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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Heyi Guo , Dylan Hung , Guangbin Huang , Liang He , Hao Chen , Rob Herring , Krzysztof Kozlowski , Joel Stanley , Andrew Jeffery , Tao Ren , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org Cc: Tao Ren Subject: [PATCH net-next v3 2/2] ARM: dts: aspeed: elbert: Enable mac3 controller Date: Tue, 6 Sep 2022 22:44:53 -0700 Message-Id: <20220907054453.20016-3-rentao.bupt@gmail.com> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220907054453.20016-1-rentao.bupt@gmail.com> References: <20220907054453.20016-1-rentao.bupt@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220906_224507_721618_22B4192E X-CRM114-Status: GOOD ( 12.98 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Tao Ren Enable mac3 controller in Elbert dts: Elbert MAC3 is connected to the BCM53134P onboard switch's IMP_RGMII port directly (fixed link, no PHY between BMC MAC and BCM53134P). Note: BMC's mdio0 controller is connected to BCM53134P's MDIO interface, and the MDIO channel will be enabled later, when BCM53134 is added to "bcm53xx" DSA driver. Signed-off-by: Tao Ren --- Changes in v3: - updated comments and patch description. Changes in v2: - updated comments and patch description. .../boot/dts/aspeed-bmc-facebook-elbert.dts | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts index 27b43fe099f1..8e1a1d1b282d 100644 --- a/arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-elbert.dts @@ -183,3 +183,21 @@ imux31: i2c@7 { &i2c11 { status = "okay"; }; + +/* + * BMC's "mac3" controller is connected to BCM53134P's IMP_RGMII port + * directly (fixed link, no PHY in between). + * Note: BMC's "mdio0" controller is connected to BCM53134P's MDIO + * interface, and the MDIO channel will be enabled in dts later, when + * BCM53134 is added to "bcm53xx" DSA driver. + */ +&mac3 { + status = "okay"; + phy-mode = "rgmii"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii4_default>; + fixed-link { + speed = <1000>; + full-duplex; + }; +}; -- 2.37.3 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel