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Tue, 7 Nov 2023 12:09:07 -0600 Received: from SATLEXMB03.amd.com (10.181.40.144) by SATLEXMB05.amd.com (10.181.40.146) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.32; Tue, 7 Nov 2023 12:09:07 -0600 Received: from xsjapps58.xilinx.com (10.180.168.240) by SATLEXMB03.amd.com (10.181.40.144) with Microsoft SMTP Server id 15.1.2507.32 via Frontend Transport; Tue, 7 Nov 2023 12:09:06 -0600 From: Kris Chaplin To: , , , , , CC: , , , Conor Dooley Subject: [PATCH v3 1/2] dt-bindings: w1: Add YAML DT schema for AMD AXI w1 host and MAINTAINERS entry Date: Tue, 7 Nov 2023 10:06:51 -0800 Message-ID: <20231107180814.615933-2-kris.chaplin@amd.com> X-Mailer: git-send-email 2.42.GIT In-Reply-To: <20231107180814.615933-1-kris.chaplin@amd.com> References: <20231107180814.615933-1-kris.chaplin@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BL6PEPF0001AB55:EE_|LV8PR12MB9263:EE_ X-MS-Office365-Filtering-Correlation-Id: efe517ae-26e8-47d7-0eb9-08dbdfbca39b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Nov 2023 18:09:09.4125 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: efe517ae-26e8-47d7-0eb9-08dbdfbca39b X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BL6PEPF0001AB55.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR12MB9263 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Tue, 07 Nov 2023 10:09:43 -0800 (PST) X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781929697398527725 X-GMAIL-MSGID: 1781929697398527725 Add YAML DT schema for the AMD AXI w1 host IP. This hardware guarantees protocol timing for driving off-board devices such as thermal sensors, proms, etc using the 1wire protocol. The IP has a register to detect hardware version and so the binding does not have an explict version number. Add MAINTAINERS entry for DT schema. Co-developed-by: Thomas Delev Signed-off-by: Thomas Delev Signed-off-by: Kris Chaplin Reviewed-by: Conor Dooley Acked-by: Rob Herring --- .../bindings/w1/amd,axi-1wire-host.yaml | 44 +++++++++++++++++++ MAINTAINERS | 7 +++ 2 files changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml diff --git a/Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml b/Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml new file mode 100644 index 000000000000..ef70fa2c0c5d --- /dev/null +++ b/Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml @@ -0,0 +1,44 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/w1/amd,axi-1wire-host.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: AMD AXI 1-wire bus host for programmable logic + +maintainers: + - Kris Chaplin + +properties: + compatible: + const: amd,axi-1wire-host + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + interrupts: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - interrupts + +additionalProperties: false + +examples: + - | + #include + + onewire@a0000000 { + compatible = "amd,axi-1wire-host"; + reg = <0xa0000000 0x10000>; + clocks = <&zynqmp_clk 0x47>; + interrupts = ; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 375b2c87d099..2b23febfaf72 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -891,6 +891,13 @@ Q: https://patchwork.kernel.org/project/linux-rdma/list/ F: drivers/infiniband/hw/efa/ F: include/uapi/rdma/efa-abi.h +AMD AXI W1 DRIVER +M: Kris Chaplin +R: Thomas Delev +R: Michal Simek +S: Maintained +F: Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml + AMD CDX BUS DRIVER M: Nipun Gupta M: Nikhil Agarwal