linux-kernel - [RFC PATCH v2 16/19] riscv: dts: thead: Add mailbox node

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Message-Id: <20241223125553.3527812-17-m.wilczynski@samsung.com>
Date: Mon, 23 Dec 2024 13:55:50 +0100
From: Michal Wilczynski <m.wilczynski@...sung.com>
To: mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, drew@...7.com, guoren@...nel.org,
	wefu@...hat.com, jassisinghbrar@...il.com, paul.walmsley@...ive.com,
	palmer@...belt.com, aou@...s.berkeley.edu, frank.binns@...tec.com,
	matt.coster@...tec.com, maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch,
	ulf.hansson@...aro.org, jszhang@...nel.org, p.zabel@...gutronix.de,
	m.szyprowski@...sung.com
Cc: linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
	dri-devel@...ts.freedesktop.org, linux-pm@...r.kernel.org, Michal Wilczynski
	<m.wilczynski@...sung.com>, Drew Fustini <dfustini@...storrent.com>
Subject: [RFC PATCH v2 16/19] riscv: dts: thead: Add mailbox node

Add mailbox device tree node. This work is based on the vendor kernel [1].

Link: https://github.com/revyos/thead-kernel.git [1]

Reviewed-by: Drew Fustini <dfustini@...storrent.com>
Signed-off-by: Michal Wilczynski <m.wilczynski@...sung.com>
---
 arch/riscv/boot/dts/thead/th1520.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index d823b6da75df..0993de0cdd44 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -601,6 +601,22 @@ timer7: timer@...fc3303c {
 			status = "disabled";
 		};
 
+		mbox_910t: mailbox@...fc38000 {
+			compatible = "thead,th1520-mbox";
+			reg = <0xff 0xffc38000 0x0 0x6000>,
+			      <0xff 0xffc40000 0x0 0x6000>,
+			      <0xff 0xffc4c000 0x0 0x2000>,
+			      <0xff 0xffc54000 0x0 0x2000>;
+			reg-names = "local", "remote-icu0", "remote-icu1", "remote-icu2";
+			clocks = <&clk CLK_MBOX0>, <&clk CLK_MBOX1>, <&clk CLK_MBOX2>,
+				 <&clk CLK_MBOX3>;
+			clock-names = "clk-local", "clk-remote-icu0", "clk-remote-icu1",
+				      "clk-remote-icu2";
+			interrupt-parent = <&plic>;
+			interrupts = <28 IRQ_TYPE_LEVEL_HIGH>;
+			#mbox-cells = <1>;
+		};
+
 		gpio@...ff41000 {
 			compatible = "snps,dw-apb-gpio";
 			reg = <0xff 0xfff41000 0x0 0x1000>;
-- 
2.34.1