From: Rob Herring <robh@kernel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@linaro.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <andersson@kernel.org>,
"Konrad Dybcio" <konrad.dybcio@linaro.org>,
"Hans de Goede" <hdegoede@redhat.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Mark Gross" <markgross@kernel.org>,
"Heikki Krogerus" <heikki.krogerus@linux.intel.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH v2 0/3] dt-bindings: connector: usb: provide bindings for altmodes
Date: Thu, 16 Nov 2023 12:36:09 -0600 [thread overview]
Message-ID: <20231116183609.GA2742530-robh@kernel.org> (raw)
In-Reply-To: <20231113221528.749481-1-dmitry.baryshkov@linaro.org>
On Tue, Nov 14, 2023 at 12:13:26AM +0200, Dmitry Baryshkov wrote:
> In some cases we need a way to specify USB-C AltModes that can be
> supportd on the particular USB-C connector. For example, x86 INT33FE
> driver does this by populating fwnode properties internally. For the
> Qualcomm Robotics RB5 platform (and several similar devices which use
> Qualcomm PMIC TCPM) we have to put this information to the DT.
>
> Provide the DT bindings for this kind of information and while we are at
> it, change svid property to be 16-bit unsigned integer instead of a
> simple u32.
>
> NOTE: usage of u16 is not compatible with the recenty extended
> qcom/qrb5165-rb5.dts DT file. I'm looking for the guidance from DT and
> USB maintainers whether to retain u32 usage or it's better to switch to
> u16.
Depends if you are fine with the ABI break on this platform...
Rob
next prev parent reply other threads:[~2023-11-16 18:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-13 22:13 [PATCH v2 0/3] dt-bindings: connector: usb: provide bindings for altmodes Dmitry Baryshkov
2023-11-13 22:13 ` [PATCH v2 1/3] dt-bindings: connector: usb: add altmodes description Dmitry Baryshkov
2023-11-16 18:38 ` Rob Herring
2023-11-16 20:48 ` Dmitry Baryshkov
2023-11-13 22:13 ` [PATCH v2 2/3] usb: typec: change altmode SVID to u16 entry Dmitry Baryshkov
2023-11-15 7:27 ` Heikki Krogerus
2023-11-13 22:13 ` [PATCH v2 3/3] arm64: dts: qcom: qrb5165-rb5: use u16 for DP altmode svid Dmitry Baryshkov
2023-11-15 16:17 ` Konrad Dybcio
2023-11-16 18:36 ` Rob Herring [this message]
2023-11-16 20:39 ` [PATCH v2 0/3] dt-bindings: connector: usb: provide bindings for altmodes Dmitry Baryshkov
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