From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v3,1/3] dt-bindings: connector: Add self-powered property From: Heikki Krogerus Message-Id: <20181102132758.GA6543@kuha.fi.intel.com> Date: Fri, 2 Nov 2018 15:27:58 +0200 To: Badhri Jagan Sridharan , Rob Herring Cc: Mark Rutland , Greg Kroah-Hartman , Chanwoo Choi , Andrzej Hajda , Li Jun , linux@roeck-us.net, jackp@codeaurora.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org List-ID: T24gTW9uLCBPY3QgMDEsIDIwMTggYXQgMTI6NDQ6NTlQTSAtMDcwMCwgQmFkaHJpIEphZ2FuIFNy aWRoYXJhbiB3cm90ZToKPiA+RnJvbSBVU0JfUERfUjNfMAo+IDcuMS41IFJlc3BvbnNlIHRvIEhh cmQgUmVzZXRzCj4gRGV2aWNlIG9wZXJhdGlvbiBkdXJpbmcgYW5kIGFmdGVyIGEgSGFyZCBSZXNl dCBpcyBkZWZpbmVkIGFzIGZvbGxvd3M6Cj4gU2VsZi1wb3dlcmVkIGRldmljZXMgU2hvdWxkIE5v dCBkaXNjb25uZWN0IGZyb20gVVNCIGR1cmluZyBhIEhhcmQgUmVzZXQKPiAoc2VlIFNlY3Rpb24g OS4xLjIpLgo+IEJ1cyBwb3dlcmVkIGRldmljZXMgd2lsbCBkaXNjb25uZWN0IGZyb20gVVNCIGR1 cmluZyBhIEhhcmQgUmVzZXQgZHVlIHRvIHRoZQo+IGxvc3Mgb2YgdGhlaXIgcG93ZXIgc291cmNl Lgo+IAo+IFRoZXJlZm9yZSBpdCBpcyBuZWNlc3NhcnkgdG8ga25vdyB3aGV0aGVyIHRoZSBwb3J0 IGJlbG9uZ3MgdG8KPiBhIGRldmljZSB3aGljaCBpcyBzZWxmIHBvd2VyZWQgb3IgYnVzIHBvd2Vy ZWQuIFRoaXMgY2hhbmdlCj4gYWRkcyAic2VsZi1wb3dlcmVkIiBmbGFnIHRvIHRoZSBjb25uZWN0 b3IgY2xhc3Mgd2hpY2ggcHJlc2VudCBpbmRpY2F0ZXMKPiB0aGF0IHRoZSBwb3J0IGJlbG9uZ3Mg dG8gYSBkZXZpY2UgdGhhdCBpcyBzZWxmIHBvd2VyZWQuIEVsc2UgaXQgaXMKPiBidXMgcG93ZXJl ZCB1c2IgZGV2aWNlLgo+IAo+IFNpZ25lZC1vZmYtYnk6IEJhZGhyaSBKYWdhbiBTcmlkaGFyYW4g PGJhZGhyaUBnb29nbGUuY29tPgoKUm9iLCBJIGNhbiBzZWUgeW91IGFja2VkIG9uZSBvZiB0aGUg cGF0Y2hlcyBtb2RpZnlpbmcgdGNwbS5jIGluIHRoaXMKc2VyaWVzLCBidXQgZGlkIHlvdSBtZWFu IHRvIHB1dCB0aGUgdGFnIHRvIHRoaXMgcGF0Y2ggaW5zdGVhZD8KCkZXSVc6CgpSZXZpZXdlZC1i eTogSGVpa2tpIEtyb2dlcnVzIDxoZWlra2kua3JvZ2VydXNAbGludXguaW50ZWwuY29tPgoKPiAt LS0tLS0tCj4gQ2hhbmdlcyBpcyB2MzoKPiAtIFJlYmFzZSBvbiB0b3Agb2YgdXNiLW5leHQKPiAt IG5vIGNoYW5nZSB3LnIudCB0byB0aGlzIHBhdGNoLiBTYW1lIGFzIHByZXZpb3VzIHZlcnNpb25z Lgo+IAo+IE5vIHYyIHZlcnNpb24gYXMgdGhlIHBhdGNoIHdhcyBpbnRyb2R1Y2VkIHRoZXJlLgo+ IAo+IC0tLQo+ICBEb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3MvY29ubmVjdG9yL3Vz Yi1jb25uZWN0b3IudHh0IHwgMiArKwo+ICAxIGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCsp Cj4gCj4gZGlmZiAtLWdpdCBhL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9jb25u ZWN0b3IvdXNiLWNvbm5lY3Rvci50eHQgYi9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGlu Z3MvY29ubmVjdG9yL3VzYi1jb25uZWN0b3IudHh0Cj4gaW5kZXggZDkwZTE3ZTI0MjhiLi5hOWEy ZjJmYzQ0ZjIgMTAwNjQ0Cj4gLS0tIGEvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdz L2Nvbm5lY3Rvci91c2ItY29ubmVjdG9yLnR4dAo+ICsrKyBiL0RvY3VtZW50YXRpb24vZGV2aWNl dHJlZS9iaW5kaW5ncy9jb25uZWN0b3IvdXNiLWNvbm5lY3Rvci50eHQKPiBAQCAtMTQsNiArMTQs OCBAQCBPcHRpb25hbCBwcm9wZXJ0aWVzOgo+ICAtIGxhYmVsOiBzeW1ib2xpYyBuYW1lIGZvciB0 aGUgY29ubmVjdG9yLAo+ICAtIHR5cGU6IHNpemUgb2YgdGhlIGNvbm5lY3Rvciwgc2hvdWxkIGJl IHNwZWNpZmllZCBpbiBjYXNlIG9mIFVTQi1BLCBVU0ItQgo+ICAgIG5vbi1mdWxsc2l6ZSBjb25u ZWN0b3JzOiAibWluaSIsICJtaWNybyIuCj4gKy0gc2VsZi1wb3dlcmVkOiBTZXQgdGhpcyBwcm9w