From nobody Wed Dec 17 13:55:45 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E1539C77B73 for ; Wed, 19 Apr 2023 09:26:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232875AbjDSJ0U (ORCPT ); Wed, 19 Apr 2023 05:26:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232825AbjDSJ0Q (ORCPT ); Wed, 19 Apr 2023 05:26:16 -0400 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7103AF; Wed, 19 Apr 2023 02:26:14 -0700 (PDT) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 33J9Q6YP071096; Wed, 19 Apr 2023 04:26:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1681896366; bh=OE6isOxwACqnkPpdmJsY1U2qyVXgwLkbhOi8+TI5Qps=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=aOPWHUmeAPRfYR/FbbB+GSHBOvTBaqVUsDM6xserzqby1CnJCwAVUV/VTaHEI4rcW xduIUgZgt/NOWMjlL8Gmqew05nqeC8TLkRW7Bu12BtLK2wrmEQRgPhPK5wjicSfQxI eQ6WmiRgO0LR/J5ix3ai1s/VTCbWcnT4qRyrQ7oI= Received: from DLEE100.ent.ti.com (dlee100.ent.ti.com [157.170.170.30]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 33J9Q6xH110879 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 19 Apr 2023 04:26:06 -0500 Received: from DLEE102.ent.ti.com (157.170.170.32) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 19 Apr 2023 04:26:06 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE102.ent.ti.com (157.170.170.32) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Wed, 19 Apr 2023 04:26:06 -0500 Received: from ula0497641.dhcp.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 33J9Pxnc086968; Wed, 19 Apr 2023 04:26:03 -0500 From: Neha Malcom Francis To: , , , , CC: , , , Subject: [PATCH v2 1/3] dt-bindings: misc: esm: Add ESM support for TI K3 devices Date: Wed, 19 Apr 2023 14:55:57 +0530 Message-ID: <20230419092559.673869-2-n-francis@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230419092559.673869-1-n-francis@ti.com> References: <20230419092559.673869-1-n-francis@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Document the binding for TI K3 ESM (Error Signaling Module) block. Signed-off-by: Neha Malcom Francis --- .../bindings/hwmon/ti,j721e-esm.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/ti,j721e-esm.ya= ml diff --git a/Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml b/Do= cumentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml new file mode 100644 index 000000000000..7b23ac7cb3ba --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ti,j721e-esm.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 Texas Instruments Incorporated +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/ti,j721e-esm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments K3 ESM + +maintainers: + - Neha Malcom Francis + +description: + The ESM (Error Signaling Module) is an IP block on TI K3 devices + that allows handling of safety events somewhat similar to what interrupt + controller would do. The safety signals have their separate paths within + the SoC, and they are handled by the ESM, which routes them to the proper + destination, which can be system reset, interrupt controller, etc. In the + simplest configuration the signals are just routed to reset the SoC. + +properties: + compatible: + const: ti,j721e-esm + + reg: + items: + - description: the ESM register set + + ti,esm-pins: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + integer array of ESM interrupt pins to route to external event pin + which can be used to reset the SoC. + minItems: 1 + maxItems: 255 + +additionalProperties: false + +required: + - compatible + - reg + - ti,esm-pins + +examples: + - | + cbass_main { + #address-cells =3D <2>; + #size-cells =3D <2>; + + esm@700000 { + compatible =3D "ti,j721e-esm"; + reg =3D <0x0 0x700000 0x0 0x1000>; + ti,esm-pins =3D <344>, <345>; + }; + }; --=20 2.34.1 From nobody Wed Dec 17 13:55:45 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC21EC77B73 for ; Wed, 19 Apr 2023 09:26:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232917AbjDSJ0c (ORCPT ); Wed, 19 Apr 2023 05:26:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52150 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232882AbjDSJ0Y (ORCPT ); Wed, 19 Apr 2023 05:26:24 -0400 Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1911E7D96; Wed, 19 Apr 2023 02:26:21 -0700 (PDT) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 33J9Q9Id056234; Wed, 19 Apr 2023 04:26:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1681896369; bh=Nbm2okQd9GOX9MLJ9GJdK7KWRgaCLc9q1CvXPRB4DTY=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=MwpF2JeU4ys/RAPx7wVRk6VgfcdMJNrufvdfVXD5iCjKyz3RNc+rp4Tlc93z/wbVg vh1E4QhQmLUyZOm563sSowQzoNm7SbsYj3gyJLZeMm8HWP6a9w5aXTqpf0u/bGojPm P1MsAHe3kkNA9Oys0y28k2FJORYE9Ixp3QSqDNcI= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 33J9Q9wZ110902 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 19 Apr 2023 04:26:09 -0500 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 19 Apr 2023 04:26:09 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Wed, 19 Apr 2023 04:26:09 -0500 Received: from ula0497641.dhcp.