linux-kernel - [RFC PATCH 4/4] riscv: dts: thead: th1520: add mailbox channel for SBI-to-AON comm

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Message-ID: <20250814070757.2267325-5-uwu@icenowy.me>
Date: Thu, 14 Aug 2025 15:07:57 +0800
From: Icenowy Zheng <uwu@...nowy.me>
To: Drew Fustini <fustini@...nel.org>,
	Guo Ren <guoren@...nel.org>,
	Fu Wei <wefu@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Michal Wilczynski <m.wilczynski@...sung.com>
Cc: Han Gao <rabenda.cn@...il.com>,
	Inochi Amaoto <inochiama@...il.com>,
	Yao Zi <ziyao@...root.org>,
	linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Icenowy Zheng <uwu@...nowy.me>
Subject: [RFC PATCH 4/4] riscv: dts: thead: th1520: add mailbox channel for SBI-to-AON comm

Add a mailbox channel declaration to the AON firmware node to describe
the mailbox channel assigned to the SBI firmware to communicate with
AON.

Signed-off-by: Icenowy Zheng <uwu@...nowy.me>
---
 arch/riscv/boot/dts/thead/th1520.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 136ebe210b876..6e5e0223d0c16 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -233,8 +233,8 @@ stmmac_axi_config: stmmac-axi-config {
 
 	aon: aon {
 		compatible = "thead,th1520-aon";
-		mboxes = <&mbox_910t 1>;
-		mbox-names = "aon";
+		mboxes = <&mbox_910t 1>, <&mbox_910r 1>;
+		mbox-names = "aon", "aon-for-sbi";
 		resets = <&rst TH1520_RESET_ID_GPU_CLKGEN>;
 		reset-names = "gpu-clkgen";
 		#power-domain-cells = <1>;
-- 
2.50.1