linux-kernel - [PATCH v12 20/22] arm64: dts: amlogic: s4: add crypto node

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Message-Id: <20250624135214.1355051-21-romanov.alexey2000@gmail.com>
Date: Tue, 24 Jun 2025 16:52:12 +0300
From: Alexey Romanov <romanov.alexey2000@...il.com>
To: neil.armstrong@...aro.org,
	clabbe@...libre.com,
	herbert@...dor.apana.org.au,
	davem@...emloft.net,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	khilman@...libre.com,
	jbrunet@...libre.com,
	martin.blumenstingl@...glemail.com
Cc: linux-crypto@...r.kernel.org,
	linux-amlogic@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Alexey Romanov <romanov.alexey2000@...il.com>
Subject: [PATCH v12 20/22] arm64: dts: amlogic: s4: add crypto node

This patch adds a crypto node declaration for Amlogic S4-series.
With the Amlogic crypto driver we can use HW implementation
of SHA1/224/256 and AES algo.

Signed-off-by: Alexey Romanov <romanov.alexey2000@...il.com>
---
 arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
index 9d99ed2994df..4c897073a33f 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
@@ -66,6 +66,12 @@ xtal: xtal-clk {
 		#clock-cells = <0>;
 	};
 
+	clk81: clk81 {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <166000000>;
+	};
+
 	firmware {
 		sm: secure-monitor {
 			compatible = "amlogic,meson-gxbb-sm";
@@ -586,6 +592,13 @@ mux {
 
 			};
 
+			crypto: crypto@...400 {
+				compatible = "amlogic,s4-crypto", "amlogic,a1-crypto";
+				reg = <0x0 0x440400 0x0 0x48>;
+				interrupts = <GIC_SPI 24 IRQ_TYPE_EDGE_RISING>;
+				clocks = <&clk81>;
+			};
+
 			gpio_intc: interrupt-controller@...0 {
 				compatible = "amlogic,meson-s4-gpio-intc",
 					     "amlogic,meson-gpio-intc";
-- 
2.34.1