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X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jan 2026 10:48:11.2095 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3797bda8-5b87-44ab-5464-08de4d11160b 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: SJ1PEPF00001CE9.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY5PR10MB6118 Content-Type: text/plain; charset="utf-8" Some of the TI K3 family of 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 the device tree bindings document for this HSM M4F core. The added example illustrates the DT node for the HSM core present on K3 J722S SoC. Signed-off-by: Beleswar Padhi Reviewed-by: Krzysztof Kozlowski --- v2: Changelog: [Krzysztof Kozlowski]: 1. Update commit msg to remove redundant "bindings". 2. Update filename to match compatible. 3. Remove "address-cells" & "size-cells" property. These belong to the device's parent node. 4. Drop description from firmware-name property. 5. Fix indentation for DT example. Link to v1: https://lore.kernel.org/all/20251231165102.950644-2-b-padhi@ti.com/ .../bindings/remoteproc/ti,hsm-m4fss.yaml | 72 +++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,hsm-m4f= ss.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/ti,hsm-m4fss.yaml= b/Documentation/devicetree/bindings/remoteproc/ti,hsm-m4fss.yaml new file mode 100644 index 0000000000000..9244e60acee37 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/ti,hsm-m4fss.yaml @@ -0,0 +1,72 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/ti,hsm-m4fss.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI K3 HSM M4F processor subsystems + +maintainers: + - Beleswar Padhi + +description: | + Some K3 family SoCs have a HSM (High Security Module) M4F core in the + Wakeup Voltage Domain which could be used to run secure services like + Authentication. Some of those are J721S2, J784S4, J722S, AM62X. + +$ref: /schemas/arm/keystone/ti,k3-sci-common.yaml# + +properties: + compatible: + enum: + - ti,hsm-m4fss + + reg: + items: + - description: SRAM0_0 internal memory region + - description: SRAM0_1 internal memory region + - description: SRAM1 internal memory region + + reg-names: + items: + - const: sram0_0 + - const: sram0_1 + - const: sram1 + + resets: + maxItems: 1 + + firmware-name: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - resets + - firmware-name + - ti,sci + - ti,sci-dev-id + - ti,sci-proc-ids + +unevaluatedProperties: false + +examples: + - | + soc { + #address-cells =3D <2>; + #size-cells =3D <2>; + + remoteproc@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 225 1>; + firmware-name =3D "hsm.bin"; + ti,sci =3D <&sms>; + ti,sci-dev-id =3D <225>; 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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 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 --- 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 =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 From nobody Sun Feb 8 11:06:15 2026 Received: from CY3PR05CU001.outbound.protection.outlook.com (mail-westcentralusazon11013041.outbound.protection.outlook.com [40.93.201.