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Mon, 6 Jul 2026 09:29:11 +0000 (GMT) From: "Alim Akhtar" To: "'Ivaylo Ivanov'" , , , , , Cc: , , , , In-Reply-To: Subject: RE: [PATCH v3 1/6] dt-binding: ARM: samsung: Add Samsung Exynos8855 Date: Mon, 6 Jul 2026 14:59:09 +0530 Message-ID: <0a0101dd0d29$e8d50e00$ba7f2a00$@samsung.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQIex+rgVwEhIQu0sswQMAVV+431vwFQlI8kAbGHTCcCTSL4ewKR0wgKAm/gYqC1iizCYA== Content-Language: en-us X-CMS-MailID: 20260706092914epcas5p3c6fc7bffadde0ddf98eb47901ad2c054 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" CMS-TYPE: 105P cpgsPolicy: CPGSC10-543,Y X-CFilter-Loop: Reflected X-CMS-RootMailID: 20260627165406epcas5p1be75af2010edfc57cad0f668a8e3568d References: <20260627171228.2687857-1-alim.akhtar@samsung.com> <20260627171228.2687857-2-alim.akhtar@samsung.com> <4df9f388-2dc7-47b6-afc0-7a0cc6d15ca3@gmail.com> <08ba01dd0cf9$cbe0a4b0$63a1ee10$@samsung.com> > -----Original Message----- > From: Ivaylo Ivanov > Sent: Monday, July 6, 2026 1:27 PM > To: Alim Akhtar ; krzk=40kernel.org; > peter.griffin=40linaro.org; robh=40kernel.org; conor+dt=40kernel.org; > linusw=40kernel.org > Cc: linux-samsung-soc=40vger.kernel.org; linux-kernel=40vger.kernel.org; > devicetree=40vger.kernel.org; linux-gpio=40vger.kernel.org; > hajun.sung=40samsung.com > Subject: Re: =5BPATCH v3 1/6=5D dt-binding: ARM: samsung: Add Samsung > Exynos8855 >=20 > On 7/6/26 6:44 AM, Alim Akhtar wrote: > > Hi Ivaylo, > > Thanks for your review. >=20 > No problem :D >=20 > > > >> -----Original Message----- > >> From: Ivaylo Ivanov > >> Sent: Monday, July 6, 2026 4:11 AM > >> To: Alim Akhtar ; krzk=40kernel.org; > >> peter.griffin=40linaro.org; robh=40kernel.org; conor+dt=40kernel.org; > >> linusw=40kernel.org > >> Cc: linux-samsung-soc=40vger.kernel.org; linux-kernel=40vger.kernel.or= g; > >> devicetree=40vger.kernel.org; linux-gpio=40vger.kernel.org; > >> hajun.sung=40samsung.com > >> Subject: Re: =5BPATCH v3 1/6=5D dt-binding: ARM: samsung: Add Samsung > >> Exynos8855 > >> > >> On 6/27/26 20:12, Alim Akhtar wrote: > >>> Add Samsung Exynos8855 smdk board to documentation > >>> > >>> Signed-off-by: Alim Akhtar > >>> --- > >>> .../devicetree/bindings/arm/samsung/samsung-boards.yaml =7C 6 ++= ++++ > >>> 1 file changed, 6 insertions(+) > >>> > >>> diff --git > >>> a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml > >>> b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml > >>> index 753b3ba1b607..273464400477 100644 > >>> --- > >>> a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.yaml > >>> +++ b/Documentation/devicetree/bindings/arm/samsung/samsung- > >> boards.yam > >>> +++ l > >>> =40=40 -235,6 +235,12 =40=40 properties: > >>> - winlink,e850-96 =23 WinLink E850-96 > >>> - const: samsung,exynos850 > >>> > >>> + - description: Exynos8855 based boards > >>> + items: > >>> + - enum: > >>> + - samsung,exynos8855-smdk =23 Samsung SMDK > >>> + - const: samsung,exynos8855 > >> > >> Is there any particular reason for using =22exynos8855=22 rather than = the > >> commercial name - exynos1580? We've already established using the > >> latter naming scheme as a convention (e.g. exynos3830 -> exynos850, > >> exynos9830 -> > >> exynos990) rather than the development model numbers, so I don't > >> think breaking that will help anyone with the already painful model nu= mber > confusion. > >> > > The reason for using Exynos8855 is that it comes from the chip-id regis= ter, > which is RO register. > > And in my opinion it has to be chip-id, maintaining two names is confus= ing (as > you also mentioned). >=20 > I see your point but I'm not sure whether exynos-based platforms like ten= sors > will follow this. Afaik GS101's development name is e9845. So there likel= y will > still be some deviation. >=20 Hmm...I would say, those are custom SoCs (of course based on Exynos as base= platform) and they don=E2=80=99t=20carry=20=22Exynos=22=0D=0Ain=20their=20= nomenclature,=20like=20GS101,=20or=20Artpec=20and=20many=20more...=20=0D=0A= However=20Exynos8855=20and=20other=20SoCs=20in=20this=20family=20are=20nati= ve=20Exynos=20SoCs.=0D=0ASo=20for=20Exynos=20SoCs=20(exception=20850,=20990= ),=20let's=20have=20chip-id=20based=20nomenclature=20as=20a=20standard,=20t= hat's=20what=20I=20am=20thinking,=20it=20is=20easy=20to=20maintain=20that= =20way.=20=0D=0A=0D=0A>=20It's=20not=20really=20a=20fatal=20thing,=20just= =20a=20nit=20imo=20because=20all=20bindings=20will=20have=20to=20follow=0D= =0A>=20that=20for=20the=20upstreamed=20SoC,=20so=20non-revertable.=20But=20= if=20maintainers=20are=20okay=20with=0D=0A>=20this,=20I'm=20happy=20to=20st= art=20using=20chip-id=20names=20for=20future=20contributions=20too.=0D=0A>= =20=0D=0AThank=20you,=20Looking=20forward=20for=20more=20contributions,=20n= o=20need=20to=20revert=20what=20is=20merged=20already.=20=0D=0A=0D=0A>=20Be= st=20regards,=0D=0A>=20Ivaylo=0D=0A>=20=0D=0A>=20>=20Yes,=20there=20were=20= couple=20of=20deviation=20but=20let's=20come=20back=20to=20the=20=22origina= l=22=0D=0A>=20convention=20(which=20is=20to=20use=20chip-id).=0D=0A>=20>=0D= =0A>=20>=20=40=20Krzysztof,=20Peter=0D=0A>=20>=20Any=20input=20on=20this?= =0D=0A>=20>=0D=0A>=20>>=20Best=20regards,=0D=0A>=20>>=20Ivaylo=0D=0A>=20>>= =0D=0A>=20>>>=20+=0D=0A>=20>>>=20=20=20=20=20=20=20=20-=20description:=20Ex= ynos8895=20based=20boards=0D=0A>=20>>>=20=20=20=20=20=20=20=20=20=20items:= =0D=0A>=20>>>=20=20=20=20=20=20=20=20=20=20=20=20-=20enum:=0D=0A>=20>=0D=0A= >=20>=0D=0A=0D=0A=0D=0A