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X-IronPort-AV: E=Sophos;i="6.00,259,1681196400"; d="scan'208";a="231305443" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 21 Jun 2023 00:48:14 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Wed, 21 Jun 2023 00:48:14 -0700 Received: from [10.159.245.112] (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Wed, 21 Jun 2023 00:48:10 -0700 Message-ID: Date: Wed, 21 Jun 2023 09:47:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH 1/9] dt-bindings: mfd: Add bindings for SAM9X7 LCD controller Content-Language: en-US To: Manikandan M - I67131 , Conor Dooley , Krzysztof Kozlowski CC: "lee@kernel.org" , "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "conor+dt@kernel.org" , "alexandre.belloni@bootlin.com" , Claudiu Beznea - M18063 , "sam@ravnborg.org" , "bbrezillon@kernel.org" , "airlied@gmail.com" , "daniel@ffwll.ch" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , Hari Prasath G E - I63539 , Balamanikandan Gunasundar - I64410 , Durai Manickam KR - I66125 , Nayab basha Sayed - I73920 , Dharma B - I70843 , Varshini Rajendran - I67070 , "Balakrishnan S - I71840" References: <20230613070426.467389-1-manikandan.m@microchip.com> <20230613070426.467389-2-manikandan.m@microchip.com> <20230613-slider-coherent-d508d67afc91@spud> <423eef3c-54f0-5c88-9bc9-82c0198b6da6@microchip.com> <3a3f4463-981a-e8d8-8ec4-06f2abfa3b4d@microchip.com> From: Nicolas Ferre Organization: microchip In-Reply-To: <3a3f4463-981a-e8d8-8ec4-06f2abfa3b4d@microchip.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230621_004817_173133_ADE3ECB5 X-CRM114-Status: GOOD ( 15.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMTYvMDYvMjAyMyBhdCAwODo0NCwgTWFuaWthbmRhbiBNIC0gSTY3MTMxIHdyb3RlOgo+IE9u IDE0LzA2LzIzIDIwOjEwLCBOaWNvbGFzIEZlcnJlIHdyb3RlOgo+PiBPbiAxMy8wNi8yMDIzIGF0 IDIwOjIxLCBDb25vciBEb29sZXkgd3JvdGU6Cj4+PiBPbiBUdWUsIEp1biAxMywgMjAyMyBhdCAw ODoxNzoxM1BNICswMjAwLCBLcnp5c3p0b2YgS296bG93c2tpIHdyb3RlOgo+Pj4+IE9uIDEzLzA2 LzIwMjMgMDk6MDQsIE1hbmlrYW5kYW4gTXVyYWxpZGhhcmFuIHdyb3RlOgo+Pj4+PiBBZGQgbmV3 IGNvbXBhdGlibGUgc3RyaW5nIGZvciB0aGUgWExDRCBjb250cm9sbGVyIG9uIFNBTTlYNyBTb0Mu Cj4+Pj4+Cj4+Pj4+IFNpZ25lZC1vZmYtYnk6IE1hbmlrYW5kYW4gTXVyYWxpZGhhcmFuPG1hbmlr YW5kYW4ubUBtaWNyb2NoaXAuY29tPgo+Pj4+PiAtLS0KPj4+Pj4gIMKgIERvY3VtZW50YXRpb24v ZGV2aWNldHJlZS9iaW5kaW5ncy9tZmQvYXRtZWwtaGxjZGMudHh0IHwgMSArCj4+Pj4+ICDCoCAx IGZpbGUgY2hhbmdlZCwgMSBpbnNlcnRpb24oKykKPj4+Pj4KPj4+Pj4gZGlmZiAtLWdpdCBhL0Rv Y3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9tZmQvYXRtZWwtaGxjZGMudHh0Cj4+Pj4+ IGIvRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVlL2JpbmRpbmdzL21mZC9hdG1lbC1obGNkYy50eHQK Pj4+Pj4gaW5kZXggNWY4ODgwY2M3NTdlLi43Yzc3YjZiZjRhZGIgMTAwNjQ0Cj4+Pj4+IC0tLSBh L0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9tZmQvYXRtZWwtaGxjZGMudHh0Cj4+ Pj4+ICsrKyBiL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9tZmQvYXRtZWwtaGxj ZGMudHh0Cj4+Pj4+IEBAIC04LDYgKzgsNyBAQCBSZXF1aXJlZCBwcm9wZXJ0aWVzOgo+Pj4+PiAg wqDCoMKgwqAgImF0bWVsLHNhbWE1ZDMtaGxjZGMiCj4+Pj4+ICDCoMKgwqDCoCAiYXRtZWwsc2Ft YTVkNC1obGNkYyIKPj4+Pj4gIMKgwqDCoMKgICJtaWNyb2NoaXAsc2FtOXg2MC1obGNkYyIKPj4+ Pj4gK8KgwqAgIm1pY3JvY2hpcCxzYW05eDcteGxjZGMiCj4+Pj4gR29vZ2xlIHNheXMgc2FtOXg3 