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charset="utf-8" Add EIP76 Random Number Generator (RNG) node for AM62L SoC. Unlike other k3 platforms, AM62L RNG is integrated outside crypto subsystem at address 0x3b100000, requiring an additional entry in cbass_main memory map. Mark the RNG node with status "reserved" as it is intended for use by OP-TEE for secure random number generation. If required, this hardware can also be used through Linux kernel by enabling this node. Signed-off-by: Shiva Tripathi --- arch/arm64/boot/dts/ti/k3-am62l-main.dtsi | 7 +++++++ arch/arm64/boot/dts/ti/k3-am62l.dtsi | 1 + 2 files changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi b/arch/arm64/boot/dt= s/ti/k3-am62l-main.dtsi index 883beb76ba9c..1b5f90b1ee61 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62l-main.dtsi @@ -577,4 +577,11 @@ scmi_shmem: sram@0 { bootph-all; }; }; + + rng: rng@3b100000 { + compatible =3D "inside-secure,safexcel-eip76"; + reg =3D <0x00 0x3b100000 0x00 0x7d>; + interrupts =3D ; + status =3D "reserved"; /* Reserved for OP-TEE */ + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62l.dtsi b/arch/arm64/boot/dts/ti/= k3-am62l.dtsi index 23acdbb301fe..b7d4da303456 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62l.dtsi @@ -79,6 +79,7 @@ cbass_main: bus@f0000 { <0x00 0x31000000 0x00 0x31000000 0x00 0x00050000>, /* USB0 DWC3 Core W= indow */ <0x00 0x31100000 0x00 0x31100000 0x00 0x00050000>, /* USB1 DWC3 Core W= indow */ <0x00 0x3b000000 0x00 0x3b000000 0x00 0x00000400>, /* GPMC0 */ + <0x00 0x3b100000 0x00 0x3b100000 0x00 0x0000007d>, /* RNG */ <0x00 0x45810000 0x00 0x45810000 0x00 0x03170000>, /* DMSS */ <0x00 0x50000000 0x00 0x50000000 0x00 0x08000000>, /* GPMC DATA */ <0x00 0x60000000 0x00 0x60000000 0x00 0x08000000>, /* FSS DAT1 */ --=20 2.34.1