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Fri, 24 Apr 2020 10:36:11 -0700 Received: from [172.19.2.206] (helo=xsjblevinsk50.xilinx.com) by xsj-pvapsmtp01 with esmtp (Exim 4.63) (envelope-from ) id 1jS2FG-0006h9-W8; Fri, 24 Apr 2020 10:36:11 -0700 From: Ben Levinsky To: ohad@wizery.com, bjorn.andersson@linaro.org, michal.simek@xilinx.com, jollys@xilinx.com, rajan.vaja@xilinx.com, robh+dt@kernel.org, mark.rutland@arm.com Cc: linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jason Wu , Wendy Liang Subject: [PATCH v4 4/5] dt-bindings: remoteproc: Add documentation for ZynqMP R5 rproc bindings Date: Fri, 24 Apr 2020 10:36:09 -0700 Message-Id: <1587749770-15082-5-git-send-email-ben.levinsky@xilinx.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1587749770-15082-1-git-send-email-ben.levinsky@xilinx.com> References: <1587749770-15082-1-git-send-email-ben.levinsky@xilinx.com> X-RCIS-Action: ALLOW X-TM-AS-Product-Ver: IMSS-7.1.0.1224-8.2.0.1013-23620.005 X-TM-AS-User-Approved-Sender: Yes;Yes X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: CIP:149.199.60.83;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:xsj-pvapsmtpgw01;PTR:unknown-60-83.xilinx.com;CAT:NONE;SFTY:;SFS:(10009020)(4636009)(136003)(39860400002)(346002)(376002)(396003)(46966005)(478600001)(2616005)(70586007)(82740400003)(54906003)(336012)(316002)(70206006)(186003)(5660300002)(47076004)(26005)(7696005)(107886003)(81166007)(9786002)(44832011)(356005)(426003)(4326008)(81156014)(2906002)(36756003)(8936002)(82310400002)(8676002);DIR:OUT;SFP:1101; MIME-Version: 1.0 Content-Type: text/plain X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 4705532b-738b-4dff-eed3-08d7e876015e X-MS-TrafficTypeDiagnostic: CH2PR02MB6648: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:9508; X-Forefront-PRVS: 03838E948C X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 24 Apr 2020 17:36:22.2878 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4705532b-738b-4dff-eed3-08d7e876015e X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.60.83];Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR02MB6648 Sender: linux-remoteproc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Add binding for ZynqMP R5 OpenAMP. Represent the RPU domain resources in one device node. Each RPU processor is a subnode of the top RPU domain node. Signed-off-by: Ben Levinsky Signed-off-by: Jason Wu Signed-off-by: Wendy Liang Signed-off-by: Michal Simek --- Changes since v2: - update zynqmp_r5 yaml parsing to not raise warnings for extra information in children of R5 node. The warning "node has a unit name, but no reg or ranges property" will still be raised though as this particular node is needed to describe the '#address-cells' and '#size-cells' information. Changes since 3: - remove warning '/example-0/rpu@ff9a0000/r5@0: node has a unit name, but no reg or ranges property' by adding reg to r5 node. --- .../remoteproc/xilinx,zynqmp-r5-remoteproc.yaml | 127 +++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/xilinx,zynqmp-r5-remoteproc.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/xilinx,zynqmp-r5-remoteproc.yaml b/Documentation/devicetree/bindings/remoteproc/xilinx,zynqmp-r5-remoteproc.yaml new file mode 100644 index 0000000..41520b6 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/xilinx,zynqmp-r5-remoteproc.yaml @@ -0,0 +1,127 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/remoteproc/xilinx,zynqmp-r5-remoteproc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Xilinx R5 remote processor controller bindings + +description: + This document defines the binding for the remoteproc component that loads and + boots firmwares on the Xilinx Zynqmp and Versal family chipset. + +maintainers: + - Ed Mooring + - Ben Levinsky + +properties: + compatible: + const: "xlnx,zynqmp-r5-remoteproc-1.0" + + core_conf: + description: + R5 core configuration (valid string - split or lock-step) + maxItems: 1 + + interrupts: + description: + Interrupt mapping for remoteproc IPI. It is required if the + user uses the remoteproc driver with the RPMsg kernel driver. + maxItems: 6 + + memory-region: + maxItems: 4 + minItems: 4 + pnode-id: + maxItems: 1 + mboxes: + maxItems: 2 + mbox-names: + maxItems: 2 + + r5@0: + type: object + required: + - '#address-cells' + - '#size-cells' + - pnode-id +examples: + - | + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + rpu0vdev0vring0: rpu0vdev0vring0@3ed40000 { + no-map; + reg = <0x3ed40000 0x4000>; + }; + rpu0vdev0vring1: rpu0vdev0vring1@3ed44000 { + no-map; + reg = <0x3ed44000 0x4000>; + }; + rpu0vdev0buffer: rpu0vdev0buffer@3ed48000 { + no-map; + reg = <0x3ed48000 0x100000>; + }; + rproc_0_reserved: rproc@3ed000000 { + no-map; + reg = <0x3ed00000 0x40000>; + }; + }; + rpu: rpu@ff9a0000 { + compatible = "xlnx,zynqmp-r5-remoteproc-1.0"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + core_conf = "split"; + reg = <0xFF9A0000 0x10000>; + r5_0: r5@0 { + ranges; + #address-cells = <1>; + #size-cells = <1>; + reg = <0xFF9A0100 0x1000>; + memory-region = <&rproc_0_reserved>, <&rpu0vdev0buffer>, <&rpu0vdev0vring0>, <&rpu0vdev0vring1>; + pnode-id = <0x7>; + mboxes = <&ipi_mailbox_rpu0 0>, <&ipi_mailbox_rpu0 1>; + mbox-names = "tx", "rx"; + tcm_0_a: tcm_0@0 { + #address-cells = <1>; + #size-cells = <1>; + reg = <0xFFE00000 0x10000>; + pnode-id = <0xf>; + }; + tcm_0_b: tcm_0@1 { + #address-cells = <2>; + #size-cells = <2>; + reg = <0xFFE20000 0x10000>; + pnode-id = <0x10>; + }; + }; + }; + + + zynqmp_ipi1 { + compatible = "xlnx,zynqmp-ipi-mailbox"; + interrupt-parent = <&gic>; + interrupts = <0 29 4>; + xlnx,ipi-id = <7>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + /* APU<->RPU0 IPI mailbox controller */ + ipi_mailbox_rpu0: mailbox@ff90000 { + reg = <0xff990600 0x20>, + <0xff990620 0x20>, + <0xff9900c0 0x20>, + <0xff9900e0 0x20>; + reg-names = "local_request_region", + "local_response_region", + "remote_request_region", + "remote_response_region"; + #mbox-cells = <1>; + xlnx,ipi-id = <1>; + }; + }; + +... -- 2.7.4