linux-kernel - [PATCH v3 3/3] mips: dts: ralink: mt7621: add crypto offload support

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Message-ID: <20260102155341.3682013-3-olek2@wp.pl>
Date: Fri,  2 Jan 2026 16:47:35 +0100
From: Aleksander Jan Bajkowski <olek2@...pl>
To: benjamin.larsson@...exis.eu,
	chester.a.unal@...nc9.com,
	davem@...emloft.net,
	angelogioacchino.delregno@...labora.com,
	ansuelsmth@...il.com,
	conor+dt@...nel.org,
	herbert@...dor.apana.org.au,
	krzk+dt@...nel.org,
	matthias.bgg@...il.com,
	robh@...nel.org,
	sergio.paracuellos@...il.com,
	tsbogend@...ha.franken.de,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	linux-mips@...r.kernel.org
Cc: Aleksander Jan Bajkowski <olek2@...pl>
Subject: [PATCH v3 3/3] mips: dts: ralink: mt7621: add crypto offload support

Add support for the built-in cryptographic accelerator. This accelerator
supports 3DES, AES (128/192/256 bit), ARC4, MD5, SHA1, SHA224, and SHA256.
It also supports full IPSEC, SRTP and TLS offload.

Signed-off-by: Aleksander Jan Bajkowski <olek2@...pl>
---
v3:
- Add reset line and clock gate
- Change commit description
- Wrap long line
---
 arch/mips/boot/dts/ralink/mt7621.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
index 0704eab4a80b..e1047dd861c0 100644
--- a/arch/mips/boot/dts/ralink/mt7621.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
@@ -361,6 +361,19 @@ cdmm: cdmm@...f8000 {
 		reg = <0x1fbf8000 0x8000>;
 	};
 
+	crypto@...04000 {
+		compatible = "mediatek,mt7621-eip93",
+			     "inside-secure,safexcel-eip93ies";
+		reg = <0x1e004000 0x1000>;
+
+		clocks = <&sysc MT7621_CLK_CRYPTO>;
+
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_SHARED 19 IRQ_TYPE_LEVEL_HIGH>;
+
+		resets = <&sysc MT7621_RST_CRYPTO>;
+	};
+
 	ethernet: ethernet@...00000 {
 		compatible = "mediatek,mt7621-eth";
 		reg = <0x1e100000 0x10000>;
-- 
2.47.3