From: Rob Herring <robh@kernel.org>
To: Badhri Jagan Sridharan <badhri@google.com>
Cc: Guenter Roeck <linux@roeck-us.net>,
linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, Kyle Tso <kyletso@google.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Adam Thomson <Adam.Thomson.Opensource@diasemi.com>,
Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org
Subject: Re: [PATCH v4 3/3] dt-bindings: connector: Add slow-charger-loop definition
Date: Thu, 15 Apr 2021 11:22:09 -0500 [thread overview]
Message-ID: <20210415162209.GA1510914@robh.at.kernel.org> (raw)
In-Reply-To: <20210414142656.63749-3-badhri@google.com>
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 <badhri@google.com>
> ---
> 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 <robh@kernel.org>
prev parent reply other threads:[~2021-04-15 16:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-14 14:26 [PATCH v4 1/3] usb: typec: tcpm: Honour pSnkStdby requirement during negotiation Badhri Jagan Sridharan
2021-04-14 14:26 ` [PATCH v4 2/3] usb: typec: tcpm: Allow slow charging loops to comply to pSnkStby Badhri Jagan Sridharan
2021-04-14 15:09 ` Greg Kroah-Hartman
2021-04-14 14:26 ` [PATCH v4 3/3] dt-bindings: connector: Add slow-charger-loop definition Badhri Jagan Sridharan
2021-04-15 16:22 ` Rob Herring [this message]
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