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 33J9Pxnd086968; Wed, 19 Apr 2023 04:26:06 -0500 From: Neha Malcom Francis To: , , , , CC: , , , Subject: [PATCH v2 2/3] arm64: dts: ti: k3-j721e: Add ESM support Date: Wed, 19 Apr 2023 14:55:58 +0530 Message-ID: <20230419092559.673869-3-n-francis@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230419092559.673869-1-n-francis@ti.com> References: <20230419092559.673869-1-n-francis@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add address entry mapping ESM on J721E. Signed-off-by: Neha Malcom Francis --- arch/arm64/boot/dts/ti/k3-j721e.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/ti/k3-j721e.dtsi b/arch/arm64/boot/dts/ti/= k3-j721e.dtsi index b912143b6a11..52bcde601eb8 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e.dtsi @@ -131,6 +131,7 @@ cbass_main: bus@100000 { #size-cells =3D <2>; ranges =3D <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mm= r */ <0x00 0x00600000 0x00 0x00600000 0x00 0x00031100>, /* GPIO */ + <0x00 0x00700000 0x00 0x00700000 0x00 0x00001000>, /* ESM */ <0x00 0x00900000 0x00 0x00900000 0x00 0x00012000>, /* serdes */ <0x00 0x00a40000 0x00 0x00a40000 0x00 0x00000800>, /* timesync router = */ <0x00 0x06000000 0x00 0x06000000 0x00 0x00400000>, /* USBSS0 */ --=20 2.34.1 From nobody Wed Dec 17 13:55:45 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8E81C77B73 for ; Wed, 19 Apr 2023 09:26:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232891AbjDSJ02 (ORCPT ); Wed, 19 Apr 2023 05:26:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232871AbjDSJ0T (ORCPT ); Wed, 19 Apr 2023 05:26:19 -0400 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 533EBB757; Wed, 19 Apr 2023 02:26:18 -0700 (PDT) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 33J9QCC6071125; Wed, 19 Apr 2023 04:26:12 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1681896372; bh=1GIZKi464DswWpYYI8PkLUvrxRe5Lbt01DrvEsUrNoA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=j5C/WITB979BOAlt3y38DfYLmqbU3JHYq4+n4R6YnYDB0mQHJEcsOkWefztvPLZLU vd9WpLGQ9Uj8qCb2XztsVUExCfpGq6o+yY6+YJvjd+nncQWJvpA+NowMnf4egXFuFj amkIqKQEq8fqv5ownchY53Uk/PiqGnZpZme/BZoI= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 33J9QC1N011638 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 19 Apr 2023 04:26:12 -0500 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Wed, 19 Apr 2023 04:26:12 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Wed, 19 Apr 2023 04:26:12 -0500 Received: from ula0497641.dhcp.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 33J9Pxne086968; Wed, 19 Apr 2023 04:26:09 -0500 From: Neha Malcom Francis To: , , , , CC: , , , Subject: [PATCH v2 3/3] arm64: dts: ti: k3-j7200: Add ESM support Date: Wed, 19 Apr 2023 14:55:59 +0530 Message-ID: <20230419092559.673869-4-n-francis@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230419092559.673869-1-n-francis@ti.com> References: <20230419092559.673869-1-n-francis@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add address entry mapping ESM on J7200. Signed-off-by: Neha Malcom Francis --- arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 6 ++++++ arch/arm64/boot/dts/ti/k3-j7200.dtsi | 1 + 2 files changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dt= s/ti/k3-j7200-main.dtsi index ef352e32f19d..89f816f5e53d 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi @@ -1010,4 +1010,10 @@ main_r5fss0_core1: r5f@5d00000 { ti,loczrama =3D <1>; }; }; + + main_esm: esm@700000 { + compatible =3D "ti,j721e-esm"; + reg =3D <0x0 0x700000 0x0 0x1000>; + ti,esm-pins =3D <656>, <657>; + }; }; diff --git a/arch/arm64/boot/dts/ti/k3-j7200.dtsi b/arch/arm64/boot/dts/ti/= k3-j7200.dtsi index bbe380c72a7e..4998eb4fbe75 100644 --- a/arch/arm64/boot/dts/ti/k3-j7200.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j7200.dtsi @@ -128,6 +128,7 @@ cbass_main: bus@100000 { #size-cells =3D <2>; ranges =3D <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mm= r */ <0x00 0x00600000 0x00 0x00600000 0x00 0x00031100>, /* GPIO */ + <0x00 0x00700000 0x00 0x00700000 0x00 0x00001000>, /* ESM */ <0x00 0x00a40000 0x00 0x00a40000 0x00 0x00000800>, /* timesync router = */ <0x00 0x01000000 0x00 0x01000000 0x00 0x0d000000>, /* Most peripherals= */ <0x00 0x30000000 0x00 0x30000000 0x00 0x0c400000>, /* MAIN NAVSS */ --=20 2.34.1