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: [v12,1/2] i2c: buses: add i2c bus driver for NVIDIA GPU From: Heikki Krogerus Message-Id: <20180913111126.GB19329@kuha.fi.intel.com> Date: Thu, 13 Sep 2018 14:11:26 +0300 To: Ajay Gupta , Peter Rosin Cc: "wsa@the-dreams.de" , "linux-usb@vger.kernel.org" , "linux-i2c@vger.kernel.org" List-ID: SGksCgpPbiBUaHUsIFNlcCAxMywgMjAxOCBhdCAwOTozNjo1OEFNICswMjAwLCBQZXRlciBSb3Np biB3cm90ZToKPiBPbiAyMDE4LTA5LTEzIDAwOjIyLCBBamF5IEd1cHRhIHdyb3RlOgo+ID4gSGkg UGV0ZXIsCj4gPiBDYW4gd2UgZ2V0IHRoZSB3b3JraW5nIHNldCBpbiB3aGlsZSB0aGUgaXNzdWVz IGlzIGJlaW5nIGRlYnVnZ2VkPwo+IAo+IEknbSBub3QgdGhlIG9uZSBtYWtpbmcgdGhlIGRlY2lz aW9uLCBhbmQgSSBkb24ndCBldmVuIGtub3cgaWYgdGhpcwo+IGlzIGdvaW5nIHRocm91Z2ggdGhl IGkyYyBvciB0aGUgdXNiIHRyZWU/IElmIGl0J3MgZ29pbmcgdGhyb3VnaCB0aGUKPiBpMmMgdHJl ZSB5b3UgbmVlZCBhIHRhZyBmcm9tIHRoZSB1c2IgcGVvcGxlIChHcmVnPykgb24gcGF0Y2ggMi8y LAo+IGFuZCBpZiBpdCdzIGdvaW5nIHRocm91Z2ggdGhlIHVzYiB0cmVlLCB5b3UgbmVlZCBhIHRh ZyBmcm9tIFdvbGZyYW0KPiBvbiBwYXRjaCAxLzIuIEFzIEkgc2FpZCwgSSdtIG5vdCBpbnZvbHZl ZCB3aXRoIHRoYXQgcGFydCwgSSdtIGp1c3QKPiByZXZpZXdpbmcgdGhlc2UgcGF0Y2hlcyBiZWNh dXNlIEkgZmVsdCBsaWtlIGl0Lgo+IAo+IFRoZSByZW1haW5pbmcgaXNzdWUgdGhhdCBib3RoZXJz IG1lIGlzIHRoZSBsb29waW5nIHJlYWRzLCBhbmQgeW91cgo+IGVtYWlsIGFkZHJlc3MgcmV2ZWFs cyB0aGF0IHlvdSBzaG91bGQgYmUgaW4gYSB2ZXJ5IGdvb2QgcG9zaXRpb24gdG8KPiB3b3JrIG91 dCB3aHkgdGhleSBkbyBub3Qgd29yaywgYW5kIGZpeCBpdCBvciBsZXQgdXMga25vdyB3aHkgdGhl eQo+IGRvbid0LiBIb3dldmVyLCB5b3VyIHJlc3BvbnNlcyBpbmRpY2F0ZSB0aGF0IHlvdSBoYXZl IGdpdmVuIHVwLiBUaGF0Cj4gY291cGxlZCB3aXRoIHRoZSBmYWN0IHRoYXQgdGhlIGRhdGFzaGVl dCBpcyBub3QgcHVibGljbHkgYXZhaWxhYmxlCj4gKGJ1dCB3aHksIHNlZW1zIGEgbGl0dGxlIG92 ZXItcHJvdGVjdGl2ZSB0byB0aGluayB0aGUgaW50ZXJmYWNlIHRvIGFuCj4gaTJjIGNvbnRyb2xs ZXIgaXMgd29ydGggYWxsIHRoYXQgbXVjaCkgbWFrZXMgbWUgdGhpbmsgdGhhdCBwZXJoYXBzCj4g dGhpcyBsaXR0bGUgZGV0YWlsIG1pZ2h0IG5ldmVyIGJlIGZpeGVkIGlmIGl0J3Mgbm90IGZpeGVk