From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v3 1/2] dt-bindings: Documentation for qcom,eud Date: Sat, 17 Nov 2018 08:47:05 -0600 Message-ID: <20181117144705.GA18155@bogus> References: <1542310374-18474-1-git-send-email-pheragu@codeaurora.org> <1542310374-18474-2-git-send-email-pheragu@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1542310374-18474-2-git-send-email-pheragu@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: Prakruthi Deepak Heragu Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, rnayak@codeaurora.org, Satya Durga Srinivasu Prabhala List-Id: linux-arm-msm@vger.kernel.org On Thu, Nov 15, 2018 at 11:32:53AM -0800, Prakruthi Deepak Heragu wrote: > Documentation for Embedded USB Debugger (EUD) device tree bindings. I asked questions on v2 which were never answered. > > Signed-off-by: Satya Durga Srinivasu Prabhala > Signed-off-by: Prakruthi Deepak Heragu > --- > .../devicetree/bindings/soc/qcom/qcom,msm-eud.txt | 43 ++++++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt > > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt > new file mode 100644 > index 0000000..6d339e7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,msm-eud.txt > @@ -0,0 +1,43 @@ > +* Qualcomm Technologies Inc Embedded USB Debugger (EUD) > + > +The EUD (Embedded USB Debugger) is a mini-USB hub implemented > +on chip to support the USB-based debug and trace capabilities. > + > +Required properties: > + > + - compatible: Should be "qcom,msm-eud" > + - interrupts: Interrupt number > + - reg: Should be address and size of EUD register space > + > +EUD notifies clients for VBUS attach/detach and charger enable/disable > +events. The link between client and EUD is established via a directed > +graph. EUD has one endpoint of the graph link mentioning EUD as an > +output link and clients of EUD should have the other endpoint of the > +graph link as an input link. > + > +An example for EUD device node: > + > + eud: qcom,msm-eud@88e0000 { > + compatible = "qcom,msm-eud"; > + interrupts = ; > + reg = <0x88e0000 0x4000>; > + usb_con: connector { > + compatible = "usb-c-connector"; > + label = "USB-C"; > + port { > + eud_usb_output: endpoint { > + remote-endpoint = <&eud_usb3_input>; > + }; > + }; > + }; > + }; > + > +An example for EUD client: > + > + usb3 { > + port { > + eud_usb3_input: endpoint { > + remote-endpoint = <&eud_usb_output>; > + }; > + }; > + }; > -- > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project > 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: [v3,1/2] dt-bindings: Documentation for qcom,eud From: Rob Herring Message-Id: <20181117144705.GA18155@bogus> Date: Sat, 17 Nov 2018 08:47:05 -0600 To: Prakruthi Deepak Heragu Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ckadabi@codeaurora.org, tsoni@codeaurora.org, bryanh@codeaurora.org, psodagud@codeaurora.org, rnayak@codeaurora.org, Satya Durga Srinivasu Prabhala List-ID: T24gVGh1LCBOb3YgMTUsIDIwMTggYXQgMTE6MzI6NTNBTSAtMDgwMCwgUHJha3J1dGhpIERlZXBh ayBIZXJhZ3Ugd3JvdGU6Cj4gRG9jdW1lbnRhdGlvbiBmb3IgRW1iZWRkZWQgVVNCIERlYnVnZ2Vy