ZXJ0eSBpZiB0aGUgdXNiIGRldmljZSB0aGF0IGhhcyBpdHMgb3duIHBvd2VyCj4gKyAgc291cmNl Lgo+ICAKPiAgT3B0aW9uYWwgcHJvcGVydGllcyBmb3IgdXNiLWMtY29ubmVjdG9yOgo+ICAtIHBv d2VyLXJvbGU6IHNob3VsZCBiZSBvbmUgb2YgInNvdXJjZSIsICJzaW5rIiBvciAiZHVhbCIoRFJQ KSBpZiB0eXBlYwo+IC0tIAo+IDIuMTkuMC42MDUuZzAxZDM3MWY3NDEtZ29vZwoKdGhhbmtzLAo= From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heikki Krogerus Subject: Re: [PATCH v3 1/3] dt-bindings: connector: Add self-powered property Date: Fri, 2 Nov 2018 15:27:58 +0200 Message-ID: <20181102132758.GA6543@kuha.fi.intel.com> References: <20181001194501.58338-1-badhri@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20181001194501.58338-1-badhri@google.com> Sender: linux-kernel-owner@vger.kernel.org To: Badhri Jagan Sridharan , Rob Herring Cc: Mark Rutland , Greg Kroah-Hartman , Chanwoo Choi , Andrzej Hajda , Li Jun , linux@roeck-us.net, jackp@codeaurora.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org List-Id: devicetree@vger.kernel.org On Mon, Oct 01, 2018 at 12:44:59PM -0700, Badhri Jagan Sridharan wrote: > >From USB_PD_R3_0 > 7.1.5 Response to Hard Resets > Device operation during and after a Hard Reset is defined as follows: > Self-powered devices Should Not disconnect from USB during a Hard Reset > (see Section 9.1.2). > Bus powered devices will disconnect from USB during a Hard Reset due to the > loss of their power source. > > Therefore it is necessary to know whether the port belongs to > a device which is self powered or bus powered. This change > adds "self-powered" flag to the connector class which present indicates > that the port belongs to a device that is self powered. Else it is > bus powered usb device. > > Signed-off-by: Badhri Jagan Sridharan Rob, I can see you acked one of the patches modifying tcpm.c in this series, but did you mean to put the tag to this patch instead? FWIW: Reviewed-by: Heikki Krogerus > ------- > Changes is v3: > - Rebase on top of usb-next > - no change w.r.t to this patch. Same as previous versions. > > No v2 version as the patch was introduced there. > > --- > Documentation/devicetree/bindings/connector/usb-connector.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/connector/usb-connector.txt b/Documentation/devicetree/bindings/connector/usb-connector.txt > index d90e17e2428b..a9a2f2fc44f2 100644 > --- a/Documentation/devicetree/bindings/connector/usb-connector.txt > +++ b/Documentation/devicetree/bindings/connector/usb-connector.txt > @@ -14,6 +14,8 @@ Optional properties: > - label: symbolic name for the connector, > - type: size of the connector, should be specified in case of USB-A, USB-B > non-fullsize connectors: "mini", "micro". > +- self-powered: Set this property if the usb device that has its own power > + source. > > Optional properties for usb-c-connector: > - power-role: should be one of "source", "sink" or "dual"(DRP) if typec > -- > 2.19.0.605.g01d371f741-goog thanks, -- heikki