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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Mathieu Poirier , Simon Horman , Jonathan Corbet , Nishanth Menon , Vignesh Raghavendra , Mengyuan Lou , MD Danish Anwar , Xin Guo , Lei Wei , Lee Trager , Michael Ellerman , Fan Gong , Lorenzo Bianconi , Geert Uytterhoeven , Lukas Bulwahn , Parthiban Veerasooran , Suman Anna CC: Tero Kristo , , , , , , , , Roger Quadros Subject: [PATCH net-next v2 8/8] arch: arm64: dts: k3-am64*: Add rpmsg-eth node Date: Tue, 2 Sep 2025 14:37:46 +0530 Message-ID: <20250902090746.3221225-9-danishanwar@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250902090746.3221225-1-danishanwar@ti.com> References: <20250902090746.3221225-1-danishanwar@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250902_020831_353230_FED0C291 X-CRM114-Status: GOOD ( 12.14 ) 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 Add rpmsg-eth node to main_r5fss0_core0. This node describes the memory region to be used for rpmsg ethernet communication. The commit adds below changes, - Adding new reserved memory region main_r5fss0_core0_memory_region_shm - Adding rpmsg-eth node to main_r5fss0_core0 with memory-region as main_r5fss0_core0_memory_region_shm Signed-off-by: MD Danish Anwar --- arch/arm64/boot/dts/ti/k3-am642-evm.dts | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts index e01866372293..1e5ee9ac9966 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts @@ -61,7 +61,13 @@ main_r5fss0_core0_dma_memory_region: r5f-dma-memory@a0000000 { main_r5fss0_core0_memory_region: r5f-memory@a0100000 { compatible = "shared-dma-pool"; - reg = <0x00 0xa0100000 0x00 0xf00000>; + reg = <0x00 0xa0100000 0x00 0x300000>; + no-map; + }; + + main_r5fss0_core0_memory_region_shm: r5f-shm-memory@a0400000 { + compatible = "shared-dma-pool"; + reg = <0x00 0xa0400000 0x00 0xc00000>; no-map; }; @@ -768,6 +774,9 @@ &main_r5fss0_core0 { mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>; memory-region = <&main_r5fss0_core0_dma_memory_region>, <&main_r5fss0_core0_memory_region>; + rpmsg-eth { + memory-region = <&main_r5fss0_core0_memory_region_shm>; + }; }; &main_r5fss0_core1 { -- 2.34.1