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Wed, 12 Feb 2020 05:26:49 +0100 From: Yuti Amonkar To: , , , , , , , , , , , , Subject: [PATCH v5 1/3] dt-bindings: drm/bridge: Document Cadence MHDP bridge bindings. Date: Wed, 12 Feb 2020 05:26:42 +0100 Message-ID: <1581481604-24499-2-git-send-email-yamonkar@cadence.com> X-Mailer: git-send-email 2.4.5 In-Reply-To: <1581481604-24499-1-git-send-email-yamonkar@cadence.com> References: <1581481604-24499-1-git-send-email-yamonkar@cadence.com> MIME-Version: 1.0 X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:199.43.4.28; IPV:CAL; SCL:-1; CTRY:US; EFV:NLI; SFV:NSPM; SFS:(10009020)(4636009)(396003)(376002)(136003)(346002)(39860400002)(36092001)(199004)(189003)(8676002)(6666004)(70206006)(316002)(36756003)(356004)(110136005)(8936002)(42186006)(478600001)(54906003)(2616005)(26005)(426003)(81156014)(70586007)(336012)(186003)(81166006)(86362001)(2906002)(5660300002)(107886003)(7416002)(4326008)(26826003)(921003)(21314003)(1121003)(83996005)(2101003); DIR:OUT; SFP:1101; SCL:1; SRVR:BN8PR07MB6132; H:rmmaillnx1.cadence.com; FPR:; SPF:Pass; LANG:en; PTR:InfoDomainNonexistent; A:1; MX:1; X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b0ecd2ad-656a-42a3-325e-08d7af73cd92 X-MS-TrafficTypeDiagnostic: BN8PR07MB6132: X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-Forefront-PRVS: 0311124FA9 X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-OriginatorOrg: cadence.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Feb 2020 04:26:59.9635 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b0ecd2ad-656a-42a3-325e-08d7af73cd92 X-MS-Exchange-CrossTenant-Id: d36035c5-6ce6-4662-a3dc-e762e61ae4c9 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=d36035c5-6ce6-4662-a3dc-e762e61ae4c9; Ip=[199.43.4.28]; Helo=[rmmaillnx1.cadence.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR07MB6132 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-02-11_07:2020-02-11, 2020-02-11 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_check_notspam policy=outbound_check score=0 bulkscore=0 malwarescore=0 phishscore=0 priorityscore=1501 impostorscore=0 mlxlogscore=999 clxscore=1015 mlxscore=0 suspectscore=0 adultscore=0 spamscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002120031 X-Mailman-Approved-At: Wed, 12 Feb 2020 08:25:13 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mparab@cadence.com, yamonkar@cadence.com, praneeth@ti.com, jsarha@ti.com, tomi.valkeinen@ti.com, sjakhade@cadence.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Document the bindings used for the Cadence MHDP DPI/DP bridge in yaml format. Signed-off-by: Yuti Amonkar Reviewed-by: Rob Herring Reviewed-by: Laurent Pinchart --- .../bindings/display/bridge/cdns,mhdp.yaml | 125 ++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml new file mode 100644 index 000000000000..e7f84ed1d2da --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml @@ -0,0 +1,125 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Cadence MHDP bridge + +maintainers: + - Swapnil Jakhade + - Yuti Amonkar + +properties: + compatible: + enum: + - cdns,mhdp8546 + - ti,j721e-mhdp8546 + + reg: + minItems: 1 + maxItems: 2 + items: + - description: + Register block of mhdptx apb registers upto PHY mapped area(AUX_CONFIG_P). + The AUX and PMA registers are mapped to associated phy driver. + - description: + Register block for DSS_EDP0_INTG_CFG_VP registers in case of TI J7 SoCs. + + reg-names: + minItems: 1 + maxItems: 2 + items: + - const: mhdptx + - const: j721e-intg + + clocks: + maxItems: 1 + description: + DP bridge clock, it's used by the IP to know how to translate a number of + clock cycles into a time (which is used to comply with DP standard timings + and delays). + + phys: + description: Phandle to the DisplyPort phy. + + ports: + type: object + description: + Ports as described in Documentation/devicetree/bindings/graph.txt + + properties: + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + port@0: + type: object + description: + input port representing the DP bridge input + + port@1: + type: object + description: + output port representing the DP bridge output. + + required: + - port@0 + - port@1 + - '#address-cells' + - '#size-cells' + +allOf: + - if: + properties: + compatible: + contains: + const: ti,j721e-mhdp8546 + then: + properties: + reg: + minItems: 2 + reg-names: + minItems: 2 + +required: + - compatible + - clocks + - reg + - reg-names + - phys + - ports + +additionalProperties: false + +examples: + - | + mhdp: dp-bridge@f0fb000000 { + compatible = "cdns,mhdp8546"; + reg = <0xf0 0xfb000000 0x0 0x1000000>; + reg-names = "mhdptx"; + clocks = <&mhdp_clock>; + phys = <&dp_phy>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dp_bridge_input: endpoint { + remote-endpoint = <&xxx_dpi_output>; + }; + }; + + port@1 { + reg = <1>; + dp_bridge_output: endpoint { + remote-endpoint = <&xxx_dp_connector_input>; + }; + }; + }; + }; +...