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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 Dec 2025 16:51:21.0714 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5b8dbdcb-2a49-4be5-edd5-08de488cd355 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: CH1PEPF0000A347.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR10MB6110 Content-Type: text/plain; charset="utf-8" The TI K3 J721S2, J784S4 and J742S2 SoCs have a HSM (High Security Module) M4F core in the Wakeup Voltage Domain which could be used to run secure services like Authentication. Add Device Tree Node definitions for the HSM core in the respective SoC wakeup dtsi files. Signed-off-by: Beleswar Padhi --- arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 15 +++++++++++++++ .../ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi | 15 +++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/= boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi index 2a7f9c519735a..712c3bcbb6f84 100644 --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi @@ -766,4 +766,19 @@ mcu_watchdog1: watchdog@40610000 { /* reserved for MCU_R5F0_1 */ status =3D "reserved"; }; + + hsm_m4fss: m4fss@43c00000 { + compatible =3D "ti,hsm-m4fss"; + reg =3D <0x00 0x43c00000 0x00 0x20000>, + <0x00 0x43c20000 0x00 0x10000>, + <0x00 0x43c30000 0x00 0x10000>; + reg-names =3D "sram0_0", "sram0_1", "sram1"; + resets =3D <&k3_reset 304 1>; + firmware-name =3D "hsm.bin"; + ti,sci =3D <&sms>; + ti,sci-dev-id =3D <304>; + ti,sci-proc-ids =3D <0x80 0xff>; + status =3D "disabled"; + bootph-pre-ram; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi= b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi index cc22bfb5f5996..42565f41b7bac 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-mcu-wakeup-common.dtsi @@ -762,4 +762,19 @@ mcu_watchdog1: watchdog@40610000 { /* reserved for MCU_R5F0_1 */ status =3D "reserved"; }; + + hsm_m4fss: m4fss@43c00000 { + compatible =3D "ti,hsm-m4fss"; + reg =3D <0x00 0x43c00000 0x00 0x20000>, + <0x00 0x43c20000 0x00 0x10000>, + <0x00 0x43c30000 0x00 0x10000>; + reg-names =3D "sram0_0", "sram0_1", "sram1"; + resets =3D <&k3_reset 371 1>; + firmware-name =3D "hsm.bin"; + ti,sci =3D <&sms>; + ti,sci-dev-id =3D <371>; + ti,sci-proc-ids =3D <0x80 0xff>; + status =3D "disabled"; + bootph-pre-ram; + }; }; --=20 2.34.1