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Fri, 09 May 2025 18:11:48 -0700 (PDT) From: William Zhang References: <20250406-bcmbca-peripherals-arm-v2-0-22130836c2ed@linaro.org> In-Reply-To: MIME-Version: 1.0 X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQKk0Iba5S5vFfMGFNn0Sizjy9mbxwHgAqlcsintLgA= Date: Fri, 9 May 2025 18:11:49 -0700 X-Gm-Features: AX0GCFt3K95Ms68nC87j0n5IDLINSfLeg-FuKXyKdXYqk17d76prYmspWacWdcY Message-ID: Subject: RE: [PATCH v2 00/12] ARM: bcm: Add some BCMBCA peripherals To: Florian Fainelli , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Anand Gore , Kursad Oney , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , Broadcom internal kernel review list , Olivia Mackall , Ray Jui , Scott Branden Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, Krzysztof Kozlowski Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000624b6f0634bdc44c" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250509_181150_043916_B8E57D2B X-CRM114-Status: GOOD ( 32.02 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org --000000000000624b6f0634bdc44c Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Linus, > -----Original Message----- > From: Florian Fainelli > Sent: Saturday, April 26, 2025 1:49 AM > To: Linus Walleij ; Rob Herring > ; > Krzysztof Kozlowski ; Conor Dooley > ; William Zhang ; > Anand Gore ; Kursad Oney > ; Florian Fainelli > ; Rafa=C5=82 Mi=C5=82ecki ; > Broadcom > internal kernel review list ; > Olivia > Mackall ; Ray Jui ; Scott Branden > > Cc: devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; > linux- > crypto@vger.kernel.org; Krzysztof Kozlowski > > Subject: Re: [PATCH v2 00/12] ARM: bcm: Add some BCMBCA peripherals > > > > On 4/6/2025 5:32 PM, Linus Walleij wrote: > > This adds a bunch peripherals to the Broadcom BRCMBCA > > SoC:s that I happened to find documentation for in some > > vendor header files. > > > > It started when I added a bunch of peripherals for the > > BCM6846, and this included really helpful peripherals > > such as the PL081 DMA, for which I think the most common > > usecase is to be used as a memcpy engine to offload > > transfer of blocks from NAND flash to/from the NAND > > flash controller (at least this is how the STMicro > > FSMC controller was using it). > > > > So I took a sweep and added all the stuff that has > > bindings to: > > > > ARM: > > - BCM6846 > > - BCM6855 > > - BCM6878 > > - BCM63138 > > - BCM63148 > > - BCM63178 > > > > ARM64: > > - BCM4908 > > - BCM6856 > > - BCM6858 > > - BCM63158 > > > > There are several "holes" in this SoC list, I simply > > just fixed those that I happened to run into documentation > > for. > > > > Unfortunately while very similar, some IP blocks vary > > slightly in version, the GPIO block is differently > > integrated on different systems, and the interrupt assignments > > are completely different, so it's safest to add these to each > > DTSI individually. > > > > I add the interrupt binding for the RNG block in the > > process as this exists even if Linux isn't using the > > IRQ, and I put the RNG and DMA engines as default-enabled > > because they are not routed to the outside and should > > "just work" so why not. > > > > I did a rogue patch adding some stuff to BCM6756 based > > on guessed but eventually dropped it. If someone has > > docs for this SoC I can add it. > > > > Signed-off-by: Linus Walleij > > Linus can you resubmit a v3 addressing William's feedback? I will drop > your series for now. Thanks! > -- > Florian I wonder if you get a chance to review my feedbacks on this series? Let me know if you have any questions. 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