[PATCH v30 6/7] arm64: dts: imx8ulp: add secure enclave node

[email protected]
Newsgroups dev.linux.lists.imx,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel
Message-ID <[email protected]>
From: Pankaj Gupta <[email protected]>

Add support for NXP secure enclave called EdgeLock Enclave firmware (se-fw)
for imx8ulp-evk.

Add label sram0 for sram@2201f000 and add secure-enclave node

Signed-off-by: Pankaj Gupta <[email protected]>
Reviewed-by: Frank Li <[email protected]>
---
 arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
index c6d1bb9edf38..182f1444b643 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
- * Copyright 2021 NXP
+ * Copyright 2021, 2025 NXP
  */
 
 #include <dt-bindings/clock/imx8ulp-clock.h>
@@ -153,7 +153,7 @@ sosc: clock-sosc {
 		#clock-cells = <0>;
 	};
 
-	sram@2201f000 {
+	sram0: sram@2201f000 {
 		compatible = "mmio-sram";
 		reg = <0x0 0x2201f000 0x0 0x1000>;
 
@@ -185,6 +185,13 @@ scmi_sensor: protocol@15 {
 				#thermal-sensor-cells = <1>;
 			};
 		};
+
+		hsm0: secure-enclave {
+			compatible = "fsl,imx8ulp-se-ele-hsm";
+			mbox-names = "tx", "rx";
+			mboxes = <&s4muap 0 0>, <&s4muap 1 0>;
+			sram = <&sram0>;
+		};
 	};
 
 	cm33: remoteproc-cm33 {

-- 
2.43.0
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