linux-kernel - [RFC 10/13] arm64: dts: mt8192: Add APU-IOMMU nodes

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Date:   Sat, 23 Oct 2021 19:14:06 +0800
From:   Flora Fu <flora.fu@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sumit Semwal <sumit.semwal@...aro.org>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-media@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <linaro-mm-sig@...ts.linaro.org>, Flora Fu <flora.fu@...iatek.com>,
        Yong Wu <yong.wu@...iatek.com>,
        Pi-Cheng Chen <pi-cheng.chen@...iatek.com>
Subject: [RFC 10/13] arm64: dts: mt8192: Add APU-IOMMU nodes

From: Yong Wu <yong.wu@...iatek.com>

Add APU-IOMMI nodes

Signed-off-by: Yong Wu <yong.wu@...iatek.com>
Signed-off-by: Flora Fu <flora.fu@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8192.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
index 7014082637b0..d5e417a512a7 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
@@ -8,6 +8,7 @@
 #include <dt-bindings/clock/mt8192-clk.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/memory/mt8192-larb-port.h>
 #include <dt-bindings/pinctrl/mt8192-pinfunc.h>
 #include <dt-bindings/power/mt8192-power.h>
 
@@ -916,6 +917,14 @@
 			#clock-cells = <1>;
 		};
 
+		iommu_apu: m4u@...10000 {
+			compatible = "mediatek,mt8192-iommu-apu";
+			reg = <0 0x19010000 0 0x1000>;
+			interrupts = <GIC_SPI 394 IRQ_TYPE_LEVEL_HIGH 0>;
+			power-domains = <&apuspm 0>;
+			#iommu-cells = <1>;
+		};
+
 		apu_conn: apu_conn@...20000 {
 			compatible = "mediatek,mt8192-apu-conn", "syscon";
 			reg = <0 0x19020000 0 0x1000>;
-- 
2.18.0