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Thu, 12 Apr 2018 10:11:00 -0400 Received: from mx08-00252a01.pphosted.com ([91.207.212.211]:41240 "EHLO mx08-00252a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753068AbeDLOK5 (ORCPT ); Thu, 12 Apr 2018 10:10:57 -0400 X-Google-Smtp-Source: AIpwx49YSg2ywniQ2veaDJ6P5iiX6+oAx4aDetle04Vd4OxiJzAsqVvvfcBnFkVMuQrLgStYUj1Kow== Subject: Re: [PATCH 4/4] dt-bindings: Document the DT bindings for lan78xx To: Andrew Lunn Cc: Woojung Huh , Microchip Linux Driver Support , Rob Herring , Mark Rutland , "David S. Miller" , Mauro Carvalho Chehab , Greg Kroah-Hartman , Linus Walleij , Andrew Morton , Randy Dunlap , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org References: <1523541336-145953-1-git-send-email-phil@raspberrypi.org> <1523541336-145953-5-git-send-email-phil@raspberrypi.org> <20180412140409.GK28963@lunn.ch> From: Phil Elwell Message-ID: <0bcc10cd-2a25-311f-d006-ddefe47567dc@raspberrypi.org> Date: Thu, 12 Apr 2018 15:10:57 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20180412140409.GK28963@lunn.ch> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-04-12_07:,, signatures=0 Sender: linux-usb-owner@vger.kernel.org X-Mailing-List: linux-usb@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: Hi Andrew, On 12/04/2018 15:04, Andrew Lunn wrote: > On Thu, Apr 12, 2018 at 02:55:36PM +0100, Phil Elwell wrote: >> The Microchip LAN78XX family of devices are Ethernet controllers with >> a USB interface. Despite being discoverable devices it can be useful to >> be able to configure them from Device Tree, particularly in low-cost >> applications without an EEPROM or programmed OTP. >> >> Document the supported properties in a bindings file, adding it to >> MAINTAINERS at the same time. > > Hi Phil > > How you link an OF node to a USB device is not obvious. Could you > please include either a pointer to some binding documentation, or make > your example show it. Thanks for the feedback. Would you consider this (lifted from the Pi 3B+ Device Tree) a sufficient example? &usb { usb1@1 { compatible = "usb424,2514"; reg = <1>; #address-cells = <1>; #size-cells = <0>; usb1_1@1 { compatible = "usb424,2514"; reg = <1>; #address-cells = <1>; #size-cells = <0>; ethernet: usbether@1 { compatible = "usb424,7800"; reg = <1>; microchip,eee-enabled; microchip,tx-lpi-timer = <600>; /* non-aggressive*/ /* * led0 = 1:link1000/activity * led1 = 6:link10/100/activity */ microchip,led-modes = <1 6>; }; }; }; }; Phil 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: [4/4] dt-bindings: Document the DT bindings for lan78xx From: Phil Elwell Message-Id: <0bcc10cd-2a25-311f-d006-ddefe47567dc@raspberrypi.org> Date: Thu, 12 Apr 2018 15:10:57 +0100 To: Andrew Lunn Cc: Woojung Huh , Microchip Linux Driver Support , Rob Herring , Mark Rutland , "David S. Miller" , Mauro Carvalho Chehab , Greg Kroah-Hartman , Linus Walleij , Andrew Morton , Randy Dunlap , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org List-ID: SGkgQW5kcmV3LAoKT24gMTIvMDQvMjAxOCAxNTowNCwgQW5kcmV3IEx1bm4gd3JvdGU6Cj4gT24g VGh1LCBBcHIgMTIsIDIwMTggYXQgMDI6NTU6MzZQTSArMDEwMCwgUGhpbCBFbHdlbGwgd3JvdGU6 Cj4+IFRoZSBNaWNyb2NoaXAgTEFONzhYWCBmYW1pbHkgb2YgZGV2aWNlcyBhcmUgRXRoZXJuZXQg Y29udHJvbGxlcnMgd2l0aAo+PiBhIFVTQiBpbnRlcmZhY2UuIERlc3BpdGUgYmVpbmcgZGlzY292 ZXJhYmxlIGRldmljZXMgaXQgY2FuIGJlIHVzZWZ1bCB0bwo+PiBiZSBhYmxlIHRvIGNvbmZpZ3Vy ZSB0aGVtIGZyb20gRGV2aWNlIFRyZWUsIHBhcnRpY3VsYXJseSBpbiBsb3ctY29zdAo+PiBhcHBs aWNhdGlvbnMgd2l0aG91dCBhbiBFRVBST00gb3IgcHJvZ3JhbW1lZCBPVFAuCj4+Cj4+IERvY3Vt ZW50IHRoZSBzdXBwb3J0ZWQgcHJvcGVydGllcyBpbiBhIGJpbmRpbmdzIGZpbGUsIGFkZGluZyBp dCB0bwo+PiBNQUlOVEFJTkVSUyBhdCB0aGUgc2FtZSB0aW1lLgo+IAo+IEhpIFBoaWwKPiAKPiBI b3cgeW91IGxpbmsgYW4gT0Ygbm9kZSB0byBhIFVTQiBkZXZpY2UgaXMgbm90IG9idmlvdXMuIENv dWxkIHlvdQo+IHBsZWFzZSBpbmNsdWRlIGVpdGhlciBhIHBvaW50ZXIgdG8gc29tZSBiaW5kaW5n IGRvY3VtZW50YXRpb24sIG9yIG1ha2UKPiB5b3VyIGV4YW1wbGUgc2hvdyBpdC4KClRoYW5rcyBm b3IgdGhlIGZlZWRiYWNrLiBXb3VsZCB5b3UgY29uc2lkZXIgdGhpcyAobGlmdGVkIGZyb20gdGhl IFBpIDNCKyBEZXZpY2UgVHJlZSkKYSBzdWZmaWNpZW50IGV4YW1wbGU/CgomdXNiIHsKCXVzYjFA MSB7CgkJY29tcGF0aWJsZSA9ICJ1c2I0MjQsMjUxNCI7CgkJcmVnID0gPDE+OwoJCSNhZGRyZXNz LWNlbGxzID0gPDE+OwoJCSNzaXplLWNlbGxzID0gPDA+OwoKCQl1c2IxXzFAMSB7CgkJCWNvbXBh dGlibGUgPSAidXNiNDI0LDI1MTQiOwoJCQlyZWcgPSA8MT47CgkJCSNhZGRyZXNzLWNlbGxzID0g PDE+OwoJCQkjc2l6ZS1jZWxscyA9IDwwPjsKCgkJCWV0aGVybmV0OiB1c2JldGhlckAxIHsKCQkJ CWNvbXBhdGlibGUgPSAidXNiNDI0LDc4MDAiOwoJCQkJcmVnID0gPDE+OwoJCQkJbWljcm9jaGlw LGVlZS1lbmFibGVkOwoJCQkJbWljcm9jaGlwLHR4LWxwaS10aW1lciA9IDw2MDA+OyAvKiBub24t YWdncmVzc2l2ZSovCgkJCQkvKgoJCQkJICogbGVkMCA9IDE6bGluazEwMDAvYWN0aXZpdHkKCQkJ CSAqIGxlZDEgPSA2OmxpbmsxMC8xMDAvYWN0aXZpdHkKCQkJCSAqLwoJCQkJbWljcm9jaGlwLGxl ZC1tb2RlcyA9IDwxIDY+OwoJCQl9OwoJCX07Cgl9Owp9OwoKUGhpbAotLS0KVG8gdW5zdWJzY3Jp YmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4LXVzYiIg aW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9y ZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5m by5odG1sCg==