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EDF613112C4; 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Tue, 6 Jan 2026 04:48:14 -0600 Received: from DLEE209.ent.ti.com (157.170.170.98) by DLEE201.ent.ti.com (157.170.170.76) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 6 Jan 2026 04:48:14 -0600 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DLEE209.ent.ti.com (157.170.170.98) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Tue, 6 Jan 2026 04:48:14 -0600 Received: from uda0510294.dhcp.ti.com (uda0510294.dhcp.ti.com [172.24.234.212]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 606Aluwb2890257; Tue, 6 Jan 2026 04:48:10 -0600 From: Beleswar Padhi To: , , , , , , , CC: , , , , , , , Subject: [PATCH v2 3/3] arm64: dts: ti: k3-am62p-j722s-common-main: Add HSM M4F node Date: Tue, 6 Jan 2026 16:17:55 +0530 Message-ID: <20260106104755.948086-4-b-padhi@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260106104755.948086-1-b-padhi@ti.com> References: <20260106104755.948086-1-b-padhi@ti.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00002315:EE_|BLAPR10MB5075:EE_ X-MS-Office365-Filtering-Correlation-Id: c117d0d8-f7cd-4ff4-20f1-08de4d111b10 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|36860700013|82310400026|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?7ZASgNot5t961+Mrl2sk8abWkbdOgIsnXCdn49T+O8p84MeAA91mcFmku3Za?= =?us-ascii?Q?zROg48O8o9QwnRb9/aI1wHyTJ7Y9Fd3suQXoeKsBIbSKD8Ja6PrSa3PfBxFP?= =?us-ascii?Q?aNjD3sGUdun4ozPemukhXvMjkSfsSMzohNI9a1KxgESP/JiHueIESKPp+ejQ?= =?us-ascii?Q?zal3Wl4IpxjALIWpnyfARJw0osEAigLHhRJNnAJihD/UB3WHd2Z+OYfPtgLG?= =?us-ascii?Q?eceiBMqBc0x0Gqh81IaC2Pzho1wHU2dyel5pnq4nVXG0Ksb/tvQGd1Tv/9nd?= =?us-ascii?Q?oEX3nNO7lAQrWHE69R2K0qu4lzykq6uV54ymGxLvBvRB8TfkM7pAsWr/l6la?= =?us-ascii?Q?cwyU2xcb5MbVWKUkjHGhK6LzTleaQIxzHkZ/zLFV1gEOAhQQMlKnK7RTCs85?= =?us-ascii?Q?N0R2pCHZhdA55x8LQDefA9VJPPkhh/UHK/WaggLz8lr4Y2E37D/MiuodTHEx?= =?us-ascii?Q?arHxkIfU7jg/HUzAEHaRW6j8zkeTqbH8UNDpTOTepQefTRVpBiCk5yG99JRQ?= =?us-ascii?Q?R2fN/Auxcq3CmY9I+jA215V394NtjLlmpAbsw2E+N9JKBgx3J20o+68ayOh+?= =?us-ascii?Q?9K56qLXgHNr2QVFs07E+Rg9SGDBbgyLg1+1mFUOqQLhQ0bSBxz+NoxvMXUMk?= =?us-ascii?Q?7k+cFMdezJmXjnncFeArwLQfhlOp7Kqno1mPGnTaxIyBOoEnlJWgXC0P91AG?= =?us-ascii?Q?MSrruUc+4n0ixbX+LaAey6IdkzNaEhbRIFM9313DeW9lXbRiqcWX1gOQc4+E?= =?us-ascii?Q?qYZ6dlIkTLpcjJucbRGS4YDLrQOZOPQ1cnXHIdT2J+NfAO488n6pkKsKziKl?= =?us-ascii?Q?anJTlNEeO+ALWIn1hn9MhbLi3IBUUu1xW49BCS6YBQZeKMXl+Y6Mpfxy1gwU?= =?us-ascii?Q?JOKtEOrxqyjAIBbg0Kg9SwouvSQDKtRsAeiLpczb8MoxhTkPg2AnC+ZGBw5q?= =?us-ascii?Q?k/K8xL/7qnG4htcJumgvVgDjXQCZPSkhsAYlYnTuX5HgZM5zhP6ioIe1hhnc?= =?us-ascii?Q?ttZeUDsiQ/OoyKPxSyoos5CHlkdNnjpde16kao9U+5qRVwWLodq0M38H4j0k?= =?us-ascii?Q?tAyLnnx2HhIW8zNGSojExJntYo2SOG4u9yuyHVeFoaecWUEH6sfPhE4to2Wk?= =?us-ascii?Q?F/ClhnALPr014IOAek3tuyRHW1LCDnNndVA/C7ZyG8ZelN3ZxNst4piwIIOJ?= =?us-ascii?Q?CCq5OelyKNGjgZyNR1yywQBw0irXjYaaHthocz+tJcwHKlW/+FxZvplkBSo8?= =?us-ascii?Q?5alOWbSKwUYdWzPOQUSLbvXV1jS+qjXXAEAgKlImgV4RTnmuIhWyzpr/qLoj?= =?us-ascii?Q?pPhWgekrVHKsmFilg3c5/P6DY9BAIH1dnl70Ra99VCuKLQgMYuAp05VwUsRo?= =?us-ascii?Q?LVa7h91Dg9QLDDmXBTfrL6sza+PK23/o9BLnkdr0SPD4kGDLHMRyccca9F3h?= =?us-ascii?Q?D6dz459/0sXTy4BscbZYoaHYk9gYq8/pZEUWO35u5+10qdu2guzBvuTYGRpi?= =?us-ascii?Q?rVxp4sj7xgY0ejQ2UPIEwf0XHDHg8FARaMtrKm6M5TgntJ3i0vstGCBjBz9/?= =?us-ascii?Q?knCu2W1nGHzrO5bpx1M=3D?= X-Forefront-Antispam-Report: CIP:198.47.23.