IChFVUQpIGRldmljZSB0cmVlIGJpbmRpbmdzLgoKSSBhc2tlZCBxdWVzdGlvbnMgb24gdjIgd2hp Y2ggd2VyZSBuZXZlciBhbnN3ZXJlZC4KCj4gCj4gU2lnbmVkLW9mZi1ieTogU2F0eWEgRHVyZ2Eg U3Jpbml2YXN1IFByYWJoYWxhIDxzYXR5YXBAY29kZWF1cm9yYS5vcmc+Cj4gU2lnbmVkLW9mZi1i eTogUHJha3J1dGhpIERlZXBhayBIZXJhZ3UgPHBoZXJhZ3VAY29kZWF1cm9yYS5vcmc+Cj4gLS0t Cj4gIC4uLi9kZXZpY2V0cmVlL2JpbmRpbmdzL3NvYy9xY29tL3Fjb20sbXNtLWV1ZC50eHQgIHwg NDMgKysrKysrKysrKysrKysrKysrKysrKwo+ICAxIGZpbGUgY2hhbmdlZCwgNDMgaW5zZXJ0aW9u cygrKQo+ICBjcmVhdGUgbW9kZSAxMDA2NDQgRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRp bmdzL3NvYy9xY29tL3Fjb20sbXNtLWV1ZC50eHQKPiAKPiBkaWZmIC0tZ2l0IGEvRG9jdW1lbnRh dGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL3NvYy9xY29tL3Fjb20sbXNtLWV1ZC50eHQgYi9Eb2N1 bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3Mvc29jL3Fjb20vcWNvbSxtc20tZXVkLnR4dAo+ IG5ldyBmaWxlIG1vZGUgMTAwNjQ0Cj4gaW5kZXggMDAwMDAwMC4uNmQzMzllNwo+IC0tLSAvZGV2 L251bGwKPiArKysgYi9Eb2N1bWVudGF0aW9uL2RldmljZXRyZWUvYmluZGluZ3Mvc29jL3Fjb20v cWNvbSxtc20tZXVkLnR4dAo+IEBAIC0wLDAgKzEsNDMgQEAKPiArKiBRdWFsY29tbSBUZWNobm9s b2dpZXMgSW5jIEVtYmVkZGVkIFVTQiBEZWJ1Z2dlciAoRVVEKQo+ICsKPiArVGhlIEVVRCAoRW1i ZWRkZWQgVVNCIERlYnVnZ2VyKSBpcyBhIG1pbmktVVNCIGh1YiBpbXBsZW1lbnRlZAo+ICtvbiBj aGlwIHRvIHN1cHBvcnQgdGhlIFVTQi1iYXNlZCBkZWJ1ZyBhbmQgdHJhY2UgY2FwYWJpbGl0aWVz Lgo+ICsKPiArUmVxdWlyZWQgcHJvcGVydGllczoKPiArCj4gKyAtIGNvbXBhdGlibGU6ICBTaG91 bGQgYmUgInFjb20sbXNtLWV1ZCIKPiArIC0gaW50ZXJydXB0czogIEludGVycnVwdCBudW1iZXIK PiArIC0gcmVnOiBTaG91bGQgYmUgYWRkcmVzcyBhbmQgc2l6ZSBvZiBFVUQgcmVnaXN0ZXIgc3Bh Y2UKPiArCj4gK0VVRCBub3RpZmllcyBjbGllbnRzIGZvciBWQlVTIGF0dGFjaC9kZXRhY2ggYW5k IGNoYXJnZXIgZW5hYmxlL2Rpc2FibGUKPiArZXZlbnRzLiBUaGUgbGluayBiZXR3ZWVuIGNsaWVu dCBhbmQgRVVEIGlzIGVzdGFibGlzaGVkIHZpYSBhIGRpcmVjdGVkCj4gK2dyYXBoLiBFVUQgaGFz IG9uZSBlbmRwb2ludCBvZiB0aGUgZ3JhcGggbGluayBtZW50aW9uaW5nIEVVRCBhcyBhbgo+ICtv dXRwdXQgbGluayBhbmQgY2xpZW50cyBvZiBFVUQgc2hvdWxkIGhhdmUgdGhlIG90aGVyIGVuZHBv aW50IG9mIHRoZQo+ICtncmFwaCBsaW5rIGFzIGFuIGlucHV0IGxpbmsuCj4gKwo+ICtBbiBleGFt cGxlIGZvciBFVUQgZGV2aWNlIG5vZGU6Cj4gKwo+ICsJZXVkOiBxY29tLG1zbS1ldWRAODhlMDAw MCB7Cj4gKwkJY29tcGF0aWJsZSA9ICJxY29tLG1zbS1ldWQiOwo+ICsJCWludGVycnVwdHMgPSA8 R0lDX1NQSSA0OTIgSVJRX1RZUEVfTEVWRUxfSElHSD47Cj4gKwkJcmVnID0gPDB4ODhlMDAwMCAw eDQwMDA+Owo+ICsJCXVzYl9jb246IGNvbm5lY3RvciB7Cj4gKyAgICAgICAgICAgICAgICBjb21w YXRpYmxlID0gInVzYi1jLWNvbm5lY3RvciI7Cj4gKyAgICAgICAgICAgICAgICBsYWJlbCA9ICJV U0ItQyI7Cj4gKyAgICAgICAgICAgICAgICBwb3J0IHsKPiArICAgICAgICAgICAgICAgIAkgICAg ZXVkX3VzYl9vdXRwdXQ6IGVuZHBvaW50IHsKPiArICAgICAgICAgICAgICAgICAgICAgICAgCSAg ICByZW1vdGUtZW5kcG9pbnQgPSA8JmV1ZF91c2IzX2lucHV0PjsKPiArICAgICAgICAgICAgICAg ICAgICAgICAgfTsKPiArICAgICAgICAJICAgIH07Cj4gKyAgICAgICAgfTsKPiArCX07Cj4gKwo+ ICtBbiBleGFtcGxlIGZvciBFVUQgY2xpZW50Ogo+ICsKPiArCXVzYjMgewo+ICsJCXBvcnQgewo+ ICsgICAgICAgICAgICAgICAgZXVkX3VzYjNfaW5wdXQ6IGVuZHBvaW50IHsKPiArICAgICAgICAg ICAgICAgICAgICAgICAgcmVtb3RlLWVuZHBvaW50ID0gPCZldWRfdXNiX291dHB1dD47Cj4gKyAg ICAgICAgICAgICAgICB9Owo+ICsgICAgICAgIH07Cj4gKwl9Owo+IC0tIAo+IFRoZSBRdWFsY29t bSBJbm5vdmF0aW9uIENlbnRlciwgSW5jLiBpcyBhIG1lbWJlciBvZiB0aGUgQ29kZSBBdXJvcmEg Rm9ydW0sCj4gYSBMaW51eCBGb3VuZGF0aW9uIENvbGxhYm9yYXRpdmUgUHJvamVjdAo+Cg==