From patchwork Fri Jul 17 23:47:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Suman Anna X-Patchwork-Id: 11671455 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4FB1F13A4 for ; Fri, 17 Jul 2020 23:48:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 37D9620768 for ; Fri, 17 Jul 2020 23:48:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="tv2tlwxx" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728452AbgGQXsP (ORCPT ); Fri, 17 Jul 2020 19:48:15 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:50520 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728276AbgGQXsO (ORCPT ); Fri, 17 Jul 2020 19:48:14 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 06HNm9pl014576; Fri, 17 Jul 2020 18:48:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1595029689; bh=9KwCpesWJC8b9T9niJbSKws+xrNpUnloOyOKSNepTfw=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=tv2tlwxxLc8YjtSW0iNq2bvigjGgLiF3/NAQD+tBNTpuzAHAR4J4/Ax7uWF+ehMLL wCE+3aTdRuKpbq+VANXwtYgdn+YUNh45Y5KQ7Q9GWIQB7zIIALUOZhtL8bFgGXGb0E qOMjatzFbK8p2zSJY8JygGatOB0yKhohpT0TiBYQ= Received: from DFLE109.ent.ti.com (dfle109.ent.ti.com [10.64.6.30]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 06HNm9D0029922; Fri, 17 Jul 2020 18:48:09 -0500 Received: from DFLE106.ent.ti.com (10.64.6.27) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Fri, 17 Jul 2020 18:48:08 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE106.ent.ti.com (10.64.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Fri, 17 Jul 2020 18:48:08 -0500 Received: from lelv0597.itg.ti.com (lelv0597.itg.ti.com [10.181.64.32]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 06HNm8aX037476; Fri, 17 Jul 2020 18:48:08 -0500 Received: from localhost ([10.250.34.57]) by lelv0597.itg.ti.com (8.14.7/8.14.7) with ESMTP id 06HNm89T108280; Fri, 17 Jul 2020 18:48:08 -0500 From: Suman Anna To: Bjorn Andersson , Rob Herring , Mathieu Poirier CC: Lokesh Vutla , , , , , Suman Anna Subject: [PATCH v4 3/6] dt-bindings: remoteproc: Add common TI SCI rproc bindings Date: Fri, 17 Jul 2020 18:47:57 -0500 Message-ID: <20200717234800.9423-4-s-anna@ti.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200717234800.9423-1-s-anna@ti.com> References: <20200717234800.9423-1-s-anna@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Add a bindings document that lists the common TI SCI properties used by the K3 R5F and DSP remoteproc devices. Signed-off-by: Suman Anna Reviewed-by: Rob Herring --- v4: Addressed both of Rob's review comments on ti,sci-proc-ids property v3: https://patchwork.kernel.org/patch/11602317/ .../bindings/remoteproc/ti,k3-sci-proc.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/ti,k3-sci-proc.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/ti,k3-sci-proc.yaml b/Documentation/devicetree/bindings/remoteproc/ti,k3-sci-proc.yaml new file mode 100644 index 000000000000..0dca2ffdbc48 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/ti,k3-sci-proc.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/ti,k3-sci-proc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Common TI K3 remote processor device bindings + +maintainers: + - Suman Anna + +description: | + The TI K3 family of SoCs usually have one or more remote processor sub-systems + like the dual-core R5F sub-system or a C66x or C71x DSP processor subsystem. + The device management of these remote processors is managed by a dedicated + System Processor, and the communication with that processor is managed through + the TI-SCI protocol. + + Each remote processor device node should define a common set of properties + that allows the System Processor firmware to perform the device management + such as powering the IPs, asserting/deasserting the resets for each of these + processors. + +properties: + ti,sci: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Should be a phandle to the TI-SCI System Controller node + + ti,sci-dev-id: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Should contain the TI-SCI device id corresponding to the remote processor + core. Please refer to the corresponding System Controller documentation + for valid values. + + ti,sci-proc-ids: + description: Should contain a single tuple of . + $ref: /schemas/types.yaml#/definitions/uint32-array + items: + - description: TI-SCI processor id for the remote processor device + - description: TI-SCI host id to which processor control ownership + should be transferred to + +required: + - ti,sci + - ti,sci-dev-id + - ti,sci-proc-ids