IGlzIGEgc2VyaWVzLCBub3QgYSBTb0MuIFBsZWFzZSBhZGQgY29tcGF0aWJsZXMgZm9yCj4+Pj4g c3BlY2lmaWMgU29Dcywgbm90IGZvciBzZXJpZXMuCj4+PiBXZSBoYWQgdGhpcyBvbmUgYSBmZXcg d2Vla3MgYWdvLCBzZWUKPj4+IGh0dHBzOi8vbG9yZS5rZXJuZWwub3JnL2FsbC9hZGQ1ZTQ5ZS04 NDE2LWJhOWYtODE5YS1kYTk0NDkzOGMwNWZAbWljcm9jaGlwLmNvbS8KPj4+IGFuZCBpdHMgcGFy ZW50cy4gT3V0Y29tZSBvZiB0aGF0IHNlZW1lZCB0byBiZSB0aGF0IHVzaW5nICJzYW05eDciIHdh cwo+Pj4gZmluZS4KPj4KPj4gQW5kIGl0J3Mgd2hlcmUgaXQgYmVnaW5zIHRvIGJlIGZ1bm55LCBh cyB0aGUgTENEIGlzIHByZWNpc2VseSBvbmUgYXNwZWN0Cj4+IHdoZXJlIHdlIGRpZmZlcmVudGlh dGUgYmV0d2VlbiBzYW05eDc1LCBzYW05eDcyIGFuZCBzYW05eDcwLi4uCj4+IFNvIHBsZWFzZSBN YW5pa2FuZGFuIHNvcnQgdGhpcyBvdXQgaWYgZGlmZmVyZW5jZSBiZXR3ZWVuIHRoZXNlIGNoaXBz Cj4+IHdpbGwgYmUgYmV0dGVyIGhhbmRsZWQgd2l0aCBkaWZmZXJlbnQgY29tcGF0aWJpbGl0eSBz dHJpbmcsIGluCj4+IHBhcnRpY3VsYXIgYWJvdXQgLy8sIExWRFMgYW5kIE1JUEktRFNJIHZhcmlh bnRzIQo+IFllcyBTdXJlLCBJIHdpbGwgcmVwbGFjZSB0aGUgY29tcGF0aWJsZSBhcyBzL3NhbTl4 Ny9zYW05eDc1L2cgdG8gaGFuZGxlCj4gdGhlIGRpZmZlcmVudCB2YXJpYW50cyBvZiBzYW05eDcg YmV0dGVyLgoKTW92aW5nIHRvIHNhbTl4NzUgaXMgcHJvYmFibHkgZ29vZC4gQnV0IHdoYXQgaXMg eW91ciBwbGFuIGZvciAKZGlmZmVyZW50aWF0aW5nIHBhcmFsbGVsIGFuZCBMVkRTIChvbiBzYW05 eDcyKSBhbmQgcHJlY2lzZWx5IHRoaXMgCnNhbTl4NzUgdmFyaWFudCB3aGljaCBpbiBhZGRpdGlv biBoYXMgTUlQSS1EU0k/CgpSZWdhcmRzLAogIE5pY29sYXMKCgotLSAKTmljb2xhcyBGZXJyZQoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFy bS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9y ZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1r ZXJuZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BA06EB64D7 for ; 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X-IronPort-AV: E=Sophos;i="6.00,259,1681196400"; d="scan'208";a="231305443" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 21 Jun 2023 00:48:14 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Wed, 21 Jun 2023 00:48:14 -0700 Received: from [10.159.245.112] (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Wed, 21 Jun 2023 00:48:10 -0700 Message-ID: Date: Wed, 21 Jun 2023 09:47:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH 1/9] dt-bindings: mfd: Add bindings for SAM9X7 LCD controller Content-Language: en-US To: Manikandan M - I67131 , Conor Dooley , Krzysztof Kozlowski CC: "lee@kernel.org" , "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "conor+dt@kernel.org" , "alexandre.belloni@bootlin.com" , Claudiu Beznea - M18063 , "sam@ravnborg.org" , "bbrezillon@kernel.org" , "airlied@gmail.com" , "daniel@ffwll.ch" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , Hari Prasath G E - I63539 , Balamanikandan Gunasundar - I64410 , Durai Manickam KR - I66125 , Nayab basha Sayed - I73920 , Dharma B - I70843 , Varshini Rajendran - I67070 , "Balakrishnan S - I71840" References: <20230613070426.467389-1-manikandan.m@microchip.com> <20230613070426.467389-2-manikandan.m@microchip.com> <20230613-slider-coherent-d508d67afc91@spud> <423eef3c-54f0-5c88-9bc9-82c0198b6da6@microchip.com> <3a3f4463-981a-e8d8-8ec4-06f2abfa3b4d@microchip.com> From: Nicolas Ferre Organization: microchip In-Reply-To: <3a3f4463-981a-e8d8-8ec4-06f2abfa3b4d@microchip.