IG5vdy4gT25jZQo+IG1lcmdlZCwgdGhlcmUgaXMgbm8gcHJlc3N1cmUgb24geW91IHRvIGFjdHVh bGx5IGRvIGFueXRoaW5nIGFib3V0IGl0LAo+IGFuZCBvdGhlcnMgYXJlIHN0dWNrIGluIGRhcmtu ZXNzIHdpdGhvdXQgYSBzcGVjLgoKSSBnb3Qgc2ltaWxhciBpbXByZXNzaW9uLiBBamF5LCB5b3Ug aGF2ZSByZWFsbHkgbWFkZSBpdCBsb29rIGxpa2UgeW91Cmp1c3Qgd2FudCB0byBkdW1wIHRoZSBj b2RlIGV2ZW4gdGhvdWdoIGl0IHN0aWxsIGhhcyBwcm9ibGVtcywgdGhlbgpsaWZ0IHlvdXIgYXJt cyBhbmQgbmV2ZXIgbG9vayBiYWNrLiBJJ20gc3VyZSB0aGF0IGlzIG5vdCB0aGUgY2FzZSwgYnV0 CnRoZSBmYWN0IHRoYXQgeW91IGFyZSBjb250aW51b3VzbHkgbWFraW5nIHBsZWFzLCBhc2tpbmcg dXMgdG8ganVzdAphY2NlcHQgdGhlIGNvZGUgZXZlbiB0aG91Z2ggaXQgaXMgbm90IHJlYWR5LCBk b2VzIGdpdmUgdGhhdAppbXByZXNzaW9uLgoKSSBjYW4gYXBwcmVjaWF0ZSB0aGF0IHlvdSBhcmUg aW4gYSBodXJyeSwgYW5kIEkga25vdyB5b3UgaGF2ZSBhIGxvdApvZiBvdGhlciB0YXNrcyB0aGF0 IGFsc28gbmVlZCB5b3VyIGF0dGVudGlvbiwganVzdCBsaWtlIGV2ZXJ5Ym9keSwgYnV0CkknbSBh c2tpbmcgeW91IHRvIHRha2UgYSBkZWVwIGJyZWF0aCwgYW5kIHRha2Ugb25lIG1vcmUgbG9vayBh dCB0aGVzZQp0d28gZHJpdmVycy4gR28gb3ZlciB0aGUgY29kZSBhcyBhIHdob2xlIGluc3RlYWQg b2YgdHJ5aW5nIHRvIGZpeCB0aGUKcHJvYmxlbXMgYXMgZmFzdCBhcyBwb3NzaWJsZSAoeW91J3Zl IHNlbnQgYSBuZXcgdmVyc2lvbiBhbG1vc3QgZGFpbHkpLgpJJ20gY2VydGFpbiB5b3UgY2FuIGZp Z3VyZSBvdXQgaG93IHRvIGZpeCB0aGF0IGxhc3QgaXNzdWUuIFlvdSBhcmUKYWxtb3N0IHRoZXJl LgoKQW5kIHdoZW4geW91IGFyZSByZWFkeSwgcGxlYXNlIGluY2x1ZGUgYSBjb3ZlciBsZXR0ZXIg aW4geW91ciBuZXh0CnZlcnNpb24gYW5kIHByb3ZpZGUgc29tZSBiYWNrZ3JvdW5kIGZvciB0aGVz ZSBwYXRjaGVzIGlmIHlvdSBjYW4uCklkZWFsbHkgeW91IGNvdWxkIHRlbGwgc29tZXRoaW5nIGFi b3V0IHRoZSBwbGF0Zm9ybSB0aGF0IGhhcyB0aGF0IHRoZQpQRCBjb250cm9sbGVyIGFuZCB0aGUg STJDIGhvc3QuIFRoZXJlIHlvdSBjYW4gYWxzbyBtZW50aW9uIHdoaWNoIHRyZWUKeW91IHRoaW5r IHRoZXNlIHBhdGNoZXMgc2hvdWxkIGdvIHRocm91Z2gsIHVzYiBvciBpMmMuIEknbSBndWVzc2lu Zwp1c2IgYmFzZWQgb24gdGhlIGZhY3QgdGhhdCB0aGUgSTJDIGhvc3QgY29udHJvbGxlciBkcml2 ZXIgc2VlbXMgdG8gYmUKdGhlcmUganVzdCBmb3IgdGhlIFVTQiBQRCBjb250cm9sbGVyLCBhdCBs ZWFzdCBmb3Igbm93LgoKClRoYW5rcywK