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet201.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(376014)(7416014)(36860700013)(82310400026)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jan 2026 10:48:19.6003 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: c117d0d8-f7cd-4ff4-20f1-08de4d111b10 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00002315.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLAPR10MB5075 Content-Type: text/plain; charset="utf-8" The TI K3 AM62P and J722S SoCs have a HSM (High Security Module) M4F core in the MAIN 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 common main dtsi file. The corresponding reg ranges of HSM node has also been added to its parent node's (cbass_main bus) ranges property. Signed-off-by: Beleswar Padhi --- v2: Changelog: 1. None Link to v1: https://lore.kernel.org/all/20251231165102.950644-4-b-padhi@ti.com/ .../boot/dts/ti/k3-am62p-j722s-common-main.dtsi | 15 +++++++++++++++ arch/arm64/boot/dts/ti/k3-am62p.dtsi | 1 + arch/arm64/boot/dts/ti/k3-j722s.dtsi | 1 + 3 files changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi b/arch/= arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi index 3cf7c2b3ce2dd..28586cbc57613 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62p-j722s-common-main.dtsi @@ -1117,4 +1117,19 @@ vpu: video-codec@30210000 { clocks =3D <&k3_clks 204 2>; power-domains =3D <&k3_pds 204 TI_SCI_PD_EXCLUSIVE>; }; + + 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 225 1>; + firmware-name =3D "hsm.bin"; + ti,sci =3D <&dmsc>; + ti,sci-dev-id =3D <225>; + ti,sci-proc-ids =3D <0x80 0xff>; + status =3D "disabled"; + bootph-pre-ram; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-am62p.dtsi b/arch/arm64/boot/dts/ti/= k3-am62p.dtsi index e2c01328eb298..9d6266d6ddb82 100644 --- a/arch/arm64/boot/dts/ti/k3-am62p.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62p.dtsi @@ -96,6 +96,7 @@ cbass_main: bus@f0000 { <0x00 0x31100000 0x00 0x31100000 0x00 0x00050000>, /* USB1 DWC3 Core w= indow */ <0x00 0x40900000 0x00 0x40900000 0x00 0x00030000>, /* SA3UL */ <0x00 0x43600000 0x00 0x43600000 0x00 0x00010000>, /* SA3 sproxy data = */ + <0x00 0x43c00000 0x00 0x43c00000 0x00 0x00040000>, /* HSM SRAM ranges = */ <0x00 0x44043000 0x00 0x44043000 0x00 0x00000fe0>, /* TI SCI DEBUG */ <0x00 0x44860000 0x00 0x44860000 0x00 0x00040000>, /* SA3 sproxy confi= g */ <0x00 0x48000000 0x00 0x48000000 0x00 0x06408000>, /* DMSS */ diff --git a/arch/arm64/boot/dts/ti/k3-j722s.dtsi b/arch/arm64/boot/dts/ti/= k3-j722s.dtsi index c8b634c346779..059c65ece183f 100644 --- a/arch/arm64/boot/dts/ti/k3-j722s.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j722s.dtsi @@ -173,6 +173,7 @@ cbass_main: bus@f0000 { <0x00 0x31200000 0x00 0x31200000 0x00 0x00040000>, /* USB1 DWC3 Core w= indow */ <0x00 0x40900000 0x00 0x40900000 0x00 0x00030000>, /* SA3UL */ <0x00 0x43600000 0x00 0x43600000 0x00 0x00010000>, /* SA3 sproxy data = */ + <0x00 0x43c00000 0x00 0x43c00000 0x00 0x00040000>, /* HSM SRAM ranges = */ <0x00 0x44043000 0x00 0x44043000 0x00 0x00000fe0>, /* TI SCI DEBUG */ <0x00 0x44860000 0x00 0x44860000 0x00 0x00040000>, /* SA3 sproxy confi= g */ <0x00 0x48000000 0x00 0x48000000 0x00 0x06408000>, /* DMSS */ --=20 2.34.1