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 16/06/2023 at 08:44, Manikandan M - I67131 wrote: > On 14/06/23 20:10, Nicolas Ferre wrote: >> On 13/06/2023 at 20:21, Conor Dooley wrote: >>> On Tue, Jun 13, 2023 at 08:17:13PM +0200, Krzysztof Kozlowski wrote: >>>> On 13/06/2023 09:04, Manikandan Muralidharan wrote: >>>>> Add new compatible string for the XLCD controller on SAM9X7 SoC. >>>>> >>>>> Signed-off-by: Manikandan Muralidharan >>>>> --- >>>>>   Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt | 1 + >>>>>   1 file changed, 1 insertion(+) >>>>> >>>>> diff --git a/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt >>>>> b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt >>>>> index 5f8880cc757e..7c77b6bf4adb 100644 >>>>> --- a/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt >>>>> +++ b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt >>>>> @@ -8,6 +8,7 @@ Required properties: >>>>>      "atmel,sama5d3-hlcdc" >>>>>      "atmel,sama5d4-hlcdc" >>>>>      "microchip,sam9x60-hlcdc" >>>>> +   "microchip,sam9x7-xlcdc" >>>> Google says sam9x7 is a series, not a SoC. Please add compatibles for >>>> specific SoCs, not for series. >>> We had this one a few weeks ago, see >>> https://lore.kernel.org/all/add5e49e-8416-ba9f-819a-da944938c05f@microchip.com/ >>> and its parents. Outcome of that seemed to be that using "sam9x7" was >>> fine. >> >> And it's where it begins to be funny, as the LCD is precisely one aspect >> where we differentiate between sam9x75, sam9x72 and sam9x70... >> So please Manikandan sort this out if difference between these chips >> will be better handled with different compatibility string, in >> particular about //, LVDS and MIPI-DSI variants! > Yes Sure, I will replace the compatible as s/sam9x7/sam9x75/g to handle > the different variants of sam9x7 better. Moving to sam9x75 is probably good. But what is your plan for differentiating parallel and LVDS (on sam9x72) and precisely this sam9x75 variant which in addition has MIPI-DSI? Regards, Nicolas -- Nicolas Ferre From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 71B2CEB64DC for ; Wed, 21 Jun 2023 07:55:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7568D10E0C3; Wed, 21 Jun 2023 07:55:25 +0000 (UTC) X-Greylist: delayed 427 seconds by postgrey-1.36 at gabe; Wed, 21 Jun 2023 07:55:24 UTC Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3248210E0C3 for ; Wed, 21 Jun 2023 07:55:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1687334123; x=1718870123; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=4elCiOXAO/1skXbd8OBCX9scHIUqUf+kd1BiTdR6iKw=; b=fygsYtf54uhYf6VtbBmyFHrzH/apEkoE8OPWTDWAfQKjpmdZ/Lv2KE/A oKaj40kXNqQA6uMl4X2anDXRSCRp1+TbqNxASYTKQbcz2mf2U+sf1FJIt l91MPUWuxsQXj+83qk5qXnCpcR981N+uzAtP91hargUUWafXsaddOkMmW 0d43eihJI8JERqNv/4u06q3SkMXODtij+X44vPlXpK2okLHkioYpaEb+W jO74r8T1wv3MJgfmvwcp9ILZ1hQ4xv9y4EjJ1zgQkTA52Mja0TjlGfml3 GiHbi8xD1Tlc8M+lV/AtJkRJIj4rwbgn0SxMcx4TrkYhv9DpOZeiLfyQG Q==; X-IronPort-AV: E=Sophos;i="6.00,259,1681196400"; d="scan'208";a="231305443" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 21 Jun 2023 00:48:14 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Wed, 21 Jun 2023 00:48:14 -0700 Received: from [10.159.245.112] (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Wed, 21 Jun 2023 00:48:10 -0700 Message-ID: Date: Wed, 21 Jun 2023 