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Nikolaus Schaller" In-Reply-To: <08B861A8-D4C2-48A6-9B05-B8CA43312834@goldelico.com> Date: Fri, 15 May 2020 09:18:33 +0200 Message-Id: References: <3a451e360fed84bc40287678b4d6be13821cfbc0.1587760454.git.hns@goldelico.com> <28138EC0-0FA5-4F97-B528-3442BF087C7A@goldelico.com> <3D8B59D6-83E3-4FE6-9C99-E2E5616A8139@goldelico.com> <8EER9Q.C206SXNSICP7@crapouillou.net> <08B861A8-D4C2-48A6-9B05-B8CA43312834@goldelico.com> To: Paul Cercueil , Paul Burton X-Mailer: Apple Mail (2.3124) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200515_001857_053468_41ED2FAE X-CRM114-Status: GOOD ( 11.83 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , David Airlie , James Hogan , Jonathan Bakker , "open list:DRM PANEL DRIVERS" , linux-mips@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Discussions about the Letux Kernel , Krzysztof Kozlowski , Tony Lindgren , Chen-Yu Tsai , Kukjin Kim , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , =?iso-8859-1?Q?Beno=EEt_Cousson?= , Maxime Ripard , Rob Herring , linux-omap , arm-soc , Thomas Bogendoerfer , Philipp Rossak , OpenPVRSGX Linux Driver Group , Linux Kernel Mailing List , Ralf Baechle , Daniel Vetter , kernel@pyra-handheld.com Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Paul & Paul, > Am 03.05.2020 um 18:41 schrieb H. Nikolaus Schaller : > = > Hi Paul and Paul, > = >> Am 03.05.2020 um 16:18 schrieb Paul Cercueil : >> = >> = >> = >> Le dim. 3 mai 2020 =E0 15:31, H. Nikolaus Schaller a= =E9crit : >>> Hi Paul, >>>> Am 03.05.2020 um 14:52 schrieb Paul Cercueil : >>>>>> It's possible to forbid the presence of the 'clocks' property on som= e implementations, and require it on others. >>>>> To be precise we have to specify the exact number of clocks (between = 0 and 4) for every architecture. >>>>> This also contradicts my dream to get rid of the architecture specifi= c components in the long run. My dream (because I can't tell how it can be = done) is that we can one day develop something which just needs compatible = =3D img,530 or imp,540 or img,544. Then we can't make the number clocks dep= end on the implementation any more. >>>> As we said before, the number of clocks is a property of the GPU and *= not* its integration into the SoC. >>> Well, it is a not very well documented property of the GPU. We have no = data sheet of the standalone GPU. Only several SoC data sheets which give s= ome indications. >> = >> Maybe we can nicely ask them? > = > There is some (old) answer here: > = > https://github.com/MIPS/CI20_linux/blob/ci20-v3.18/arch/mips/boot/dts/jz4= 780.dtsi#L63 > = >> I expect Paul Burton to have some contacts at ImgTec. Asking for a doc w= ould be too much, but maybe they can help a bit with the DT bindings. > = > Good idea! It is definitively worth to try. Therefore I have moved him fr= om CC: to To: Do we already have an idea if we can get into contact and get help from Img= Tec for this topic or if we have to live with what we have? BR and thanks, Nikolaus _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel