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Message-ID: <20250908090746.862407-8-danishanwar@ti.com>
Date: Mon, 8 Sep 2025 14:37:46 +0530
From: MD Danish Anwar <danishanwar@...com>
To: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni
<pabeni@...hat.com>, Simon Horman <horms@...nel.org>,
Jonathan Corbet
<corbet@....net>, Nishanth Menon <nm@...com>,
Vignesh Raghavendra
<vigneshr@...com>,
Tero Kristo <kristo@...nel.org>, Rob Herring
<robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley
<conor+dt@...nel.org>,
Andrew Lunn <andrew+netdev@...n.ch>,
MD Danish Anwar
<danishanwar@...com>,
Mengyuan Lou <mengyuanlou@...-swift.com>,
Luo Jie
<quic_luoj@...cinc.com>, Fan Gong <gongfan1@...wei.com>,
Lei Wei
<quic_leiwei@...cinc.com>,
Michael Ellerman <mpe@...erman.id.au>, Lee Trager
<lee@...ger.us>,
Lorenzo Bianconi <lorenzo@...nel.org>,
Parthiban Veerasooran
<Parthiban.Veerasooran@...rochip.com>,
Geert Uytterhoeven
<geert+renesas@...der.be>,
Lukas Bulwahn <lukas.bulwahn@...hat.com>
CC: <netdev@...r.kernel.org>, <linux-doc@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>
Subject: [PATCH net-next v3 7/7] arch: arm64: dts: k3-am64*: Add rpmsg-eth node
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 <danishanwar@...com>
---
arch/arm64/boot/dts/ti/k3-am642-evm.dts | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index e01866372293..6e8e2c39146b 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@...00000 {
main_r5fss0_core0_memory_region: r5f-memory@...00000 {
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@...00000 {
+ compatible = "shared-dma-pool";
+ reg = <0x00 0xa0400000 0x00 0xc00000>;
no-map;
};
@@ -767,7 +773,8 @@ mbox_m4_0: mbox-m4-0 {
&main_r5fss0_core0 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>;
memory-region = <&main_r5fss0_core0_dma_memory_region>,
- <&main_r5fss0_core0_memory_region>;
+ <&main_r5fss0_core0_memory_region>,
+ <&main_r5fss0_core0_memory_region_shm>;
};
&main_r5fss0_core1 {
--
2.34.1
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