From patchwork Wed Dec 11 03:07:06 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amit Sunil Dhamne via B4 Relay X-Patchwork-Id: 850752 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EA3FE1FECA0; Wed, 11 Dec 2024 03:07:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733886446; cv=none; b=CLW4Tz2mcsKL1tmpQArovkLJgigGcKr/KhzTnc8un4BfGNmCzNdyPPol/u4q5htTklQOHo4uU6N7rzoO5CNkOI3Lsg1nEMYxXNoqZilcZwj9qZhLIBLI24FBvm2Wv9G2hcDr5RMnYPJFXu0w/K/QlWzD06KXBKQpOOdfGauF0WI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733886446; c=relaxed/simple; bh=CEwUdYH0nCr9FSjB3Vc7SkwELpFgK6Eq00uXcIMkpiM=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=ks+C3ZzAHWqoK7iOwQqDASSNZTXMHYgxydkQPGmeaAJCrNDf+eP7bQU+QxXvhm/omY2WKTyxZl38kYGlNCV/ig8FQxS0t1XZJaKFOw9N2lB9VFBZ1lSB2S+6fHWRDuS4p5oqtfQetMnQsSbjk0GBpuJM1h46LMsrs6UxWrMpZ1A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MpzG/ymu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MpzG/ymu" Received: by smtp.kernel.org (Postfix) with ESMTPS id 6D178C4CED6; Wed, 11 Dec 2024 03:07:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733886445; bh=CEwUdYH0nCr9FSjB3Vc7SkwELpFgK6Eq00uXcIMkpiM=; h=From:Subject:Date:To:Cc:Reply-To:From; b=MpzG/ymucHJoGU1OFLMgsZiilcgUzrksPj6+cgIgjUuq3diZ8Ddod//l9TBR4MqN0 rhUvpzp6uyEjZhYSNXVsQpV5A57+Z7T/BokVQbD8A6wK70+rVXLY4VRKXnV6SrhSjt /U/B6LTAFyTS7U5yNsaWAMdqRCivYlc789VTvZ9XP0zuWMt3kX3TAc1JLDyXNvn+9w c8pJa33mdO6t9wT6QyGAIBR0xOgUnmRLYsXheq1XvSazdpnaa4QlwdabexMgolVm0Q 0RYmMOpRbsJ/eW6qEbNzen7sipro8g645dSAG8A2jDlwGBF28mhf1AfhX/DxcpjNFS K7v4a+a9/ArVQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5C17EE7717F; Wed, 11 Dec 2024 03:07:25 +0000 (UTC) From: Amit Sunil Dhamne via B4 Relay Subject: [PATCH v2 0/3] Add support for responding to Get_Revision request Date: Tue, 10 Dec 2024 19:07:06 -0800 Message-Id: <20241210-get_rev_upstream-v2-0-d0094e52d48f@google.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIANoBWWcC/32NTQ7CIBCFr9LMWsyAlmpX3sM0DbYDJbGlASSah ruLPYBv9728nw0CeUsB2moDT8kG65YC4lDBMKnFELNjYRAozlxgzQzFvgT71xqiJzUz+ZBYJE+ oNJTa6knb9z557wpPNkTnP/tD4j/3z1jiDNkVeX0hasam1jfjnHnScXAzdDnnL/C4TpKxAAAA X-Change-ID: 20241205-get_rev_upstream-6b60000630af To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , Badhri Jagan Sridharan , Heikki Krogerus Cc: Kyle Tso , RD Babiera , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Amit Sunil Dhamne X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1733886444; l=1318; i=amitsd@google.com; s=20241031; h=from:subject:message-id; bh=CEwUdYH0nCr9FSjB3Vc7SkwELpFgK6Eq00uXcIMkpiM=; b=NZyEywntSJaRNYEZgJ8E1nGOMQ+NnCFvACWapkVOKgSHnikaWWYbndwYepCoL4hFEpOZ6EbpJ X+zZYEYLd6mCY2VY+ChM5709KSmPLyIzVgxByByztlHn5EoHhA/6+a+ X-Developer-Key: i=amitsd@google.com; a=ed25519; pk=wD+XZSST4dmnNZf62/lqJpLm7fiyT8iv462zmQ3H6bI= X-Endpoint-Received: by B4 Relay for amitsd@google.com/20241031 with auth_id=262 X-Original-From: Amit Sunil Dhamne Reply-To: amitsd@google.com Currently TCPM doesn't support responding to Get_Revision request message. However, as per Message Applicability in USB PD Spec 3.1 v1.8 ("6.13.2 Applicability of Data Messages") "Revision" is a Normative (compulsory) message and needs to be supported. As part of this patchset add support for responding to Get_Revision requests as part of Revision_Information AMS. Signed-off-by: Amit Sunil Dhamne --- Changes in v2: - Added maxItems constraint to "pd-revision" property - Link to v1: https://lore.kernel.org/r/20241205-get_rev_upstream-v1-0-90158ee7d75f@google.com --- Amit Sunil Dhamne (3): dt-bindings: connector: Add pd-revision property usb: typec: tcpm: Add support for parsing pd-revision DT property usb: typec: tcpm: Add new AMS for Get_Revision response .../bindings/connector/usb-connector.yaml | 7 ++ .../devicetree/bindings/usb/maxim,max33359.yaml | 1 + drivers/usb/typec/tcpm/tcpm.c | 87 +++++++++++++++++++++- include/linux/usb/pd.h | 22 +++++- 4 files changed, 112 insertions(+), 5 deletions(-) --- base-commit: 40384c840ea1944d7c5a392e8975ed088ecf0b37 change-id: 20241205-get_rev_upstream-6b60000630af Best regards,