[PATCH v2 2/2] arm64: dts: mediatek: add crypto offload support on MT7981

Aleksander Jan Bajkowski olek2 at wp.pl
Mon Mar 2 15:00:39 PST 2026


The MT7981 as well as the MT7986 have a built-in EIP-97 crypto accelerator.
This commit adds the missing entry in the dts.

Signed-off-by: Aleksander Jan Bajkowski <olek2 at wp.pl>
---
 arch/arm64/boot/dts/mediatek/mt7981b.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 4084f4dfa3e5..94c7bf0050fc 100644
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -150,6 +150,21 @@ sgmiisys1: syscon at 10070000 {
 			#clock-cells = <1>;
 		};
 
+		crypto at 10320000 {
+			compatible = "mediatek,mt7981-crypto",
+				"inside-secure,safexcel-eip97ies";
+			reg = <0 0x10320000 0 0x40000>;
+			interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "ring0", "ring1", "ring2", "ring3";
+			clocks = <&topckgen CLK_TOP_EIP97B>;
+			clock-names = "core";
+			assigned-clocks = <&topckgen CLK_TOP_EIP97B_SEL>;
+			assigned-clock-parents = <&topckgen CLK_TOP_CB_NET1_D5>;
+		};
+
 		uart0: serial at 11002000 {
 			compatible = "mediatek,mt7981-uart", "mediatek,mt6577-uart";
 			reg = <0 0x11002000 0 0x100>;
-- 
2.47.3




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