09:47:47 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH 1/9] dt-bindings: mfd: Add bindings for SAM9X7 LCD controller Content-Language: en-US To: Manikandan M - I67131 , Conor Dooley , Krzysztof Kozlowski References: <20230613070426.467389-1-manikandan.m@microchip.com> <20230613070426.467389-2-manikandan.m@microchip.com> <20230613-slider-coherent-d508d67afc91@spud> <423eef3c-54f0-5c88-9bc9-82c0198b6da6@microchip.com> <3a3f4463-981a-e8d8-8ec4-06f2abfa3b4d@microchip.com> From: Nicolas Ferre Organization: microchip In-Reply-To: <3a3f4463-981a-e8d8-8ec4-06f2abfa3b4d@microchip.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nayab basha Sayed - I73920 , "devicetree@vger.kernel.org" , "alexandre.belloni@bootlin.com" , "bbrezillon@kernel.org" , Balamanikandan Gunasundar - I64410 , "lee@kernel.org" , "conor+dt@kernel.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , Varshini Rajendran - I67070 , Dharma B - I70843 , "robh+dt@kernel.org" , Durai Manickam KR - I66125 , "krzysztof.kozlowski+dt@linaro.org" , Hari Prasath G E - I63539 , Balakrishnan S - I71840 , "sam@ravnborg.org" , Claudiu Beznea - M18063 , "linux-arm-kernel@lists.infradead.org" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 16/06/2023 at 08:44, Manikandan M - I67131 wrote: > On 14/06/23 20:10, Nicolas Ferre wrote: >> On 13/06/2023 at 20:21, Conor Dooley wrote: >>> On Tue, Jun 13, 2023 at 08:17:13PM +0200, Krzysztof Kozlowski wrote: >>>> On 13/06/2023 09:04, Manikandan Muralidharan wrote: >>>>> Add new compatible string for the XLCD controller on SAM9X7 SoC. >>>>> >>>>> Signed-off-by: Manikandan Muralidharan >>>>> --- >>>>>   Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt | 1 + >>>>>   1 file changed, 1 insertion(+) >>>>> >>>>> diff --git a/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt >>>>> b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt >>>>> index 5f8880cc757e..7c77b6bf4adb 100644 >>>>> --- a/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt >>>>> +++ b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt >>>>> @@ -8,6 +8,7 @@ Required properties: >>>>>      "atmel,sama5d3-hlcdc" >>>>>      "atmel,sama5d4-hlcdc" >>>>>      "microchip,sam9x60-hlcdc" >>>>> +   "microchip,sam9x7-xlcdc" >>>> Google says sam9x7 is a series, not a SoC. Please add compatibles for >>>> specific SoCs, not for series. >>> We had this one a few weeks ago, see >>> https://lore.kernel.org/all/add5e49e-8416-ba9f-819a-da944938c05f@microchip.com/ >>> and its parents. Outcome of that seemed to be that using "sam9x7" was >>> fine. >> >> And it's where it begins to be funny, as the LCD is precisely one aspect >> where we differentiate between sam9x75, sam9x72 and sam9x70... >> So please Manikandan sort this out if difference between these chips >> will be better handled with different compatibility string, in >> particular about //, LVDS and MIPI-DSI variants! > Yes Sure, I will replace the compatible as s/sam9x7/sam9x75/g to handle > the different variants of sam9x7 better. Moving to sam9x75 is probably good. But what is your plan for differentiating parallel and LVDS (on sam9x72) and precisely this sam9x75 variant which in addition has MIPI-DSI? Regards, Nicolas -- Nicolas Ferre