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boundary="------------BbPH0cLdrhweFjoe4zUEdCQ4"; protected-headers="v1" From: Matt Coster To: Nishanth Menon , Randolph Sapp Cc: Vignesh Raghavendra , Tero Kristo , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Frank Binns , Alessio Belle , Alexandru Dadu , Luigi Santivetti , Darren Etheridge Message-ID: <4816c493-8e30-476a-9e97-dd29dbab19eb@imgtec.com> Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-j721s2: Add GPU node References: <20250415-bxs-4-64-dts-v1-0-f7d3fa06625d@imgtec.com> <20250415-bxs-4-64-dts-v1-2-f7d3fa06625d@imgtec.com> <20250416112700.t3zqihsmn24jaiub@purse> In-Reply-To: <20250416112700.t3zqihsmn24jaiub@purse> --------------BbPH0cLdrhweFjoe4zUEdCQ4 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 16/04/2025 12:27, Nishanth Menon wrote: > On 15:29-20250415, Randolph Sapp wrote: >> On Tue Apr 15, 2025 at 11:20 AM CDT, Matt Coster wrote: >>> The J721S2 binding is based on the TI downstream binding in commit >>> 54b0f2a00d92 ("arm64: dts: ti: k3-j721s2-main: add gpu node") from [1= ] >>> but with updated compatible strings. >>> >>> The clock[2] and power[3] indices were verified from docs, but the >>> source of the interrupt index remains elusive. >>> >> >> For future reference, interrupt maps are present in the TRM. "Table 6-= 89. GPU0 >> Hardware Requests" explicitly calls it out "GPU0 | GPU0_MISC_0_IRQ_0 |= >> GIC500_SPI_IN_56 | COMPUTE_CLUSTER0 | GPU0 interrupt request". Subtrac= t 32 from >> that pin number to get the DT number. >=20 > Now that the mystery is resolved, could we update the commit message? Absolutely, I'll send a V2 shortly. Cheers, Matt >> >> That comment aside, this series seems fine to me. >> Reviewed-by: Randolph Sapp >> >>> [1]: https://urldefense.com/v3/__https://git.ti.com/cgit/ti-linux-ker= nel/ti-linux-kernel__;!!KCwjcDI!y39eGiVNIkSgKr9rKR3oO-7kzxHNUBmRKuqRffQd1= _TPpuYEAuBgmkmvSADjBNAs1XS9DDo$=20 >>> [2]: https://urldefense.com/v3/__https://downloads.ti.com/tisci/esd/l= atest/5_soc_doc/j721s2/clocks.html__;!!KCwjcDI!y39eGiVNIkSgKr9rKR3oO-7kzx= HNUBmRKuqRffQd1_TPpuYEAuBgmkmvSADjBNAsb0N9gDQ$=20 >>> [3]: https://urldefense.com/v3/__https://downloads.ti.com/tisci/esd/l= atest/5_soc_doc/j721s2/devices.html__;!!KCwjcDI!y39eGiVNIkSgKr9rKR3oO-7kz= xHNUBmRKuqRffQd1_TPpuYEAuBgmkmvSADjBNAsQJ1GE04$=20 >>> >>> Signed-off-by: Matt Coster >>> --- >>> This patch was previously sent as [DO NOT MERGE]: >>> https://lore.kernel.org/r/20250410-sets-bxs-4-64-patch-v1-v6-18-eda62= 0c5865f@imgtec.com=20 >>> --- >>> arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 12 ++++++++++++ >>> 1 file changed, 12 insertions(+) >>> >>> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/= boot/dts/ti/k3-j721s2-main.dtsi >>> index 92bf48fdbeba45ecca8c854db5f72fd3666239c5..a79ac41b2c1f51b7193e6= 133864428bd35a5e835 100644 >>> --- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi >>> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi >>> @@ -2048,4 +2048,16 @@ watchdog8: watchdog@23f0000 { >>> /* reserved for MAIN_R5F1_1 */ >>> status =3D "reserved"; >>> }; >>> + >>> + gpu: gpu@4e20000000 { >>> + compatible =3D "ti,j721s2-gpu", "img,img-bxs-4-64", "img,img-rogue= "; >>> + reg =3D <0x4e 0x20000000 0x00 0x80000>; >>> + clocks =3D <&k3_clks 130 1>; >>> + clock-names =3D "core"; >>> + interrupts =3D ; >>> + power-domains =3D <&k3_pds 130 TI_SCI_PD_EXCLUSIVE>, >>> + <&k3_pds 373 TI_SCI_PD_EXCLUSIVE>; >>> + power-domain-names =3D "a", "b"; >>> + dma-coherent; >>> + }; >>> }; >> >=20 --=20 Matt Coster E: matt.coster@imgtec.com --------------BbPH0cLdrhweFjoe4zUEdCQ4-- --------------HBL0Wx9kiXWPmXmh98z8xIzT Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- wnsEABYIACMWIQS4qDmoJvwmKhjY+nN5vBnz2d5qsAUCZ/+ergUDAAAAAAAKCRB5vBnz2d5qsNGU AQC07h/z5n5Oscq/Ervc4savc7K5TwOSKSKiDrOEv/V6wgEAsOctGeqfErI6D8OSfroKafVTcu/L EYLdRXBtcWU+VQY= =iCSh -----END PGP SIGNATURE----- --------------HBL0Wx9kiXWPmXmh98z8xIzT--