linux-kernel - [PATCH v6 03/11] arm64: dts: imx8ulp-evk: added nxp secure enclave firmware

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Date:   Wed, 27 Sep 2023 23:23:53 +0530
From:   Pankaj Gupta <pankaj.gupta@....com>
To:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        clin@...e.com, conor+dt@...nel.org, pierre.gondois@....com,
        festevam@...il.com, linux-imx@....com, davem@...emloft.net,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, gaurav.jain@....com,
        alexander.stein@...tq-group.com, V.Sethi@....com
Cc:     Pankaj Gupta <pankaj.gupta@....com>
Subject: [PATCH v6 03/11] arm64: dts: imx8ulp-evk: added nxp secure enclave firmware

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

Signed-off-by: Pankaj Gupta <pankaj.gupta@....com>
---
 arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
index 946f2b68d16f..0724a2524ac2 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
@@ -152,7 +152,7 @@ sosc: clock-sosc {
 		#clock-cells = <0>;
 	};
 
-	sram@...1f000 {
+	sram0: sram@...1f000 {
 		compatible = "mmio-sram";
 		reg = <0x0 0x2201f000 0x0 0x1000>;
 
@@ -578,4 +578,14 @@ gpiod: gpio@...00080 {
 			gpio-ranges = <&iomuxc1 0 0 24>;
 		};
 	};
+
+	ele_fw2: se-fw2 {
+		 compatible = "fsl,imx8ulp-se-fw";
+		 mbox-names = "tx", "rx";
+		 mboxes = <&s4muap 0 0>,
+			<&s4muap 1 0>;
+		 fsl,mu-id = <2>;
+		 fsl,sram = <&sram0>;
+	 };
+
 };
-- 
2.34.1