 3f1490d57ef6-e33025536damr8488276.3.1730605603649; Sat, 02 Nov 2024 20:46:43 -0700 (PDT) Date: Sat, 2 Nov 2024 20:43:28 -0700 In-Reply-To: <20241103034402.2460252-1-amitsd@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20241103034402.2460252-1-amitsd@google.com> X-Mailer: git-send-email 2.47.0.199.ga7371fff76-goog Message-ID: <20241103034402.2460252-2-amitsd@google.com> Subject: [PATCH v2 1/3] dt-bindings: connector: Add time property for Sink BC12 detection completion From: Amit Sunil Dhamne To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, gregkh@linuxfoundation.org, heikki.krogerus@linux.intel.com Cc: dmitry.baryshkov@linaro.org, kyletso@google.com, rdbabiera@google.com, badhri@google.com, linux@roeck-us.net, xu.yang_2@nxp.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Amit Sunil Dhamne , Krzysztof Kozlowski Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" This commit adds a new time property for Battery charger (BC1.2) type detection completion process (based on BCv1.2 detection spec) when typec port connects in a potential sink role. BC1.2 detection is used by some Type C port controllers implementations (such as "maxim,max33359") to detect the type of charger port. Signed-off-by: Amit Sunil Dhamne Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/connector/usb-connector.yaml | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml= b/Documentation/devicetree/bindings/connector/usb-connector.yaml index 21a0c58c65cd..67700440e23b 100644 --- a/Documentation/devicetree/bindings/connector/usb-connector.yaml +++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml @@ -283,6 +283,16 @@ properties: maximum: 200 default: 200 =20 + sink-bc12-completion-time-ms: + description: Represents the max time in ms that a port in sink role ta= kes + to complete Battery Charger (BC1.2) Detection. BC1.2 detection is a + hardware mechanism, which in some TCPC implementations, can run in + parallel once the Type-C connection state machine reaches the "poten= tial + connect as sink" state. In TCPCs where this causes delays to respond= to + the incoming PD messages, sink-bc12-completion-time-ms is used to de= lay + PD negotiation till BC1.2 detection completes. + default: 0 + dependencies: sink-vdos-v1: [ sink-vdos ] sink-vdos: [ sink-vdos-v1 ] @@ -426,6 +436,7 @@ examples: sink-wait-cap-time-ms =3D <465>; ps-source-off-time-ms =3D <835>; cc-debounce-time-ms =3D <101>; + sink-bc12-completion-time-ms =3D <500>; }; }; =20 --=20 2.47.0.199.ga7371fff76-goog