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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jan 2026 10:48:19.3205 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d96ef016-47d7-43c0-90f8-08de4d111adf 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: DS2PEPF0000343F.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA3PR10MB8188 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260106_024824_932442_48791C75 X-CRM114-Status: UNSURE ( 8.79 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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 --- v2: Changelog: 1. None Link to v1: https://lore.kernel.org/all/20251231165102.950644-3-b-padhi@ti.com/ 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 fd01437726ab4..c3d78d4a838a1 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 = "reserved"; }; + + hsm_m4fss: m4fss@43c00000 { + compatible = "ti,hsm-m4fss"; + reg = <0x00 0x43c00000 0x00 0x20000>, + <0x00 0x43c20000 0x00 0x10000>, + <0x00 0x43c30000 0x00 0x10000>; + reg-names = "sram0_0", "sram0_1", "sram1"; + resets = <&k3_reset 304 1>; + firmware-name = "hsm.bin"; + ti,sci = <&sms>; + ti,sci-dev-id = <304>; + ti,sci-proc-ids = <0x80 0xff>; + status = "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 = "reserved"; }; + + hsm_m4fss: m4fss@43c00000 { + compatible = "ti,hsm-m4fss"; + reg = <0x00 0x43c00000 0x00 0x20000>, + <0x00 0x43c20000 0x00 0x10000>, + <0x00 0x43c30000 0x00 0x10000>; + reg-names = "sram0_0", "sram0_1", "sram1"; + resets = <&k3_reset 371 1>; + firmware-name = "hsm.bin"; + ti,sci = <&sms>; + ti,sci-dev-id = <371>; + ti,sci-proc-ids = <0x80 0xff>; + status = "disabled"; + bootph-pre-ram; + }; }; -- 2.34.1