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Fri, 15 Aug 2025 13:59:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id wBxUGjo9n2jMfAAAD6G6ig (envelope-from ); Fri, 15 Aug 2025 13:59:22 +0000 From: Stanimir Varbanov To: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, Broadcom internal kernel review list Cc: Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Andrea della Porta , Nicolas Ferre , Claudiu Beznea , Phil Elwell , Jonathan Bell , Dave Stevenson , Stanimir Varbanov Subject: [PATCH 3/5] net: cadence: macb: Add support for Raspberry Pi RP1 ethernet controller Date: Fri, 15 Aug 2025 16:59:09 +0300 Message-ID: <20250815135911.1383385-4-svarbanov@suse.de> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20250815135911.1383385-1-svarbanov@suse.de> References: <20250815135911.1383385-1-svarbanov@suse.de> 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-Spamd-Result: default: False [-1.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_RATELIMITED(0.00)[rspamd.com]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[22]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TAGGED_RCPT(0.00)[dt,netdev]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; RCVD_COUNT_TWO(0.00)[2]; R_RATELIMIT(0.00)[to_ip_from(RLw7mkaud87zuqqztkur5718rm)]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; TO_DN_SOME(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:dkim,suse.de:email] X-Spam-Flag: NO X-Spam-Level: X-Rspamd-Queue-Id: 765B1211CA X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-Spam-Score: -1.51 Content-Type: text/plain; charset="utf-8" From: Dave Stevenson The RP1 chip has the Cadence GEM block, but wants the tx_clock to always run at 125MHz, in the same way as sama7g5. Add the relevant configuration. Signed-off-by: Dave Stevenson Signed-off-by: Stanimir Varbanov Reviewed-by: Andrew Lunn --- drivers/net/ethernet/cadence/macb_main.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/etherne= t/cadence/macb_main.c index 41c0cbb5262e..d3d5fcd42c30 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -5136,6 +5136,17 @@ static const struct macb_config versal_config =3D { .usrio =3D &macb_default_usrio, }; =20 +static const struct macb_config raspberrypi_rp1_config =3D { + .caps =3D MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_CLK_HW_CHG | + MACB_CAPS_JUMBO | + MACB_CAPS_GEM_HAS_PTP, + .dma_burst_length =3D 16, + .clk_init =3D macb_clk_init, + .init =3D macb_init, + .usrio =3D &macb_default_usrio, + .jumbo_max_len =3D 10240, +}; + static const struct of_device_id macb_dt_ids[] =3D { { .compatible =3D "cdns,at91sam9260-macb", .data =3D &at91sam9260_config = }, { .compatible =3D "cdns,macb" }, @@ -5156,6 +5167,7 @@ static const struct of_device_id macb_dt_ids[] =3D { { .compatible =3D "microchip,mpfs-macb", .data =3D &mpfs_config }, { .compatible =3D "microchip,sama7g5-gem", .data =3D &sama7g5_gem_config = }, { .compatible =3D "microchip,sama7g5-emac", .data =3D &sama7g5_emac_confi= g }, + { .compatible =3D "raspberrypi,rp1-gem", .data =3D &raspberrypi_rp1_confi= g }, { .compatible =3D "xlnx,zynqmp-gem", .data =3D &zynqmp_config}, { .compatible =3D "xlnx,zynq-gem", .data =3D &zynq_config }, { .compatible =3D "xlnx,versal-gem", .data =3D &versal_config}, --=20 2.47.0